CN102386489B - Multi-frequency antenna - Google Patents
Multi-frequency antenna Download PDFInfo
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- CN102386489B CN102386489B CN201010269322.8A CN201010269322A CN102386489B CN 102386489 B CN102386489 B CN 102386489B CN 201010269322 A CN201010269322 A CN 201010269322A CN 102386489 B CN102386489 B CN 102386489B
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- radiation
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Abstract
The invention discloses a multi-frequency antenna which comprises a grounding part, a first antenna working at a wireless WAN (wide area network), a second antenna working at a wireless LAN (local area network) and a third antenna working at the wireless LAN, wherein the first antenna comprises a first conductive part extending out from the grounding part, a first radiating element extending out from the first conductive part, a parasitic radiation part and a feeder line; the second antenna comprises a second conductive part extending out from the grounding part, a first resonance arm extending out from the second conductive part, a second resonance arm and a feeder line; the third antenna comprises a third conductive part extending out from the grounding part, a first conductive arm extending out from the third conductive part, a second conductive arm and a feeder line; and the first conductive part and the second conductive part are connected with each other.
Description
[technical field]
The invention relates to a kind of multifrequency antenna, especially refer to a kind of multifrequency antenna for portable electric appts.
[background technology]
Along with the development of Radio Transmission Technology, in mobile electronic device, need to assemble the signal of increasing antenna with transmitting-receiving different frequency.Meanwhile, modern mobile electronic device is more and more frivolous again.Therefore arranging of different frequency antenna just needs more and more compactness, thereby saves the inner space of electronic equipment.Chinese patent application discloses No. 101431188A and has disclosed a kind of multifrequency antenna, and it comprises an antenna for wireless wide area network and two antennas for WLAN (wireless local area network), and three antennas are shared same grounding parts.But each antenna of this multifrequency antenna all extends from grounding parts respectively, need to occupy larger space.Therefore be necessary prior art to improve, a kind of compact conformation is provided, little multifrequency antenna takes up space.
[summary of the invention]
The object of the present invention is to provide a kind of compact conformation, little multifrequency antenna takes up space.
To achieve these goals, multifrequency antenna of the present invention adopts following technical scheme: a kind of multifrequency antenna comprises grounding parts, works in the first antenna of wireless wide area network, works in the second antenna of WLAN (wireless local area network) and works in the third antenna of WLAN (wireless local area network).The first antenna comprises from extended the first conductive part of grounding parts, from extended the first radiating element of the first conductive part, parasitic radiation portion and feeder line.The second antenna comprises from extended the second conductive part of grounding parts, from extended the first resonance arm of the second conductive part, the second resonance arm and feeder line.Third antenna comprises from extended the 3rd conductive part of grounding parts, from extended the first conductive arm of the 3rd conductive part, the second conductive arm and feeder line.Wherein the first conductive part is connected with the second conductive part.
Compared to prior art, multifrequency antenna of the present invention has the following advantages: more compact structure, takes up space less.
[brief description of the drawings]
Fig. 1 is the stereogram of multifrequency antenna of the present invention.
Fig. 2 is the exploded view of another angle of Fig. 1.
Fig. 3 is the voltage standing wave ratio figure of the first antenna of multifrequency antenna of the present invention.
Fig. 4 is the voltage standing wave ratio figure of second and third antenna of multifrequency antenna of the present invention.
[embodiment]
Shown in Fig. 2, multifrequency antenna 1 of the present invention comprises grounding parts 400, for the first antenna 100 of wireless wide area network, for the second antenna 200 of WLAN (wireless local area network) and for the third antenna 300 of WLAN (wireless local area network).
The first antenna 100 comprises the first conductive part 101 extending to first direction from grounding parts 400, the parasitic radiation portion 102 of extending to first direction from the first conductive part 101 ends, the first radiating element 103 and the feeder line 500 that extend and keep at a certain distance away with parasitic radiation portion 102 from the first conductive part 101.The first conductive part 101 is L-shaped, comprises perpendicular to the first support arm 1012 of grounding parts 400 and from vertically extension and the second support arm 1014 perpendicular to grounding parts 400 of the first support arm 1012.Parasitic radiation portion 102 is L-shaped, comprises from the first conductive part 101 ends and extends vertically upward and extend and perpendicular to the second support arm 1024 of grounding parts 400 perpendicular to the first support arm 1022 of grounding parts 400 and from the first support arm 1022 is vertical.Parasitic radiation portion 102 and the first conductive part 101 are connected in the first tie point A1.The first radiating element 103 and the first conductive part 101 are connected in the second tie point A2, the second radiation arm 1034 that comprise the first radiation arm 1032 of extending vertically upward from the first conductive part 101, extends from the first radiation arm 1032 ends to first direction and from the first radiation arm 1032 ends to the 3rd radiation arm 1036 extending with the opposing second direction of first direction.The second radiation arm 1034 comprise from the first radiation arm 1032 extend and be parallel to the first side arm 10340 of grounding parts 400 and from the end of the first side arm 10,340 one sides to downward-extension, the second side arm 10342 between the first side arm 10340 and grounding parts 400.One side of the first side arm 10340 caves inward and forms rectangular indentation Q1.The second side arm 10342 is L-shaped, and a side from the first side arm 10340 without breach Q1 is extended, and lays respectively at the both sides of the first side arm 10340 perpendicular to grounding parts 400 and with parasitic radiation arm 102.The 3rd radiation arm 1036 comprises from the first radiation arm 1032 and extends and be parallel to the first side arm 10360 of grounding parts 400 and the second side arm 10362 to downward-extension from the first side arm 10,360 one side ends.The first side arm 10,360 one sides cave inward and form the breach Q2 of a rectangle.The second side arm 10362 is L-shaped, extends from a side of the first side arm 10360 breach Q2, and it is between the first side arm 10360 and grounding parts 400 and perpendicular to grounding parts 400.Feeder line 500 comprises the braid 502 that is connected in the heart yearn 501 of the first tie point A1 and is connected with grounding parts 400 with the first conductive part 101.
