CN203850424U - Loop antenna system with gaps participating in radiation - Google Patents
Loop antenna system with gaps participating in radiation Download PDFInfo
- Publication number
- CN203850424U CN203850424U CN201420200350.8U CN201420200350U CN203850424U CN 203850424 U CN203850424 U CN 203850424U CN 201420200350 U CN201420200350 U CN 201420200350U CN 203850424 U CN203850424 U CN 203850424U
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- Prior art keywords
- edge frame
- gaps
- metal edge
- loop antenna
- radiation
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- Expired - Fee Related
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- 230000005855 radiation Effects 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 76
- 238000005452 bending Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model provides a Loop antenna system with gaps participating in radiation. The Loop antenna system comprises a metal frame, two gaps are formed in the bottom side of the metal frame, the inside part of the metal frame is divided into a clearance zone and a main land portion, the clearance zone is disposed at one side, adjacent to the gaps, of the metal frame, the main land portion is connected with the metal frame, the two ends of the metal frame between the two gaps are connected with a feed source and the main land portion through antenna parts so as to form a Loop antenna structure, and an antenna is disposed in the clearance zone. According to the Loop antenna system provided by the utility model, the metal frame of a mobile terminal serves as a part of the antenna and participates in the radiation progress, a high-radiation antenna system is formed through mutual radiation between the two gaps and the Loop antenna, and has the advantage of bandwidth widening, and the Loop antenna system has the characteristics of low sensitiveness and strong signals by arranging the two gaps in the bottom side and using the characteristic of low sensitiveness of the Loop antenna.
Description
Technical field
The utility model relates to Antenna Design technical field, relates in particular to the Loop antenna system that a kind of gap participates in radiation.
Background technology
Current metal edge frame mobile phone is more and more welcome due to fashion, main flow cell phone manufacturer releases metal machine one after another, but because metal edge frame has been occupied traditional antenna space, traditional IFA or monopoly antenna performance are sharply declined, adopt the metallic mobile phone radiation of traditional antenna and accept performance not good.
Loop antenna is antenna form common in antenna for mobile phone, and the advantage of Loop antenna is that susceptibility is lower, and when user's head and hand front are while touching antenna, the impact that antenna is subject to is smaller.But existing loop antenna is merely able to produce a resonance, bandwidth is narrower and efficiency is lower.
Utility model content
For solving metallic mobile phone signal difference, the poor problem of antenna performance in prior art, the utility model provides a kind of gap to participate in the Loop antenna system of radiation, comprise a metal edge frame, on one side of described metal edge frame, offer two gaps, the inside of described metal edge frame is provided with headroom district and main ground part, described headroom district is positioned at described metal edge frame and leans on the side into described two gaps, and described main ground part is connected with described metal edge frame; The two ends of the metal edge frame between described two gaps connect respectively feed and described main ground part by antenna part, form a Loop antenna structure form, and described antenna part is positioned at described headroom district.
Preferably, the rectangular shape of described metal edge frame, described two gaps are arranged on the base of described metal edge frame.
Preferably, described antenna part comprises:
The first radiant section, one end connects described feed, and the other end of described the first radiant section is on one end that bending is connected to the metal edge frame between described two gaps, and described the first radiant section is relative with the metal edge frame between described two gaps;
The second radiant section, one end connects the other end of the metal edge frame between described two gaps, and described the second radiant section is relative with the end that connects described feed one end on described the first Department of Radiation;
The 3rd radiant section, described the second radiant section is connected in described main ground part by described the 3rd radiant section.
Preferably, in described two gaps, be all filled with dielectric.
Preferably, the width in described two gaps is all more than or equal to 0.6mm.
The utility model, owing to adopting above technical scheme, makes it compared with prior art to have following characteristics:
1) a kind of gap that the utility model provides participates in the Loop antenna system of radiation, and by the gap and the common radiation between Loop antenna that arrange on metal edge frame, the antenna system of formation one high radiation, has advantages of the bandwidth of widening;
2) a kind of gap that the utility model provides participates in the Loop antenna system of radiation, gap is opened on the base of metal edge frame, and utilize the low feature of Loop antenna susceptibility, make antenna system that the utility model provides have advantages of that low sensitivity, signal are strong.
Accompanying drawing explanation
By reference to the accompanying drawings, by the detailed description of stating below, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
Fig. 1 is the front view of the structure of the utility model metal edge frame;
Fig. 2 is the perspective view of the structure of the utility model metal edge frame;
Fig. 3 is the structural representation of the utility model Loop antenna;
Fig. 4 is the utility model antenna assemblies figure;
Fig. 5 is the utility model embodiment return loss plot;
Fig. 6 is the utility model embodiment Smith chart.
