CN103474786A - Mobile terminal antenna and mobile terminal - Google Patents
Mobile terminal antenna and mobile terminal Download PDFInfo
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- CN103474786A CN103474786A CN2013104817483A CN201310481748A CN103474786A CN 103474786 A CN103474786 A CN 103474786A CN 2013104817483 A CN2013104817483 A CN 2013104817483A CN 201310481748 A CN201310481748 A CN 201310481748A CN 103474786 A CN103474786 A CN 103474786A
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- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention is suitable for the technical field of electronic equipments, and provides a mobile terminal antenna and a mobile terminal. The mobile terminal antenna can comprise two groups of antennas and a balance-unbalance converter, wherein the two groups of antennas are opposite in arrangement direction; two antenna feed points of the two groups of antennas are respectively connected with two balance ports of the balance-unbalance converter; the non-balance end of the balance-unbalance converter is connected with a radio-frequency circuit of the mobile terminal; the balance-unbalance converter finishes conversion of a balanced signal and an unbalanced signal between the antennas and the radio-frequency circuit. By adopting the mobile terminal provided by the invention, the demands of a PIFA (planar inverted F-shaped antenna) on a clear height space can be greatly reduced; narrow-edge design is achieved.
Description
Technical field
The invention belongs to electronic technology field, relate in particular to a kind of mobile terminal antenna and mobile terminal.
Background technology
In prior art, the antenna for mobile phone form is divided into two kinds substantially, and a kind of is PIFA antenna (Planar Inverted F-Shaped Antenna, inverse-F antenna), and another kind is unipole antenna.The PIFA antenna volume is larger, and the quiet high spatial of certain altitude need to be arranged, and requires mobile phone thickness thicker; Because screen is little, battery is little, enough height are arranged than functional mobile phone early, use the PIFA antenna more.And the smart mobile phone of current trend, screen is large, battery capacity is also large, thereby there is no sufficient space design PIFA antenna, uses unipole antenna more, but unipole antenna needs enough large headroom, smart mobile phone is reserved the headroom of non-display area as antenna for mobile phone above or below mobile phone.With reference to Fig. 1, it is traditional PI FA antenna model.Figure comprises antenna 100, Mobile terminal main board 0000, antenna feed point 111, and this H is antenna height simultaneously.
The mobile terminals such as current widely used smart mobile phone are plastic casing substantially, and screen is increasing, the more and more thinner trend that become of thickness, and Antenna Design has become bottleneck.If need further to increase the user, experience, the mobile terminals such as smart mobile phone are cancelled non-display area, surrounding narrow limit design, and antenna scheme possibly can't realize.
Summary of the invention
Main purpose of the present invention is to provide a kind of mobile terminal antenna, is intended to solve the limited problem of existing mobile terminal antenna height design, makes the design of narrow limit become possibility.
The present invention proposes a kind of mobile terminal antenna, comprising: two groups of antennas that a pair of orientation is contrary and balun;
Two antenna feed point of described two groups of antennas are connected with two balance ports of balun respectively; The non-equilibrium end of described balun is connected with the radio circuit of mobile terminal; Described balun completes the conversion of balanced signal and non-equilibrium signal between antenna and radio circuit.
Further, described balun is converted to by the balanced signal of antenna reception the radio circuit that non-equilibrium signal sends to mobile terminal; And, the non-equilibrium signal of radio circuit is converted to balanced signal and exports to antenna transmission.
The signal amplitude of receive in described two groups of antennas further ,/emission equates, single spin-echo.
Further, described antenna is arranged at the mobile terminal case surface; The outer casing thickness of described mobile terminal is as the clear height space of antenna.
Further, described two groups of antennas, printing is arranged in 180 degree or approximate 180 degree, and the antenna feed point of two groups of antennas is in centre position.
Further, the point of feedback over the ground of described two groups of antennas unites two into one.
Further, feedback point in the ground of described two groups of antennas is connected with the mobile terminal ground wire.
Further, described two groups of antennas are respectively " saying " font PIFA antenna.
