CN104701599A - Antenna and mobile terminal adopting same - Google Patents
Antenna and mobile terminal adopting same Download PDFInfo
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- CN104701599A CN104701599A CN201310662841.4A CN201310662841A CN104701599A CN 104701599 A CN104701599 A CN 104701599A CN 201310662841 A CN201310662841 A CN 201310662841A CN 104701599 A CN104701599 A CN 104701599A
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- edge frame
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Abstract
The invention discloses an antenna and a mobile terminal adopting the same. The antenna comprises a closed metal frame arranged on the lateral side of a shell of the mobile terminal, and a metal radiation piece, two grounding points are arranged on the closed metal frame and connected to a grounding end of the mobile terminal through corresponding connecting wires respectively, and a first frame portion between the grounding points, the connecting wires and the grounding end form a closed loop to form a closed groove antenna so as to generate resonance to cover certain frequency bands; at the same time, the metal radiation piece serving as a planar radiation unit and a corresponding connecting wire jointly form a PIFA antenna so as to generate resonance to cover certain other frequency bands, in this way, a whole antenna device can cover multiple frequency bands; the metal frame is closed, and a fracture does not need to be arranged, so that strength of the metal frame is enhanced, and strength and attractiveness of the mobile terminal are improved.
Description
Technical field
The application relates to wireless telecommunications system technical field, particularly relates to a kind of antenna and applies the mobile terminal of this antenna.
Background technology
The metal edge frame of mobile terminal can increase intensity and the aesthetics of mobile terminal, but metal edge frame can have a strong impact on the radiance of the traditional antenna on mobile terminal, causes radiofrequency signal effectively not radiate.
At present, existing using the application case of metal edge frame as the antenna of mobile terminal, such as, apple Iphone mobile phone adopts metal edge frame as antenna innovatively, but in order to the frequency range meeting antenna covers and emission requirements, the metal edge frame antenna of Iphone must be open circuit, namely metal edge frame must have fracture, thus greatly have impact on intensity and the aesthetics of metal edge frame.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of antenna and applies the mobile terminal of this antenna, different frequency range can be covered with the antenna that the mode realizing using closed metal edge frame and radiation fin to combine obtains, and closed metal edge frame can strengthen the intensity of mobile terminal greatly, technical scheme is as follows:
A kind of antenna, be applied to the mobile terminal with metal edge frame, described metal edge frame is closed metal edge frame; Described antenna comprises: described closed metal edge frame and metal radiation sheet, wherein:
First limit of described closed metal edge frame is provided with the first earth point, and described first earth point connects the earth terminal of mobile terminal by the first connecting line;
The Second Edge of described closed metal edge frame is provided with the second earth point, and described second earth point connects the earth terminal of mobile terminal by the second connecting line;
First frame of the described closed metal edge frame between described first earth point and the second earth point, described first connecting line, described second connecting line and described earth terminal form closed-loop path;
Described closed metal edge frame connects the signal end for receiving or send radiofrequency signal by the 3rd connecting line;
Described metal radiation sheet connects described signal end by the 4th connecting line, and described metal radiation sheet connects the earth terminal of described mobile terminal by the 5th connecting line.
Preferably, described closed metal edge frame is specially rectangle; Described first limit comprises the first long limit of described closed metal edge frame; Described first earth point is positioned on described first long limit, near the position of the first minor face of described closed metal edge frame;
Described Second Edge comprises the second long limit that is relative with described first long limit, described closed metal edge frame; Described second earth point is positioned on described second long limit, near the position of described first minor face.
Preferably, described first minor face connects described signal end by the 3rd connecting line.
Preferably, described metal radiation sheet is arranged on described first long limit, and between described first minor face and described first earth point.
Preferably, described 3rd connecting line and described 4th connecting line are the same metalwork with kink, described one end with the metalwork of kink connects described closed metal edge frame, and the other end connects described metal radiation sheet, and kink connects described signal end.
