CN104466361A - Mobile phone and antenna thereof - Google Patents
Mobile phone and antenna thereof Download PDFInfo
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- CN104466361A CN104466361A CN201410757201.6A CN201410757201A CN104466361A CN 104466361 A CN104466361 A CN 104466361A CN 201410757201 A CN201410757201 A CN 201410757201A CN 104466361 A CN104466361 A CN 104466361A
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 2
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention belongs to the field of mobile terminals, and provides a mobile phone and an antenna thereof. The antenna comprises a feed end, a low-pass filter, a low-frequency antenna radiating unit, a switch unit, at least one inductor and a complete machine metal ground. The feed end is connected with the input end of the low-pass filter, the output end of the low-pass filter is connected with a first end of the low-frequency antenna radiating unit, a second end of the low-frequency antenna radiating unit is connected with the input end of the switch unit, a first end of each inductor is connected with the output end of the switch unit, and a second end of each inductor is connected with the complete machine metal ground. The switch unit adjusts the low-frequency resonant frequency of the antenna by gating the different inductors, the high frequency and low frequency are separated to be adjusted independently in a coupling feed mode, the effect of low-frequency reconstruction on the high frequency during readjusting is avoided, and different antenna loops are formed by switching the different inductors through the switch unit so that the purpose that a 4G low-frequency band is covered with a plurality of resonant frequencies can be achieved.
Description
Technical field
The invention belongs to field of mobile terminals, particularly relate to a kind of mobile phone and antenna thereof.
Background technology
Along with the arrival in 4G epoch, LTE (Long Term Evolution, Long Term Evolution) not a concept but a trend, due to the increase of 4G bandwidth, requirement for mobile terminal antenna is also significantly improved relative to 3G, the requirement particularly relating to broad band low frequency covering is difficult to realize more, on mobile phone, how to design the antenna that simultaneously can cover low frequency 704 to 960MHz and high frequency 1710 to 2690MHz is a very large challenge, solution of the prior art generally switches earth point by RF transducer or match circuit achieves covering LTE frequency range, these schemes can change the resonance frequency of low-and high-frequency simultaneously and affect the performance of mobile phone, in sum, exist in prior art and switch earth point or match circuit by RF transducer and realize covering the problem that LTE frequency range causes affecting handset capability.
Summary of the invention
The object of the present invention is to provide a kind of mobile phone and antenna thereof, switch earth point or match circuit by RF transducer and realize covering to solve in prior art to exist the problem that LTE frequency range causes affecting handset capability.
The invention provides a kind of antenna, described antenna comprises feed end, low pass filter, low-frequency antenna radiating element, switch element, at least one inductance and complete machine metal ground;
Described feed end connects the input of described low pass filter, the output of described low pass filter connects the first end of described low-frequency antenna radiating element, second end of described low-frequency antenna radiating element connects the input of described switch element, the first end of each inductance connects an output of described switch element, and the second end of each inductance described connects described complete machine metal ground;
Described switch element by the different inductance of gating to adjust the low-frequency resonant frequency of described antenna.
At least one inductance described comprises the first inductance, the second inductance, the 3rd inductance and the 4th inductance;
The first end of described first inductance connects the first output of described switch element, second end of described first inductance connects described complete machine metal ground, the first end of described second inductance connects the second output of described switch element, second end of described second inductance connects described complete machine metal ground, the first end of described 3rd inductance connects the 3rd output of described switch element, second end of described 3rd inductance connects described complete machine metal ground, the first end of described 4th inductance connects the 4th output of described switch element, second end of described 4th inductance connects described complete machine metal ground.
Described switch element is hilted broadsword four throw switch, and four contacts of described hilted broadsword four throw switch are respectively the first output of described switch element, the second output, the 3rd output and the 4th output.
Described antenna also comprises circuit board, described low pass filter, described low-frequency antenna radiating element, described switch element and at least one inductance described are arranged on the side of described circuit board, described feed end is arranged on the opposite side of described circuit board, described circuit board is provided with via hole, and described feed end exports electric feed signal by described via hole to described low pass filter.
Described antenna also comprises high frequency antenna radiating element, connector and complete machine metal ground;
Described feed end, described high frequency antenna radiating element, described connector and described complete machine metal ground forms high frequency antenna loop, and described connector forms different high-frequency resonant frequencies when connecting the diverse location on described complete machine metal ground.
