CN104092004A - Antenna structure - Google Patents
Antenna structure Download PDFInfo
- Publication number
- CN104092004A CN104092004A CN201310109563.XA CN201310109563A CN104092004A CN 104092004 A CN104092004 A CN 104092004A CN 201310109563 A CN201310109563 A CN 201310109563A CN 104092004 A CN104092004 A CN 104092004A
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- resonant structure
- antenna
- connecting portion
- gap
- grounding parts
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- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention provides an antenna structure. The antenna structure comprises a circuit board and an antenna which is formed on the circuit board. The antenna comprises a grounding part, a feed-in part, a connecting part, a first resonance part and a second resonance part, wherein the grounding part and the feed-in part are respectively used for grounding and signal feed-in. The feed-in part is formed by extending the grounding part. A gap is surrounded by the feed-in part and the grounding part. The first resonance part and the second resonance part are connected with the grounding part and the feed-in part through the connecting part. A first interval is surrounded by the first resonance part, the connecting part and the grounding part. A second interval is surrounded by the second resonance part, the connecting part and the feed-in part. By adjusting the size of the first interval and the gap, the first resonance part is used for transmitting and receiving the signal of a first working frequency band. By adjusting the size of the second interval, the second resonance part is used for transmitting and receiving the signal of a second working frequency band.
Description
Technical field
The present invention relates to a kind of antenna structure, relate in particular to a kind of Double-frequency antenna structure of supporting bluetooth and WiFi function.
Background technology
Along with the fast development of communication system, radio communication device is as also more and more diversified in the function of mobile phone, panel computer, and bluetooth and WiFi function have become one of basic configuration of radio communication device.Accordingly, radio communication device need have the antenna structure of supporting bluetooth and WiFi function.
Existing antenna structure generally comprises circuit board and antenna, this antenna comprises grounding parts and the feeding portion in order to ground connection and signal feed-in respectively, because radio communication device is toward light, thin future development, making antenna structure above-mentioned functions, also needs foregoing circuit plate and antenna to take the less space of radio communication device except supporting.How under the prerequisite that does not increase radio communication device volume, to make antenna support of wireless communication device greater functionality, become the challenge of Ge Jia antenna manufacturer maximum.
Meanwhile, for reducing radio communication device manufacturing cost, improve product competitiveness in the market, the forming process of manufacturer's General Requirements antenna structure is simple, is easy to produce.
Summary of the invention
For the problems referred to above, be necessary to provide a kind of being easy to manufacture and the less antenna structure that takes up room.
A kind of antenna structure, this antenna structure comprises circuit board and is formed at the antenna of this circuit board, this antenna comprises grounding parts and the feeding portion in order to ground connection and signal feed-in respectively, this antenna structure also comprises connecting portion, the first resonant structure and the second resonant structure, this feeding portion is extended to form by this grounding parts, and the two encloses formation breach, this first resonant structure and this second resonant structure are connected to this grounding parts and this feeding portion by this connecting portion, this first resonant structure and this connecting portion and this grounding parts enclose and form the first gap, this second resonant structure and this connecting portion and feeding portion enclose and form the second gap, by regulating the size of this first gap and this breach to make this first resonant structure for receiving and dispatching the signal of the first working frequency range, by regulating the size in this second gap to make this second resonant structure for receiving and dispatching the signal of the second working frequency range.
Antenna structure of the present invention is directly directly formed at antenna on circuit board, take up room less, cost is low, and reach bluetooth and 2.4GHz WiFi working frequency range by the first resonant structure, breach, the first gap resonance, reach 5GHz WiFi working frequency range by this second resonant structure, the second gap resonance.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the antenna structure of preferred embodiments of the present invention.
Fig. 2 is the return loss schematic diagram of the antenna structure shown in Fig. 1.
Fig. 3 is the voltage standing wave ratio of the antenna structure shown in Fig. 1.
Main element symbol description
| Antenna structure | 100 |
| Circuit board | 10 |
| Antenna | 20 |
| Grounding parts | 21 |
| Long limit | 211 |
| Minor face | 212 |
| Feeding portion | 22 |
| Extension | 221 |
| Feed side | 222 |
| Connecting portion | 23 |
| The first resonant structure | 24 |
| The second resonant structure | 25 |
| Breach | 26 |
| The first gap | 27 |
| The second gap | 28 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, preferred embodiments of the present invention provides a kind of antenna structure 100, and it is applied in the radio communication device such as mobile phone, panel computer (not shown), for transmitting/receiving wireless signal of communication.
This antenna structure 100 comprises circuit board 10 and antenna 20.The mainboard that this circuit board 10 is radio communication device.This antenna 20 is formed at circuit board 10 by the mode of printing, and manufacture process is simple, be easy to produce, and can reduce manufacturing cost.
