CN205039250U - Antenna device and have this antenna device's mobile terminal - Google Patents
Antenna device and have this antenna device's mobile terminal Download PDFInfo
- Publication number
- CN205039250U CN205039250U CN201520540164.3U CN201520540164U CN205039250U CN 205039250 U CN205039250 U CN 205039250U CN 201520540164 U CN201520540164 U CN 201520540164U CN 205039250 U CN205039250 U CN 205039250U
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Abstract
The utility model provides an antenna device, antenna device includes the metal frame, and this metal frame is including relative first end and the second end that sets up, this first end one end is extended and is formed a low frequency radiation portion, and the other end extends and forms a relative high frequency radiation portion that sets up with this low frequency radiation portion, this low frequency radiation portion is used for being connected to a low frequency circuit and is used for being connected to a high frequency electric way with receiving and dispatching high frequency signal with receiving and dispatching low frequency signals, this high frequency radiation portion, the metal frame is a mobile terminal's frame. The utility model provides a mobile terminal.
Description
Technical field
The utility model relates to a kind of antenna assembly and has the mobile terminal of this antenna assembly.
Background technology
Along with the development of mobile terminal, mobile terminal more and more adopts metal shell.But metal shell can cause certain influence to the radiance of mobile terminal antenna.In order to ensure the performance of antenna, often need larger headroom district designing antenna, along with mobile terminal is more prone to thin design, this can increase the difficulty of Antenna Design undoubtedly.
Utility model content
The purpose of this utility model is to provide a kind of antenna assembly that can effectively reduce size of mobile terminals.The utility model also provides a kind of mobile terminal with described antenna assembly.
A kind of antenna assembly, described antenna assembly comprises metal edge frame, and this metal edge frame comprises the first end and the second end that are oppositely arranged; This first end one end extends to form a low frequency radiation portion, and the other end extends to form a high-frequency radiation part be oppositely arranged with this low frequency radiation portion; This low frequency radiation portion is used for being connected to a low-frequency channel to receive and dispatch low frequency signal, and this high-frequency radiation part is used for being connected to a high-frequency circuit to receive and dispatch high-frequency signal.
Wherein, described low frequency radiation portion is an inverse-F antenna (Inverted-FAntenna, IFA), and described high-frequency radiation part is a slot antenna.
Wherein, this low frequency radiation portion is roughly L-shaped, and it comprises mutual grounding arm connected vertically and feed arm; This grounding arm is extended by the ending vertical of this first end and forms, this feed arm and this first end interval and arranged in parallel; The junction grounding of this grounding arm and this first end, this feed arm is electrically connected to described low-frequency channel.
Wherein, described feed arm comprises spaced first distributing point and the second distributing point; Described antenna assembly also comprises diverter switch, and this diverter switch comprises link, the first switch terminal and the second switch terminal; This link is electrically connected to described low-frequency channel, and this first switch terminal and the second switch terminal are electrical to the first distributing point and the second distributing point respectively; This diverter switch is used for selectively connecting the first switch terminal or the second switch terminal to link, thus selectively described low-frequency channel is connected to described first distributing point or the second distributing point.
Wherein, described high-frequency radiation part is roughly in " U " shape, and it comprises the first radiation arm, the second radiation arm and the 3rd radiation arm that connect successively; Described first radiation arm is formed by the side extension of this first end away from this second end; Described first radiation arm and the 3rd radiation arm are all vertically connected at the second radiation arm, and are positioned at the same side of the second radiation arm.
Wherein, described antenna assembly also comprises an electric capacity, and this electric capacity is used for being electrically connected between the 3rd radiant body and this high-frequency circuit, with to this high-frequency radiation part feed.
Wherein, described antenna assembly also comprises a sheet metal, and the contiguous and interval of this sheet metal and the 3rd radiant body is arranged, and this sheet metal is used for being electrically connected to this high-frequency circuit, with to this high-frequency radiation part couple feed.
The utility model also provides a kind of mobile terminal, and comprise circuit board and described antenna assembly, this high-frequency circuit and low-frequency channel are all arranged on this circuit board.
Wherein, described mobile terminal also comprises metal back cover, the first cosmetic sheet and the second device sheet, this metal back cover and this metal edge frame one-body molded and jointly surround one first fitting recess and one second fitting recess with this metal edge frame; Described first fitting recess and the second fitting recess are respectively adjacent to first end and the second end setting of metal edge frame; This first cosmetic sheet and the second cosmetic sheet all adopt non-conductive material to make, and are contained in respectively in described first fitting recess and the second fitting recess.
