CN202282452U - Multiple-frequency slot antenna for mobile phone with closed metal frame - Google Patents
Multiple-frequency slot antenna for mobile phone with closed metal frame Download PDFInfo
- Publication number
- CN202282452U CN202282452U CN 201120421743 CN201120421743U CN202282452U CN 202282452 U CN202282452 U CN 202282452U CN 201120421743 CN201120421743 CN 201120421743 CN 201120421743 U CN201120421743 U CN 201120421743U CN 202282452 U CN202282452 U CN 202282452U
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- slot antenna
- antenna
- edge frame
- metal edge
- mobile phone
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Abstract
The utility model discloses a multiple-frequency slot antenna for a mobile phone with a closed metal frame, which comprises a dielectric plate, a metal frame, a radiating surface and a feed line, wherein, the dielectric layer is arranged between the radiating surface and the feed line; two slots in different lengths are formed on the radiating surface; and a first slot antenna takes the shape of a spoon, and a second slot antenna is in an inverted C shape. The top of the antenna and the slots on two sides are formed through the metal frame of the mobile phone and the dielectric plate, and the slots between the mobile phone metal decorative frame and the circuit baseplate are utilized, thereby reducing the occupied area of the antenna; and the two slot antennas share one feed point. The multiple-frequency slot antenna has the advantages of small size, simple structure and easiness in manufacturing, solves the problem that the metal frame affects the radiation performance of the antenna, and meanwhile, meets the 2G and 3G multiband requirements.
Description
Technical field
The utility model relates to a kind of single-feed multi-frequency antenna for mobile phone, especially relates to a kind of multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame.
Background technology
In recent years; Fast development along with wireless communication technology; As the mobile communication important component part, mobile phone is being played the part of more and more important role in people's routine work and life, and the quality of antenna has directly influenced the quality of handset capability in the mobile phone; Because the polytropy and the complexity of our living environment, more and more mobile phone manufacturers pay attention to the antenna for mobile phone design.And along with the development of technology and people's demand, mobile phone more and more develops to directions such as miniaturization, multifunctions, and therefore the design for terminal antenna has also proposed requirement small-sized, multiband.
For the intensity that increases mobile phone and attractive in appearance; There is a lot of mobile phone production firm to want to add closed metal finishing frame to the mobile phone edge; But because the property of antenna; It is very big to the performance impact of antenna for mobile phone to have added closed metal edge frame, and radiofrequency signal can not effectively be radiate, and can not effectively accept the signal that base station is come.Fast-selling iphone4 mobile phone, its particularity and novelty are to utilize the antenna of metal edge frame as mobile phone, but its metal edge frame breaks off, and is not a closed fully frame, can not effectively increase mobile phone intensity like this.
According to a kind of slot antenna that one piece of paper " HEXA-BAND INTERNAL PRINTED SLOT ANTENNA FOR MOBILE PHONE APPLICATION " of Chih-Hsien Wu and Kin-Lu Wong professor proposes, it comprises a pcb board carrier and is distributed in the antenna radiation unit on the pcb board carrier.Described antenna can cover the GSM850/900/DCS/PCS/UMTS communications band, but its high-frequency resonant is produced by an one pole slit, and this slit is the terminal open circuit, can not be applied to the mobile phone of closed metal outer frame.
Summary of the invention
Defective to the prior art existence; The purpose of the utility model is to provide a kind of multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame; Can satisfy the requirement of 2G, 3G frequency range simultaneously, several frequency ranges of this antenna are produced by the slot antenna of two different lengths respectively.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame; Comprise dielectric-slab, metal edge frame, radiating surface and feeder line; Said radiating surface and said feeder line therebetween are given an account of scutum to some extent; The said dielectric-slab of the closed parcel of said metal edge frame, said radiating surface have and work in the multiband wherein first slot antenna of two frequency ranges and second slot antenna that works in another one frequency range in the multiband, and said first slot antenna is " spoon " type; Said second slot antenna is " C " type; Said second slot antenna be positioned at said first slot antenna around inside, said feeder line is two slot antenna feeds simultaneously, said metal edge frame is ground connection at the earth point place.