The present invention also proposes a kind of mobile terminal, is provided with mobile terminal antenna, and described mobile terminal antenna comprises: two groups of antennas that a pair of orientation is contrary and balun;
Two antenna feed point of described two groups of antennas are connected with two balance ports of balun respectively; The non-equilibrium end of described balun is connected with the radio circuit of mobile terminal; Described balun completes the conversion of balanced signal and non-equilibrium signal between antenna and radio circuit.
Further, described balun is converted to by the balanced signal of antenna reception the radio circuit that non-equilibrium signal sends to mobile terminal; And, the non-equilibrium signal of radio circuit is converted to balanced signal and exports to antenna transmission.
The signal amplitude of receive in described two groups of antennas further ,/emission equates, single spin-echo.
Further, described antenna is arranged at the mobile terminal case surface; The outer casing thickness of described mobile terminal is as the clear height space of antenna.
Further, described two groups of antennas, printing is arranged in 180 degree or approximate 180 degree, and the antenna feed point of two groups of antennas is in centre position.
Further, the point of feedback over the ground of described two groups of antennas unites two into one.
Further, feedback point in the ground of described two groups of antennas is connected with the mobile terminal ground wire.
Further, described two groups of antennas are respectively " saying " font PIFA antenna.
Mobile terminal antenna of the present invention, can greatly reduce the requirement of PIFA antenna to the clear height space, can utilize LDS technique for the big screen intelligent mobile phone, antenna is installed on to the plastic back shell outer surface of mobile phone, utilize the thickness of mobile phone battery cover and mesochite as the clear height space, not needing is the Antenna Design clear height specially, so can cancel the non-display area of big screen intelligent mobile phone, realizes four limit narrow limit designs.
The accompanying drawing explanation
Fig. 1 is the structural representation of PIFA antenna in prior art;
Fig. 2 is the structural representation of mobile terminal antenna in one embodiment of the invention;
Fig. 3 is the side schematic view of antenna in mobile terminal antenna one instantiation in one embodiment of the invention;
Fig. 4 is the schematic top plan view of antenna in mobile terminal antenna one instantiation in one embodiment of the invention;
Fig. 5 is the structural representation of mobile terminal antenna in another embodiment of the present invention;
Fig. 6 is PIFA antenna performance simulation result contrast schematic diagram in one embodiment of the invention mobile terminal antenna and prior art.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
With reference to Fig. 2, a kind of mobile terminal antenna of the embodiment of the present invention can comprise: two groups of antennas 10 that a pair of orientation is contrary and 20 and balun 30; These two groups of antennas 10 are connected with two balance ports 31,32 of balun 30 respectively with 22 with two antenna feed point 11 of 20; The non-equilibrium end 33 of this balun 30 is connected with the radio circuit of mobile terminal; This balun 30 completes the conversion of balanced signal and non-equilibrium signal between antenna and radio circuit.Above-mentioned balun 30 is converted to by the balanced signal of antenna reception the radio circuit that non-equilibrium signal sends to mobile terminal; And, the non-equilibrium signal of radio circuit is converted to balanced signal and exports to antenna transmission.Above-mentioned mobile terminal can be the communication terminals such as smart mobile phone, panel computer.
Fig. 3 and Fig. 4, in an instantiation of the present invention, the side schematic view that Fig. 3 is antenna in this example, the schematic top plan view that Fig. 4 is antenna in this example.This mobile terminal can be the big screen intelligent mobile phone, and the shell of this smart mobile phone is plastic cement material, and above-mentioned antenna is arranged at the case surface of this intelligent terminal.Can use LDS(Laser-Direct-structuring, laser direct forming in this example) technique, can, on the plastic casing of smart mobile phone moulding, utilize the laser technology directly on support, to change plating and form metal antenna.The outer casing thickness of this smart mobile phone can be used as the clear height space (clear height) of antenna.