This antenna 20 comprises grounding parts 21, feeding portion 22, connecting portion 23, the first resonant structure 24 and the second resonant structure 25.This feeding portion 22 is extended to form by this grounding parts 21, and between the two, form breach 26, this first resonant structure 24 and this second resonant structure 25 are connected to this grounding parts 21 and this feeding portion 22 by this connecting portion 23, this first resonant structure 24 forms the first gap 27 with this connecting portion 23 and this grounding parts 21, and this second resonant structure 25 forms the second gap 28 with this connecting portion 23 and feeding portion 22.This first resonant structure 24 forms the first working frequency range with breach 26, the first gap 27 resonance, and this second resonant structure 25 forms the second working frequency range with these the second gap 28 resonance.
This grounding parts 21 is roughly rectangular, and this grounding parts 21 comprises two relative long limit 211 and two relative minor faces 212.
This feeding portion 22 is roughly " L " type, and it comprises extension 221 and feed side 222.221You Chang limit, this extension 211 horizontal-extending one segment distances form.The end of 222You extension, this feed side 221 is along perpendicular to extension 221, and the direction relative with minor face 212 extended a segment distance and formed.This feed side 222 for the circuit board of radio communication device on signal feed-in point (not shown) be electrically connected, be the first resonant structure 24 and the second resonant structure 25 FD feeds.This connecting portion 23 vertically extends a segment distance by this grounding parts 21 with 22 1 minor faces 212 of feeding portion and forms, in order to the first resonant structure 24 and the second resonant structure 25 are connected to grounding parts 21 and feeding portion 22.
This first resonant structure 24 and the second resonant structure 25 vertically extend respectively a segment distance by the end of connecting portion 23 along relative direction and form, and wherein, the length of this first resonant structure 24 is slightly longer than the second resonant structure 25.This first resonant structure 24 is parallel with extension 221, forms in the lump the first gap 27 with extension 221 and connecting portion 23, changes the electrical length of dimension adjustable first resonant structure 24 in breach 26 and the first gap 27, and then regulates the centre frequency of the first working frequency range.The second resonant structure 25 is parallel with long limit 211, forms in the lump described the second gap 28 with long limit 211 and connecting portion 23, changes the electrical length of dimension adjustable second resonant structure 25 in the second gap 28, and then regulates the centre frequency of the second working frequency range.
See also Fig. 2 and Fig. 3, as can be seen from Figure, the centre frequency that this antenna structure 100 can obtain the first working frequency range and the second working frequency range is 2.4GHz frequency and 5GHz frequency, can support bluetooth and WiFi function.
Please join table 1, the gain efficiency percentage of the antenna structure 100 that table 1 is depicted as preferred embodiments of the present invention under different frequency, as seen from Table 1, antenna structure 100 all can obtain good gain efficiency near 2.4GHz frequency and 5GHz frequency, meets aerial radiation designing requirement.
Table 1
| Operating frequency | Gain (dB) | Efficiency (%) |
| 2400 | -3.441 | 45% |
| 2420 | -2.981 | 50% |
| 2440 | -2.820 | 52% |
| 2460 | -2.677 | 54% |
| 2480 | -2.830 | 52% |
| 5185 | -3.511 | 45% |
| 5300 | -3.464 | 45% |
| 5250 | -2.491 | 56% |
| 5500 | -2.524 | 56% |
| 5550 | -2.989 | 50% |
| 5700 | -2.871 | 52% |
| 5800 | -2.922 | 51% |
Antenna structure 100 of the present invention is directly formed at antenna 20 on circuit board 10, take up room less, cost is low, and reach bluetooth and 2.4GHz WiFi working frequency range by the first resonant structure 24, breach 26, the first gap 27 resonance, reach 5GHz WiFi working frequency range by this second resonant structure 25, the second gap 28 resonance.
Claims (7)
1. an antenna structure, this antenna structure comprises circuit board and is formed at the antenna of this circuit board, this antenna comprises grounding parts and the feeding portion in order to ground connection and signal feed-in respectively, it is characterized in that: this antenna structure also comprises connecting portion, the first resonant structure and the second resonant structure, this feeding portion is extended to form by this grounding parts, and the two encloses formation breach, this first resonant structure and this second resonant structure are connected to this grounding parts and this feeding portion by this connecting portion, this first resonant structure and this connecting portion and this grounding parts enclose and form the first gap, this second resonant structure and this connecting portion and feeding portion enclose and form the second gap, by regulating the size of this first gap and this breach to make this first resonant structure for receiving and dispatching the signal of the first working frequency range, by regulating the size in this second gap to make this second resonant structure for receiving and dispatching the signal of the second working frequency range.