Symbol description:
1-top side metal edge frame
2-left side metal edge frame
3-right side metal edge frame
4-bottom side metal edge frame
5-headroom district
6-the first gap
7-the second gap
Main ground of 8-part
9-distributing point
10-the first radiant section
11-the second radiant section
12-the 3rd radiant section.
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, below the utility model will be described in more detail.Yet the utility model can be with many multi-form realizations, 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 those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may amplify size and the relative size in layer and region.
With reference to figure 1-6, the utility model provides a kind of gap to participate in the Loop antenna system of radiation, for transmitting and receiving wireless signal on mobile terminal device, mainly comprises metal edge frame and Loop antenna.The utility model adopts offers gap on metal edge frame, and the antenna form that metal edge frame is combined with Loop antenna, metal mobile device signal difference in prior art, the poor problem of antenna performance have been solved, because this system power is evenly distributed, greatly reduce SAR(electro-magnetic wave absorption ratio simultaneously) risk.The situation that is mobile phone with regard to mobile terminal device is below elaborated.
Concrete, the Loop antenna system that this gap participates in radiation comprises a metal edge frame, as shown in Figure 1-2, the rectangular shape of this metal edge frame, this metal edge frame can directly be used as mobile phone frame; The base of metal edge frame offers two gaps, be respectively the first gap 6 and the second gap 7, make metal edge frame be divided into two parts, a part is the bottom side metal edge frame 4 between the first gap 6 and the second gap 7 on metal edge frame base, and another part is comprised of the top side metal edge frame 1 being connected together, left side metal edge frame 2 and right side metal edge frame 3; Metal edge frame inside is provided with headroom district 5 and main ground part 8, and headroom district 5 is positioned at a side of bottom side metal edge frame 4, and the upper side edge of main ground part 8 is connected and is grounded with side metal edge frame 1, left side metal edge frame 2, right side metal edge frame 3 respectively with left and right side; Part 8 can, for having to the metal of electric conductivity or pcb board etc., not be restricted herein wherein mainly.
In the present embodiment, the first gap 6 and the second gap 7 are arranged on the base of metal edge frame, on the base of mobile phone, because gap is very responsive, right overhead or hand contact or while approaching gap, near dielectric constant sudden change gap can cause RL(return loss) skew, thereby (" hand machine head fingerprint " refers to that laboratory test is for the model of phantom bead and staff to cause hand machine head fingerprint, in experimentation, mobile phone is placed on to model head and tests on hand) performance fast-descending, user can feel that mobile phone signal is poor intuitively, therefore the utility model is opened in the first gap 6 and the second gap 7 on the base of metal edge frame, can greatly reduce head, the impact that hand brings to antenna performance.
In the present embodiment, all there is coupling in 6 places, the first gap and 7 places, the second gap, and therefore the first gap 6 and the second gap 7 can produce radiation, participates in antenna work.Wherein, the size in the first gap 6 and the second gap 7 is larger, and loss (this loss specifically refers to reflection and the consumption of electromagnetic energy) bandwidth and efficiency less, antenna is higher; In the present embodiment, preferably the width in the first gap 6 and the second gap 7 is more than or equal to 0.6mm, and when the first gap 6 and the second gap 7 are less than 0.6mm, the coupling at 6 places, the first gap and 7 places, the second gap is excessively strong, and loss is larger.In the present embodiment, in the first gap 6 and the second gap 7, be filled with the dielectrics such as plastics, wherein the dielectric constant of dielectric is different, can affect the radiation efficiency of antenna, dielectric constant is less, and loss is less, and the efficiency of gap radiation is higher, the material that can select as the case may be dielectric is not restricted herein.
With reference to figure 3-4, in the headroom district 5 of metal edge frame inner side, be also provided with antenna part.Concrete, antenna part comprises distributing point 9, the first radiant section 10, the second radiant section 11 and the 3rd radiant section 12; One end of the first radiant section 10 connects distributing point 9, and receives feed signal by distributing point 9; The other end of the first radiant section 10 is on one end that bending is connected to bottom side metal edge frame 4, and the first radiant section 10 is relative with bottom side metal edge frame 4; The other end of bottom side metal edge frame 4 is connected with one end of the second radiant section 11, and the long limit of the second radiant section 11 is relative with the end that the first radiant section 10 connects feed; The other end of the second radiant section 11 is connected in main ground part 8 and is grounded by the 3rd radiant section.Distributing point 9, the first radiant section 10, bottom side metal edge frame 4, the second radiant section 11, the 3rd radiant section 12 and main ground part 8 shape one closed-loop path that is connected successively, is Loop antenna structure form.Wherein, the setting position of distributing point depends on that Loop antenna bus is long, if the position of distributing point 9 is selected in the centre position near metal edge frame base, the length of the first radiant section 10 reduces, the total line length of Loop can shorten, therefore the position of distributing point 9 can be determined according to the setting position in mobile phone integral width and the first gap 6, the second gap 7, but guarantees that total line length of Loop antenna can go out low frequency by resonance simultaneously.