Said first slot antenna is made up of the short slit 71,72,73,74,75,76 of six rectangles; Its width is 2mm; Said short slit 71,72,75,76 is the slit between said metal edge frame and the said dielectric-slab, and said metal edge frame is as the part of antenna.
Said second slot antenna is made up of the short slit 81,82,83,84,85 of five rectangles, and its width is 2mm, and said short slit 81 is the slit between said metal edge frame and the said dielectric-slab, and said metal edge frame is as the part of antenna.
The public feedback point of said first slot antenna and said second slot antenna.
The said first slot antenna length is 115mm; The said second slot antenna length is 70mm; The left margin in the short slit 82 of said second slot antenna, 83 lower boundary, 84 right margin respectively and the spacing between the right margin in the short slit 73 of said first slot antenna, 74 coboundary, 75 the left margin be 3mm; The spacing of the lower boundary in the coboundary in the short slit 85 of said second slot antenna and the short slit 76 of said first slot antenna is 2mm, and the coboundary in the short slit 83 of said second slot antenna is 2mm with the spacing of the lower boundary in short slit 85.
The width of said metal edge frame is 2mm.
The utility model compared with prior art has following conspicuous outstanding substantive distinguishing features and remarkable advantage:
For the mobile phone of having used closed metal finishing frame; Metal shell has very big shielding action to wireless signal; Influenced the radiation of wireless signal; To such an extent as to mobile phone can't be communicated by letter, this antenna has made full use of due slit between metal edge frame and the system circuit board, forms the part of slot antenna.This slot antenna has increased the resonant path of antenna, can produce three frequency range frequency bandwidth characteristicses, and the low-and high-frequency bandwidth can cover the GSM850/900/DCS/PCS/UMTS communications band.The antenna structure of the utility model is simple, is easy to make, and is convenient to regulate, and gain is big, can satisfy the demand of existing 2G and 3G mobile.
Description of drawings
Fig. 1 does not contain the front schematic view of dielectric layer for the utility model antenna;
Fig. 2 only contains the front schematic view of first antenna for the utility model antenna;
Fig. 3 only contains the front schematic view of second antenna for the utility model antenna;
Fig. 4 is the utility model antenna back side feeder line sketch map;
Fig. 5 is the frequency characteristic figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to describe in detail:
Like Fig. 1 and shown in Figure 4; A kind of multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame; Comprise dielectric-slab 1, metal edge frame 2, radiating surface and feeder line 9, said radiating surface and said feeder line 9 therebetween are given an account of scutum 1 to some extent, the said dielectric-slab 1 of said metal edge frame 2 closed parcels; Said radiating surface has and works in the multiband wherein first slot antenna 7 and second slot antenna 8 that works in another one frequency range in the multiband of two frequency ranges; Said first slot antenna 7 is " spoon " type, and said second slot antenna 8 is " fall C " type, said second slot antenna 8 be positioned at said first slot antenna 7 around inside; Said feeder line 9 is two slot antenna feeds simultaneously, and said metal edge frame 2 is earth point 3,4,5,6 place's ground connection.
Said first slot antenna 7 and said second slot antenna, 8 public feedback points 10.
As shown in Figures 2 and 3; Said first slot antenna 7 is made up of the short slit 71,72,73,74,75,76 of six rectangles; Its width is 2mm; Said short slit 71,72,75,76 is the slit between said metal edge frame 2 and the said dielectric-slab 1, and said metal edge frame 2 is as the part of antenna.Said second slot antenna 8 is made up of the short slit 81,82,83,84,85 of five rectangles, and its width is 2mm, and said short slit 81 is the slit between said metal edge frame 2 and the said dielectric-slab 1, and said metal edge frame 2 is as the part of antenna.
Said first slot antenna, 7 length are 115mm; Said second slot antenna, 8 length are 70mm; The left margin in the short slit 82 of said second slot antenna 8,83 lower boundary, 84 right margin respectively and the spacing between the right margin in the short slit 73 of said first slot antenna 7,74 coboundary, 75 the left margin be 3mm; The spacing of the lower boundary in the short slit 76 of the coboundary in the short slit 85 of said second slot antenna 8 and said first slot antenna 7 is 2mm, and the coboundary in the short slit 83 of said second slot antenna 8 is 2mm with the spacing of the lower boundary in short slit 85.
