CN107579340A - A kind of antenna - Google Patents
A kind of antenna Download PDFInfo
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- CN107579340A CN107579340A CN201710860440.8A CN201710860440A CN107579340A CN 107579340 A CN107579340 A CN 107579340A CN 201710860440 A CN201710860440 A CN 201710860440A CN 107579340 A CN107579340 A CN 107579340A
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- antenna
- feed point
- inductance
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Abstract
The invention discloses a kind of antenna, including：Antenna holder and antenna radiator, the antenna radiator includes inductance, electric feed point and ground feed point, the inductance, the electric feed point and described ground feed point are arranged side by side, the inductance and the line of described ground feed point be arranged in parallel with the cabling on the antenna holder, and the distance of the inductance and the line of described ground feed point is adjustable.Using the embodiment of the present invention, the radiation efficiency of antenna can be not only ensured, and has widened low frequency bandwidth.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of antenna.
Background technology
With the popularization of LTE (Long Term Evolution, Long Term Evolution) technology, the bandwidth of support required for antenna
Also it is more and more wider.But requirement of the user to electronic equipment outward appearance simultaneously also becomes higher so that electronic equipment increasingly minimizes,
It is lightening.In the case, the day space of lines of electronic equipment is also being gradually compressed, and the space of antenna and bandwidth are substantially into just
Than therefore, into a problem if realizing broader bandwidth in smaller day space of lines.
Current antenna for mobile phone is divided into external and built-in two kinds, and built-in mobile phone antenna is placed in interior of mobile phone, such as IFA
(Inverted-F Antenna, inverse-F antenna) type antenna, wherein PIFA (Planner Inverted F-shaped
Antenna, plane inverse-F shape) type antenna structure is simple, be hardly damaged and causes mobile phone good appearance, thus progressively instead of outer
Put double-frequency mobile phone antenna and be used widely.As shown in Figure 1 be prior art IFA antennas, including antenna holder 4,
The antenna radiator 1 being connected with antenna holder, the antenna radiator 1 include being connected on antenna radiator 1 and being arranged side by side
Current feed department 2 and grounding parts 3.IFA is converted by most widely used microstrip antenna.As microstrip antenna, it has
Many merits, such as low cost, in light weight, processing is simple, easy for installation and mutually compatible with integrated circuit.But IFA have and it is micro-
The shortcomings that band antenna is the same is exactly narrow bandwidth.The shortcomings that this is fatal prevents IFA from meeting the needs of Modern Communication System, institute
It is current urgent problem to be solved to expand IFA bandwidth.
The content of the invention
The present invention provides a kind of antenna.The radiation efficiency of antenna can be not only ensured, and has widened low frequency bandwidth.
First aspect present invention provides a kind of antenna, including：Antenna holder and antenna radiator, the aerial radiation
Body includes inductance, electric feed point and ground feed point, and the inductance, the electric feed point and described ground feed point are arranged side by side, the electricity
Feel and being be arranged in parallel with the line of described ground feed point with the cabling on the antenna holder, the inductance and the line of described ground feed point
Distance it is adjustable.
With reference in a first aspect, in the first possible implementation of first aspect, described ground feed point is located at the electricity
Between feed point and the inductance.
With reference in a first aspect, in second of possible implementation of first aspect, the inductance is presented positioned at the electricity
Between point and described ground feed point.
With reference in a first aspect, in the third possible implementation of first aspect, when prolonging in the range of preset length
The long inductance and the line of described ground feed point apart from when, increase the swept area of the antenna radiator to widen radiation zone
It is wide.
With reference in a first aspect, in the 4th kind of possible implementation of first aspect, when prolonging in the range of preset length
The long inductance and the line of described ground feed point apart from when, reduce the inductance value of the antenna radiator over the ground, and then reduction
Radiation impedance is to improve radiation efficiency.