Above-mentioned two groups of antennas can be respectively " saying " font PIFA antenna, these two groups of " saying " font PIFA antennas 10 and 20 are printed on the drain pan outer surface of smart mobile phone, two groups of antenna direction antennas are contrary, near and do not join, the antenna feed point 11,22 of two groups of antennas and ground feedback point 12 are in centre position, and two groups of antenna feed point 11,22 are positioned at two antennas mutually near near place.Balun 30(Ba Lun is housed in smart mobile phone mainboard 00, scheme not shown), two balance ports 31,32 of this balance/unbalance are received respectively antenna feed point 11 and 22, the non-equilibrium end 33 of this balun 30 connects the radio circuit (RF circuit) of smart mobile phone mainboard 00, and the ground of this smart mobile phone mainboard 00 connects the ground feedback point 12 of two antennas.The non-equilibrium signal of this smart mobile phone emission is converted to balanced signal through balun 30 and is transported to antenna feed point 11 and 22 emissions; Two antennas 10 and 20 receiving balance signals, be converted to non-equilibrium signal by balun 30 and send smart mobile phone mainboard 00 to; The signal amplitude of receive in these two groups of antennas/emission equates, single spin-echo.
Above-mentioned two groups of antennas, be arranged in 180 degree or approximate 180 degree by LDS technique in the printing of smart mobile phone shell, the antenna feed point of two groups of antennas, present point in the centre position of two groups of PIFA antennas, due to the ground feedback put very close to, can be multiplexing, unite two into one.(with reference to Fig. 5)
With reference to Fig. 6, it is PIFA antenna performance simulation result contrast schematic diagram in the antenna of the present embodiment and prior art.01( in figure) be the bandwidth of PIFA antenna in prior art, 02
for the bandwidth of antenna in this example, in the situation that antenna clear height identical (clear height is all h, sees figures.1.and.2), the beamwidth of antenna of the present invention is that the traditional PI FA beamwidth of antenna is more than one times.
Above-mentioned mobile terminal antenna, can greatly reduce the requirement of PIFA antenna to the clear height space, can utilize LDS technique for the big screen intelligent mobile phone, antenna is installed on to the plastic back shell outer surface of mobile phone, utilize the thickness of mobile phone battery cover and mesochite as the clear height space, not needing is the Antenna Design clear height specially, so can cancel the non-display area of big screen intelligent mobile phone, realizes four limit narrow limit designs.
One embodiment of the invention provides a kind of mobile terminal, is provided with mobile terminal antenna (with reference to Fig. 2), and this mobile terminal antenna comprises: two groups of antennas 10 that a pair of orientation is contrary and 20 and balun 30; These two groups of antennas 10 are connected with two balance ports 31,32 of balun 30 respectively with 22 with two antenna feed point 11 of 20; The non-equilibrium end 33 of this balun 30 is connected with the radio circuit of mobile terminal; This balun 30 completes the conversion of balanced signal and non-equilibrium signal between antenna and radio circuit.Above-mentioned balun 30 is converted to by the balanced signal of antenna reception the radio circuit that non-equilibrium signal sends to mobile terminal; And, the non-equilibrium signal of radio circuit is converted to balanced signal and exports to antenna transmission.Above-mentioned mobile terminal can be the communication terminals such as smart mobile phone, panel computer.
Fig. 3 and Fig. 4, in an instantiation of the present invention, the side schematic view that Fig. 3 is antenna in this example, the schematic top plan view that Fig. 4 is antenna in this example.This mobile terminal can be the big screen intelligent mobile phone, and the shell of this smart mobile phone is plastic cement material, and above-mentioned antenna is arranged at the case surface of this intelligent terminal.Can use LDS(Laser-Direct-structuring, laser direct forming in this example) technique, can, on the plastic casing of smart mobile phone moulding, utilize the laser technology directly on support, to change plating and form metal antenna.The outer casing thickness of this smart mobile phone can be used as the clear height space (clear height) of antenna.
