CN103682622A - Multi-frequency antenna - Google Patents
Multi-frequency antenna Download PDFInfo
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- CN103682622A CN103682622A CN201210354084.XA CN201210354084A CN103682622A CN 103682622 A CN103682622 A CN 103682622A CN 201210354084 A CN201210354084 A CN 201210354084A CN 103682622 A CN103682622 A CN 103682622A
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- connecting portion
- multifrequency antenna
- radiation
- department
- grounding parts
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Abstract
Disclosed is a multi-frequency antenna (100) capable of being installed in an electronic device provided with an insulating housing (200) for installing the multi-frequency antenna and a metal backboard (300) abutted against the insulating housing. The multi-frequency antenna includes a radiation portion (1), a first connecting portion (21) extending downwards from a point of the radiation portion, a second connecting portion (22) extending vertically from the first connecting portion, a ground portion (3) disposed horizontally at an interval with the second connecting portion, and first and second ground metal foils (41, 42) respectively connected to the second connection portion and the ground portion. When the multi-frequency antenna is assembled into the electronic device, the radiation portion, the first connecting portion, the second connecting portion and the ground portion of the multi-frequency antenna are fixed onto the insulating housing, a slot is formed between the first portion of the first ground metal foil and the second portion of the second ground metal foil, and also between the second connection portion and the joint line of the metal backboard and the insulating housing, and the unique assembly way of the multi-frequency antenna provided by the invention allows the antenna to take up less space.
Description
[technical field]
The present invention discloses a kind of multifrequency antenna, espespecially a kind of multifrequency antenna for electronic equipment internal.
[background technology]
Planar inverted-F antenna is a kind of conventional antenna for electronic equipment internal.Taiwan patent announcement has disclosed a kind of multifrequency antenna No. I256749, and it comprises Department of Radiation, connecting portion and the grounding parts that works in two frequency bands.Because planar inverted-F antenna need to form slit to regulate the impedance of antenna between Department of Radiation and grounding parts.Therefore the distance of antenna between from Department of Radiation to grounding parts is difficult to be reduced, if reduce by force, can affect again the radiation effect of antenna.Therefore, modern electronic equipment more and more miniaturization now, known planar inverted-F antenna structure can not fully meet the needs of electronics miniaturization.
Therefore, be necessary to provide a kind of multifrequency antenna that improves structure, to solve above technical problem.
[summary of the invention]
The object of the present invention is to provide a kind of little multifrequency antenna that takes up room.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of multifrequency antenna, can be installed on one have to install aforementioned multifrequency antenna insulation shell and with the electronic equipment of the metal backing of insulation shell butt in, this multifrequency antenna comprises the Department of Radiation that is lengthwise extension, any first connecting portion to downward-extension of autoradiolysis portion, from vertically extending the second connecting portion of the first connecting portion, grounding parts with the second connecting portion horizontal interval setting, be connected on the second connecting portion and grounding parts and in the same direction, first of extension is parallel to each other, the second grounded metal paper tinsel.Between first, second grounded metal paper tinsel, be spaced a distance.When multifrequency antenna is assembled into this electronic equipment, the Department of Radiation of multifrequency antenna, the first connecting portion, the second connecting portion, grounding parts are fixed on an insulation shell, first, second grounded metal paper tinsel comprises respectively from the second connecting portion, grounding parts and extends to metal backing and the first at insulation shell connecting line place and the second portion of butt metal backing, between the first of the first of the first grounded metal paper tinsel, the second grounded metal paper tinsel, the second connecting portion and metal backing and the connecting line of insulation shell, forms a slit.
Compared with prior art, multifrequency antenna of the present invention at least has the following advantages: the space that multifrequency antenna of the present invention takies antenna by unique assembling mode is less.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional assembly diagram that the present invention is installed on multifrequency antenna in electronic equipment.
Fig. 2 is the three-dimensional exploded view of Fig. 1 of the present invention.
Fig. 3 is the schematic perspective view of insulated substrate of the present invention.
Fig. 4 is the voltage standing wave ratio figure of multifrequency antenna of the present invention.
[embodiment]
Refer to Fig. 1 to Fig. 3, multifrequency antenna 100 of the present invention is a planar inverted-F antenna, comprise the Department of Radiation 1 that lengthwise extends, 1 one the first connecting portions 21 to downward-extension of autoradiolysis portion, the grounding parts 3 arranging from vertically extending the second connecting portion 22 of the first connecting portion 21, with the second connecting portion 22 horizontal intervals and be connected on the second connecting portion 22 and grounding parts 3 and in the same direction, first, second grounded metal paper tinsel 41,42 of being parallel to each other and extending.Between first, second grounded metal paper tinsel 41,42, be spaced a distance.
