CN104092004B - Antenna structure - Google Patents
Antenna structure Download PDFInfo
- Publication number
- CN104092004B CN104092004B CN201310109563.XA CN201310109563A CN104092004B CN 104092004 B CN104092004 B CN 104092004B CN 201310109563 A CN201310109563 A CN 201310109563A CN 104092004 B CN104092004 B CN 104092004B
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- resonant structure
- gap
- interconnecting piece
- antenna
- grounding parts
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- 238000004891 communication Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method 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 present invention provides a kind of antenna structure, the antenna structure includes circuit board and is formed in the antenna of the circuit board, the antenna includes respectively being grounded and the grounding parts and feeding portion of signal feed-in, interconnecting piece, first resonant structure and the second resonant structure, the feeding portion is extended to form by the grounding parts, and the two encloses and sets to form notch, first resonant structure and second resonant structure are connected to the grounding parts and the feeding portion by the interconnecting piece, first resonant structure encloses with the interconnecting piece and the grounding parts and sets to form the first gap, second resonant structure encloses with the interconnecting piece and feeding portion and sets to form the second gap, size by adjusting first gap and the notch makes signal of first resonant structure for receiving and dispatching the first working frequency range, size by adjusting second gap makes signal of second resonant structure for receiving and dispatching the second working frequency range.
Description
Technical field
The present invention relates to a kind of antenna structure more particularly to a kind of Double-frequency antenna structures for supporting bluetooth and WiFi function.
Background technology
With the fast development of communication system, the function of wireless communication device such as mobile phone, tablet computer is also increasingly
Diversification, bluetooth and WiFi function have become one of basic configuration of wireless communication device.Accordingly, wireless communication device needs to have
There is the antenna structure for supporting bluetooth and WiFi function.
Existing antenna structure generally comprises circuit board and antenna, which includes respectively being grounded and signal feed-in connects
Ground portion and feeding portion, since wireless communication device develops toward light, thin direction so that antenna structure in addition to supporting above-mentioned function,
Foregoing circuit plate and antenna is also needed to occupy the smaller space of wireless communication device.How before not increasing wireless communication device volume
Putting makes antenna support wireless communication device more multi-functional, it has also become each maximum challenge of antenna manufacturer.
Meanwhile to reduce wireless communication device manufacturing cost, product competitiveness in the market is improved, manufacturer generally requires day knot
The forming process of structure is simple, is readily produced.
Invention content
In view of the above-mentioned problems, it is necessary to provide a kind of easily fabricated and smaller occupied space antenna structures.
A kind of antenna structure, the antenna structure include circuit board and are formed in the antenna of the circuit board, which includes point
Not being grounded and the grounding parts and feeding portion of signal feed-in, the antenna structure further include interconnecting piece, the first resonant structure and second
Resonant structure, the feeding portion are extended to form by the grounding parts, and the two encloses and sets to form notch, first resonant structure and second resonance
Portion is connected to the grounding parts and the feeding portion by the interconnecting piece, which encloses with the interconnecting piece and the grounding parts and set shape
At the first gap, which encloses with the interconnecting piece and feeding portion and sets to form the second gap, by adjusting first gap
And the size of the notch makes signal of first resonant structure for receiving and dispatching the first working frequency range, by the ruler for adjusting second gap
The very little signal for making second resonant structure for receiving and dispatching the second working frequency range.
Antenna is directly formed directly on circuit board by the antenna structure of the present invention, and occupied space is smaller, at low cost, and logical
Cross the first resonant structure, notch, the first gap resonance and reach bluetooth and 2.4GHz WiFi working frequency range, by second resonant structure,
Second gap resonance reaches 5GHz WiFi working frequency range.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the antenna structure of better embodiment of the present invention.
Fig. 2 is the return loss schematic diagram of antenna structure shown in FIG. 1.
Fig. 3 is the voltage standing wave ratio of antenna structure shown in FIG. 1.
Main element symbol description
| Antenna structure | 100 |
| Circuit board | 10 |
| Antenna | 20 |
| Grounding parts | 21 |
| Long side | 211 |
| Short side | 212 |
| Feeding portion | 22 |
| Extended segment | 221 |
| Feed side | 222 |
| Interconnecting piece | 23 |
| First resonant structure | 24 |
| Second resonant structure | 25 |
| Notch | 26 |
| First gap | 27 |
| Second gap | 28 |
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
Referring to Fig. 1, the better embodiment of the present invention provides a kind of antenna structure 100, it is applied to mobile phone, puts down
The wireless communication devices such as plate computer（It is not shown）In, it is used for transmitting/receiving wireless signal of communication.
The antenna structure 100 includes circuit board 10 and antenna 20.The circuit board 10 is the mainboard of wireless communication device.The day
Line 20 is formed in circuit board 10 by way of printing, and manufacturing process is simple, is readily produced, and can reduce manufacturing cost.
The antenna 20 includes grounding parts 21, feeding portion 22, interconnecting piece 23, the first resonant structure 24 and the second resonant structure 25.It should
Feeding portion 22 is extended to form by the grounding parts 21, and forms notch 26, first resonant structure 24 and second resonance therebetween
Portion 25 is connected to the grounding parts 21 and the feeding portion 22 by the interconnecting piece 23, first resonant structure 24 and the interconnecting piece 23 and should
Grounding parts 21 form the first gap 27, which forms the second gap 28 with the interconnecting piece 23 and feeding portion 22.It should
First resonant structure 24 and notch 26,27 resonance of the first gap form the first working frequency range, second resonant structure 25 and this between second
28 resonance of gap forms the second working frequency range.
