CN105322295A - Multi-frequency antenna for mobile terminal and electronic equipment employing multi-frequency antenna - Google Patents
Multi-frequency antenna for mobile terminal and electronic equipment employing multi-frequency antenna Download PDFInfo
- Publication number
- CN105322295A CN105322295A CN201510379377.7A CN201510379377A CN105322295A CN 105322295 A CN105322295 A CN 105322295A CN 201510379377 A CN201510379377 A CN 201510379377A CN 105322295 A CN105322295 A CN 105322295A
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- China
- Prior art keywords
- antenna
- branch road
- radiant body
- loop
- metal floor
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to the field of mobile communication, and provides a multi-frequency antenna for a mobile terminal. The multi-frequency antenna comprises a metal floor, a first antenna loop and at least one second antenna loop. The embodiment of the invention further provides electronic equipment. According to the multi-frequency antenna, sharing utilization of an optimal radiator is achieved through a plurality of antenna loops; the hardware space is saved; meanwhile, the problem that a plurality of frequencies cannot coexist when an antenna switch is adopted is solved; the multi-band compatibility is achieved; and a good radiation effect is reached.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of multifrequency antenna for mobile terminal and electronic equipment thereof.
Background technology
At present, mobile terminal is more and more miniaturized, multifrequency, proposes stern challenge to the design of antenna.Common antenna realizes double frequency or multifrequency all needs corresponding antenna branch, high to the space requirement of cabling.Along with the minimizing of antenna space, the particularly appearance of metal edge frame mobile phone, usually has the radiant body of or branched cabling to need the space utilizing relative radiation poor, can not ensure that all frequency ranges have more satisfactory radiance.If utilize switching technique, although best space can be utilized, can not ensure again to work simultaneously, exist and use restriction.
Summary of the invention
For solving the above-mentioned problems in the prior art, the embodiment of the present invention provides a kind of multifrequency antenna for mobile terminal on the one hand, and this antenna comprises metal floor, first day line loop and at least one the second antenna loop;
First day line loop comprises feed, radiant body and the first branch road, and feed connects first end and the metal floor of radiant body, and the first branch road connects the second end and the metal floor of radiant body; First end and the second end are positioned at radiant body two ends relative in the longitudinal direction;
Second antenna loop comprises the second branch road, preset on second branch road connection radiant body and metal floor, preset is between first end and the second end, and the second antenna loop and first day line loop share feed, and shares the radiant body between first end and preset;
Second branch road is provided with resonance matching element, for the operating frequency of tuned antenna.
On the other hand, the embodiment of the present invention additionally provides a kind of electronic equipment, comprises above-mentioned antenna.
The embodiment of the present invention, by the shared utilization of multiple antenna loop to optimum radiation body, saves hardware space, solves when adopting duplexer that multifrequency can not coexistent problem simultaneously, achieves the compatibility of multiband, reaches good radiation effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, 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 structural representation of the first embodiment of the multifrequency antenna for mobile terminal of the present invention;
Fig. 2 is the emulation standing wave pattern of the antenna structure in the first embodiment of the multifrequency antenna for mobile terminal of the present invention;
Fig. 3 is the structural representation of the second embodiment of the multifrequency antenna for mobile terminal of the present invention;
Fig. 4 is the structural representation of the 3rd embodiment of the multifrequency antenna for mobile terminal of the present invention.
Fig. 5 is the structural representation of the embodiment of electronic equipment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1, be the structural representation of the first embodiment of the multifrequency antenna for mobile terminal of the present invention, this antenna 100 comprises: metal floor 110, first day line loop 120 and at least one the second antenna loop 130 (Fig. 1 is for two).
Metal floor 110 can be platen bracket or pcb board etc. mainly.First day line loop 120 comprises feed 121, radiant body 122 and the first branch road 123, and feed 121 connects the second end 1222 and the metal floor 110 that the first end 1221 of radiant body 122 and metal floor 110, first branch road 123 connect radiant body; First end 1221 is positioned at radiant body 122 two ends relative in the longitudinal direction with the second end 1222.
Second antenna loop 130 comprises the second branch road 131, second branch road 131 connects preset A on radiant body 122 and metal floor 110, preset A is between first end 1221 and the second end 1222, second antenna loop 130 shares feed 121 with first day line loop 120, and shares the radiant body between first end 1221 and preset A.The position of preset A can be arranged flexibly according to the demand of tuned frequency and hardware environment.
Second branch road 131 is provided with resonance matching element 132, for the operating frequency of tuned antenna.