Wherein, described mobile terminal also comprises nonmetal bonnet and display screen module, and this nonmetal bonnet is made up of glass or ceramic material, and this nonmetal bonnet is arranged at the relative both sides of this metal edge frame respectively with this display screen module.
Antenna assembly described in the utility model directly utilizes the metal edge frame of mobile terminal as antenna, without the need to additional designs antenna, not only effectively reduce the overall dimensions of mobile terminal, the radiance of metal edge frame to the antenna of additional designs also can be avoided to have an impact.Meanwhile, described antenna assembly also can receive and dispatch high-frequency signal and low frequency signal, and the frequency range of covering is wider.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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, accompanying drawing in the following describes is only embodiments more of the present utility model, 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.
Fig. 1 is the schematic diagram of the antenna assembly of the utility model first better embodiment.
Fig. 2 is the schematic diagram of the antenna assembly of the utility model second better embodiment.
Fig. 3 is the schematic cross-section of the mobile terminal of the utility model first better embodiment.
Fig. 4 is the schematic cross-section of the mobile terminal of the utility model second better embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of antenna assembly 100 that the utility model embodiment provides, can be applicable to the mobile terminal such as mobile phone, panel computer.In the present embodiment, to be applied to mobile phone, set forth the beneficial effects of the utility model.
Described antenna assembly 100 comprises metal edge frame 10, and this metal 10 comprises first end 11, the second end 13 and receiving space 15.First end 11 and the second end 13 are oppositely arranged, and are arranged at the relative both sides of receiving space 15 respectively.Receiving space 15 is for accommodating a mainboard 20.This mainboard 20 is provided with low-frequency channel 21 and high-frequency circuit 23.High-frequency circuit 21 and low-frequency channel 23 can be arranged respectively, also can be integrated in same radio frequency chip.One end of first end 11 extends to form a low frequency radiation portion 111, and the other end extends to form a high-frequency radiation part 113 be oppositely arranged with low frequency radiation portion 111.Low frequency radiation portion 111 is electrically connected to low-frequency channel 21 to receive and dispatch low frequency signal, and high-frequency radiation part 113 is for being connected to high-frequency circuit 23 to receive and dispatch high-frequency signal.
Low frequency radiation portion 111 is roughly L-shaped, and it comprises mutual grounding arm connected vertically 1111 and feed arm 1112; Grounding arm 1111 is extended by the ending vertical of first end 11 and forms, feed arm 1112 and first end 11 interval and arranged in parallel; The junction grounding of grounding arm 1111 and first end 11, feed arm 1112 is electrically connected to low-frequency channel 21.Such as, feed arm 1112 is electrically connected to low-frequency channel 21 by wire, shell fragment or other feeder equipments, thus makes feed arm 1112, grounding arm 1111 and this feeder equipment jointly form an inverse-F antenna (Inverted-FAntenna, IFA).One first gap 1113 is formed between feed arm 1112 and first end 11.One USB connector (not shown) can be arranged in this gap, or to be arranged at above this first gap 1113 and to be oppositely arranged with this first gap 1113.
In the present embodiment, antenna assembly 100 also comprises diverter switch S, the first feed line 1114, second feed line 1115.Feed arm 1112 comprises spaced first distributing point A and the second distributing point B.This diverter switch S comprises link 1, first switch terminal 2 and the second switch terminal 3.Link 1 is electrically connected to low-frequency channel 21; First switch terminal 2 is electrically connected to the first distributing point A by the first feed line 1114; Second switch terminal 3 is electrically connected to the second distributing point B by the second feed line 1115.This diverter switch S can be controlled by a controller, or be directly controlled by this low-frequency channel 21, and be optionally electrically connected the first switch terminal 2 or the second switch terminal 3 to link 1, thus selectively low-frequency channel 21 is electrically connected to the first distributing point A or the second distributing point B, so, by the switching of diverter switch S, the feed placement in low frequency radiation portion 111 can be adjusted, to change the low-frequency resonant frequency in low frequency radiation portion 111, increase low frequency bandwidth with this.
