CN104009282A - Seven-frequency-band intelligent mobile phone antenna based on all-metal frame - Google Patents
Seven-frequency-band intelligent mobile phone antenna based on all-metal frame Download PDFInfo
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- CN104009282A CN104009282A CN201410259056.9A CN201410259056A CN104009282A CN 104009282 A CN104009282 A CN 104009282A CN 201410259056 A CN201410259056 A CN 201410259056A CN 104009282 A CN104009282 A CN 104009282A
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Abstract
The invention discloses a seven-frequency-band intelligent mobile phone antenna based on an all-metal frame. The antenna is smaller in occupied space, the antenna performs feeding on a first coupling radiating slot and a second coupling radiating slot through a feed unit, the widths and the lengths of the first coupling radiating slot and the second coupling radiating slot, and the positions of a first grounding tag, a second grounding tag and a fourth grounding tag are adjusted, and therefore the required wide frequency brands (824 MHZ to 960 MHZ and 1690 MHZ to 2690 MHZ) can be obtained to cover the seven frequency bands required by a terminal antenna, the positions of the first grounding tag, the second grounding tag, a third grounding tag and the fourth grounding tag are optimally designed, the size of the radiating slots is increased by utilizing the slot formed by the gap between the metal frame and the metal ground, the space occupied by a plane slot antenna of a micro-band feeder is greatly reduced, design of the seven-frequency-band intelligent mobile phone antenna is achieved in the extremely small space, and the antenna is suitable for being applied and popularized in the technical field of terminal antennas.
Description
Technical field
The present invention relates to terminal antenna technical field, be specifically related to a kind of seven frequency range smart mobile phone antennas based on all-metal frame.
Background technology
Metal edge frame makes mobile phone be full of metal-like and can increase the structural strength of mobile phone, and therefore many mobile-phone manufacturers favor in increase the aesthetic feeling of cell phone appearance with metal edge frame very much.But metal edge frame is very large on the radiance impact of antenna for mobile phone, traditional antenna for mobile phone design is difficult to meet the application demand of metal edge frame mobile phone, so have the mobile phone of metal edge frame, becomes a great problem that mobile-phone manufacturers face.
There is at present the mobile phone of metal edge frame in order to eliminate the impact of metal edge frame on antenna performance, generally adopt following methods: one, metal edge frame is cracked with ground connection and loads the impact that lamped element is eliminated ring.Two, the metal edge frame of antenna region is changed into plastic material or metal edge frame is divided into a plurality of parts, the part metals frame that makes segmentation designs as a part for antenna.Three, adopt the planar slot antenna of feed microstrip line to design, as shown in number of patent application CN201120421743.8.Above-mentioned technology has following drawback: one, and crack and destroyed the continuity of metal edge frame with ground connection, affect the overall aesthetic of mobile phone, the needed space of Antenna Design is needed larger than traditional antenna simultaneously; Two, part metals frame participates in radiation as a part for antenna.When hand or other conductors are held the seam on frame, the performance of antenna can sharply worsen, and causes transmitting-receiving bad.Three, adopt the planar slot antenna of feed microstrip line to design, but shared space is too large, being difficult to has actual application value.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of less seven frequency range smart mobile phone antennas based on all-metal frame that take up space.
The present invention solves the problems of the technologies described above adopted technical scheme: be somebody's turn to do the seven frequency range smart mobile phone antennas based on all-metal frame, comprise medium substrate, metal edge frame, the lower surface of described medium substrate is provided with metal floor, the top of described metal floor is provided with the first bending seam, the second vertical masonry joint, the 3rd bending seam, described the first bending seam comprises the first horizontal segment and the first vertical section that is positioned at the first horizontal segment right-hand member, the described first vertical section extends upwardly to metal floor edge, described the second vertical masonry joint is parallel to the first horizontal segment of the first bending seam and is positioned at the first bending seam below, the right-hand member of the second vertical masonry joint extends to the edge of metal floor, described the 3rd bending seam is positioned at the second vertical masonry joint below, described the 3rd bending seam comprises the 3rd horizontal segment and is positioned at the 3rd vertical section of the 3rd horizontal segment left end, the described the 3rd vertical section extends upwardly to the edge of metal floor, described medium substrate is positioned at metal edge frame, between the side of described metal floor and metal edge frame, there is gap, the top of described medium substrate is provided with the first ground strip and the second ground strip, the first ground strip is positioned at the outside of the 3rd vertical section, the second ground strip is positioned at the outside of the first vertical section, the left side of medium substrate is provided with the 3rd ground strip, right side is provided with the 4th ground strip, described the first bending seam, common formation the first coupled radiation seam of gap between the first ground strip and the second ground strip and the 3rd bending seam, common formation the second coupled radiation seam in gap between the right-hand member of described the second vertical masonry joint and the second vertical masonry joint and the 4th ground strip, the upper surface of described medium substrate is provided with to the first coupled radiation seam, the feed element of the second coupled radiation seam feed.