The second antenna 200 comprises from grounding parts 400 along extended the second conductive part 201 of second direction, from extended the first resonance arm 202 of the second conductive part 201, the second resonance arm 203 and feeder line 600.The second conductive part 201 is L-shaped, comprises from grounding parts 400 and vertically extending and the first support arm 2012 of being connected with the first conductive part 101 and vertically extending and perpendicular to the second support arm 2014 of grounding parts 400 from the first support arm 2012 ends.The second resonance arm 203 extends from the second conductive part 201 ends, be connected in the 3rd tie point B1 with the second conductive part 201, it comprises from the second conductive part 201 extended the first side arm 2031 and extend and be parallel to the second side arm 2032 of grounding parts 400 from the first side arm 2031 ends along first direction vertically upward.The first resonance arm 202 extends from the second conductive part 201, be connected in the 4th tie point B2 with the second conductive part 201 and be spaced a distance with the second resonance arm 203, it comprises the first side arm 2021 of extending vertically upward from the second conductive part 201 and extends and perpendicular to the second side arm 2022 of grounding parts 400 along first direction from the first side arm 2021 ends.The first resonance arm 202 is between the second resonance arm 203 and the second conductive part 201.Feeder line 600 comprises the braid 602 that is connected in the heart yearn 601 of the 3rd tie point B1 and is connected with grounding parts 400 with the second conductive part 201.
Third antenna 300 configurations are identical with the second antenna 200, but third antenna 300 extends from grounding parts separately, comprise the 3rd conductive part 301 that is spaced a distance with the second conductive part 201, from extended the first conductive arm 302 of the 3rd conductive part 301, the second conductive arm 303 and feeder line 700.The second conductive part 301 is L-shaped, comprises from vertically extending the first support arm 3012 of grounding parts 400 and from the first support arm 3012 ends and extending and perpendicular to the second support arm 3014 of grounding parts 400 along second direction.The second conductive arm 303 extends from the 3rd conductive part 301 ends, be connected in the 5th tie point C1 with the 3rd conductive part 301, it comprises from the 3rd conductive part 301 extended the first side arm 3031 and extend and be parallel to the second side arm 3032 of grounding parts 400 along first direction from the first side arm 3031 ends vertically upward.The first conductive arm 302 extends from the 3rd conductive part 301, be connected in the 6th tie point C2 with the second conductive part 201 and be spaced a distance with the second conductive arm 303, it comprises the first side arm 3021 of extending vertically upward from the second conductive part 301 and extends and perpendicular to the second side arm 3022 of grounding parts 400 along first direction from the first side arm 3021 ends.The first conductive arm 302 is between the second conductive arm 303 and the 3rd conductive part 301.Feeder line 700 comprises the braid 702 that is connected in the heart yearn 701 of the 5th tie point C1 and is connected with grounding parts 400 with the 3rd conductive part 301.
Shown in Fig. 3 and Fig. 4, the present invention's the first antenna 100 is for wireless wide area network, works in 800-900MHz and 1700-2200MHz frequency band.The second antenna 200 and third antenna 300 are wireless lan antenna, work in 2.3-2.7GHz and 4.7-5.9GHz.The present invention combines the first conductive part 101 of the first conductive part 201 of the second antenna 200 and the first antenna 100, can effectively reduce the overall volume of antenna, is conducive to the miniaturization of antenna.