With reference in a first aspect, and first aspect the first to the 4th kind of possible implementation, in first aspect
In 5th kind of possible implementation, the connected mode of the electric feed point includes being fed directly into, couples feed-in or matching device feedback
Enter.
With reference to the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation of first aspect
In, the inductance is controllable impedance.
With reference to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of first aspect
In, the inductance is used for when the distance for adjusting the inductance and the line of described ground feed point causes radiation bandwidth or radiation efficiency to reach
During to maximum, the radiation bandwidth or radiation efficiency are further finely adjusted.
Implement the embodiment of the present invention, inductance, electric feed point and ground feed point are arranged side by side, inductance and the line and day of ground feed point
Cabling on line bracket be arranged in parallel, and the distance of inductance and the line of ground feed point is adjustable.It is electric when extending in the range of preset length
Sense with ground feed point line apart from when, increase the swept area of antenna radiator to widen radiation bandwidth, and reduce antenna
The inductance value of radiant body over the ground, and then reduce radiation impedance to improve radiation efficiency.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is IFA antennas a kind of in the prior art provided by the invention；
Fig. 2 is a kind of structural representation of the first embodiment for antenna that the embodiment of the present invention proposes；
Fig. 3 is a kind of structural representation of the second embodiment for antenna that the embodiment of the present invention proposes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Fig. 2 is refer to, Fig. 2 is a kind of structural representation of the first embodiment for antenna that the embodiment of the present invention proposes.Such as
Shown in figure, the antenna radiator includes inductance, electric feed point and ground feed point, the inductance, the electric feed point and described
Feed point is arranged side by side, and the inductance and the line of described ground feed point be arranged in parallel with the cabling on the antenna holder, the electricity
Sense is adjustable with the distance a of the line of described ground feed point.Described ground feed point is between the electric feed point and the inductance.
Specifically, when the line for extending the inductance and described ground feed point in the range of preset length apart from when, increase
The swept area of the antenna radiator is to widen radiation bandwidth；When extend in the range of preset length the inductance with it is described
The line of feed point apart from when, reduce the inductance value of the antenna radiator over the ground, and then reduce radiation impedance to improve radiation
Efficiency.
Optionally, the connected mode of the electric feed point includes being fed directly into, couples feed-in or matching device feed-in.
Optionally, the inductance is controllable impedance.Specifically, when adjust the inductance and the line of described ground feed point away from
During from make it that radiation bandwidth or radiation efficiency reach maximum, can further it be finely adjusted by inductance.
In embodiments of the present invention, inductance, electric feed point and ground feed point are arranged side by side, inductance and the line and day of ground feed point
Cabling on line bracket be arranged in parallel, and the distance of inductance and the line of ground feed point is adjustable.It is electric when extending in the range of preset length
Sense with ground feed point line apart from when, increase the swept area of antenna radiator to widen radiation bandwidth, and reduce antenna
The inductance value of radiant body over the ground, and then reduce radiation impedance to improve radiation efficiency.
Fig. 3 is refer to, Fig. 3 is a kind of structural representation of the second embodiment for antenna that the embodiment of the present invention proposes.Such as
Shown in figure, the antenna radiator includes inductance, electric feed point and ground feed point, the inductance, the electric feed point and described
Feed point is arranged side by side, and the inductance and the line of described ground feed point be arranged in parallel with the cabling on the antenna holder, the electricity
Sense is adjustable with the distance a of the line of described ground feed point.The inductance is between the electric feed point and described ground feed point.
Specifically, when the line for extending the inductance and described ground feed point in the range of preset length apart from when, increase
The swept area of the antenna radiator is to widen radiation bandwidth；When extend in the range of preset length the inductance with it is described
The line of feed point apart from when, reduce the inductance value of the antenna radiator over the ground, and then reduce radiation impedance to improve radiation
Efficiency.
Optionally, the connected mode of the electric feed point includes being fed directly into, couples feed-in or matching device feed-in.