Further, described metal edge frame is integral type structure.
Further, the length of described the first coupled radiation seam is 1/2nd wavelength of low frequency GSM/850, and the length of described the second coupled radiation seam is 1/2nd wavelength of low frequency GSM/900.
Further, described feed element is comprised of the microstrip feed line of two feed tab and 50 ohm, and two feed tab are arrange and two feed tab be all arranged on the homonymy of microstrip feed line vertical with microstrip feed line all.
Further, described the first ground strip, the second ground strip, the 3rd ground strip, the 4th ground strip are metal derby.
Further, the side of described metal floor and the gap between metal edge frame are 2mm.
Beneficial effect of the present invention: the seven frequency range smart mobile phone antennas based on all-metal frame of the present invention are given the first coupled radiation seam, the second coupled radiation seam feed by feed element, by regulating width, length and first ground strip of the first coupled radiation seam, the position of the second ground strip, can obtain the first coupled radiation and be sewn on the resonance that 800MHZ produces 1/2nd wavelength, at 1460MHz, produce the resonance of wavelength one by one, at 2230MHZ, produce the resonance of a two/three-wavelength, by regulating the width of the second coupled radiation seam, the position of length and the 4th ground strip, the resonance that can produce 1/2nd wavelength at 930MHZ produces two higher order resonances moulds simultaneously, respectively to produce the resonance of wavelength one by one at 1760MHz, at 2590MHz, produce the resonance of a two/three-wavelength, other are by the 3rd ground strip, metal floor, the gap that metal edge frame forms, mainly play the effect of impedance matching, by above mode of resonance, can obtain needed broadband (824-960MHZ and 1690-2690MHZ) and cover needed seven frequency ranges of terminal antenna, by to the first ground strip, the second ground strip, the 3rd ground strip, the position of the 4th ground strip is optimized design, utilize seam that the spacing on metal edge frame and metal ground forms to increase the size of radiating slot, greatly dwindled the shared space of planar slot antenna of microstrip feed line, in minimum space, realize seven designs of smart mobile phone antenna frequently.
Accompanying drawing explanation
Fig. 1 is the structural representation of the seven frequency range smart mobile phone antennas based on all-metal frame of the present invention;
Fig. 2 is reflection coefficient (S-parameter) curve synoptic diagram that the present invention is based on seven frequency range smart mobile phone antennas of all-metal frame;
Description of symbols in figure: vertical section 402, second vertical masonry joint 5 of the 4, first horizontal segment 401, first, the 601, the 3rd vertical section of the 602, first ground strip 7 of the 3rd bending seam the 6, the 3rd horizontal segment, the second ground strip 8, the 3rd ground strip 9, the 4th ground strip 10, first coupled radiation seam the 11, second coupled radiation seam 12, feed element 13, feed tab 131, microstrip feed line 132 are stitched in medium substrate 1, metal edge frame 2, metal floor 3, the first bending.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
As shown in Figure 1, be somebody's turn to do the seven frequency range smart mobile phone antennas based on all-metal frame, comprise medium substrate 1, metal edge frame 2, the lower surface of described medium substrate 1 is provided with metal floor 3, the top of described metal floor 3 is provided with the first bending seam 4, the second vertical masonry joint 5, the 3rd bending seam 6, described the first bending seam 4 comprises the first horizontal segment 401 and the first vertical section 402 that is positioned at the first horizontal segment 401 right-hand members, the described first vertical section 402 extends upwardly to metal floor 3 edges, described the second vertical masonry joint 5 is parallel to the first horizontal segment 401 of the first bending seam 4 and is positioned at the first bending and stitches 4 belows, the right-hand member of the second vertical masonry joint 5 extends to the edge