Multifrequency antenna 100 is installed in an electronic equipment (not shown), electronic equipment have install multifrequency antenna 100 insulation shell 200 and with the metal backing 300 of insulation shell 200 butts.The Department of Radiation 1 of multifrequency antenna 100, the first connecting portion 21, the second connecting portion 22, grounding parts 3 are fixed on this insulation shell 200, and first, second grounded metal paper tinsel 41,42 comprises respectively from the second connecting portion 22, grounding parts 3 and extends to metal backing 300 and the first 410,420 at insulation shell 200 connecting line 400 places and the second portion 412,422 of butt metal backing 300.Between the first 410 of the first grounded metal paper tinsel 41, the first of the second grounded metal paper tinsel 42 420, the second connecting portion 22 and metal backing 300 and the connecting line 400 of insulation shell 200, form a slit 500.
In the present embodiment, multifrequency antenna 100 also comprises an insulated substrate 600.The Department of Radiation 1 of multifrequency antenna 100, the first connecting portion 21, the second connecting portion 22, grounding parts 3 can utilize the methods such as etching to take shape on insulated substrate 600, and insulated substrate 600 is installed on insulation shell 200.In other embodiment, the Department of Radiation 1 of multifrequency antenna 100, the first connecting portion 21, the second connecting portion 22, grounding parts 3 also can directly be made and are directly installed on insulation shell 200 by a sheet metal.
First, second grounded metal paper tinsel 41,42 vertically extends to insulation shell 200 edges 201 from the second connecting portion 22, grounding parts 3 respectively, and each first 410,420 comprises and is connected to the first brace 4102,4202 of insulation shell 200 and connects the first brace 4102,4202 and the second brace 4103,4203 of the second connecting portion 22, grounding parts 3.Each second brace 4103,4203 is L shaped, the second sidewall 4105,4205 that comprises the first side wall parallel with insulated substrate 600 4104,4204 and connect the first side wall 4104,4204 and the first brace 4102,4202 of corresponding grounded metal paper tinsel 41,42.The side of first, second grounded metal paper tinsel 41,42 is all Z-shaped.In the present embodiment, the width of the first grounded metal paper tinsel 41 is less than the width of the second grounded metal paper tinsel 42, in other embodiment, also can adjust as required.
The Department of Radiation 1 of multifrequency antenna 100, the first connecting portion 21, the second connecting portion 22, grounding parts 3 are in the same plane, and Department of Radiation 1, the first connecting portion 21, the second connecting portion 22 and grounding parts 3 form one I-shaped.Department of Radiation 1 comprises the first Department of Radiation 11 extending to first direction from the first connecting portion 21 ends and the second Department of Radiation 12 extending to second direction from the first connecting portion 21 ends, and first direction is contrary with second direction.The second Department of Radiation 12 is L shaped.First, second Department of Radiation 11,12 works in respectively different frequency bands.
Multifrequency antenna 100 also comprises a feeder line 5.Feeder line 5 comprises that one is connected in the inner wire 51 of the first connecting portion 21 and the second connecting portion 22 junctions and the outer conductor 52 that is connected in grounding parts 3.
Multifrequency antenna 100 of the present invention utilize antenna metal ground connection paper tinsel utilization and with the assembling mode of insulation shell 200 and metal backing 300, make to form a slit 500 between first, second metal forming 41,42 of multifrequency antenna 100.This slit 500 can regulate the impedance matching of antenna, thereby the grounding parts 3 that makes multifrequency antenna 100 of the present invention does not need to extend to form and form two or more flutings between the second connecting portion 22 and grounding parts 3 from the second connecting portion 22 to regulate impedance matching, the volume of grounding parts 3 parts is reduced, and grounded metal paper tinsel 41,42 is owing to itself being connected on metal backing 300 and can not take unnecessary space.So the space that the present invention utilizes assembling mode to make the manufacturing cost of multifrequency antenna 100 reduce, take dwindles greatly.Please refer to shown in 4 figure, multifrequency antenna 100 of the present invention is good works in one high and one low two frequency bands.In other embodiment, the shape of the first 410,420 of grounded metal paper tinsel 41,42 can be adjusted shape and length as required suitably to adjust slit 500 to reach the impedance needing.In the present embodiment, first, second grounded metal paper tinsel 41,42 is to be connected to the second connecting portion 22, grounding parts 3, and in other embodiment, the distance between first, second grounded metal paper tinsel 41,42 also can suitably be adjusted.