High-frequency radiation part 113 is one roughly in the slot antenna of " U " shape, and it comprises the first radiation arm 1131, second radiation arm 1132 and the 3rd radiation arm 1133 that connect successively.First radiation arm 1131 is formed by the side extension of first end 11 away from the second end 13.First radiation arm 1131 is all vertical with the 3rd radiation arm 1133 or be substantially vertically connected to the second radiation arm 1132, and is positioned at the same side of the second radiation arm 1132.One second gap 1134 is formed between first radiation arm 1131 and the 3rd radiation arm 1133.In the present embodiment, the width in the second gap 1134, that is, the distance between the first radiation arm 1131 and the 3rd radiation arm 1133 is roughly 2mm.The end of the 3rd radiation arm 1133 and the space from end of feed arm 1112 are arranged, and mutually aim at.That is, the 3rd radiation arm 1133 is positioned at same straight line with feed arm 1112.
In the present embodiment, antenna assembly 100 also comprises an electric capacity C.Electric capacity C is electrically connected between the 3rd radiation arm 1133 and high-frequency circuit 23, and high-frequency circuit 23 passes through this electric capacity C to high-frequency radiation part 113 feed.
Antenna assembly 100 in use, after the current signal feed-in feed arm 1112 that low-frequency channel 21 exports, makes low frequency radiation portion 111 inspire low-frequency resonant mode to receive and dispatch low frequency signal; After current signal feed-in the 3rd radiation arm 1133 that high-frequency circuit 23 exports, high-frequency radiation part 113 is made to inspire high-frequency resonant mode to receive and dispatch high-frequency signal.Further, by the switching of diverter switch S, the resonance frequency of the low-frequency resonant mode that adjustment low frequency radiation portion 111 can be made to excite, thus effectively widen low frequency bandwidth.
Refer to Fig. 2, in the utility model second better embodiment, the electric capacity C of antenna assembly 100 is replaced by sheet metal 1135, and correspondingly, the feeding classification of high-frequency radiation part 113 is replaced by couple feed.That is, the contiguous and interval of sheet metal 1135 and the 3rd radiant body 1133 is arranged, and sheet metal 1135 is electrically connected to high-frequency circuit 23, with to this high-frequency radiation part 113 couple feed.
Antenna assembly 100 described in the utility model directly utilizes the metal edge frame 10 of mobile terminal as antenna, without the need to additional designs antenna, not only effectively reduce the overall dimensions of mobile terminal, the radiance of the antenna of metal edge frame 10 pairs of additional designs also can be avoided to have an impact.Meanwhile, described antenna assembly 100 also can receive and dispatch high-frequency signal and low frequency signal, and the frequency range of covering is wider.
Refer to Fig. 3, the utility model also provides a kind of mobile terminal 200.Mobile terminal 200 comprises antenna assembly 100 described in above execution mode and mainboard 20.The mobile terminal 200 of the utility model first better embodiment also comprises display screen module 30, metal back cover 40, first cosmetic sheet 50 and the second cosmetic sheet 60.In the present embodiment, metal back cover 40 is one-body molded and jointly surround one first fitting recess 41 with metal edge frame 10 and with the second fitting recess 42 with metal edge frame 10.First fitting recess 41 and the second fitting recess 42 are respectively adjacent to the first end 11 of metal edge frame 10 and the second end 13 is arranged.First cosmetic sheet 50 and the second cosmetic sheet 60 can be contained in the first fitting recess 41 and the second fitting recess 42 respectively.In the present embodiment, the first cosmetic sheet 50 and the second cosmetic sheet 60 all adopt non-conductive material to make, the materials such as such as plastic cement, glass or pottery.Display screen module 30 is arranged at the side that metal edge frame 10 deviates from metal back cover 40.
Refer to Fig. 4, the mobile terminal 300 of the utility model second better embodiment comprises antenna assembly 100 described in above execution mode and mainboard 20.Mobile terminal 300 also comprises display screen module 30 and nonmetal bonnet 70.Nonmetal bonnet 70 is made up of plastics, glass or ceramic material, and nonmetal bonnet 70 is arranged at the relative both sides of metal edge frame 10 respectively with this display screen module 30.
Mobile terminal 200/300 described in the utility model, adopt its metal edge frame 10 directly as antenna, without the need to additional designs antenna, not only effectively reduce the overall dimensions of mobile terminal 200/300, the radiance of the antenna of metal edge frame 10 pairs of additional designs also can be avoided to have an impact.
Above disclosedly be only the utility model preferred embodiment, certainly the interest field of the utility model can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the utility model claim is done, still belong to the scope that utility model contains.