2. antenna structure as claimed in claim 1, is characterized in that: this grounding parts comprises two relative long limit and two relative minor faces, and this feeding portion is extended to form by a long limit wherein.
3. antenna structure as claimed in claim 2, it is characterized in that: this feeding portion comprises extension and feed side, this extension is formed by wherein long limit horizontal-extending one segment distance of this grounding parts, the end of You Gai extension, this feed side is along vertical this extension, and the direction relative with this minor face extended one end apart from formation, and this feeding portion and this minor face form this breach.
4. antenna structure as claimed in claim 3, is characterized in that: this connecting portion vertically extends a segment distance by this grounding parts and the close minor face of feeding portion and forms.
5. antenna structure as claimed in claim 4, it is characterized in that: this first resonant structure and the second resonant structure are formed along the vertical segment distance that extends of two relative directions respectively by the end of connecting portion, wherein, the length of this first resonant structure is slightly shorter than this second resonant structure.
6. antenna structure as claimed in claim 5, is characterized in that: this first resonant structure and this connecting portion and this extension enclose and form the first described gap.
7. antenna structure as claimed in claim 6, is characterized in that: this second resonant structure and this connecting portion and this length limit enclose and form the second described gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109563.XA CN104092004B (en) | 2013-04-01 | 2013-04-01 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109563.XA CN104092004B (en) | 2013-04-01 | 2013-04-01 | Antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104092004A true CN104092004A (en) | 2014-10-08 |
| CN104092004B CN104092004B (en) | 2018-09-25 |
Family
ID=51639700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109563.XA Expired - Fee Related CN104092004B (en) | 2013-04-01 | 2013-04-01 | Antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104092004B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410370A (en) * | 2015-08-03 | 2017-02-15 | 深圳富泰宏精密工业有限公司 | Antenna assembly and wireless communication device using the same |
| CN107026313A (en) * | 2016-01-29 | 2017-08-08 | 环旭电子股份有限公司 | Antenna for wireless communication module |
| CN112310660A (en) * | 2019-07-31 | 2021-02-02 | 奇力新电子股份有限公司 | Antenna module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409570A (en) * | 2001-09-14 | 2003-04-09 | 诺基亚有限公司 | Internal multiple frequency antenna with improved radiation effeciency |
| CN201146239Y (en) * | 2008-01-04 | 2008-11-05 | 富港电子（东莞）有限公司 | Multi-frequency antenna |
| CN101499557A (en) * | 2008-02-03 | 2009-08-05 | 广达电脑股份有限公司 | Double-frequency antenna |
| US20110122042A1 (en) * | 2009-11-20 | 2011-05-26 | Arcadyan Technology Corporation | Antenna with Multi-Bands |
| CN102104188A (en) * | 2009-12-16 | 2011-06-22 | 智易科技股份有限公司 | Antenna with multi-bands |
| US20120162022A1 (en) * | 2010-12-23 | 2012-06-28 | Hon Hai Precision Industry Co., Ltd. | Multi-band antenna |
-
2013
- 2013-04-01 CN CN201310109563.XA patent/CN104092004B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409570A (en) * | 2001-09-14 | 2003-04-09 | 诺基亚有限公司 | Internal multiple frequency antenna with improved radiation effeciency |
| CN201146239Y (en) * | 2008-01-04 | 2008-11-05 | 富港电子（东莞）有限公司 | Multi-frequency antenna |
| CN101499557A (en) * | 2008-02-03 | 2009-08-05 | 广达电脑股份有限公司 | Double-frequency antenna |
| US20110122042A1 (en) * | 2009-11-20 | 2011-05-26 | Arcadyan Technology Corporation | Antenna with Multi-Bands |
| CN102104188A (en) * | 2009-12-16 | 2011-06-22 | 智易科技股份有限公司 | Antenna with multi-bands |
| US20120162022A1 (en) * | 2010-12-23 | 2012-06-28 | Hon Hai Precision Industry Co., Ltd. | Multi-band antenna |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410370A (en) * | 2015-08-03 | 2017-02-15 | 深圳富泰宏精密工业有限公司 | Antenna assembly and wireless communication device using the same |
| CN106410370B (en) * | 2015-08-03 | 2019-08-16 | 深圳富泰宏精密工业有限公司 | The wireless communication device of antenna module and the application antenna module |
| CN107026313A (en) * | 2016-01-29 | 2017-08-08 | 环旭电子股份有限公司 | Antenna for wireless communication module |
| CN107026313B (en) * | 2016-01-29 | 2020-05-19 | 环旭电子股份有限公司 | Antenna for wireless communication module |
| CN112310660A (en) * | 2019-07-31 | 2021-02-02 | 奇力新电子股份有限公司 | Antenna module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104092004B (en) | 2018-09-25 |
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