The width of said metal edge frame 2 is 2mm.
As shown in Figure 4, first slot antenna 7 and second slot antenna, 8 shared 50 ohm microstrip feeds, feed line is at the dielectric-slab back side.Entire antenna is in mobile phone dielectric-slab upper right side, and real estate is 38mm * 15mm.Dielectric-slab 1 employing structure is that the dielectric constant of rectangle is 4.4 FR4 material, with the part of metal edge frame 2 tops as slot antenna.As shown in Figure 5,3 resonance that motivate can cover 824MHz-960MHz at low frequency, cover 1710MHz-2170MHz at high-frequency energy, can satisfy the GSM850/900/DCS/PCS/UMTS communications band simultaneously.
Claims (6)
1. multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame; Comprise dielectric-slab (1), metal edge frame (2), radiating surface and feeder line (9); Said radiating surface and said feeder line (9) therebetween are given an account of scutum (1) to some extent; It is characterized in that; The closed parcel of said metal edge frame (2) said dielectric-slab (1), said radiating surface have second slot antenna (8) that works in the multiband first slot antenna (7) of two frequency ranges wherein and work in another one frequency range in the multiband, and said first slot antenna (7) is " spoon " type; Said second slot antenna (8) is " C " type; Said second slot antenna (8) be positioned at said first slot antenna (7) around inside, said feeder line (9) is two slot antenna feeds simultaneously, said metal edge frame (2) is located ground connection at earth point (3,4,5,6).
2. the multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame according to claim 1; It is characterized in that; Said first slot antenna (7) is made up of the short slits of six rectangles (71,72,73,74,75,76); Its width is 2mm, and said short slit (71,72,75,76) are the slit between said metal edge frame (2) and the said dielectric-slab (1), and said metal edge frame (2) is as the part of antenna.
3. the multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame according to claim 1; It is characterized in that; Said second slot antenna (8) is made up of the short slits of five rectangles (81,82,83,84,85); Its width is 2mm, and said short slit (81) is the slit between said metal edge frame (2) and the said dielectric-slab (1), and said metal edge frame (2) is as the part of antenna.
4. the multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame according to claim 1 is characterized in that, the public feedback point (10) of said first slot antenna (7) and said second slot antenna (8).
5. the multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame according to claim 1; It is characterized in that; Said first slot antenna (7) length is 115mm; Said second slot antenna (8) length is 70mm; The right margin of the left margin in the short slit (82) of said second slot antenna (8), the lower boundary of (83), (84) respectively and the spacing between the left margin of the coboundary of the right margin in the short slit (73) of said first slot antenna (7), (74), (75) be 3mm; The spacing of the lower boundary in the coboundary in the short slit (85) of said second slot antenna (8) and the short slit (76) of said first slot antenna (7) is 2mm, and the coboundary in the short slit (83) of said second slot antenna (8) is 2mm with the spacing of the lower boundary in short slit (85).
