CN101431188A - Multi-frequency antenna - Google Patents
Multi-frequency antenna Download PDFInfo
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- CN101431188A CN101431188A CNA2007101354287A CN200710135428A CN101431188A CN 101431188 A CN101431188 A CN 101431188A CN A2007101354287 A CNA2007101354287 A CN A2007101354287A CN 200710135428 A CN200710135428 A CN 200710135428A CN 101431188 A CN101431188 A CN 101431188A
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Abstract
The invention discloses a multi-frequency antenna (10), which comprises a first antenna (2), a second antenna (3) and a third antenna (4); the first antenna (2) and the second antenna (3) are used for Worldwide Interoperability for Microwave Access and a wireless local area network, and the third antenna (4) used for a wireless wide area network, wherein, the first antenna, the second antenna and the third antenna are made of a sheet metal.
Description
[technical field]
The invention relates to a kind of antenna, especially refer to a kind of multifrequency antenna that is used for portable electric appts such as notebook computer.
[background technology]
Along with mechanics of communication reaches the miniaturization development rapidly, there is an important factor must include consideration in, i.e. also correspondingly miniaturization of the design of antenna.
Planar inverted F-shape antenna (Planar Inverted-F Antenna PIFA) is a kind of small size antenna that is applicable to as communicating terminals such as mobile phone, notebook computers commonly used.It has adapted to the trend of electronic installation microminiaturization and design simplification, and the requirement of antenna microminiaturization.An advantage of this type of antenna is to be easy to realize double frequency, can reduce effectively that antenna takes up room and manufacturing cost, and another advantage is under different operational environments and working band, and antenna performance is easy to regulate.
The TaiWan, China patent disclosure has disclosed a kind of multifrequency antenna No. 200642171, it comprises first antenna and second antenna and third antenna that is used for WLAN (wireless local area network) and the 4th antenna that is used for wireless wide area network, and wherein first antenna, second antenna, third antenna and the 4th antenna are made by a sheet metal and formed.This antenna is in the same place by the aerial integration that will be applied to wireless wide area network and WLAN (wireless local area network), dwindled the installing space of antenna relatively, each antenna still has good usefulness performance simultaneously, yet sometimes in order to reach the better application effect, need make antenna work in application network more than three kinds and three kinds, the then described multifrequency antenna of two kinds of application networks of only supporting is difficult to meet the demands.
Therefore, we are necessary above-mentioned antenna is improved, to remedy above-mentioned defective.
[summary of the invention]
The object of the present invention is to provide the less multifrequency antenna of a kind of stereochemical structure and overall volume.
For achieving the above object, the present invention adopts following technical scheme: a kind of multifrequency antenna, it comprises first antenna, second antenna, a third antenna and a grounding parts, described first antenna, the shared described grounding parts of second antenna and third antenna and be arranged in this grounding parts along lengthwise respectively, described multifrequency antenna works in micro-wave access global inter communication, three kinds of composite networks such as WLAN (wireless local area network) and wireless wide area network, described first antenna, second antenna and third antenna are made by a sheet metal and are arranged at the same side of described grounding parts and described first antenna separately, it is its FD feed that second antenna and third antenna have a holding wire respectively.
Compared with prior art, multifrequency antenna of the present invention has the following advantages: multifrequency antenna of the present invention can work in three kinds of application networks, has realized the radio communication function that needs a plurality of stand-alone antennas just can finish originally.
[description of drawings]
Fig. 1 is the stereogram of the preferred embodiment of multifrequency antenna of the present invention.
Fig. 2 is the stereogram of another angle of Fig. 1.
Fig. 3 works in the voltage standing wave ratio figure of WWAN for the third antenna among Fig. 1.
Fig. 4 works in the voltage standing wave ratio figure of WLAN and WIMAX for second antenna among Fig. 1.
Fig. 5 works in the voltage standing wave ratio figure of WLAN and WIMAX for first antenna among Fig. 1.
[embodiment]
As shown in Figures 1 and 2, it is the stereogram of the different angles of preferred embodiment of the present invention.In this embodiment, multifrequency antenna 10 of the present invention is formed by sheet metal bending cutting, it comprises first antenna 2, second antenna 3, third antenna 4, grounding parts 5, installation portion 6 and three holding wires (not icon), and described first antenna 2, second antenna 3 and third antenna 4 are positioned at the same side of described grounding parts 5 and arrange along lengthwise.