of metal floor 3, described the 3rd bending seam 6 is positioned at the second vertical masonry joint 5 belows, described the 3rd bending seam 6 comprises the 3rd horizontal segment 601 and is positioned at the 3rd vertical section 602 of the 3rd horizontal segment 601 left ends, the described the 3rd vertical section 602 extends upwardly to metal floor 3 edges, described medium substrate 1 is positioned at metal edge frame 2, between the side of described metal floor 3 and metal edge frame 2, there is gap, the top of described medium substrate 1 is provided with the first ground strip 7 and the second ground strip 8, the first ground strip 7 is positioned at the outside of the 3rd vertical section 602, the second ground strip 8 is positioned at the outside of the first vertical section 402, the left side of medium substrate 1 is provided with the 3rd ground strip 9, right side is provided with the 4th ground strip 10, described the first bending seam 4, common formation the first coupled radiation seam 11 of gap between the first ground strip 7 and the second ground strip 8 and the 3rd bending seam 6, common formation the second coupled radiation seam 12 in the right-hand member of described the second vertical masonry joint 5 and the second vertical masonry joint 5 and the gap between the 4th ground strip 10, the upper surface of described medium substrate 1 is provided with to the first coupled radiation seam 11, the second coupled radiation is stitched the feed element 13 of 12 feeds.The seven frequency range smart mobile phone antennas based on all-metal frame of the present invention stitch 12 feeds to first coupled radiation seam the 11, second coupled radiation by feed element 13, by regulating width, length and first ground strip 7 of the first coupled radiation seam 11, the position of the second ground strip 8, can obtain the first coupled radiation seam 11 and at 800MHZ, produce the resonance of 1/2nd wavelength, at 1460MHz, produce the resonance of wavelength one by one, at 2230MHZ, produce the resonance of a two/three-wavelength, by regulating the width of the second coupled radiation seam 12, the position of length and the 4th ground strip 10, the resonance that can produce 1/2nd wavelength at 930MHZ produces two higher order resonances moulds simultaneously, respectively to produce the resonance of wavelength one by one at 1760MHz, at 2590MHz, produce the resonance of a two/three-wavelength, other are by the 3rd ground strip 9, metal floor 3, the gap that metal edge frame 2 forms, mainly play the effect of impedance matching, by above mode of resonance, can obtain needed broadband 824-960MHZ and 1690-2690MHZ covers needed seven frequency ranges of terminal antenna, by to the first ground strip 7, the second ground strip 8, the 3rd ground strip 9, the position of the 4th ground strip 10 is optimized design, utilize seam that the spacing on metal edge frame 2 and metal ground forms to increase the size of radiating slot, greatly dwindled the shared space of planar slot antenna of microstrip feed line 132, in minimum space, realize seven designs of smart mobile phone antenna frequently.
When hand or other conductor are held metal edge frame 2, can not produce the phenomenon that antenna performance sharply worsens, metal edge frame 2 is set to integral structure.
In order to make first coupled radiation seam the 11, second coupled radiation seam 12 can better produce needed mode of resonance, the length of described the first coupled radiation seam 11 is preferably 1/2nd wavelength of low frequency GSM/850, and the length of described the second coupled radiation seam 12 is preferably 1/2nd wavelength of low frequency GSM/900.
In the above-described embodiment, described feed element 13 can adopt existing various feed structure, as preferably: described feed element 13 is comprised of the microstrip feed line 132 of two feed tab 131 and 50 ohm, two feed tab 131 are arrange and two feed tab 131 be all arranged on the homonymy of microstrip feed line 132 vertical with microstrip feed line 132 all.
In order to increase the bonding strength of metal edge frame 2 and medium substrate 1, described the first ground strip 7, the second ground strip 8, the 3rd ground strip 9, the 4th ground strip 10 are metal derby.