Claims (10)
1. an antenna assembly, is characterized in that: described antenna assembly comprises metal edge frame, and this metal edge frame comprises the first end and the second end that are oppositely arranged; This first end one end extends to form a low frequency radiation portion, and the other end extends to form a high-frequency radiation part be oppositely arranged with this low frequency radiation portion; This low frequency radiation portion is used for being connected to a low-frequency channel to receive and dispatch low frequency signal, and this high-frequency radiation part is used for being connected to a high-frequency circuit to receive and dispatch high-frequency signal; Described metal edge frame is the frame of a mobile terminal.
2. antenna assembly as claimed in claim 1, it is characterized in that: described low frequency radiation portion is an inverse-F antenna, described high-frequency radiation part is a slot antenna.
3. antenna assembly as claimed in claim 1, it is characterized in that: this low frequency radiation portion is roughly L-shaped, it comprises mutual grounding arm connected vertically and feed arm; This grounding arm is extended by the ending vertical of this first end and forms, this feed arm and this first end interval and arranged in parallel; The junction grounding of this grounding arm and this first end, this feed arm is electrically connected to described low-frequency channel.
4. antenna assembly as claimed in claim 3, is characterized in that: described feed arm comprises spaced first distributing point and the second distributing point; Described antenna assembly also comprises diverter switch, and this diverter switch comprises link, the first switch terminal and the second switch terminal; This link is electrically connected to described low-frequency channel, and this first switch terminal and the second switch terminal are electrical to the first distributing point and the second distributing point respectively; This diverter switch is used for selectively connecting the first switch terminal or the second switch terminal to link, thus selectively described low-frequency channel is connected to described first distributing point or the second distributing point.
5. antenna assembly as claimed in claim 1, is characterized in that: described high-frequency radiation part is roughly in " U " shape, and it comprises the first radiation arm, the second radiation arm and the 3rd radiation arm that connect successively; Described first radiation arm is formed by the side extension of this first end away from this second end; Described first radiation arm and the 3rd radiation arm are all vertically connected at the second radiation arm, and are positioned at the same side of the second radiation arm.
6. antenna assembly as claimed in claim 5, it is characterized in that: described antenna assembly also comprises an electric capacity, this electric capacity is used for being electrically connected between the 3rd radiant body and this high-frequency circuit, with to this high-frequency radiation part feed.
7. antenna assembly as claimed in claim 5, it is characterized in that: described antenna assembly also comprises a sheet metal, contiguous and the interval of this sheet metal and the 3rd radiant body is arranged, and this sheet metal is used for being electrically connected to this high-frequency circuit, with to this high-frequency radiation part couple feed.
8. a mobile terminal, comprises circuit board, it is characterized in that: described mobile terminal also comprises the antenna assembly as described in any one of claim 1-7, and this high-frequency circuit and low-frequency channel are all arranged on this circuit board.
9. mobile terminal as claimed in claim 8, it is characterized in that: described mobile terminal also comprises metal back cover, the first cosmetic sheet and the second device sheet, this metal back cover and this metal edge frame one-body molded and jointly surround one first fitting recess and one second fitting recess with this metal edge frame; Described first fitting recess and the second fitting recess are respectively adjacent to first end and the second end setting of metal edge frame; This first cosmetic sheet and the second cosmetic sheet all adopt non-conductive material to make, and are contained in respectively in described first fitting recess and the second fitting recess.
10. mobile terminal as claimed in claim 8, it is characterized in that: described mobile terminal also comprises nonmetal bonnet and display screen module, this nonmetal bonnet is made up of glass or ceramic material, and this nonmetal bonnet is arranged at the relative both sides of this metal edge frame respectively with this display screen module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540164.3U CN205039250U (en) | 2015-07-23 | 2015-07-23 | Antenna device and have this antenna device's mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540164.3U CN205039250U (en) | 2015-07-23 | 2015-07-23 | Antenna device and have this antenna device's mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039250U true CN205039250U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520540164.3U Expired - Fee Related CN205039250U (en) | 2015-07-23 | 2015-07-23 | Antenna device and have this antenna device's mobile terminal |
Country Status (1)
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| CN (1) | CN205039250U (en) |
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| CN105244620A (en) * | 2015-07-23 | 2016-01-13 | 广东欧珀移动通信有限公司 | Antenna device and mobile terminal with antenna device |
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