In the present embodiment, as shown in Figure 4, a kind of gap that the utility model provides participates in the Loop antenna system of radiation, and the part using the metal edge frame of mobile terminal as antenna participates in radiative process; By the common radiation between the first gap 6, the second gap 7 and Loop antenna, form the antenna system of a high radiation on the one hand, there is the bandwidth of widening; On the other hand, by the first gap 6 and the second gap 7 are opened on base, and utilize the low feature of Loop antenna susceptibility, make antenna system that the utility model provides have advantages of that low sensitivity, signal are strong.
With reference to figure 5, return loss plot for the utility model embodiment, the utility model meets the bandwidth requirement of the frequency ranges such as 0.88-0.96Ghz, 1.71-2.369 Ghz as can be seen from Figure, the beamwidth of antenna of the present utility model is better as can be seen here, can be used as multifrequency antenna, by Optimized Matching circuit, bandwidth can further be widened.With reference to figure 6, be the Smith chart of the utility model embodiment, in figure, can find out that Smith is all near 50ohm, the utility model can obtain good power as can be seen here.
In sum, the utility model provides a kind of gap to participate in the Loop antenna system of radiation, comprise a metal edge frame, on the base of metal edge frame, offer two gaps, the inside of metal edge frame is divided into headroom district and main ground part, headroom district is positioned at described metal edge frame and leans on the side into described gap, and main ground part is connected with metal edge frame; The two ends of the metal edge frame between two gaps connect respectively feed and main ground part by antenna part, form a Loop antenna structure form, and antenna part are positioned at headroom district.The part of the utility model using the metal edge frame of mobile terminal as antenna participates in radiative process, on the one hand by common radiation between two gaps and Loop antenna, forms the antenna system of a high radiation, has advantages of the bandwidth of widening; On the other hand, by two gaps are opened on base, and utilize the low feature of Loop antenna susceptibility, make to the utlity model has low sensitivity, advantage that signal is strong.
Those skilled in the art should be understood that the utility model can not depart from spirit or scope of the present utility model with many other concrete forms realizations.Although also described embodiment of the present utility model, the utility model should be understood and these embodiment should be restricted to, within the utility model spirit and scope that those skilled in the art can define as appended claims, make and change and revise.
Claims (5)
1. a gap participates in the Loop antenna system of radiation, it is characterized in that, comprise a metal edge frame, on one side of described metal edge frame, offer two gaps, the inside of described metal edge frame is provided with headroom district and main ground part, described headroom district is positioned at described metal edge frame and leans on the side into described two gaps, and described main ground part is connected with described metal edge frame; The two ends of the metal edge frame between described two gaps connect respectively feed and described main ground part by antenna part, form a Loop antenna structure form, and described antenna part is positioned at described headroom district.
2. gap according to claim 1 participates in the Loop antenna system of radiation, it is characterized in that, and the rectangular shape of described metal edge frame, described two gaps are arranged on the base of described metal edge frame.
3. gap according to claim 1 participates in the Loop antenna system of radiation, it is characterized in that, described antenna part comprises:
The first radiant section, one end connects described feed, and the other end of described the first radiant section is on one end that bending is connected to the metal edge frame between described two gaps, and described the first radiant section is relative with the metal edge frame between described two gaps;
The second radiant section, one end connects the other end of the metal edge frame between described two gaps, and described the second radiant section is relative with the end that connects described feed one end on described the first Department of Radiation;
The 3rd radiant section, described the second radiant section is connected in described main ground part by described the 3rd radiant section.
4. gap according to claim 1 participates in the Loop antenna system of radiation, it is characterized in that, in described two gaps, is all filled with dielectric.
