CN204441470U - A kind of being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna - Google Patents
A kind of being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna Download PDFInfo
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- CN204441470U CN204441470U CN201520132307.7U CN201520132307U CN204441470U CN 204441470 U CN204441470 U CN 204441470U CN 201520132307 U CN201520132307 U CN 201520132307U CN 204441470 U CN204441470 U CN 204441470U
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Abstract
The utility model discloses and be a kind ofly applicable to be with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna, it comprises: pcb board, pcb board one end is provided with headroom district, pcb board edge is provided with metal edge frame, the metal edge frame being positioned at headroom district has two places to disconnect, be respectively the first gap and the second gap, metal edge frame is divided into the first metal frame radiation arm, the second metal frame radiation arm and the 3rd metal frame radiation arm of arranging successively, the first metal frame radiation arm and the 3rd metal frame radiation arm are connected with the earth point of pcb board; Antenna body is arranged in headroom district, comprises feed part and the first radiant body, and the second metal frame radiation arm is connected with the distributing point of pcb board by feed part, and the first radiant body is connected with the second metal frame radiation arm.Of the present utility model being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna, utilizes metal edge frame bottom mobile phone as antenna radiator, has effectively expanded the beamwidth of antenna.
Description
Technical field
The utility model relates to a kind of antenna for mobile phone, and particularly a kind of being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna.
Background technology
Along with mobile phone is day by day universal, the experience requirements of different crowd to mobile phone is different.For promoting overall appearance and the customer experience of mobile phone, in increasing Cell Phone Design, have employed metal material in a large number.The application of metal material can produce strong impact to the performance of antenna for mobile phone, antenna for mobile phone bandwidth can be made to narrow, hydraulic performance decline, to such an extent as to the more difficult requirement meeting each operator of mobile phone antenna performance.
And along with popularizing of LTE technology, more and more higher to the requirement of the mobile phone beamwidth of antenna: low frequency bandwidth requirement covers 700MHz to 960MHz, high frequency band requires to cover 1710MHz to 2170MHz and 2300MHz to 2700MHz.
Therefore, how to seem more and more important at a large amount of antenna mobile phone of metal material being designed excellent performance that uses.
Utility model content
The utility model is for above-mentioned problems of the prior art, propose a kind ofly to be applicable to be with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna, effectively utilize metal edge frame bottom mobile phone as antenna radiator, neither affect outward appearance and customer experience, effectively extend the beamwidth of antenna again.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solution:
The utility model provides a kind of unipole antenna being applicable to be with metal edge frame mobile phone, and it comprises: pcb board, metal edge frame and antenna body; Wherein:
One end of described pcb board is provided with headroom district;
Described metal edge frame is arranged at the edge of described pcb board, the described metal edge frame being positioned at described headroom district has two places to disconnect, described metal edge frame comprises the first metal frame radiation arm, the second metal frame radiation arm and the 3rd metal frame radiation arm of arranging successively, described first metal frame radiation arm and described 3rd metal frame radiation arm are connected with the earth point of described pcb board, between described first metal frame radiation arm and described second metal frame radiation arm, there is the first gap, between described second metal frame radiation arm and described 3rd metal frame radiation arm, there is the second gap;
Described antenna body is arranged in described headroom district, comprise feed part and the first radiant body, described second metal frame radiation arm is connected with the distributing point of described pcb board by described feed part, and described first radiant body is connected with described second metal frame radiation arm.
The the second metal frame radiation arm be connected with the distributing point of pcb board by feed part is in order to produce low-frequency resonant frequency, and the first radiant body be connected with the second metal frame radiation arm is for generation of high-frequency resonant frequency.The position in the first gap and the second gap can be determined as the case may be, by regulating the length of the position-adjustable second metal radiation arm in two coupling gaps, its length adjustment, for regulating low-frequency resonant frequency, can make low-frequency resonant frequency reach 824MHz-960MHz; The length of the first radiant body can regulate as the case may be, and its length adjustment, for regulating high-frequency resonant frequency, can make high-frequency resonant frequency reach 1710MHz-2170MHz.