Preferably, one end of described 3rd connecting line connects described closed metal edge frame, and the other end connects described signal end;
One end of described 4th connecting line connects described metal radiation sheet, and the other end connects the junction of described 3rd connecting line and described signal end.
A kind of mobile terminal, comprises the antenna described in above any one.
From above technical scheme, the antenna that the application provides comprises the closed metal edge frame of the shell side being arranged on mobile terminal, and metal radiation sheet, closed metal edge frame is provided with two earth points, be connected to the earth terminal of mobile terminal respectively by corresponding connecting line, the first frame between two earth points and above-mentioned connecting line and earth terminal form closed-loop path, form a closed slots antenna, thus generation resonance, cover some frequency range; Simultaneously, described metal radiation sheet, as planar radiating element, forms PIFA antenna jointly with corresponding connecting line, thus produces resonance, cover some other frequency range, so, whole antenna assembly can cover multiple frequency range, and metal edge frame is closed, without the need to arranging fracture, enhance the intensity of metal edge frame, thus add intensity and the aesthetics of the mobile terminal applying described antenna, solve the problem of prior art.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of plane structure chart being applied to the antenna of the mobile terminal with metal edge frame that Fig. 1 provides for the embodiment of the present application;
Fig. 2 is applied to the plane structure chart of the antenna of the mobile terminal with metal edge frame for another kind that the embodiment of the present application provides;
A kind of three-dimensional structure diagram being applied to the antenna of the mobile terminal with metal edge frame that Fig. 3 provides for the embodiment of the present application;
Fig. 4 carries out the graph of relation that frequency and the return loss obtained is tested in return loss for the antenna provided the embodiment of the present application;
Fig. 5 carries out the frequency obtained of efficiency test and the graph of relation of signal transmitting and receiving efficiency for the antenna provided the embodiment of the present application.
Embodiment
The embodiment of the present application provides a kind of antenna and applies the mobile terminal of this antenna, different frequency range can be covered with the antenna that the mode realizing using closed metal edge frame and radiation fin to combine obtains, and closed metal edge frame can strengthen the intensity of mobile terminal greatly.
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Fig. 1 shows a kind of plane structure chart being applied to the antenna of the mobile terminal with metal edge frame that the embodiment of the present application provides.Concrete, described metal edge frame is arranged on the shell side of mobile terminal, closed metal edge frame 1, namely seamless on metal edge frame, without fracture, ensure that intensity and the aesthetics of mobile terminal frame.
Described antenna comprises: closed metal edge frame 1 and metal radiation sheet 4.
Wherein: metal radiation sheet 4 is as a planar radiating element, the signal end of described mobile terminal is connected by the 4th connecting line, and metal radiation sheet 4 connects the earth terminal of described mobile terminal by the 5th connecting line, form PIFA antenna (i.e. Planar Inverted-F Antenna, planar inverted-F antenna).
The harmonic wave produced during above-mentioned PIFA antenna generation resonance covers a frequency range in communication of mobile terminal frequency range, and by described signal end sending/receiving radiofrequency signal.
First limit of closed metal edge frame 1 is provided with the first earth point, and described first earth point connects the earth terminal of mobile terminal by the first connecting line 101.The Second Edge of closed metal edge frame 1 is provided with the second earth point, and described second earth point connects the earth terminal of mobile terminal by the second connecting line 102; With above-mentioned first earth point and the second earth point for separation, closed metal edge frame 1 is divided into two frames, i.e. the first frame (the heavy line part in the closed metal edge frame 1 shown in Fig. 1) and the second frame.Wherein, the first frame and the first connecting line 101, second connecting line 102 and described earth terminal form closed-loop path, as shown in heavy line whole in Fig. 1; Meanwhile, closed metal edge frame 1 connects the signal end of described mobile terminal by the 3rd connecting line.Receive or send the signal end of radiofrequency signal.
Above-mentioned closed-loop path forms a closed slots antenna, and when resonance occurs for it, the harmonic wave that produces can cover in communication of mobile terminal frequency range and be different from another frequency range that above-mentioned PIFA antenna institute covers frequency range, and send/receive radiofrequency signal by described signal end.
