CN103682622B - Multifrequency antenna - Google Patents
Multifrequency antenna Download PDFInfo
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- CN103682622B CN103682622B CN201210354084.XA CN201210354084A CN103682622B CN 103682622 B CN103682622 B CN 103682622B CN 201210354084 A CN201210354084 A CN 201210354084A CN 103682622 B CN103682622 B CN 103682622B
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- connecting portion
- multifrequency antenna
- department
- radiation
- grounding parts
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Abstract
A kind of multifrequency antenna (100), can be installed in an insulation shell (200) install with described multifrequency antenna and the electronic equipment of metal backing (300) that abuts with insulation shell, this multifrequency antenna comprise Department of Radiation (1), autoradiolysis portion a bit to first connecting portion (21) of downward-extension, from vertically extending second connecting portion (22) of the first connecting portion, grounding parts (3), first, second grounded metal paper tinsel (41,42) be connected on the second connecting portion and grounding parts of arranging with the second connecting portion horizontal interval.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, the second connecting portion and form a slit between metal backing and the connecting line of insulation shell, the space that multifrequency antenna of the present invention makes antenna take by the assembling mode of uniqueness is less.
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 is announced No. I256749 and is disclosed a kind of multifrequency antenna, and it comprises the Department of Radiation, connecting portion and the grounding parts that work in two frequency bands.Because planar inverted-F antenna needs to form slit to regulate the impedance of antenna between Department of Radiation and grounding parts.Therefore the distance of antenna between Department of Radiation to grounding parts is difficult to be reduced, if reduce by force, the radiation effect of antenna can be affected again.Therefore at more and more miniaturized present of modern electronic equipment, known planar inverted-F antenna structure fully can not meet the needs of electronics miniaturization.
Therefore, be necessary the multifrequency antenna that a kind of modified node method is provided, 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 in an insulation shell install with aforementioned multifrequency antenna and the electronic equipment of metal backing that abuts with insulation shell, this multifrequency antenna comprises the Department of Radiation extended in lengthwise, autoradiolysis portion is a bit to the first connecting portion of downward-extension, from vertically extending second connecting portion of the first connecting portion, the grounding parts arranged with the second connecting portion horizontal interval, to be connected on the second connecting portion and grounding parts and in the same direction, extend parallel to each other first, second grounded metal paper tinsel.Be spaced a distance between first, second grounded metal paper tinsel.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 and extends to the Part I at metal backing and insulation shell connecting line place from the second connecting portion, grounding parts and abut the Part II of metal backing, the Part I of the first grounded metal paper tinsel, Part I, second connecting portion of the second grounded metal paper tinsel and form a slit between metal backing and the connecting line of insulation shell.
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 makes antenna take by the assembling mode of uniqueness 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, the first connecting portion 21 from 1 one, autoradiolysis portion to downward-extension, from vertically extending second connecting portion 22 of the first connecting portion 21, the grounding parts 3 arranged with the second connecting portion 22 horizontal interval and to 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 extending parallel to each other.Be spaced a distance between first, second grounded metal paper tinsel 41,42.
Multifrequency antenna 100 is installed in an electronic equipment (not shown), and electronic equipment has the insulation shell 200 installing multifrequency antenna 100 and the metal backing 300 abutted with insulation shell 200.Department of Radiation 1, first connecting portion 21, second connecting portion 22 of multifrequency antenna 100, grounding parts 3 are fixed on this insulation shell 200, and first, second grounded metal paper tinsel 41,42 comprises respectively and extends to the Part I 410,420 at metal backing 300 and insulation shell 200 connecting line 400 place from the second connecting portion 22, grounding parts 3 and abut the Part II 412,422 of metal backing 300.A slit 500 is formed between Part I 420, second connecting portion 22 of Part I 410, second grounded metal paper tinsel 42 of the first grounded metal paper tinsel 41 and the connecting line 400 of metal backing 300 and insulation shell 200.
In the present embodiment, multifrequency antenna 100 also comprises an insulated substrate 600.Department of Radiation 1, first connecting portion 21, second connecting portion 22 of multifrequency antenna 100, 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, Department of Radiation 1, first connecting portion 21, second connecting portion 22 of multifrequency antenna 100, grounding parts 3 also can be directly made up of a sheet metal and directly be installed on insulation shell 200.
First, second grounded metal paper tinsel 41,42 vertically extends to insulation shell 200 edge 201 from the second connecting portion 22, grounding parts 3 respectively, and each Part I 410,420 comprises the first brace 4102,4202 being connected to insulation shell 200 and the second brace 4103,4203 connecting the first brace 4102,4202 and second connecting portion 22, grounding parts 3.Each second brace 4103,4203 is L shape, comprises the first side wall 4104,4204 parallel with insulated substrate 600 and connects the second sidewall 4105,4205 of 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 in 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, also can adjust as required in other embodiment.