Described high frequency antenna radiating element comprises the first high frequency antenna radiating element and the second high frequency antenna radiating element, described first high frequency antenna radiating element and described second high frequency antenna radiating element are separately positioned on the both sides of described circuit board, and form capacitive coupling by described circuit board, described first high frequency antenna radiating element connects described connector, and described second high frequency antenna radiating element connects described feed end.
Described antenna also comprises third high antenna radiation unit frequently, and described third high frequently antenna radiation unit connects described second high frequency antenna radiating element.
Another object of the present invention is also to provide a kind of mobile phone, and it is built-in with above-mentioned antenna.
The invention provides a kind of mobile phone and antenna thereof, by the mode of couple feed, low-and high-frequency is separately debugged respectively, impact on high frequency when avoiding debugging restructural low frequency again, to avoid equally when debugging high frequency the impact of low frequency thus simplify debugging, make debugging more effective, in addition, impact on low frequency when reducing debugging high frequency further by series connection low pass filter, and switch different inductance by switch element and form different antenna loops to realize obtaining multiple resonance frequency covering 4G low frequency frequency range.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, 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 a kind of antenna that the embodiment of the present invention provides;
Fig. 2 is the structural representation of a kind of antenna that the another kind of embodiment of the present invention provides;
Fig. 3 is the structural representation of a kind of antenna that the another kind of embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, 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, be not intended to limit the present invention.
In order to technical scheme of the present invention is described, be described below by specific embodiment.
A kind of antenna of the embodiment of the present invention, refer to Fig. 1, comprise feed end 101, low pass filter 102, low-frequency antenna radiating element 103, switch element 104, at least one inductance and complete machine metal ground 105, feed end 101 connects the input of low pass filter 102, the output of low pass filter 102 connects the first end of low-frequency antenna radiating element 103, the input of the second end connecting valve unit 104 of low-frequency antenna radiating element 103, an output of the first end connecting valve unit 104 of each inductance, second end of each inductance connects complete machine metal ground 105, switch element 104 passes through the different inductance of gating to adjust the low-frequency resonant frequency of antenna.
For low pass filter 102, what it can be that discrete component forms also can be the low pass filter 102 of distributive constitution, resonance frequency is probably at 1GHz, it act as: first, separate high frequency to low-frequency effects by this low pass low pass filter 102, the coupling reducing low-and high-frequency makes low-and high-frequency independently open simultaneously; The second, the electrical length of low frequency can be increased to reduce the volume needed for antenna.
For inductance, comprise the inductance of multiple different value, these inductance and low-frequency antenna radiation fin connect and compose an antenna loop, and the electrical length changing antenna by switching different induction value changes low-frequency resonant frequency, thus covers the whole frequency range of 4G low frequency and do not affect high-frequency resonant.
In the present embodiment, concrete, at least one inductance comprises the first inductance, the second inductance, the 3rd inductance and the 4th inductance; First output of the first end connecting valve unit 104 of the first inductance, second end of the first inductance connects complete machine metal ground 105, second output of the first end connecting valve unit 104 of the second inductance, second end of the second inductance connects complete machine metal ground 105,3rd output of the first end connecting valve unit 104 of the 3rd inductance, second end of the 3rd inductance connects complete machine metal ground 105,4th output of the first end connecting valve unit 104 of the 4th inductance, the second end of the 4th inductance connects complete machine metal ground 105.
For switch element 104, it is for the different inductance of gating, and switch element can carry out work by the signal receiving control module, also can be undertaken selecting different inductance by manual debugging.In the present embodiment, preferably, switch element 104 is hilted broadsword four throw switch, and four contacts of hilted broadsword four throw switch are respectively the first output of switch element 104, the second output, the 3rd output and the 4th output.
Further, antenna also comprises circuit board, low pass filter 102, low-frequency antenna radiating element 103, switch element 104 and at least one inductance are arranged on the side of circuit board, feed end 101 is arranged on the opposite side of circuit board, circuit board is provided with via hole, and feed end 101 exports electric feed signal by via hole to low pass filter 102.
Further, antenna also comprises high frequency antenna radiating element, connector 121 and complete machine metal ground 105; Feed end 101, high frequency antenna radiating element, connector 121 and complete machine metal ground 105 forms high frequency antenna loop, and connector 121 forms different high-frequency resonant frequencies when connecting the diverse location on complete machine metal ground 105.
Concrete, high frequency antenna radiating element comprises the first high frequency antenna radiating element 122 and the second high frequency antenna radiating element 123, first high frequency antenna radiating element 122 and the second high frequency antenna radiating element 123 are separately positioned on the both sides of circuit board, and form capacitive coupling by circuit board, first high frequency antenna radiating element 122 connects connector 121, and the second high frequency antenna radiating element 123 connects feed end 101.