Two frequency ranges that above-mentioned PIFA antenna and closed slots antenna cover together constitute the communications band of described mobile terminal, ensure that the frequency range that the covering of this antenna is wider.
From said structure, the antenna that the embodiment of the present application provides comprises the closed metal edge frame of the shell side being arranged on mobile terminal, and metal radiation sheet, closed metal edge frame is provided with two earth points, be connected to the earth terminal of mobile terminal respectively by corresponding connecting line, the first frame between two earth points and above-mentioned connecting line and earth terminal form closed-loop path, form a closed slots antenna, thus generation resonance, cover some frequency range; Simultaneously, described metal radiation sheet, as planar radiating element, forms PIFA antenna jointly with corresponding connecting line, thus produces resonance, cover some other frequency range, so, whole antenna assembly can cover multiple frequency range, and metal edge frame is closed, without the need to arranging fracture, enhance the intensity of metal edge frame, thus add intensity and the aesthetics of the mobile terminal applying described antenna, solve the problem of prior art.
Preferably, with reference to Fig. 2, the closed metal edge frame of described mobile terminal is rectangle, comprises two long limits and two minor faces, i.e. the first long limit 11, the relative with the first long limit 11 second long limit 12, first minor face 13 and the second minor face 14.First minor face 13 is connected to the signal end of mobile terminal by the 3rd connecting line; With on the first long limit 11, near the first minor face 13 be a bit the first earth point, be connected to the earth terminal of mobile terminal by the first connecting line 101; Meanwhile, with on the second long limit 12, near the first minor face 13 be a bit the second earth point, be connected to described earth terminal by the second connecting line 102.That is: the part on the part on the first long limit 11 between the tie point of the first long limit 11 and the first minor face 13 and the first earth point, the first minor face 13 and the second long limit 12 between the tie point of the second long limit 12 and the first minor face 13 and the second earth point forms the first frame; And then this first frame and the first connecting line 101, second connecting line 102 and described earth terminal form slot antenna, and by the radiofrequency signal of described signal end sending/receiving corresponding frequencies.
For hand-held class portable mobile terminal, as mobile phone etc., user's hand-holding part is generally the bottom of this mobile terminal, namely the part that in the right part of Fig. 2, closed metal edge frame, fine line is corresponding, accordingly, slot antenna is positioned at the top of this mobile terminal, thus reduces the impact held antenna performance.
In addition, the resonance frequency of above-mentioned slot antenna is relevant with the length of the first frame, therefore according to the difference of mobile terminal communication frequency used, the position of choose reasonable first earth point and the second earth point, to meet different application demands.
Further, as shown in Figure 2, metal radiation sheet 4 is arranged on the first long limit 11, and between the first minor face 13 and described first earth point.Certainly, metal radiation sheet 4 also can be arranged on the second long limit 12, and between the first minor face and described second earth point.Said structure makes metal radiation sheet 4 be positioned at slot antenna region, and the locus in Appropriate application mobile terminal, reduces the area occupied of antenna.
In the embodiment of the present application, for the signal of all frequency ranges, all carry out transmission and reception by unique signal end, for simplifying processing, Making programme, above-mentioned 3rd connecting line and the 4th connecting line are connected to this signal end altogether by a common port; As: as described in one end of the 3rd connecting line connect as described in closed metal edge frame, the other end connects described signal end; One end of described 4th connecting line connects described metal radiation sheet, and the other end connects the junction of described 3rd connecting line and described signal end.Another preferred embodiment that the application provides as shown in Figure 3.
Fig. 3 shows the three-dimensional structure diagram being applied to the antenna of the mobile terminal with metal edge frame that another embodiment of the application provides.Concrete, described metal edge frame is arranged on the shell side of mobile terminal, closed metal edge frame 1, and described mobile terminal provides earth potential by floor 3.Described antenna comprises: closed metal edge frame 1 and metal radiation sheet 4.