Described grounding parts 5 comprises horizontal grounding portion 52 and and horizontal grounding portion 52 orthogonal vertical grounding parts 51.Described vertical grounding parts 51 is formed with long rectangle first ground plate 510 and short rectangle second ground plate 511, is formed with gap 512 between described first ground plate 510 and second ground plate 511.Described horizontal grounding portion 52 is formed with two breach 520,521 to be used for being provided with second antenna 3 and third antenna 4 respectively, and in addition, the through hole 53 that provides three holding wires to pass also is provided in distolateral of one in described horizontal grounding portion 52.
The two ends of described grounding parts 5 upwards have been bent to form installation portion 6 respectively, described installation portion 6 comprises perpendicular arm 61 and the ear 62 that outwards is bent to form from perpendicular arm 61 1 sides, described ear 62 is provided with circular installing hole 620, it is emphasized that this circular mounting hole also can be the shape that other can realize installation function.
Described first antenna 2 works in micro-wave access global inter communication (Worldwide Interoperability forMicrowave Access, WIMAX) and WLAN (wireless local area network) (Wireless Local Area Network, WLAN) compound frequency range, this first antenna 2 comprise that the installation portion 6 from described grounding parts 5 one sides extends the connecting portion 22 that forms and from the horizontally extending Department of Radiation 21 in described connecting portion 22 tops.Described Department of Radiation 21 has first radiation arm 210 of level and extends second radiation arm 211 that forms dorsad from first radiation arm, 210 levels, and this second radiation arm 211 comprises horizontal radiation arm 2110 and bends the L shaped radiation arm 2111 that extension forms downwards from horizontal radiation arm 2,110 one ends.Described connecting portion 22 is a two-part, it comprises that the vertical linking arm 220 that vertically extends from the intersection of described first radiation arm 210 and second radiation arm 211 reaches from a side horizontal-extending of installation portion 6 and the horizontal linking arm 221 that is connected with described vertical linking arm 220 downwards, and described vertical linking arm 220 is formed with the bending place with described horizontal linking arm 221.Be formed with the 3rd Z-shaped radiation arm 23 from described bending place horizontal-extending, leave gap 230 between the 3rd radiation arm 23 and the described vertical linking arm 220, the 3rd radiation arm 23 is provided with first feedback point Q1 in the bending place, this first feedback point Q1 is positioned at the lower right in described gap 230.As shown in Figure 5, it is VSWR (voltage standing wave ratio) figure that first antenna 2 works in WLAN and WIMAX, as seen from the figure, first radiation arm 210 works in the 4.90GHz-5.90GHz frequency band, its centre frequency is 5.50GHz, and second radiation arm 211 works in the 2.30GHz-2.70GHz frequency band, and its centre frequency is 2.50GHz, the 3rd radiation arm 23 works in the 3.30GHz-3.80GHz frequency band, and its centre frequency is 3.50GHz.
Described second antenna 3 is provided with separately with described first antenna 2, and it works in micro-wave access global inter communication and the compound frequency range of WLAN (wireless local area network), and this second antenna 3 comprises connecting portion 32 that the outward-dipping extension of a side from the horizontal grounding portion 52 of described grounding parts 5 forms and the Department of Radiation 31 that forms from the top of this connecting portion 32 horizontal-extending.Described Department of Radiation 31 comprises the 4th radiation arm 310 and the 5th radiation arm 311 that forms from the 4th radiation arm 310 1 end horizontal-extendings.Described the 5th radiation arm 311 front portions are formed with breach 3110.Described connecting portion 32 comprises that described horizontal linking arm 321 is connected with described vertical linking arm 320 and is formed with the bending place from the vertical vertical linking arm 320 that forms that extends of outward-dipping horizontal linking arm 321 that extends into of grounding parts 5 one sides and autoradiolysis portion 31 downwards.Described the 6th radiation arm 33 extends and forms from the bending of aforementioned bending place, and is Z-shaped substantially, is formed with gap 330 between the 6th radiation arm 33 and the described vertical linking arm 320.Described the 6th radiation arm 33 is formed with second feedback point Q2 in its bending place, described second feedback point Q2 is positioned at the lower right in gap 330.As shown in Figure 4, it is the voltage standing wave ratio figure that second antenna 3 works in WLAN and WIMAX, as seen from the figure, the 4th radiation arm 310 works in 4.90GHz-5.90GHz, its centre frequency is 5.50GHz, and the 5th radiation arm 311 works in the 2.30GHz-2.70GHz frequency band, and its centre frequency is 2.50GHz, the 6th radiation arm 33 works in the 3.30GHz-3.80GHz frequency band, and its centre frequency is 3.50GHz.Described breach 3110 can be avoided disturbing mutually between the 5th radiation arm 311 and the 6th radiation arm 33.