Optionally, the inductance is controllable impedance.Specifically, when adjust the inductance and the line of described ground feed point away from
During from make it that radiation bandwidth or radiation efficiency reach maximum, can further it be finely adjusted by inductance.
In embodiments of the present invention, inductance, electric feed point and ground feed point are arranged side by side, inductance and the line and day of ground feed point
Cabling on line bracket be arranged in parallel, and the distance of inductance and the line of ground feed point is adjustable.It is electric when extending in the range of preset length
Sense with ground feed point line apart from when, increase the swept area of antenna radiator to widen radiation bandwidth, and reduce antenna
The inductance value of radiant body over the ground, and then reduce radiation impedance to improve radiation efficiency.
It should be noted that for foregoing each embodiment of the method, in order to be briefly described, therefore it is all expressed as to a system
The combination of actions of row, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because
For according to the present invention, certain some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, involved action and module not necessarily this hair
Necessary to bright.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and is not described in some embodiment
Part, may refer to the associated description of other embodiment.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English
Text：Random Access Memory, referred to as：RAM), disk or CD etc..
The content download method and relevant device that are there is provided above the embodiment of the present invention, system are described in detail,
Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is simply used
Understand the method and its core concept of the present invention in help；Meanwhile for those of ordinary skill in the art, according to the present invention's
Thought, there will be changes in specific embodiments and applications, in summary, this specification content should not be construed as
Limitation of the present invention.
Claims (8)
1. a kind of antenna, the antenna includes antenna holder and antenna radiator, and the antenna radiator includes inductance, electricity feedback
Point and ground feed point, it is characterised in that the inductance, the electric feed point and described ground feed point are arranged side by side, the inductance and
The line of described ground feed point be arranged in parallel with the cabling on the antenna holder, the line of the inductance and described ground feed point away from
From adjustable.
2. antenna as claimed in claim 1, it is characterised in that described ground feed point be located at the electric feed point and the inductance it
Between.
3. antenna as claimed in claim 1, it is characterised in that the inductance be located at the electric feed point and described ground feed point it
Between.
4. antenna as claimed in claim 1, it is characterised in that when extend in the range of preset length the inductance with it is described
The line of feed point apart from when, increase the swept area of the antenna radiator to widen radiation bandwidth.
5. antenna as claimed in claim 1, it is characterised in that when extend in the range of preset length the inductance with it is described
The line of feed point apart from when, reduce the inductance value of the antenna radiator over the ground, and then reduce radiation impedance to improve radiation
Efficiency.
6. antenna as claimed in any one of claims 1 to 5, wherein, it is characterised in that the connected mode of the electric feed point includes straight
Connect feed-in, coupling feed-in or matching device feed-in.
7. antenna as claimed in any one of claims 1 to 5, wherein, it is characterised in that the inductance is controllable impedance.