In order to reduce coupling effect, simultaneously also in order to meet the process requirements of mobile phone production firm, the gap design between the side of described metal floor 3 and metal edge frame 2 is 2mm.
Fig. 2 is the reflection coefficient S-parameter curve synoptic diagram that the present invention is based on seven frequency range smart mobile phone antennas of all-metal frame.As shown in Figure 2, in the frequency range 824-960MHZ and 1690-2690MH needing in application, the reflection coefficient of antenna all-below 6dB, meet the designing requirement of antenna.
Claims (6)
1. seven frequency range smart mobile phone antennas based on all-metal frame, it is characterized in that: comprise medium substrate (1), metal edge frame (2), the lower surface of described medium substrate (1) is provided with metal floor (3), the top of described metal floor (3) is provided with the first bending seam (4), the second vertical masonry joint (5), the 3rd bending seam (6), described the first bending seam (4) comprises the first horizontal segment (401) and the first vertical section (402) that is positioned at the first horizontal segment (401) right-hand member, the described first vertical section (402) extends upwardly to metal floor (3) edge, described the second vertical masonry joint (5) is parallel to first horizontal segment (401) of the first bending seam (4) and is positioned at the first bending seam (4) below, the right-hand member of the second vertical masonry joint (5) extends to the edge of metal floor (3), described the 3rd bending seam (6) is positioned at the second vertical masonry joint (5) below, described the 3rd bending seam (6) comprises the 3rd horizontal segment (601) and is positioned at the 3rd vertical section (602) of the 3rd horizontal segment (601) left end, the described the 3rd vertical section (602) extends upwardly to the edge of metal floor (3), described medium substrate (1) is positioned at metal edge frame (2), between the side of described metal floor (3) and metal edge frame (2), there is gap, the top of described medium substrate (1) is provided with the first ground strip (7) and the second ground strip (8), the first ground strip (7) is positioned at the outside of the 3rd vertical section (602), the second ground strip (8) is positioned at the outside of the first vertical section (402), the left side of medium substrate (1) is provided with the 3rd ground strip (9), right side is provided with the 4th ground strip (10), described the first bending seam (4), gap between the first ground strip (7) and the second ground strip (8) and the 3rd bending seam (6) form the first coupled radiation seam (11) jointly, common formation the second coupled radiation seam (12) in gap between the right-hand member of described the second vertical masonry joint (5) and the second vertical masonry joint (5) and the 4th ground strip (10), the upper surface of described medium substrate (1) is provided with to the first coupled radiation seam (11), the feed element (13) of second coupled radiation seam (12) feed.
2. the seven frequency range smart mobile phone antennas based on all-metal frame as claimed in claim 1, is characterized in that: described metal edge frame (2) is integral type structure.
3. seven frequency range smart mobile phone antennas based on all-metal frame as claimed in claim 2, it is characterized in that: the length of described the first coupled radiation seam (11) is 1/2nd wavelength of low frequency GSM/850, the length of described the second coupled radiation seam (12) is 1/2nd wavelength of low frequency GSM/900.
4. seven frequency range smart mobile phone antennas based on all-metal frame as claimed in claim 3, it is characterized in that: described feed element (13) is comprised of the microstrip feed line (132) of two feed tab (131) and 50 ohm, two feed tab (131) are arrange and two feed tab (131) be all arranged on the homonymy of microstrip feed line (132) vertical with microstrip feed line (132) all.
5. the seven frequency range smart mobile phone antennas based on all-metal frame as claimed in claim 4, is characterized in that: described the first ground strip (7), the second ground strip (8), the 3rd ground strip (9), the 4th ground strip (10) are metal derby.