Second antenna loop 130 can be one or more, and by configuring the difference of resonance matching element each on antenna loop, each antenna loop at least can support a frequency range, therefore can realize the covering of multiband.Fig. 2 is the emulation standing wave pattern of the antenna structure can supporting three frequency ranges in the present embodiment, the covering that this antenna structure adopts a first day line loop, second antenna loop realizes three frequency ranges, these three frequency ranges are respectively GPS, WiFi2.4G and WiFi5G.First day line loop is for supporting WiFi2.4G frequency range, and the second antenna loop is for supporting GPS and WiFi5G frequency range, and wherein the standing wave of WiFi5G make use of 3 frequencys multiplication of the intrinsic cavity of the second antenna loop.
Resonance matching element 132 can be parallel connection or the tandem compound of lamped element; Can be integrated frequency-selective devices, such as band pass filter; Can be the combination of equivalent inductance for being formed by microstrip line and electric capacity; It can be also the combination of coupling capacitance and the lamped element formed by microstrip line.Lamped element can be the element such as electric capacity or inductance.
Antenna structure in the present embodiment, can be used in the mobile terminal of the metal edge frame structure with not breakpoint, also can be used in the mobile terminal of nonmetal border structure.
In the present embodiment, the second end of radiant body is also connected by grounding leg (not shown) with between metal floor.Like this, the resonant element near feed can be saved, simplify circuit design.
The embodiment of the present invention, by the shared utilization of multiple antenna loop to optimum radiation body, saves hardware space, solves when adopting duplexer that multifrequency can not coexistent problem simultaneously, achieves the compatibility of multiband, reaches good radiation effect.
Fig. 3 is the structural representation of the second embodiment of the multifrequency antenna for mobile terminal of the present invention.
This antenna 200, on the basis of the multifrequency antenna shown in Fig. 1, is also provided with lamped element 210 on the first leg, such as electric capacity or inductance, for dynamically changing the electrical length of radiant body.
The embodiment of the present invention, can realize the operating frequency of auxiliary tuning antenna, meets the demand of different hardware environment.
Fig. 4 is the structural representation of the 3rd embodiment of the multifrequency antenna for mobile terminal of the present invention.
This antenna, on the basis of the multifrequency antenna shown in Fig. 1, the second branch road is formed with coupling capacitance 310 near the part of radiant body by increasing cabling branch road.
The embodiment of the present invention, by arranging coupling capacitance 310, the large I of this coupling capacitance 310 is arranged flexibly, can replace the fixed capacity in resonant element 132 in Fig. 1, improve the flexibility of design.
Fig. 5 is the structural representation of the embodiment of electronic equipment of the present invention.Electronic equipment 400 comprises any one antenna in above-described embodiment.Repeat no more herein.
The foregoing is only preferred embodiment of the present invention, be not intended to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. for a multifrequency antenna for mobile terminal, it is characterized in that, described antenna comprises metal floor, first day line loop and at least one the second antenna loop;
Described first day line loop comprises feed, radiant body and the first branch road, and described feed connects the first end of described radiant body and described metal floor, and described first branch road connects the second end of described radiant body and described metal floor; Described first end and the second end are positioned at described radiant body two ends relative in the longitudinal direction;
Described second antenna loop comprises the second branch road, described second branch road connects preset on described radiant body and described metal floor, described preset is between described first end and described second end, described second antenna loop and first day line loop share feed, and share the radiant body between described first end and described preset;
Described second branch road is provided with resonance matching element, for the operating frequency of tuning described antenna.
2. antenna as claimed in claim 1, it is characterized in that, described first branch road is provided with lamped element, for the operating frequency of antenna described in auxiliary tuning.
3. antenna as claimed in claim 1, is characterized in that, described second branch road is formed with coupling capacitance near the part of radiant body by increasing cabling branch road.
4. antenna as claimed in claim 1, it is characterized in that, the second end of described radiant body is also connected by grounding leg with between metal floor.
5. the antenna as described in any one of claim 1-4, is characterized in that, described resonance matching element is parallel connection or the tandem compound of lamped element.
6. the antenna as described in any one of claim 1-4, is characterized in that, described resonance matching element is integrated frequency-selective devices.
7. the antenna as described in any one of claim 1-4, is characterized in that, described resonance matching element is the combination of equivalent inductance and the electric capacity formed by microstrip line.
8. the antenna as described in any one of claim 1-4, is characterized in that, described resonance matching element is the combination of coupling capacitance and the lamped element formed by microstrip line.