Above-mentioned two groups of antennas can be respectively " saying " font PIFA antenna, these two groups of " saying " font PIFA antennas 10 and 20 are printed on the drain pan outer surface of smart mobile phone, two groups of antenna direction antennas are contrary, near and do not join, the antenna feed point 11,22 of two groups of antennas and ground feedback point 12 are in centre position, and two groups of antenna feed point 11,22 are positioned at two antennas mutually near near place.Balun 30(Ba Lun is housed in smart mobile phone mainboard 00, scheme not shown), two balance ports 31,32 of this balun 30 are received respectively antenna feed point 11 and 22, the non-equilibrium end 33 of this balun 30 connects the radio circuit (RF circuit) of smart mobile phone mainboard 00, and the ground of this smart mobile phone mainboard 00 connects the ground feedback point 12 of two antennas.The non-equilibrium signal of this smart mobile phone emission is converted to balanced signal through balun 30 and is transported to antenna feed point 11 and 22 emissions; Two antennas 10 and 20 receiving balance signals, be converted to non-equilibrium signal by balun 30 and send smart mobile phone mainboard 00 to; The signal amplitude of receive in these two groups of antennas/emission equates, single spin-echo.
Above-mentioned two groups of antennas, be arranged in 180 degree or approximate 180 degree by LDS technique in the printing of smart mobile phone shell, the antenna feed point of two groups of antennas, present point in the centre position of two groups of PIFA antennas, due to the ground feedback put very close to, can be multiplexing, unite two into one.(with reference to Fig. 5)
With reference to Fig. 6, it is PIFA antenna performance simulation result contrast schematic diagram in the antenna of the present embodiment and prior art.01( in figure) be the bandwidth of PIFA antenna in prior art, 02
for the bandwidth of antenna in this example, in the situation that antenna clear height identical (clear height is all h, sees figures.1.and.2), the beamwidth of antenna of the present invention is that the traditional PI FA beamwidth of antenna is more than one times.
Above-mentioned mobile terminal is by arranging mobile terminal antenna, can greatly reduce the requirement of PIFA antenna to the clear height space, can utilize LDS technique for the big screen intelligent mobile phone, antenna is installed on to the plastic back shell outer surface of mobile phone, utilize the thickness of mobile phone battery cover and mesochite as the clear height space, not needing is the Antenna Design clear height specially, so can cancel the non-display area of big screen intelligent mobile phone, realizes four limit narrow limit designs.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a mobile terminal antenna, is characterized in that, comprising: two groups of antennas that a pair of orientation is contrary and balun;
Two antenna feed point of described two groups of antennas are connected with two balance ports of balun respectively; The non-equilibrium end of described balun is connected with the radio circuit of mobile terminal; Described balun completes the conversion of balanced signal and non-equilibrium signal between antenna and radio circuit.
2. mobile terminal antenna according to claim 1, is characterized in that, described balun is converted to by the balanced signal of antenna reception the radio circuit that non-equilibrium signal sends to mobile terminal; And, the non-equilibrium signal of radio circuit is converted to balanced signal and exports to antenna transmission.
3. mobile terminal antenna according to claim 1, is characterized in that, the signal amplitude of receive in described two groups of antennas/emission equates, single spin-echo.
4. according to the described mobile terminal antenna of any one in claims 1 to 3, it is characterized in that, described antenna is arranged at the mobile terminal case surface; The outer casing thickness of described mobile terminal is as the clear height space of antenna.
5. mobile terminal antenna according to claim 4, is characterized in that, described two groups of antennas, and printing is arranged in 180 degree or approximate 180 degree, and the antenna feed point of two groups of antennas is in centre position.
6. mobile terminal antenna according to claim 5, is characterized in that, the point of feedback over the ground of described two groups of antennas unites two into one.
7. mobile terminal antenna according to claim 5, is characterized in that, the ground feedback point of described two groups of antennas is connected with the mobile terminal ground wire.
8. according to the described mobile terminal antenna of any one in claims 1 to 3, it is characterized in that, described two groups of antennas are respectively " saying " font PIFA antenna.