Claims (10)
1. a multifrequency antenna, can be installed on one have to install described multifrequency antenna insulation shell and with the electronic equipment of the metal backing of described insulation shell butt in, described multifrequency antenna comprises the Department of Radiation that is lengthwise extension, from any first connecting portion to downward-extension of described Department of Radiation, from vertically extending the second connecting portion of described the first connecting portion, the grounding parts arranging with described the second connecting portion horizontal interval and be connected on described the second connecting portion and described grounding parts and in the same direction, first of extension is parallel to each other, the second grounded metal paper tinsel, described first, between the second grounded metal paper tinsel, be spaced a distance, it is characterized in that: when described in described multifrequency antenna is assembled into this during electronic equipment, the Department of Radiation of described multifrequency antenna, the first connecting portion, the second connecting portion, grounding parts is fixed on described insulation shell, described first, the second grounded metal paper tinsel comprises respectively from described the second connecting portion, grounding parts extends to described metal backing and the first at insulation shell connecting line place and the second portion of butt metal backing, the first of described the first grounded metal paper tinsel, the first of described the second grounded metal paper tinsel, between described the second connecting portion and described metal backing and the connecting line of insulation shell, form a slit.
2. multifrequency antenna as claimed in claim 1, it is characterized in that: described multifrequency antenna also comprises an insulated substrate, the Department of Radiation of described multifrequency antenna, the first connecting portion, the second connecting portion and grounding parts are installed on described insulated substrate, and described insulated substrate is installed on described insulation shell.
3. multifrequency antenna as claimed in claim 2, it is characterized in that: described first, second grounded metal paper tinsel vertically extends to described insulation shell edge from described the second connecting portion, grounding parts respectively, and described in each, first comprises the second brace that is connected to the first brace of described insulation shell and connects described the first brace and grounding parts.
4. multifrequency antenna as claimed in claim 3, it is characterized in that: described each second brace is L shaped the second sidewall that comprises the first side wall parallel with described insulated substrate and connect described the first side wall and the first brace of corresponding described grounded metal paper tinsel.
5. multifrequency antenna as claimed in claim 2, is characterized in that: the Department of Radiation of described multifrequency antenna, the first connecting portion, the second connecting portion and grounding parts are in the same plane and form one I-shaped.
6. multifrequency antenna as claimed in claim 1, it is characterized in that: described Department of Radiation comprises the first Department of Radiation extending to first direction from described the first connecting portion end and the second Department of Radiation extending to second direction from described the first connecting portion end, and described first direction is contrary with described second direction.
7. multifrequency antenna as claimed in claim 6, is characterized in that: described the second Department of Radiation is L shaped.
8. multifrequency antenna as claimed in claim 7, is characterized in that: described first, second Department of Radiation works in respectively different frequency bands.
9. multifrequency antenna as claimed in claim 1, is characterized in that: the side of described first, second grounded metal paper tinsel is all Z-shaped.
10. multifrequency antenna as claimed in claim 1, is characterized in that: described multifrequency antenna also comprises a feeder line, and described feeder line comprises that one is connected in the inner wire of described the first connecting portion and the second connecting portion junction and the outer conductor that is connected in described grounding parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354084.XA CN103682622B (en) | 2012-09-21 | 2012-09-21 | Multifrequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210354084.XA CN103682622B (en) | 2012-09-21 | 2012-09-21 | Multifrequency antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682622A true CN103682622A (en) | 2014-03-26 |
| CN103682622B CN103682622B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210354084.XA Active CN103682622B (en) | 2012-09-21 | 2012-09-21 | Multifrequency antenna |
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| Country | Link |
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| CN (1) | CN103682622B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270076A (en) * | 2017-01-03 | 2018-07-10 | 和硕联合科技股份有限公司 | Planar antenna module and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610182A (en) * | 2003-10-24 | 2005-04-27 | 广达电脑股份有限公司 | Multi-channel antenna |
| US20100097282A1 (en) * | 2008-10-22 | 2010-04-22 | Psion Teklogix Inc. | Multi-band compact antenna system for handheld devices |
| CN101997161A (en) * | 2009-08-25 | 2011-03-30 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN102468531A (en) * | 2010-11-04 | 2012-05-23 | 广达电脑股份有限公司 | Multi-frequency antenna |
-
2012
- 2012-09-21 CN CN201210354084.XA patent/CN103682622B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610182A (en) * | 2003-10-24 | 2005-04-27 | 广达电脑股份有限公司 | Multi-channel antenna |
| US20100097282A1 (en) * | 2008-10-22 | 2010-04-22 | Psion Teklogix Inc. | Multi-band compact antenna system for handheld devices |
| CN101997161A (en) * | 2009-08-25 | 2011-03-30 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN102468531A (en) * | 2010-11-04 | 2012-05-23 | 广达电脑股份有限公司 | Multi-frequency antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270076A (en) * | 2017-01-03 | 2018-07-10 | 和硕联合科技股份有限公司 | Planar antenna module and electronic device |
| CN108270076B (en) * | 2017-01-03 | 2020-02-07 | 和硕联合科技股份有限公司 | Planar antenna module and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682622B (en) | 2016-03-02 |
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