Preferably, described first gap and described second gap are positioned on the side of the circuit board away from described pcb board of described metal edge frame; Described first gap and described second gap symmetrical.The side be arranged in described first gap and described second gap away from the wiring region of described pcb board can make the second metal edge frame radiation arm between the first gap and the second gap away from the earth point of pcb board, and radiation effect is better; First gap and the second gap can make mobile phone fashion more attractive in appearance symmetrically while guarantee antenna radiation performance.
Preferably, the width in described first gap and described second gap between 0.5mm to 1mm, its width can not too wide can not be too narrow, the too wide outward appearance that can affect mobile phone, the too narrow radiance that can affect metal frame radiation arm.
Preferably, described antenna body also comprises the second radiant body; Have one between described second radiant body with described first radiant body to be coupled gap, described second radiant body is connected with the earth point of described pcb board.By increasing by the second radiant body, the bandwidth of high-frequency resonant can be widened.
Preferably, the width in described coupling gap is between 1mm to 2.5mm, coupling gap is for regulating the coupling coefficient between the first radiant body and the second radiant body, its width is narrower, more favourable to antenna radiation performance, effectively can widen the bandwidth of high frequency, high-frequency resonant frequency can be made to reach 2300MHz-2400MHz.
Preferably, the earth point be connected with described second radiant body of described pcb board with the distance between the wiring region of described pcb board and the mid point of the intersection in described headroom district within 10mm, when being positioned at the mid point of intersection, effect is best, and coupling effect is better, and bandwidth is wider.
Preferably, the tie point of described feed part and described second metal frame radiation arm is near described second gap.
Preferably, the distance between the tie point of described first radiant body and described second metal radiation arm and described second gap is between 10mm to 20mm, and this scope is conducive to high frequency performance and reaches optimum.
Preferably, described antenna body also comprises the 3rd radiant body, and described 3rd radiant body is connected with described 3rd metal frame radiation arm.By regulating the length of the 3rd radiant body can regulate high-frequency resonant frequency, increasing high frequency bandwidth, making high-frequency resonant frequency be increased to 2500MHz-2690MHz.
The utility model also provides a kind of mobile phone with metal edge frame, and it is provided with the unipole antenna being applicable to as above be with metal edge frame mobile phone.
Compared to prior art, the utility model has the following advantages:
What the utility model provided is applicable to be with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna, utilize metal edge frame bottom mobile phone as antenna radiator, neither affect outward appearance, effectively can widen again the frequency band of antenna, make to become possibility at a large amount of antenna mobile phone of metal material being designed excellent performance that uses.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, execution mode of the present utility model is described further:
Fig. 1 is the overall structure schematic diagram of the unipole antenna of embodiment 1 of the present utility model;
Fig. 2 is the partial schematic diagram of the unipole antenna of embodiment 1 of the present utility model;
Fig. 3 is the overall structure schematic diagram of the unipole antenna of embodiment 2 of the present utility model;
Fig. 4 is the partial schematic diagram of the unipole antenna of embodiment 2 of the present utility model;
Fig. 5 is the overall structure schematic diagram of the unipole antenna of embodiment 3 of the present utility model;
Fig. 6 is the partial schematic diagram of the unipole antenna of embodiment 3 of the present utility model;
Fig. 7 is the return loss plot of the unipole antenna of embodiment 3 of the present utility model;
Fig. 8 is the low frequency efficiency figure of the unipole antenna of embodiment 3 of the present utility model;
Fig. 9 is the high frequency efficiency chart of the unipole antenna of embodiment 3 of the present utility model.
Label declaration: 100-PCB plate, 200-headroom district, 300-metal edge frame, 400-antenna body;
301-first metal frame radiation arm, 302-second metal frame radiation arm, 303-the 3rd metal frame radiation arm, 310-first gap, 320-second gap;
401-feed part, 402-first radiant body, 403-second radiant body, 404-the 3rd radiant body, 410-is coupled gap.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
Embodiment 1:
The present embodiment describes the unipole antenna being applicable to be with metal edge frame mobile phone of the present utility model in detail, its overall structure schematic diagram as shown in Figure 1, it comprises pcb board 100, one end of pcb board 100 is provided with headroom district 200, antenna body 400 is arranged in headroom district 200, and metal edge frame 300 is arranged at the edge of pcb board 100.