9. an electronic equipment, is characterized in that, described electronic equipment comprises the antenna as described in any one of claim 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510379377.7A CN105322295A (en) | 2015-06-30 | 2015-06-30 | Multi-frequency antenna for mobile terminal and electronic equipment employing multi-frequency antenna |
| PCT/CN2016/080938 WO2017000655A1 (en) | 2015-06-30 | 2016-05-04 | Multi-band antenna used in mobile terminal, and electronic apparatus comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510379377.7A CN105322295A (en) | 2015-06-30 | 2015-06-30 | Multi-frequency antenna for mobile terminal and electronic equipment employing multi-frequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105322295A true CN105322295A (en) | 2016-02-10 |
Family
ID=55249213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510379377.7A Pending CN105322295A (en) | 2015-06-30 | 2015-06-30 | Multi-frequency antenna for mobile terminal and electronic equipment employing multi-frequency antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105322295A (en) |
| WO (1) | WO2017000655A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000655A1 (en) * | 2015-06-30 | 2017-01-05 | 维沃移动通信有限公司 | Multi-band antenna used in mobile terminal, and electronic apparatus comprising same |
| CN107069198A (en) * | 2017-01-19 | 2017-08-18 | 瑞声科技(新加坡)有限公司 | Multiband MEMS antenna systems |
| CN108400450A (en) * | 2018-01-30 | 2018-08-14 | 努比亚技术有限公司 | A kind of antenna structure and mobile terminal |
| CN108631048A (en) * | 2018-04-20 | 2018-10-09 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN108886197A (en) * | 2016-10-10 | 2018-11-23 | 华为技术有限公司 | A kind of wearable device |
| CN109216895A (en) * | 2018-09-29 | 2019-01-15 | 维沃移动通信有限公司 | A kind of antenna structure |
| CN109728406A (en) * | 2018-12-24 | 2019-05-07 | 瑞声精密制造科技(常州)有限公司 | Antenna system and electronic equipment |
| CN112204814A (en) * | 2018-06-29 | 2021-01-08 | 谷歌有限责任公司 | Wearable device with antenna plated on high permittivity housing material |
| WO2021025483A1 (en) * | 2019-08-06 | 2021-02-11 | 삼성전자 주식회사 | Electronic device including antenna |
| CN117559126A (en) * | 2024-01-11 | 2024-02-13 | 成都瑞迪威科技有限公司 | Self-electric-size multi-frequency adjustable radiator and multi-frequency multi-mode monopole antenna |
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| CN105322295A (en) * | 2015-06-30 | 2016-02-10 | 维沃移动通信有限公司 | Multi-frequency antenna for mobile terminal and electronic equipment employing multi-frequency antenna |
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- 2015-06-30 CN CN201510379377.7A patent/CN105322295A/en active Pending
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| CN1714471A (en) * | 2002-11-18 | 2005-12-28 | 株式会社友华 | Antenna for a plurality of bands |
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| EP2182577A1 (en) * | 2008-10-30 | 2010-05-05 | Laird Technologies AB | An antenna device, an antenna system and a portable radio communication device comprising such an antenna device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017000655A1 (en) * | 2015-06-30 | 2017-01-05 | 维沃移动通信有限公司 | Multi-band antenna used in mobile terminal, and electronic apparatus comprising same |
| CN108886197A (en) * | 2016-10-10 | 2018-11-23 | 华为技术有限公司 | A kind of wearable device |
| CN107069198A (en) * | 2017-01-19 | 2017-08-18 | 瑞声科技(新加坡)有限公司 | Multiband MEMS antenna systems |
| CN108400450A (en) * | 2018-01-30 | 2018-08-14 | 努比亚技术有限公司 | A kind of antenna structure and mobile terminal |
| CN108631048A (en) * | 2018-04-20 | 2018-10-09 | Oppo广东移动通信有限公司 | Antenna module and electronic device |
| CN112204814A (en) * | 2018-06-29 | 2021-01-08 | 谷歌有限责任公司 | Wearable device with antenna plated on high permittivity housing material |
| CN109216895A (en) * | 2018-09-29 | 2019-01-15 | 维沃移动通信有限公司 | A kind of antenna structure |
| CN109728406A (en) * | 2018-12-24 | 2019-05-07 | 瑞声精密制造科技(常州)有限公司 | Antenna system and electronic equipment |
| WO2021025483A1 (en) * | 2019-08-06 | 2021-02-11 | 삼성전자 주식회사 | Electronic device including antenna |
| US11916585B2 (en) | 2019-08-06 | 2024-02-27 | Samsung Electronics Co., Ltd | Electronic device including antenna |
| CN117559126A (en) * | 2024-01-11 | 2024-02-13 | 成都瑞迪威科技有限公司 | Self-electric-size multi-frequency adjustable radiator and multi-frequency multi-mode monopole antenna |
| CN117559126B (en) * | 2024-01-11 | 2024-03-29 | 成都瑞迪威科技有限公司 | Self-electric-size multi-frequency adjustable radiator and multi-frequency multi-mode monopole antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017000655A1 (en) | 2017-01-05 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160210 |
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| RJ01 | Rejection of invention patent application after publication |