Closed metal edge frame 1 is rectangle, and its first long limit 11 is provided with the first earth point, and described first earth point connects floor 3 by the first connecting line 101; Its second long limit 12 is provided with the second earth point, and described second earth point connects floor 3 by the second connecting line 102.Metal radiation sheet 4 connects floor 3 by the 5th connecting line 401.
Closed metal edge frame 1 is connected the signal end 5 with mobile terminal with metal radiation sheet 4 respectively by the metalwork 6 that has kink.Concrete, with described kink for boundary, the metalwork 6 with kink is divided into two parts, and a part, as the 3rd connecting line 103, realizes closed metal edge frame 1 and the connection of signal end 5; Another part, as the 4th connecting line 402, realizes the connection of metal radiation sheet 4 and described signal end, and described kink, as the common port of the 3rd connecting line 103 and the 4th connecting line 402, realizes the connection with signal end 5.
In said structure, the 3rd connecting line 103 and the 4th connecting line 402 are combined as an entirety, have the metalwork 6 of kink namely, simplify processing, Making programme, improve the reliability that each contact connects.
More specifically, the first connecting line in the embodiment of the present application, the second connecting line, the 3rd connecting line, the 4th connecting line, the 5th connecting line, have the metalwork of kink, all can adopt the sheet metal of one fixed width namely, to ensure reliable connection; And for the PIFA antenna that metal radiation sheet is formed, existing for thinner metal wire, the 4th connecting line and the 5th connecting line adopt the sheet metal of one fixed width, can also increase distributed capacitance and reduce distributed inductance, thus increasing the PIFA beamwidth of antenna.
Test result below by return loss test and efficiency test is described the performance of antenna described in the embodiment of the present application.
Fig. 4 shows and carry out the frequency obtained of return loss test and the graph of relation of return loss (unit: dB) to antenna described in the embodiment of the present application between 600MHz ~ 3GHz; The coordinate choosing 4 main test points in curve chart is respectively S1(1.5750000GHz ,-11.800dB), S2(2.4000000GHz ,-7.8828dB), S3(2.5000000GHz ,-17.782dB).Can find out, the GPS frequency range of antenna cover 1.575GHz described in the embodiment of the present application and the WIFI frequency range of 2.4GHz.In practical application, by increasing some metal minor matters, can make the frequency that above-mentioned antenna cover three is frequently above, this is included in spirit of the present invention.
Fig. 5 shows and carries out the frequency obtained of efficiency test and the graph of relation of signal transmitting and receiving efficiency to antenna described in the embodiment of the present application, and can find out, this antenna has good radiance in covered frequency range.
In addition, the embodiment of the present application additionally provides a kind of mobile terminal, and this mobile terminal is provided with the antenna described in above-mentioned any embodiment.The metal edge frame of this mobile terminal adopts closed metal edge frame, as a part for antenna; Closed metal edge frame is provided with two earth points, be connected to the earth terminal of mobile terminal respectively by corresponding connecting line, the first frame between two earth points and above-mentioned connecting line and earth terminal form closed-loop path, form a closed slots antenna, thus generation resonance, cover some frequency range; Simultaneously, using a metal radiation sheet as planar radiating element, form PIFA antenna with corresponding connecting line, thus produce resonance, cover some other frequency range, so, whole antenna assembly can cover multiple frequency range, and metal edge frame is closed, without the need to arranging fracture, enhance the intensity of metal edge frame, thus add intensity and the aesthetics of described mobile terminal, solve the problem of prior art.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection range of the application.
Claims (7)
1. an antenna, is applied to the mobile terminal with metal edge frame, it is characterized in that, described metal edge frame is closed metal edge frame; Described antenna comprises: described closed metal edge frame and metal radiation sheet, wherein:
First limit of described closed metal edge frame is provided with the first earth point, and described first earth point connects the earth terminal of mobile terminal by the first connecting line;
The Second Edge of described closed metal edge frame is provided with the second earth point, and described second earth point connects the earth terminal of mobile terminal by the second connecting line;
First frame of the described closed metal edge frame between described first earth point and the second earth point, described first connecting line, described second connecting line and described earth terminal form closed-loop path;
Described closed metal edge frame connects the signal end for receiving or send radiofrequency signal by the 3rd connecting line;
Described metal radiation sheet connects described signal end by the 4th connecting line, and described metal radiation sheet connects the earth terminal of described mobile terminal by the 5th connecting line.