Further, antenna also comprises third high antenna radiation unit 124 frequently, and third high frequently antenna radiation unit 124 connects the second high frequency antenna radiating element 123.
In the present embodiment, first high frequency antenna radiating element 122 and the second high frequency antenna radiating element 123 separate the electric capacity of equivalent string 0.1 a to 0.5pF by the thickness of PWB, and form a couple feed high frequency antenna, second high frequency antenna radiating element 123 and third high frequently antenna radiation unit 124 are printed on PWB, first high frequency antenna radiating element 122 designs on support or D-cover, by being connected with connector 121, wherein connector 121 to be printed on PWB and ground connection, such first high frequency antenna radiating element 122, second high frequency antenna radiating element 123 and third high frequently antenna radiation unit 124 just form a couple feed IFA antenna, change the position-adjustable high frequency bandwidth of connector 121 ground connection, in addition, coupling capacitance amount can be changed thus the resonance frequency of adjustable high frequency and bandwidth by the position shape adjusting the second high frequency antenna radiating element 123, by resonance frequency and the bandwidth of the position length adjustable high frequency of adjustment third high frequency antenna radiation unit 124.
The another kind of embodiment of the present invention provides a kind of mobile phone, comprises above-mentioned built-in antenna of mobile phone.
The invention provides a kind of mobile phone and antenna thereof, by the mode of couple feed, low-and high-frequency is separately debugged respectively, impact on high frequency when avoiding debugging restructural low frequency again, to avoid equally when debugging high frequency the impact of low frequency thus simplify debugging, make debugging more effective, in addition, impact on low frequency when reducing debugging high frequency further by series connection low pass filter, and switch different inductance by switch element and form different antenna loops to realize obtaining multiple resonance frequency covering 4G low frequency frequency range.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; make some equivalent alternative or obvious modification without departing from the inventive concept of the premise; and performance or purposes identical, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (8)
1. an antenna, is characterized in that, described antenna comprises feed end, low pass filter, low-frequency antenna radiating element, switch element, at least one inductance and complete machine metal ground;
Described feed end connects the input of described low pass filter, the output of described low pass filter connects the first end of described low-frequency antenna radiating element, second end of described low-frequency antenna radiating element connects the input of described switch element, the first end of each inductance connects an output of described switch element, and the second end of each inductance described connects described complete machine metal ground;
Described switch element by the different inductance of gating to adjust the low-frequency resonant frequency of described antenna.
2. antenna as claimed in claim 1, it is characterized in that, at least one inductance described comprises the first inductance, the second inductance, the 3rd inductance and the 4th inductance;
The first end of described first inductance connects the first output of described switch element, second end of described first inductance connects described complete machine metal ground, the first end of described second inductance connects the second output of described switch element, second end of described second inductance connects described complete machine metal ground, the first end of described 3rd inductance connects the 3rd output of described switch element, second end of described 3rd inductance connects described complete machine metal ground, the first end of described 4th inductance connects the 4th output of described switch element, second end of described 4th inductance connects described complete machine metal ground.
3. antenna as claimed in claim 2, it is characterized in that, described switch element is hilted broadsword four throw switch, and four contacts of described hilted broadsword four throw switch are respectively the first output of described switch element, the second output, the 3rd output and the 4th output.
4. antenna as claimed in claim 1, it is characterized in that: described antenna also comprises circuit board, described low pass filter, described low-frequency antenna radiating element, described switch element and at least one inductance described are arranged on the side of described circuit board, described feed end is arranged on the opposite side of described circuit board, described circuit board is provided with via hole, and described feed end exports electric feed signal by described via hole to described low pass filter.
5. antenna as claimed in claim 4, is characterized in that: described antenna also comprises high frequency antenna radiating element, connector and complete machine metal ground;
Described feed end, described high frequency antenna radiating element, described connector and described complete machine metal ground forms high frequency antenna loop, and described connector forms different high-frequency resonant frequencies when connecting the diverse location on described complete machine metal ground.
6. antenna as claimed in claim 5, it is characterized in that: described high frequency antenna radiating element comprises the first high frequency antenna radiating element and the second high frequency antenna radiating element, described first high frequency antenna radiating element and described second high frequency antenna radiating element are separately positioned on the both sides of described circuit board, and form capacitive coupling by described circuit board, described first high frequency antenna radiating element connects described connector, and described second high frequency antenna radiating element connects described feed end.