Claims (8)
1. a multifrequency antenna, it comprises grounding parts, work in the first antenna of wireless wide area network, work in the second antenna and the third antenna of WLAN (wireless local area network), described the first antenna comprises from extended the first conductive part of grounding parts, from extended the first radiating element of the first conductive part, parasitic radiation portion and feeder line, described the second antenna comprises from extended the second conductive part of grounding parts, from extended the first resonance arm of the second conductive part, the second resonance arm and feeder line, described third antenna comprises from extended the 3rd conductive part of grounding parts, from extended the first conductive arm of the 3rd conductive part, the second conductive arm and feeder line, it is characterized in that: the first conductive part is connected with the second conductive part, described the first conductive part extends along first direction from grounding parts, parasitic radiation portion extends to first direction from the first conductive part end, the first radiating element extends and keeps at a certain distance away with parasitic radiation portion from the first conductive part, described the first conductive part is L-shaped, comprise perpendicular to the first support arm of grounding parts and from vertically extension and the second support arm perpendicular to grounding parts of the first support arm, described parasitic radiation portion is L-shaped, comprise from the first conductive part end and extend vertically upward and extend and perpendicular to the second support arm of grounding parts perpendicular to the first support arm of grounding parts and from the first support arm is vertical, described parasitic radiation portion and the first conductive part are connected in the first tie point.
2. multifrequency antenna as claimed in claim 1, it is characterized in that: described the first radiating element and the first conductive part are connected in the second tie point, comprise the first radiation arm extending vertically upward from the first conductive part, the second radiation arm extending to first direction from the first radiation arm end and from the first radiation arm end to the 3rd radiation arm extending with the opposing second direction of first direction, described the second radiation arm comprise from the first radiation arm extend and be parallel to the first side arm of grounding parts and from the end of the first side arm one side to downward-extension, the second side arm between the first side arm and grounding parts, the second side arm of described the second radiation arm is L-shaped, lay respectively at the both sides of the first side arm of the second radiation arm perpendicular to grounding parts and with parasitic radiation arm.
3. multifrequency antenna as claimed in claim 2, it is characterized in that: described the 3rd radiation arm comprises from the first radiation arm and extends and be parallel to the first side arm of grounding parts and the second side arm to downward-extension from the first side arm one side end, the second side arm of described the 3rd radiation arm is L-shaped, between the first side arm of the 3rd Department of Radiation and grounding parts and perpendicular to grounding parts.
4. multifrequency antenna as claimed in claim 1, is characterized in that: described the second conductive part is L-shaped, comprises the first support arm of vertically extending from grounding parts and extends and perpendicular to the second support arm of grounding parts along second direction from the first support arm end.
5. multifrequency antenna as claimed in claim 4, it is characterized in that: described the second resonance arm extends from the second conductive part end, be connected in the 3rd tie point with the second conductive part, it comprises from the second conductive part extended the first side arm and extend and be parallel to the second side arm of grounding parts along first direction from the first side arm end vertically upward.
6. multifrequency antenna as claimed in claim 5, it is characterized in that: described the first resonance arm extends from the second conductive part, be connected in the 4th tie point with the second conductive part and be spaced a distance with the second resonance arm, it comprises the first side arm of extending vertically upward from the second conductive part and extends and perpendicular to the second side arm of grounding parts along first direction from the first side arm end.
7. multifrequency antenna as claimed in claim 6, is characterized in that: described the first resonance arm is between the second resonance arm and the second conductive part.
8. multifrequency antenna as claimed in claim 7, is characterized in that: the configuration of described third antenna is identical with the first antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010269322.8A CN102386489B (en) | 2010-09-01 | 2010-09-01 | Multi-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010269322.8A CN102386489B (en) | 2010-09-01 | 2010-09-01 | Multi-frequency antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102386489A CN102386489A (en) | 2012-03-21 |
| CN102386489B true CN102386489B (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010269322.8A Expired - Fee Related CN102386489B (en) | 2010-09-01 | 2010-09-01 | Multi-frequency antenna |
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| Country | Link |
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| CN (1) | CN102386489B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004025778A1 (en) * | 2002-09-10 | 2004-03-25 | Fractus, S.A. | Coupled multiband antennas |
| CN1988255A (en) * | 2005-12-21 | 2007-06-27 | 富士康(昆山)电脑接插件有限公司 | Multiple frequency antenna |
| CN101431188A (en) * | 2007-11-09 | 2009-05-13 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1870351B (en) * | 2005-05-26 | 2012-05-23 | 富士康(昆山)电脑接插件有限公司 | Multifrequency antenna |
| CN101106213B (en) * | 2006-07-14 | 2012-11-28 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
-
2010
- 2010-09-01 CN CN201010269322.8A patent/CN102386489B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004025778A1 (en) * | 2002-09-10 | 2004-03-25 | Fractus, S.A. | Coupled multiband antennas |
| CN1988255A (en) * | 2005-12-21 | 2007-06-27 | 富士康(昆山)电脑接插件有限公司 | Multiple frequency antenna |
| CN101431188A (en) * | 2007-11-09 | 2009-05-13 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
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| Publication number | Publication date |
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| CN102386489A (en) | 2012-03-21 |
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