2. antenna according to claim 1, is characterized in that, described closed metal edge frame is specially rectangle; Described first limit comprises the first long limit of described closed metal edge frame; Described first earth point is positioned on described first long limit, near the position of the first minor face of described closed metal edge frame;
Described Second Edge comprises the second long limit that is relative with described first long limit, described closed metal edge frame; Described second earth point is positioned on described second long limit, near the position of described first minor face.
3. antenna according to claim 2, is characterized in that, described first minor face connects described signal end by the 3rd connecting line.
4. antenna according to claim 2, is characterized in that, described metal radiation sheet is arranged on described first long limit, and between described first minor face and described first earth point.
5. the antenna according to any one of claim 1-4, it is characterized in that, described 3rd connecting line and described 4th connecting line are the same metalwork with kink, described one end with the metalwork of kink connects described closed metal edge frame, the other end connects described metal radiation sheet, and kink connects described signal end.
6. the antenna according to any one of claim 1-4, is characterized in that, one end of described 3rd connecting line connects described closed metal edge frame, and the other end connects described signal end;
One end of described 4th connecting line connects described metal radiation sheet, and the other end connects the junction of described 3rd connecting line and described signal end.
7. a mobile terminal, is characterized in that, comprises the antenna described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662841.4A CN104701599B (en) | 2013-12-09 | 2013-12-09 | The mobile terminal of antenna and the application antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662841.4A CN104701599B (en) | 2013-12-09 | 2013-12-09 | The mobile terminal of antenna and the application antenna |
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| CN104701599A true CN104701599A (en) | 2015-06-10 |
| CN104701599B CN104701599B (en) | 2017-09-22 |
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| CN105186094A (en) * | 2015-09-28 | 2015-12-23 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
| CN106785347A (en) * | 2016-07-29 | 2017-05-31 | 乐视控股（北京）有限公司 | The antenna structure and mobile terminal of mobile terminal |
| CN111029730A (en) * | 2019-12-26 | 2020-04-17 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN111430892A (en) * | 2020-03-16 | 2020-07-17 | 宇龙计算机通信科技(深圳)有限公司 | 5G WIFI antenna and electronic terminal equipment |
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| CN103311665A (en) * | 2013-06-09 | 2013-09-18 | 上海安费诺永亿通讯电子有限公司 | Antenna system applicable to mobile terminals with metal frame structures |
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| WO2012144197A1 (en) * | 2011-04-22 | 2012-10-26 | パナソニック株式会社 | Portable wireless terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105186094A (en) * | 2015-09-28 | 2015-12-23 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
| CN105186094B (en) * | 2015-09-28 | 2019-05-14 | 宇龙计算机通信科技(深圳)有限公司 | Antenna system and mobile terminal |
| CN106785347A (en) * | 2016-07-29 | 2017-05-31 | 乐视控股（北京）有限公司 | The antenna structure and mobile terminal of mobile terminal |
| CN111029730A (en) * | 2019-12-26 | 2020-04-17 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN111029730B (en) * | 2019-12-26 | 2021-09-28 | 惠州Tcl移动通信有限公司 | Antenna structure and mobile terminal |
| CN111430892A (en) * | 2020-03-16 | 2020-07-17 | 宇龙计算机通信科技(深圳)有限公司 | 5G WIFI antenna and electronic terminal equipment |
| CN111430892B (en) * | 2020-03-16 | 2022-10-21 | 宇龙计算机通信科技(深圳)有限公司 | 5G WIFI antenna and electronic terminal equipment |
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|---|---|
| CN104701599B (en) | 2017-09-22 |
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