Described third antenna 4 works in wireless wide area network (Wireless Wide Area Network, WWAN), and its size is bigger with respect to first antenna 2 and second antenna 3, and this third antenna 4 comprises connecting portion 42 that the horizontal grounding portion outward-dipping extension of 52 1 sides from described grounding parts 5 forms and the Department of Radiation 41 that extends horizontally to from these connecting portion 42 tops.Described Department of Radiation 41 comprises that the 7th radiation arm 410 reaches the 8th radiation arm 411 that is positioned at same horizontal plane with described the 7th radiation arm 410.Described the 7th radiation arm 410 comprises that the side that horizontal radiation arm 4100 reaches from horizontal radiation arm 4100 extends the L shaped radiation arm 4101 that bending forms downwards.Described the 8th radiation arm 411 is that a lengthwise plate body and its end have been bent to form kink 4110 downwards.Connecting portion 42 is the two-part stereochemical structure, it horizontal linking arm 421 and autoradiolysis portion 41 that comprises that the breach 521 outward-dipping extensions from grounding parts 5 form vertically extends the vertical linking arm 420 that forms downwards near the centre position, described horizontal linking arm 421 is connected with described vertical linking arm 420 and is formed with the bending place, extend to form the 9th Z-shaped radiation arm 43 from this bending place, leave gap 430, the nine radiation arms between described the 9th radiation arm 43 and the described vertical linking arm 420 and be provided with the 3rd feedback point Q3 near 430 lower right corner, described gap in its bending place.As described in Figure 3, it works in the voltage standing wave ratio figure of WWAN for third antenna 4, as seen from the figure, described the 7th radiation arm 410 all works in 0.824GHz-0.960GHz with described the 8th radiation arm 411, and its centre frequency is 0.90GHz, the 9th radiation arm 43 works in 1.70GHz-2.17GHz, and its centre frequency is 1.90GHz.
WIMAX all parts of the world operating frequency concentrates on 2.3GHz, 2.5GHz, 3.3GHz, 3.5GHz and 5GHz, and the WLAN operating frequency is 2.4GHz and 5GHz, and the WWAN operating frequency is 900MHz and 1800MHz.To shown in Figure 5, embodiment of the present invention multifrequency antenna 10 has been realized the radio communication function that needs a plurality of antennas just can finish originally by working in micro-wave access global inter communication, WLAN (wireless local area network) and three kinds of Application of composite networks of wireless wide area network as Fig. 3.And as can be seen from Figure 5, in 4.90GHz to 5.90GHz frequency range, 2.30GHz to 2.70GHz frequency range and 3.30GHz to 3.80GHz frequency range, shown in voltage standing wave ratio all less than 2.5, as can be seen from Figure 4, at 4.90GHz to 5.90GHz, 2.30GHz to 2.70GHz and 3.30GHz to 3.80GHz frequency range, shown in voltage standing wave ratio equally less than 2.5, Fig. 3 can find out for another example, in 0.824GHz to 0.960GHz and 1.70GHz to 2.17GHz frequency range, shown in voltage standing wave ratio less than 3, but the antenna operate as normal, therefore, but embodiment of the present invention multifrequency antenna 10 working bands have almost covered WLAN, all frequency bands of WIMAX and WWAN.
Claims (10)
1. multifrequency antenna, it comprises first antenna, second antenna, a third antenna and a grounding parts, described first antenna, the shared described grounding parts of second antenna and third antenna and be arranged in this grounding parts along lengthwise respectively, it is characterized in that: described multifrequency antenna works in micro-wave access global inter communication, three kinds of composite networks such as WLAN (wireless local area network) and wireless wide area network, described first antenna, second antenna and third antenna are made by a sheet metal and are arranged at the same side of described grounding parts and described first antenna separately, it is its FD feed that second antenna and third antenna have a holding wire respectively.
2. multifrequency antenna as claimed in claim 1 is characterized in that: described first antenna and second antenna all work in micro-wave access global inter communication and WLAN (wireless local area network), and described third antenna works in wireless wide area network.
3. multifrequency antenna as claimed in claim 2 is characterized in that: described first antenna is littler than third antenna with the size of second antenna.