6. the seven frequency range smart mobile phone antennas based on all-metal frame as claimed in claim 5, is characterized in that: the gap between the side of described metal floor (3) and metal edge frame (2) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259056.9A CN104009282B (en) | 2014-06-12 | 2014-06-12 | Based on seven frequency range intelligent mobile phone antenna of all-metal frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410259056.9A CN104009282B (en) | 2014-06-12 | 2014-06-12 | Based on seven frequency range intelligent mobile phone antenna of all-metal frame |
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| CN104009282A true CN104009282A (en) | 2014-08-27 |
| CN104009282B CN104009282B (en) | 2016-03-23 |
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| CN201410259056.9A Expired - Fee Related CN104009282B (en) | 2014-06-12 | 2014-06-12 | Based on seven frequency range intelligent mobile phone antenna of all-metal frame |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319477A (en) * | 2014-09-18 | 2015-01-28 | 联想(北京)有限公司 | Antenna and electronic equipment |
| CN104810601A (en) * | 2015-04-17 | 2015-07-29 | 苏州工业园区新明亚电子科技有限公司 | Full metal frame antenna for handheld mobile terminal |
| CN105846054A (en) * | 2016-01-29 | 2016-08-10 | 北京小米移动软件有限公司 | Terminal back cover and mobile terminal |
| CN106252840A (en) * | 2016-09-20 | 2016-12-21 | 北京小米移动软件有限公司 | Antenna assembly and terminal |
| CN106486774A (en) * | 2016-09-29 | 2017-03-08 | 努比亚技术有限公司 | Mobile terminal and its communication processing method |
| CN108321523A (en) * | 2018-05-09 | 2018-07-24 | 厦门美图移动科技有限公司 | Antenna structure and electronic equipment |
| CN108963439A (en) * | 2018-07-13 | 2018-12-07 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN109149104A (en) * | 2017-06-15 | 2019-01-04 | 乐山顺辰科技有限公司 | A kind of antenna for mobile phone |
| CN112736404A (en) * | 2020-12-24 | 2021-04-30 | 维沃移动通信有限公司 | Electronic device |
| CN113285209A (en) * | 2021-04-23 | 2021-08-20 | 宁波大学 | Small mobile terminal antenna supporting dual-mode coexistence |
| CN113555689A (en) * | 2020-04-24 | 2021-10-26 | 深圳市万普拉斯科技有限公司 | Communication device and mobile terminal |
| WO2021232994A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Wearable device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319477A (en) * | 2014-09-18 | 2015-01-28 | 联想(北京)有限公司 | Antenna and electronic equipment |
| CN104810601A (en) * | 2015-04-17 | 2015-07-29 | 苏州工业园区新明亚电子科技有限公司 | Full metal frame antenna for handheld mobile terminal |
| CN105846054A (en) * | 2016-01-29 | 2016-08-10 | 北京小米移动软件有限公司 | Terminal back cover and mobile terminal |
| CN106252840A (en) * | 2016-09-20 | 2016-12-21 | 北京小米移动软件有限公司 | Antenna assembly and terminal |
| CN106486774A (en) * | 2016-09-29 | 2017-03-08 | 努比亚技术有限公司 | Mobile terminal and its communication processing method |
| CN109149104A (en) * | 2017-06-15 | 2019-01-04 | 乐山顺辰科技有限公司 | A kind of antenna for mobile phone |
| CN108321523A (en) * | 2018-05-09 | 2018-07-24 | 厦门美图移动科技有限公司 | Antenna structure and electronic equipment |
| CN108321523B (en) * | 2018-05-09 | 2024-03-01 | 厦门美图移动科技有限公司 | Antenna structure and electronic equipment |
| CN108963439B (en) * | 2018-07-13 | 2021-04-27 | Oppo广东移动通信有限公司 | Antenna assembly and electronic device |
| CN108963439A (en) * | 2018-07-13 | 2018-12-07 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN113555689A (en) * | 2020-04-24 | 2021-10-26 | 深圳市万普拉斯科技有限公司 | Communication device and mobile terminal |
| CN113555689B (en) * | 2020-04-24 | 2024-01-30 | 深圳市万普拉斯科技有限公司 | Communication device and mobile terminal |
| WO2021232994A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Wearable device |
| CN112736404A (en) * | 2020-12-24 | 2021-04-30 | 维沃移动通信有限公司 | Electronic device |
| CN112736404B (en) * | 2020-12-24 | 2023-12-08 | 维沃移动通信有限公司 | Electronic equipment |
| CN113285209A (en) * | 2021-04-23 | 2021-08-20 | 宁波大学 | Small mobile terminal antenna supporting dual-mode coexistence |
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