5. gap according to claim 1 participates in the Loop antenna system of radiation, it is characterized in that, the width in described two gaps is all more than or equal to 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200350.8U CN203850424U (en) | 2014-03-31 | 2014-04-23 | Loop antenna system with gaps participating in radiation |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410125441.4 | 2014-03-31 | ||
| CN201420151090 | 2014-03-31 | ||
| CN201420151090.X | 2014-03-31 | ||
| CN201410125441 | 2014-03-31 | ||
| CN201420200350.8U CN203850424U (en) | 2014-03-31 | 2014-04-23 | Loop antenna system with gaps participating in radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850424U true CN203850424U (en) | 2014-09-24 |
Family
ID=51504400
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410165197.4A Pending CN104051842A (en) | 2014-03-31 | 2014-04-23 | Loop antenna system with gaps for radiation |
| CN201420200350.8U Expired - Fee Related CN203850424U (en) | 2014-03-31 | 2014-04-23 | Loop antenna system with gaps participating in radiation |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410165197.4A Pending CN104051842A (en) | 2014-03-31 | 2014-04-23 | Loop antenna system with gaps for radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104051842A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051842A (en) * | 2014-03-31 | 2014-09-17 | 小米科技有限责任公司 | Loop antenna system with gaps for radiation |
| CN105552552A (en) * | 2016-01-27 | 2016-05-04 | 杭州禾声科技有限公司 | Multiband antenna based on metal frame |
| CN107331948A (en) * | 2017-07-31 | 2017-11-07 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| WO2023246295A1 (en) * | 2022-06-20 | 2023-12-28 | 荣耀终端有限公司 | Terminal antenna and electronic device |
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| CN105576350A (en) * | 2014-10-15 | 2016-05-11 | 中兴通讯股份有限公司 | Multi-band antenna |
| KR102258191B1 (en) * | 2014-11-13 | 2021-05-28 | 삼성전자주식회사 | Electronic device |
| CN105789820B (en) * | 2014-12-23 | 2020-01-14 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
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| WO2016101871A1 (en) | 2014-12-26 | 2016-06-30 | Byd Company Limited | Mobile terminal and antenna of mobile terminal |
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| EP3229314B1 (en) | 2015-01-04 | 2019-08-14 | Huawei Technologies Co. Ltd. | Handheld device |
| EP3890286B1 (en) | 2015-02-06 | 2023-08-16 | Samsung Electronics Co., Ltd. | Portable electronic device |
| US9578149B2 (en) | 2015-02-06 | 2017-02-21 | Samsung Electronics Co., Ltd. | Electronic device including display with bent area |
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| CN105870585B (en) * | 2016-01-06 | 2017-12-15 | 乐视移动智能信息技术（北京）有限公司 | A kind of antenna assembly and mobile terminal |
| US10256527B2 (en) * | 2016-01-11 | 2019-04-09 | Lg Electronics Inc. | Mobile terminal |
| CN108023183B (en) * | 2016-10-31 | 2022-01-04 | 北京小米移动软件有限公司 | Antenna structure of mobile terminal and mobile terminal |
| CN108461907A (en) * | 2018-03-23 | 2018-08-28 | 北京小米移动软件有限公司 | Terminal device |
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| KR101334812B1 (en) * | 2011-04-14 | 2013-11-28 | 삼성전자주식회사 | Antenna device for portable terminal |
| US9350069B2 (en) * | 2012-01-04 | 2016-05-24 | Apple Inc. | Antenna with switchable inductor low-band tuning |
| CN103236583B (en) * | 2013-04-25 | 2016-06-08 | 上海安费诺永亿通讯电子有限公司 | A kind of novel LTE metal frame antenna strengthening bandwidth |
| CN104051842A (en) * | 2014-03-31 | 2014-09-17 | 小米科技有限责任公司 | Loop antenna system with gaps for radiation |
-
2014
- 2014-04-23 CN CN201410165197.4A patent/CN104051842A/en active Pending
- 2014-04-23 CN CN201420200350.8U patent/CN203850424U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051842A (en) * | 2014-03-31 | 2014-09-17 | 小米科技有限责任公司 | Loop antenna system with gaps for radiation |
| CN105552552A (en) * | 2016-01-27 | 2016-05-04 | 杭州禾声科技有限公司 | Multiband antenna based on metal frame |
| CN105552552B (en) * | 2016-01-27 | 2018-09-18 | 杭州禾声科技有限公司 | A kind of multiband antenna based on metal edge frame |
| CN107331948A (en) * | 2017-07-31 | 2017-11-07 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| CN107331948B (en) * | 2017-07-31 | 2023-08-15 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| WO2023246295A1 (en) * | 2022-06-20 | 2023-12-28 | 荣耀终端有限公司 | Terminal antenna and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104051842A (en) | 2014-09-17 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Peng Inventor after: Pi Xiaohui Inventor after: Sheng Hongyu Inventor after: Xu Chunyang Inventor before: Li Peng Inventor before: Pi Xiaohui Inventor before: Sheng Hongyu Inventor before: Xu Chunyang |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |