CN104810607B - A kind of antenna - Google Patents
A kind of antenna Download PDFInfo
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- CN104810607B CN104810607B CN201510164951.7A CN201510164951A CN104810607B CN 104810607 B CN104810607 B CN 104810607B CN 201510164951 A CN201510164951 A CN 201510164951A CN 104810607 B CN104810607 B CN 104810607B
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- feed point
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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 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 supported 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 is basic into just with bandwidth
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 cause 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 includes 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, lightweight, processing are simple, easy for installation and mutually compatible with integrated circuit.But IFA has and micro-
It is exactly narrow bandwidth with the same shortcoming of antenna.The need for this fatal shortcoming prevents IFA from meeting 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
The line felt with described ground feed point be arranged in parallel 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 located at the electricity feedback
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, the swept area of the increase antenna radiator is 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.
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.When the extension electricity in the range of preset length
Sense and the line of ground feed point 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, being used required 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 the IFA antennas a kind of in the prior art that the present invention is provided；
Fig. 2 is a kind of structural representation of the first embodiment for antenna that the embodiment of the present invention is proposed；
Fig. 3 is a kind of structural representation of the second embodiment for antenna that the embodiment of the present invention is proposed.
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 is described, it is clear that described embodiment is a part of embodiment of the 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 is proposed.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 apart from a with the line of described ground feed point.Described ground feed point is located 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.When the extension electricity in the range of preset length
Sense and the line of ground feed point 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 is proposed.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 apart from a with the line of described ground feed point.The inductance is located 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.When the extension electricity in the range of preset length
Sense and the line of ground feed point 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 each foregoing embodiment of the method, in order to be briefly described, therefore it is all expressed as to one it is
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 be carried out sequentially or simultaneously using other.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 to use
Understand the method and its core concept of the present invention in help；Simultaneously for those of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, in summary, and this specification content should not be construed as
Limitation of the present invention.
Claims (4)
1. a kind of antenna, the antenna includes antenna holder and antenna radiator, 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, when extend in the range of preset length the inductance and the line of described ground feed point apart from when, the increase antenna
The swept area of radiant body reduces spoke to widen radiation bandwidth and/or reduce the inductance value of the antenna radiator over the ground
Impedance is penetrated to improve radiation efficiency, the inductance is controllable impedance, for when the line for adjusting the inductance and described ground feed point
Distance when make it that radiation bandwidth and/or radiation efficiency reach maximum, traveling one is entered to the radiation bandwidth or radiation efficiency
Step fine setting.
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. the antenna as described in claims 1 to 3 any one, 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.
Priority Applications (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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164951.7A CN104810607B (en) | 2015-04-08 | 2015-04-08 | A kind of antenna |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710860440.8A Division CN107579340B (en) | 2015-04-08 | 2015-04-08 | Antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104810607A CN104810607A (en) | 2015-07-29 |
| CN104810607B true CN104810607B (en) | 2017-10-17 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710860440.8A Active CN107579340B (en) | 2015-04-08 | 2015-04-08 | Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104810607B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3663951B2 (en) * | 1999-01-21 | 2005-06-22 | 株式会社村田製作所 | Surface mount antenna and communication device using the same |
| US7969361B2 (en) * | 2006-03-14 | 2011-06-28 | Broadcom Corporation | Planar inverted-F antenna |
| US7728783B2 (en) * | 2007-07-26 | 2010-06-01 | Cheng Uei Precision Industry Co., Ltd. | 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 |
| CN103367874B (en) * | 2012-04-06 | 2016-08-03 | 宏碁股份有限公司 | Communicator |
| 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 |
| CN104396086B (en) * | 2014-03-28 | 2016-09-28 | 华为终端有限公司 | A kind of antenna and mobile terminal |
-
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107579340B (en) | 2022-01-25 |
| CN104810607A (en) | 2015-07-29 |
| CN107579340A (en) | 2018-01-12 |
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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 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., Ltd. |