4. multifrequency antenna as claimed in claim 3 is characterized in that: described grounding parts comprises orthogonal two parts, and is provided with described three through holes that holding wire passes of permission in the one end.
5. multifrequency antenna as claimed in claim 4 is characterized in that: described first, second and third antenna all has Department of Radiation and autoradiolysis portion extends the connecting portion that forms downwards, and described Department of Radiation comprises a pair of radiation arm that extends in opposite direction.
6. multifrequency antenna as claimed in claim 5 is characterized in that: the connecting portion of described first, second and third antenna includes horizontally extending linking arm and is connected with the linking arm of described level and is formed with the linking arm of the vertical extension of bending place.
7. multifrequency antenna as claimed in claim 6 is characterized in that: described first, second and third antenna is formed with another radiation arm respectively at the bending place of two linking arms of described connecting portion.
8. multifrequency antenna as claimed in claim 7 is characterized in that: at least one is formed with the bending place in above-mentioned another radiation arm of described first, second and third antenna, and this bending place is provided with signal feed.
9. multifrequency antenna as claimed in claim 8 is characterized in that: described grounding parts is provided with installation portion to being less than the one end, and the horizontal linking arm of described first antenna forms from described installation portion horizontal-extending.
10. multifrequency antenna as claimed in claim 9 is characterized in that: described grounding parts is provided with at least one breach, described second and the horizontal linking arm of third antenna at least one be to form from this breach diagonally extending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101354287A CN101431188B (en) | 2007-11-09 | 2007-11-09 | Multi-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101354287A CN101431188B (en) | 2007-11-09 | 2007-11-09 | Multi-frequency antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101431188A true CN101431188A (en) | 2009-05-13 |
| CN101431188B CN101431188B (en) | 2013-05-08 |
Family
ID=40646418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101354287A Expired - Fee Related CN101431188B (en) | 2007-11-09 | 2007-11-09 | Multi-frequency antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN101431188B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386489A (en) * | 2010-09-01 | 2012-03-21 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN104103888A (en) * | 2014-08-06 | 2014-10-15 | 广东欧珀移动通信有限公司 | Mobile phone and antenna thereof |
| CN104953290A (en) * | 2015-05-06 | 2015-09-30 | 深圳市万普拉斯科技有限公司 | Wireless communication device and antenna assembly thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177505C (en) * | 2001-09-11 | 2004-11-24 | 正文科技股份有限公司 | Improved planar inversed F-shaped antenna |
| CN1983713B (en) * | 2005-12-14 | 2012-10-31 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| US7280074B1 (en) * | 2006-03-30 | 2007-10-09 | Delta Networks, Inc. | Multiple frequency band planar antenna |
-
2007
- 2007-11-09 CN CN2007101354287A patent/CN101431188B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386489A (en) * | 2010-09-01 | 2012-03-21 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN102386489B (en) * | 2010-09-01 | 2014-07-30 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN104103888A (en) * | 2014-08-06 | 2014-10-15 | 广东欧珀移动通信有限公司 | Mobile phone and antenna thereof |
| CN104103888B (en) * | 2014-08-06 | 2016-09-21 | 广东欧珀移动通信有限公司 | A kind of mobile phone and antenna thereof |
| CN104953290A (en) * | 2015-05-06 | 2015-09-30 | 深圳市万普拉斯科技有限公司 | Wireless communication device and antenna assembly thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101431188B (en) | 2013-05-08 |
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Owner name: FUDING PRECISION COMPONENT (SHENZHEN) CO., LTD. Free format text: FORMER OWNER: FUSHIKANG (KUNSHAN) COMPUTER CONNECTORS CO., LTD. Effective date: 20150304 |
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Free format text: CORRECT: ADDRESS; FROM: 215316 SUZHOU, JIANGSU PROVINCE TO: 518110 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20150304 Address after: 518110, Shenzhen Baoan District Guanlan street, Tai Hang community tour road south, treasure source science and Technology Park Patentee after: Fuding Precision Components (Shenzhen) Co.,Ltd. Patentee after: Hon Hai Precision Industry Co., Ltd. Address before: 215316 No. 999 North Gate Road, Kunshan, Jiangsu, Yushan Patentee before: Fushikang (Kunshan) Computer Connectors Co., Ltd. Patentee before: Hon Hai Precision Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151109 |
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| EXPY | Termination of patent right or utility model |