7. antenna as claimed in claim 6, is characterized in that: described antenna also comprises third high antenna radiation unit frequently, and described third high frequently antenna radiation unit connects described second high frequency antenna radiating element.
8. a mobile phone, is characterized in that, described embedded in mobile phone is just like the antenna described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757201.6A CN104466361B (en) | 2014-12-10 | 2014-12-10 | A kind of mobile phone and its antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757201.6A CN104466361B (en) | 2014-12-10 | 2014-12-10 | A kind of mobile phone and its antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466361A true CN104466361A (en) | 2015-03-25 |
| CN104466361B CN104466361B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410757201.6A Expired - Fee Related CN104466361B (en) | 2014-12-10 | 2014-12-10 | A kind of mobile phone and its antenna |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852152A (en) * | 2015-04-03 | 2015-08-19 | 广东欧珀移动通信有限公司 | Antenna and electronic equipment |
| CN104901000A (en) * | 2015-05-14 | 2015-09-09 | 广东欧珀移动通信有限公司 | Coupled-feeding reconfigurable antenna and manufacturing method |
| CN105609969A (en) * | 2016-02-22 | 2016-05-25 | 深圳市金立通信设备有限公司 | Communication terminal |
| CN105870629A (en) * | 2016-05-23 | 2016-08-17 | 广东欧珀移动通信有限公司 | Terminal antenna and intelligent terminal |
| CN107196063A (en) * | 2017-05-24 | 2017-09-22 | 北京小米移动软件有限公司 | Anneta module and its control method and electronic equipment |
| WO2018232679A1 (en) * | 2017-06-19 | 2018-12-27 | 上海传英信息技术有限公司 | Antenna and control method of mobile terminal, and mobile terminal having said antenna |
| CN110797661A (en) * | 2018-08-01 | 2020-02-14 | 青岛海信移动通信技术股份有限公司 | Terminal antenna and terminal |
| CN113437512A (en) * | 2021-06-25 | 2021-09-24 | 歌尔科技有限公司 | Antenna device and portable electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203466294U (en) * | 2013-08-22 | 2014-03-05 | 深圳富泰宏精密工业有限公司 | Adjustable antenna and wireless communication device therewith |
| CN203850426U (en) * | 2014-05-28 | 2014-09-24 | 惠州硕贝德无线科技股份有限公司 | Antenna of communication device equipped with metallic back cover |
| CN203910955U (en) * | 2014-04-11 | 2014-10-29 | 广东欧珀移动通信有限公司 | Mobile phone and antenna thereof |
-
2014
- 2014-12-10 CN CN201410757201.6A patent/CN104466361B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203466294U (en) * | 2013-08-22 | 2014-03-05 | 深圳富泰宏精密工业有限公司 | Adjustable antenna and wireless communication device therewith |
| CN203910955U (en) * | 2014-04-11 | 2014-10-29 | 广东欧珀移动通信有限公司 | Mobile phone and antenna thereof |
| CN203850426U (en) * | 2014-05-28 | 2014-09-24 | 惠州硕贝德无线科技股份有限公司 | Antenna of communication device equipped with metallic back cover |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852152A (en) * | 2015-04-03 | 2015-08-19 | 广东欧珀移动通信有限公司 | Antenna and electronic equipment |
| CN104901000A (en) * | 2015-05-14 | 2015-09-09 | 广东欧珀移动通信有限公司 | Coupled-feeding reconfigurable antenna and manufacturing method |
| CN104901000B (en) * | 2015-05-14 | 2018-07-06 | 广东欧珀移动通信有限公司 | A kind of couple feed reconfigurable antenna and manufacturing method |
| CN105609969A (en) * | 2016-02-22 | 2016-05-25 | 深圳市金立通信设备有限公司 | Communication terminal |
| CN105870629A (en) * | 2016-05-23 | 2016-08-17 | 广东欧珀移动通信有限公司 | Terminal antenna and intelligent terminal |
| CN107196063A (en) * | 2017-05-24 | 2017-09-22 | 北京小米移动软件有限公司 | Anneta module and its control method and electronic equipment |
| WO2018232679A1 (en) * | 2017-06-19 | 2018-12-27 | 上海传英信息技术有限公司 | Antenna and control method of mobile terminal, and mobile terminal having said antenna |
| CN110797661A (en) * | 2018-08-01 | 2020-02-14 | 青岛海信移动通信技术股份有限公司 | Terminal antenna and terminal |
| CN113437512A (en) * | 2021-06-25 | 2021-09-24 | 歌尔科技有限公司 | Antenna device and portable electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466361B (en) | 2018-03-30 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523841 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180330 |