8. antenna as claimed in claim 7, it is characterised in that the inductance is used for when the regulation inductance and described ground feed point
The distance of line when make it that radiation bandwidth or radiation efficiency reach maximum, it is further to the radiation bandwidth or radiation efficiency
It is finely adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860440.8A CN107579340B (en) | 2015-04-08 | 2015-04-08 | Antenna |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860440.8A CN107579340B (en) | 2015-04-08 | 2015-04-08 | Antenna |
| CN201510164951.7A CN104810607B (en) | 2015-04-08 | 2015-04-08 | A kind of antenna |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164951.7A Division CN104810607B (en) | 2015-04-08 | 2015-04-08 | A kind of antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107579340A true CN107579340A (en) | 2018-01-12 |
| CN107579340B CN107579340B (en) | 2022-01-25 |
Family
ID=53695244
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164951.7A Active CN104810607B (en) | 2015-04-08 | 2015-04-08 | A kind of antenna |
| CN201710860440.8A Active CN107579340B (en) | 2015-04-08 | 2015-04-08 | Antenna |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164951.7A Active CN104810607B (en) | 2015-04-08 | 2015-04-08 | A kind of antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104810607B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000216621A (en) * | 1999-01-21 | 2000-08-04 | Murata Mfg Co Ltd | Surface mounting antenna and communication equipment using the same |
| CN101043102A (en) * | 2006-03-14 | 2007-09-26 | 美国博通公司 | Planar inverted-f antenna |
| US20090027275A1 (en) * | 2007-07-26 | 2009-01-29 | Jia-Hung Su | Antenna structure |
| CN102509882A (en) * | 2011-11-26 | 2012-06-20 | 苏州佳世达电通有限公司 | Antenna device |
| JP2013197624A (en) * | 2012-03-15 | 2013-09-30 | Fujitsu Ltd | Radio communication device and its antenna |
| CN103367874A (en) * | 2012-04-06 | 2013-10-23 | 宏碁股份有限公司 | Communicator |
| CN103700922A (en) * | 2012-09-27 | 2014-04-02 | 财团法人工业技术研究院 | Communication device and method for designing antenna element thereof |
| CN104037502A (en) * | 2013-03-06 | 2014-09-10 | 华硕电脑股份有限公司 | Tunable Antenna |
| CN104396086A (en) * | 2014-03-28 | 2015-03-04 | 华为终端有限公司 | Antenna and mobile terminal |
| CN104466372A (en) * | 2013-09-22 | 2015-03-25 | 中兴通讯股份有限公司 | Multi-band antenna and terminal |
| CN104466394A (en) * | 2013-09-12 | 2015-03-25 | 启碁科技股份有限公司 | Broadband antenna |
-
2015
- 2015-04-08 CN CN201510164951.7A patent/CN104810607B/en active Active
- 2015-04-08 CN CN201710860440.8A patent/CN107579340B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000216621A (en) * | 1999-01-21 | 2000-08-04 | Murata Mfg Co Ltd | Surface mounting antenna and communication equipment using the same |
| CN101043102A (en) * | 2006-03-14 | 2007-09-26 | 美国博通公司 | Planar inverted-f antenna |
| US20090027275A1 (en) * | 2007-07-26 | 2009-01-29 | Jia-Hung Su | Antenna structure |
| CN102509882A (en) * | 2011-11-26 | 2012-06-20 | 苏州佳世达电通有限公司 | Antenna device |
| JP2013197624A (en) * | 2012-03-15 | 2013-09-30 | Fujitsu Ltd | Radio communication device and its antenna |
| CN103367874A (en) * | 2012-04-06 | 2013-10-23 | 宏碁股份有限公司 | Communicator |
| CN103700922A (en) * | 2012-09-27 | 2014-04-02 | 财团法人工业技术研究院 | Communication device and method for designing antenna element thereof |
| CN104037502A (en) * | 2013-03-06 | 2014-09-10 | 华硕电脑股份有限公司 | Tunable Antenna |
| CN104466394A (en) * | 2013-09-12 | 2015-03-25 | 启碁科技股份有限公司 | Broadband antenna |
| CN104466372A (en) * | 2013-09-22 | 2015-03-25 | 中兴通讯股份有限公司 | Multi-band antenna and terminal |
| CN104396086A (en) * | 2014-03-28 | 2015-03-04 | 华为终端有限公司 | Antenna and mobile terminal |
Non-Patent Citations (2)
| Title |
|---|
| DALIA. NASHAAT. ELSHEAKH等: "Four Arms Spiral Ground of MPA with Different Feed Techniques for Size Reduction and Multi-Band Operation", 《2011 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION》 * |
| 刘菊华等: "一种新型定频波束可调微带漏波天线的仿真研究", 《电波科学学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104810607B (en) | 2017-10-17 |
| CN107579340B (en) | 2022-01-25 |
| CN104810607A (en) | 2015-07-29 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: No.18, Wusha Haibin Road, Chang'an Town, Dongguan City, Guangdong Province Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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