9. a mobile terminal, be provided with mobile terminal antenna, it is characterized in that, described mobile terminal antenna comprises: two groups of antennas that a pair of orientation is contrary and balun;
Two antenna feed point of described two groups of antennas are connected with two balance ports of balun respectively; The non-equilibrium end of described balun is connected with the radio circuit of mobile terminal; Described balun completes the conversion of balanced signal and non-equilibrium signal between antenna and radio circuit.
10. mobile terminal according to claim 9, is characterized in that, described mobile terminal antenna mobile terminal antenna as described as any one in claim 2 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481748.3A CN103474786B (en) | 2013-10-15 | 2013-10-15 | Mobile terminal antenna and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310481748.3A CN103474786B (en) | 2013-10-15 | 2013-10-15 | Mobile terminal antenna and mobile terminal |
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| Publication Number | Publication Date |
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| CN103474786A true CN103474786A (en) | 2013-12-25 |
| CN103474786B CN103474786B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310481748.3A Expired - Fee Related CN103474786B (en) | 2013-10-15 | 2013-10-15 | Mobile terminal antenna and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015196550A1 (en) * | 2014-06-23 | 2015-12-30 | 中兴通讯股份有限公司 | Lds antenna and manufacturing method and apparatus therefor |
| CN105934851A (en) * | 2014-01-08 | 2016-09-07 | 高通股份有限公司 | Quasi-yagi-type antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01279607A (en) * | 1988-05-06 | 1989-11-09 | Hitachi Ltd | Antenna for radio equipment |
| CN1308382A (en) * | 1999-10-18 | 2001-08-15 | 松下电器产业株式会社 | Antenna of the same technology and for both radio communication and portable radio device |
| JP2007195001A (en) * | 2006-01-20 | 2007-08-02 | Kuurii Components Kk | Planar antenna |
| CN101080850A (en) * | 2005-02-01 | 2007-11-28 | 安蒂诺瓦有限公司 | Balanced-unbalanced antennas |
| CN201515006U (en) * | 2009-09-25 | 2010-06-23 | 中兴通讯股份有限公司 | FM internal antenna for mobile terminals |
| CN202058863U (en) * | 2011-03-22 | 2011-11-30 | 佳邦科技股份有限公司 | An antenna structure that can be balanced with the receiving system |
-
2013
- 2013-10-15 CN CN201310481748.3A patent/CN103474786B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01279607A (en) * | 1988-05-06 | 1989-11-09 | Hitachi Ltd | Antenna for radio equipment |
| CN1308382A (en) * | 1999-10-18 | 2001-08-15 | 松下电器产业株式会社 | Antenna of the same technology and for both radio communication and portable radio device |
| CN101080850A (en) * | 2005-02-01 | 2007-11-28 | 安蒂诺瓦有限公司 | Balanced-unbalanced antennas |
| JP2007195001A (en) * | 2006-01-20 | 2007-08-02 | Kuurii Components Kk | Planar antenna |
| CN201515006U (en) * | 2009-09-25 | 2010-06-23 | 中兴通讯股份有限公司 | FM internal antenna for mobile terminals |
| CN202058863U (en) * | 2011-03-22 | 2011-11-30 | 佳邦科技股份有限公司 | An antenna structure that can be balanced with the receiving system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105934851A (en) * | 2014-01-08 | 2016-09-07 | 高通股份有限公司 | Quasi-yagi-type antenna |
| WO2015196550A1 (en) * | 2014-06-23 | 2015-12-30 | 中兴通讯股份有限公司 | Lds antenna and manufacturing method and apparatus therefor |
| CN105322274A (en) * | 2014-06-23 | 2016-02-10 | 中兴通讯股份有限公司 | LDS antenna, LDS antenna manufacturing method and LDS antenna manufacturing apparatus |
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| Publication number | Publication date |
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| CN103474786B (en) | 2016-06-01 |
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Address after: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant after: NUBIA TECHNOLOGY Co.,Ltd. Address before: A District No. 9018 Han innovation building in Nanshan District high tech Zone in Shenzhen city of Guangdong Province, North Central Avenue, 518000 floor 10 Applicant before: SHENZHEN ZTE MOBILE TELECOM Co.,Ltd. |
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