Be illustrated in figure 2 the partial schematic diagram of the unipole antenna of the present embodiment, the metal edge frame 300 being positioned at headroom district 200 has two places to disconnect, two places disconnect and are respectively the first gap 310 and the second gap 320, metal edge frame are divided into first metal frame radiation arm 301, the second metal frame radiation arm 302 and the 3rd metal frame radiation arm 303 of arranging successively.Antenna body comprises feed part 401 and the first radiant body 402, the distributing point of one termination pcb board 100 of feed part 401, another termination second metal frame radiation arm 302, realize being connected with the signal of pcb board 100, the tie point of feed part 401 and the second metal radiation arm 302 is near the second gap 320; First radiant body 402 is connected with the second metal frame radiation arm 302, and the point that is connected is 15mm with the distance between the second gap 320, and in different embodiment, this distance can change between 10mm to 20mm, determines according to the susceptibility of high frequency.
In the present embodiment, second metal radiation arm 302 is in order to produce low-frequency resonant frequency, its length can regulate according to the position in the first gap 310 and the second gap 320, by regulating its length, it can be made to produce the low-frequency resonant frequency of 824MHz-960MHz; First radiant body 402 is in order to produce high-frequency resonant frequency, and its length can regulate as the case may be, by regulating its length, it can be made to produce the high-frequency resonant frequency of 1710MHz-2170MHz.The metal edge frame of mobile phone and the second metal radiation arm as antenna radiator, have effectively been widened the bandwidth of antenna by the unipole antenna of the present embodiment, the problem that on the mobile phone solving existing a large amount of use metal material, antenna performance is poor.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, add the second radiant body 403, as shown in Figure 3-4, have one between second radiant body 403 with the first radiant body 402 to be coupled gap 410, its width can be determined as the case may be, general between 1mm to 2.5mm, in order to regulate the coupling coefficient between the first radiant body 402 and the second radiant body 403, width is narrower, more favourable to antenna radiation performance; Second radiant body 403 is connected with the earth point of pcb board 100, this earth point is positioned at the midpoint of the wiring region of pcb board 100 and the intersection in headroom district 200, be arranged on coupling effect herein better, the beamwidth of antenna is wider, and it can produce the high-frequency resonant frequency of 2300MHz-2400MHz.In different embodiment, the position of this earth point also can regulate according to the layout scenarios of pcb board 100, but the distance departing from mid point is preferably not more than 10mm.
The unipole antenna of the present embodiment can cover low frequency bandwidth 824MHz-960MHz, high-frequency wideband 1710MHz-2170MHz and 2300MHz-2400MHz.
Embodiment 3:
The present embodiment is on the basis of embodiment 2, add the 3rd radiant body 404, as seen in figs. 5-6,3rd radiant body 404 is connected with the 3rd metal radiation arm 303, form parasitic element and produce high-frequency resonant frequency, the length of the 3rd radiant body 404 can regulate as the case may be, the adjustment of its length in order to regulate high-frequency resonant frequency, thus reaches the effect increasing high frequency bandwidth.The overlayable high-frequency wideband of unipole antenna of the present embodiment is increased to 2500MHz-2690MHz.
Be illustrated in figure 7 the return loss plot of the unipole antenna of the present embodiment, as can be seen from the figure, the unipole antenna of the present embodiment has higher efficiency when receiving and dispatching the signal between 824MHz-960MHz, 1710MHz-2170MHz and 2300MHz-2690MHz frequency.
Be illustrated in figure 8 the low frequency efficiency figure of the unipole antenna of the present embodiment, as can be seen from Figure, the unipole antenna of the present embodiment can reach reasonable effect in the low-frequency resonant frequency range of 824MHz-960MHz.
Be illustrated in figure 9 the high frequency efficiency chart of the unipole antenna of the present embodiment, as can be seen from Figure, in the high-frequency resonant frequency range of unipole antenna 1710MHz-2170MHz and 2300MHz-2690MHz of the present embodiment, reach reasonable effect.