Department of Radiation 1, first connecting portion 21, second connecting portion 22 of multifrequency antenna 100, grounding parts 3 are in the same plane, and Department of Radiation 1, first connecting portion 21, second connecting portion 22 and grounding parts 3 are formed one I-shaped.Department of Radiation 1 comprises the first Department of Radiation 11 extended to first direction from the first connecting portion 21 end and the second Department of Radiation 12 extended to second direction from the first connecting portion 21 end, and first direction is contrary with second direction.Second Department of Radiation 12 is L shape.First, second Department of Radiation 11,12 works in different frequency bands respectively.
Multifrequency antenna 100 also comprises a feeder line 5.Feeder line 5 comprises one and is connected to the inner wire 51 of the first connecting portion 21 and the second connecting portion 22 junction and is connected to the outer conductor 52 of grounding parts 3.
Multifrequency antenna 100 of the present invention utilizes the utilization of antenna metal ground connection paper tinsel and the assembling mode with insulation shell 200 and metal backing 300, makes 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, thus make the grounding parts 3 of multifrequency antenna 100 of the present invention not need extend to form from the second connecting portion 22 and form two or more fluting to regulate impedance matching between the second connecting portion 22 and grounding parts 3, the volume of grounding parts 3 part is reduced, and grounded metal paper tinsel 41,42 can not take unnecessary space owing to itself being connected on metal backing 300.So, the present invention utilize assembling mode to make the manufacturing cost of multifrequency antenna 100 reduces, the space that takies reduces greatly.Please refer to shown in 4 figure, what multifrequency antenna 100 of the present invention was good works in one high and one low two frequency bands.In other embodiment, the shape of the Part I 410,420 of grounded metal paper tinsel 41,42 can adjust shape and length as required suitably to adjust slit 500 to reach the impedance of needs.In the present embodiment, first, second grounded metal paper tinsel 41,42 is 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 adjust.
Claims (10)
1. a multifrequency antenna, can be installed in an insulation shell install with described multifrequency antenna and the electronic equipment of metal backing that abuts with described insulation shell, described multifrequency antenna comprises microscler Department of Radiation, from described Department of Radiation a bit to the first connecting portion of downward-extension, from vertically extending second connecting portion of described first connecting portion, the grounding parts arranged with described second connecting portion horizontal interval and to be connected on described second connecting portion and described grounding parts and in the same direction, extend parallel to each other first, second grounded metal paper tinsel, described first, be spaced a distance between second grounded metal paper tinsel, it is characterized in that: when described multifrequency antenna is assembled into electronic equipment described in this, the Department of Radiation of described multifrequency antenna, first connecting portion, second connecting portion, grounding parts is fixed on described insulation shell, described first, second grounded metal paper tinsel comprises from described second connecting portion respectively, grounding parts extends to the Part I at described metal backing and insulation shell connecting line place and abuts the Part II of metal backing, the Part I of described first grounded metal paper tinsel, the Part I of described second grounded metal paper tinsel, described second connecting portion and form a slit between described metal backing and the connecting line of insulation shell.
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: first, second grounded metal paper tinsel described vertically extends to described insulation shell edge from described second connecting portion, grounding parts respectively, and Part I described in each comprises the first brace being connected to described insulation shell and the second brace connecting described first brace and grounding parts.
4. multifrequency antenna as claimed in claim 3, it is characterized in that: each second brace described is L shape, comprise the first side wall parallel with described insulated substrate and connect the second sidewall of 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 formed 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 extended to first direction from described first connecting portion end and the second Department of Radiation extended to second direction from described 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 second Department of Radiation is L shape.
8. multifrequency antenna as claimed in claim 7, is characterized in that: first, second Department of Radiation described works in different frequency bands respectively.
9. multifrequency antenna as claimed in claim 1, is characterized in that: the side of first, second grounded metal paper tinsel described is all in Z-shaped.
10. multifrequency antenna as claimed in claim 1, it is characterized in that: described multifrequency antenna also comprises a feeder line, described feeder line comprises one and is connected to the inner wire of described first connecting portion and the second connecting portion junction and is connected to the outer conductor of 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 CN103682622A (en) | 2014-03-26 |
| CN103682622B true 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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| CN (1) | CN103682622B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI657619B (en) * | 2017-01-03 | 2019-04-21 | 和碩聯合科技股份有限公司 | Planar antenna module and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346531C (en) * | 2003-10-24 | 2007-10-31 | 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 |
| CN101997161B (en) * | 2009-08-25 | 2014-08-27 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN102468531B (en) * | 2010-11-04 | 2015-05-06 | 广达电脑股份有限公司 | Multi-frequency antenna |
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| CN103682622A (en) | 2014-03-26 |
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