6. the multi-frequency mobile phone slot antenna that is applied to have closed metal edge frame according to claim 1 is characterized in that the width of said metal edge frame (2) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120421743 CN202282452U (en) | 2011-10-31 | 2011-10-31 | Multiple-frequency slot antenna for mobile phone with closed metal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120421743 CN202282452U (en) | 2011-10-31 | 2011-10-31 | Multiple-frequency slot antenna for mobile phone with closed metal frame |
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| Publication Number | Publication Date |
|---|---|
| CN202282452U true CN202282452U (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120421743 Expired - Fee Related CN202282452U (en) | 2011-10-31 | 2011-10-31 | Multiple-frequency slot antenna for mobile phone with closed metal frame |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009282A (en) * | 2014-06-12 | 2014-08-27 | 电子科技大学 | Seven-frequency-band intelligent mobile phone antenna based on all-metal frame |
| CN104319477A (en) * | 2014-09-18 | 2015-01-28 | 联想(北京)有限公司 | Antenna and electronic equipment |
| US8963785B2 (en) | 2012-12-27 | 2015-02-24 | Auden Techno. Corp. | Antenna structure for using with a metal frame of a mobile phone |
| CN104781986A (en) * | 2012-11-12 | 2015-07-15 | 日本电气株式会社 | Antenna and wireless communication device |
| CN105519084A (en) * | 2014-08-30 | 2016-04-20 | 华为技术有限公司 | Communication terminal |
| WO2017035730A1 (en) * | 2015-08-31 | 2017-03-09 | 华为技术有限公司 | Slot antenna and terminal device |
| CN107196043A (en) * | 2017-06-19 | 2017-09-22 | 上海传英信息技术有限公司 | A kind of antenna system of mobile terminal and the mobile terminal with the antenna system |
| CN107591613A (en) * | 2017-08-11 | 2018-01-16 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna for mobile phone suitable for totally-enclosed mobile phone metal edge frame |
| CN108206329A (en) * | 2017-10-17 | 2018-06-26 | 中兴通讯股份有限公司 | A kind of terminal |
| WO2018232677A1 (en) * | 2017-06-19 | 2018-12-27 | 上海传英信息技术有限公司 | Antenna for mobile terminal and mobile terminal having said antenna |
| CN112768876A (en) * | 2021-01-04 | 2021-05-07 | 信维创科通信技术（北京）有限公司 | 5G MIMO antenna system based on coupling feed and electronic equipment |
-
2011
- 2011-10-31 CN CN 201120421743 patent/CN202282452U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9748662B2 (en) | 2012-11-12 | 2017-08-29 | Nec Corporation | Antenna and wireless communication device |
| US10741929B2 (en) | 2012-11-12 | 2020-08-11 | Nec Corporation | Antenna and wireless communication device |
| CN104781986A (en) * | 2012-11-12 | 2015-07-15 | 日本电气株式会社 | Antenna and wireless communication device |
| CN104781986B (en) * | 2012-11-12 | 2019-07-12 | 日本电气株式会社 | Antenna and wireless telecom equipment |
| US8963785B2 (en) | 2012-12-27 | 2015-02-24 | Auden Techno. Corp. | Antenna structure for using with a metal frame of a mobile phone |
| CN104009282B (en) * | 2014-06-12 | 2016-03-23 | 电子科技大学 | Based on seven frequency range intelligent mobile phone antenna of all-metal frame |
| CN104009282A (en) * | 2014-06-12 | 2014-08-27 | 电子科技大学 | Seven-frequency-band intelligent mobile phone antenna based on all-metal frame |
| CN105519084A (en) * | 2014-08-30 | 2016-04-20 | 华为技术有限公司 | Communication terminal |
| US10680311B2 (en) | 2014-08-30 | 2020-06-09 | Huawei Technologies Co., Ltd. | Communications terminal |
| CN104319477A (en) * | 2014-09-18 | 2015-01-28 | 联想(北京)有限公司 | Antenna and electronic equipment |
| WO2017035730A1 (en) * | 2015-08-31 | 2017-03-09 | 华为技术有限公司 | Slot antenna and terminal device |
| CN107196043A (en) * | 2017-06-19 | 2017-09-22 | 上海传英信息技术有限公司 | A kind of antenna system of mobile terminal and the mobile terminal with the antenna system |
| WO2018232677A1 (en) * | 2017-06-19 | 2018-12-27 | 上海传英信息技术有限公司 | Antenna for mobile terminal and mobile terminal having said antenna |
| CN107196043B (en) * | 2017-06-19 | 2020-11-06 | 上海传英信息技术有限公司 | Antenna system of mobile terminal and mobile terminal with antenna system |
| CN107591613A (en) * | 2017-08-11 | 2018-01-16 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna for mobile phone suitable for totally-enclosed mobile phone metal edge frame |
| CN108206329A (en) * | 2017-10-17 | 2018-06-26 | 中兴通讯股份有限公司 | A kind of terminal |
| CN112768876A (en) * | 2021-01-04 | 2021-05-07 | 信维创科通信技术（北京）有限公司 | 5G MIMO antenna system based on coupling feed and electronic equipment |
| CN112768876B (en) * | 2021-01-04 | 2023-02-14 | 信维创科通信技术（北京）有限公司 | 5G MIMO antenna system based on coupling feed and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20121031 |