It should be noted that, the first, second, third, etc. of above-mentioned appearance are not the restriction of each component locations to unipole antenna of the present utility model.Such as: the tie point of feed part 401 and the second metal radiation arm 302 also can near the first gap 310, corresponding, the tie point distance first gap 15mm of the first radiant body 402 and the second metal radiation arm 302, the 3rd radiant body 404 is connected with the first metal radiation arm 301.
Disclosed herein is only preferred embodiment of the present utility model, and this specification is chosen and specifically described these embodiments, and being to explain principle of the present utility model and practical application better, is not to restriction of the present utility model.The modifications and variations that any those skilled in the art do within the scope of specification, all should drop in scope that the utility model protects.
Claims (10)
1. be applicable to the unipole antenna being with metal edge frame mobile phone, it is characterized in that, comprising: pcb board, metal edge frame and antenna body; Wherein:
One end of described pcb board is provided with headroom district;
Described metal edge frame is arranged at the edge of described pcb board, the described metal edge frame being positioned at described headroom district has two places to disconnect, described metal edge frame comprises the first metal frame radiation arm, the second metal frame radiation arm and the 3rd metal frame radiation arm of arranging successively, described first metal frame radiation arm and described 3rd metal frame radiation arm are connected with the earth point of described pcb board, between described first metal frame radiation arm and described second metal frame radiation arm, there is the first gap, between described second metal frame radiation arm and described 3rd metal frame radiation arm, there is the second gap;
Described antenna body is arranged in described headroom district, comprise feed part and the first radiant body, described second metal frame radiation arm is connected with the distributing point of described pcb board by described feed part, and described first radiant body is connected with described second metal frame radiation arm.
2. unipole antenna according to claim 1, is characterized in that, described first gap and described second gap are positioned on the side of the wiring region away from described pcb board of described metal edge frame;
Described first gap and described second gap symmetrical.
3. unipole antenna according to claim 1, is characterized in that, the width in described first gap and described second gap is between 0.5mm to 1mm.
4. unipole antenna according to claim 1, is characterized in that, described antenna body also comprises the second radiant body;
Have one between described second radiant body with described first radiant body to be coupled gap, described second radiant body is connected with the earth point of described pcb board.
5. unipole antenna according to claim 4, is characterized in that, the width in described coupling gap is between 1mm to 2.5mm.
6. unipole antenna according to claim 4, is characterized in that, the earth point be connected with described second radiant body of described pcb board with the distance between the wiring region of described pcb board and the mid point of the intersection in described headroom district within 10mm.
7. unipole antenna according to claim 4, is characterized in that, the tie point of described feed part and described second metal frame radiation arm is near described second gap.
8. unipole antenna according to claim 7, is characterized in that, the distance between the tie point of described first radiant body and described second metal radiation arm and described second gap is between 10mm to 20mm.
9. unipole antenna according to claim 7, is characterized in that, described antenna body also comprises the 3rd radiant body;
Described 3rd radiant body is connected with described 3rd metal frame radiation arm.
10. the mobile phone with metal edge frame, is characterized in that, is provided with the unipole antenna as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132307.7U CN204441470U (en) | 2015-03-09 | 2015-03-09 | A kind of being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520132307.7U CN204441470U (en) | 2015-03-09 | 2015-03-09 | A kind of being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna |
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| Publication Number | Publication Date |
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| CN204441470U true CN204441470U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520132307.7U Expired - Fee Related CN204441470U (en) | 2015-03-09 | 2015-03-09 | A kind of being applicable to is with the unipole antenna of metal edge frame mobile phone and the mobile phone containing this antenna |
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| CN (1) | CN204441470U (en) |
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| CN105870585A (en) * | 2016-01-06 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Antenna device and mobile terminal |
| CN108336480A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | A kind of antenna system and mobile terminal |
| TWI643397B (en) * | 2017-08-22 | 2018-12-01 | 廣達電腦股份有限公司 | Mobile device |
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| CN109066105A (en) * | 2018-08-26 | 2018-12-21 | 昆山亿趣信息技术研究院有限公司 | A kind of antenna system for the metal edge frame mobile phone that isolation is high |
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