The grounding parts 21 are generally rectangular shaped, which includes two opposite long sides 211 and two opposite short sides 212.
The feeding portion 22 is substantially L-shaped comprising extended segment 221 and feed side 222.The extended segment 221 is by long side 211
Horizontal extension a distance is formed.The feed side 222 by the end of extended segment 221 along perpendicular to extended segment 221, and and short side
212 opposite directions extend a distance into be formed.The feed side 222 is used to present with the signal on the circuit board of wireless communication device
Access point（It is not shown）It is electrically connected, is 25 FD feed of the first resonant structure 24 and the second resonant structure.The interconnecting piece 23 is by the ground connection
22 1 short sides 212 in portion 21 and feeding portion vertically extend a distance into be formed, to by the first resonant structure 24 and second
Resonant structure 25 is connected to grounding parts 21 and feeding portion 22.
First resonant structure 24 and the second resonant structure 25 are respectively perpendicular extension by the end of interconnecting piece 23 along relative direction
A distance is formed, wherein the length of first resonant structure 24 is slightly longer than the second resonant structure 25.First resonant structure 24 and extension
Section 221 is parallel, and the first gap 27 is formed together with extended segment 221 and interconnecting piece 23, changes notch 26 and the ruler in the first gap 27
The electrical length of very little adjustable first resonant structure 24, and then adjust the centre frequency of the first working frequency range.Second resonant structure 25 with
Long side 211 is parallel, forms second gap 28 together with long side 211 and interconnecting piece 23, the size for changing the second gap 28 can
The electrical length of the second resonant structure 25 is adjusted, and then adjusts the centre frequency of the second working frequency range.
Also referring to Fig. 2 and Fig. 3, as can be seen from Figure, which can get the first working frequency range and the
The centre frequency of two working frequency range is 2.4GHz frequencies and 5GHz frequencies, can support bluetooth and WiFi function.
It please join table 1, table 1 show the gain effect of the antenna structure 100 of better embodiment of the present invention at different frequencies
Rate percentage, as seen from Table 1, antenna structure 100 can get preferable gain near 2.4GHz frequencies and 5GHz frequencies
Efficiency meets aerial radiation design requirement.
Table 1
| Working 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 20 is directly formed on circuit board 10 by the antenna structure 100 of the present invention, and occupied space is smaller, at low cost,
And bluetooth and 2.4GHz WiFi working frequency range are reached by the first resonant structure 24, notch 26,27 resonance of the first gap, by this
Second resonant structure 25,28 resonance of the second gap reach 5GHz WiFi working frequency range.
Claims (4)
1. a kind of antenna structure, which includes circuit board and is formed in the antenna of the circuit board, which includes difference
To be grounded and the grounding parts and feeding portion of signal feed-in, it is characterised in that：The antenna structure further includes interconnecting piece, the first resonance
Portion and the second resonant structure, the grounding parts include two opposite long sides and two opposite short sides, which includes extended segment and feedback
Enter end, which is formed by wherein long side horizontal extension a distance of the grounding parts, and the feed side is by the extended segment
End is along the vertical extended segment, and the direction opposite with the short side extends a distance into and to be formed, the feeding portion and the short side shape
At notch, which is vertically extended a distance by a grounding parts short side close with the feeding portion and is formed, should
First resonant structure and second resonant structure are connected to the grounding parts and the feeding portion by the interconnecting piece, first resonant structure with should
Interconnecting piece and the feeding portion, which enclose, to be set to form the first gap, and second resonant structure and the interconnecting piece and grounding parts enclose and set to be formed between second
Gap, the size by adjusting first gap and the notch make first resonant structure for receiving and dispatching bluetooth and 2.4GHz WiFi works
The signal for making frequency range, the size by adjusting second gap make second resonant structure for receiving and dispatching 5GHz WiFi working frequency range
Signal.
2. antenna structure as described in claim 1, it is characterised in that：First resonant structure and the second resonant structure are by interconnecting piece
End extends vertically a distance respectively along two relative directions and is formed, wherein the length of first resonant structure is slightly shorter than should
Second resonant structure.
3. antenna structure as claimed in claim 2, it is characterised in that：First resonant structure is enclosed with the interconnecting piece and the extended segment
If forming first gap.
4. antenna structure as claimed in claim 3, it is characterised in that：Second resonant structure is set with the interconnecting piece and the long skirt
Form second 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 CN104092004A (en) | 2014-10-08 |
| CN104092004B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9735463B2 (en) * | 2015-08-03 | 2017-08-15 | Chiun Mai Communication Systems, Inc. | Antenna assembly and wireless communication device using the same |
| 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 |
Citations (1)
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| TWI448006B (en) * | 2009-11-20 | 2014-08-01 | Arcadyan Technology Corp | Antenna with multi-bands |
| CN102104188B (en) * | 2009-12-16 | 2015-08-19 | 智易科技股份有限公司 | The antenna of tool multiband |
| TWI532257B (en) * | 2010-12-23 | 2016-05-01 | 鴻海精密工業股份有限公司 | Multi-band antenna |
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2013
- 2013-04-01 CN CN201310109563.XA patent/CN104092004B/en not_active Expired - Fee Related
Patent Citations (1)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104092004A (en) | 2014-10-08 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 |
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