CN101110497A - Antenna - Google Patents
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- CN101110497A CN101110497A CNA2006100617064A CN200610061706A CN101110497A CN 101110497 A CN101110497 A CN 101110497A CN A2006100617064 A CNA2006100617064 A CN A2006100617064A CN 200610061706 A CN200610061706 A CN 200610061706A CN 101110497 A CN101110497 A CN 101110497A
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Abstract
An antenna device comprises a signal feed-in line to feed in an electromagnetic wave signal, an antenna to receive and send the electromagnetic wave signal, a matching body for impedance matching and at least one grounded metal surface. Wherein, the antenna is composed of a plurality of radiators, all of which are electrically connected with each other in sequence and formed in different planes. One of these radiators is electrically connected with the signal feed-in line. One end of the matching body is electrically connected with the antenna and the signal feed-in line, and the other end is electrically connected with the grounded metal surface. A projection of the antenna on the matching body is staggered with the matching body. The antenna device above can effectively reduce space occupied by the antenna device.
Description
Technical field
The present invention relates to a kind of antenna assembly, relate in particular to a kind of antenna assembly that is applied on the Wireless Telecom Equipment.
Background technology
In recent years, because the market demand of mobile communication product heightens, make that the development of radio communication is more rapid, in numerous wireless communication standards, the most noticeable is that IEEE is (hereinafter to be referred as IEEE) 802.11 WLAN of Zhi Dinging (Wireless Local Area Network) agreement.
Yet, between in September, 1999, IEEE can become combination with standard between IEEE/ American National Standards Institute and International Standards Organization (ISO)/international electronic technology trade council (IEC) for making 802.11 agreements, it has been done further revision, increased by two important contents in its Description of Revision, promptly IEEE802.11a agreement and IEEE 802.11b agreement are stipulated according to two agreements, in the standard physical layer of expansion, its working band must be arranged at 5GHz and 2.44GHz respectively.
Wireless network card for interfaces such as MINI-PCI, the PCMCIA of access point that is applied to WLAN (Access Point) and notebook computer, USB, or be applied to the Wireless Telecom Equipments such as mobile phone of personal communication, carry for convenience, generally need be designed to smaller size smaller.Antenna is the important component of above-mentioned Wireless Telecom Equipment, is a solution that reduces the Wireless Telecom Equipment volume so reduce antenna volume.So taking into account under the prerequisite of antenna performance, how further to improve design architecture, the antenna of designing in the Wireless Telecom Equipment with the volume of minimum then is a major challenge.
Summary of the invention
In view of this, be necessary to provide a kind of antenna assembly, can effectively reduce the occupied volume of antenna assembly.
A kind of antenna assembly comprises the signal feed-in line that is used for the feed-in electromagnetic wave signal, the antenna body that is used to receive and dispatch electromagnetic wave signal, the matching body that is used for impedance matching and at least one grounding metal plane.Antenna body comprises a plurality of radiant bodies, and described a plurality of radiant bodies are electrical connected successively, and is formed in the different planes, and one of wherein said a plurality of radiant bodies are electrical connected with signal feed-in line.One end of described matching body and antenna body and signal feed-in line electrically connect, and the other end and grounding metal plane electrically connect.Described antenna body overlaps in the projection and the described matching body on plane, matching body place.
Said antenna device has the antenna body of the shape of circling, and antenna body can effectively reduce the shared volume of antenna assembly in the projection on plane, matching body place and the design of matching body overlapping.
Description of drawings
Fig. 1 is the schematic diagram of the antenna assembly in the embodiment of the present invention.
Fig. 2 is the return loss resolution chart of antenna assembly in electromagnetical analogies gained embodiment of the present invention.
Fig. 3 to Fig. 5 is the radiation pattern figure of antenna assembly in electromagnetical analogies gained embodiment of the present invention.
Embodiment
See also Fig. 1, be depicted as the schematic diagram of antenna assembly 10 in the embodiment of the present invention.
In the present embodiment, matching body 16 comprises first matching section 160, second matching section 162 and the 3rd matching section 164.First matching section 160 electrically connects with antenna body 18, and is parallel to each other with the 3rd matching section 164, and second matching section, 162 vertical first matching sections 160 and the 3rd matching section 164, the three matching sections 164 and second grounding metal plane 12 of connecting electrically connect.
Antenna body 18 is used to receive and dispatch electromagnetic wave signal, is surrounded at least two adjacent surfaces of insulating body.In the present embodiment, antenna body 18 comprises first radiant body 180, second radiant body 182 and the 3rd radiant body 184.Second radiant body 182 electrically connects first radiant body 180 and the 3rd radiant body 184.In other execution mode of the present invention, antenna body 18 included radiant bodies can be a plurality of.For example, when insulating body was circle, antenna body 18 can be ring-type, and this moment, visual included radiant body was infinite a plurality of.
The plane at first radiant body, 180 places is first plane, and the plane at second radiant body, 182 places is second plane, and the plane at the 3rd radiant body 184 places is the 3rd plane.First plane, second plane and the 3rd plane are respectively three adjacent surfaces of described insulating body.First plane and the 3rd plane roughly are parallel to each other, and second plane and first plane and the 3rd plane are roughly vertical mutually, and second plane and substrate 20 roughly are parallel to each other.
First radiant body 180 comprises first radiant section 1800 and second radiant section 1802.First radiant section 1800 electrically connects with matching body 160 and signal feed-in line 14, and first radiant section 1800 is perpendicular to the plane at matching body 160 places.One end of one end of second radiant section 1802 and first radiant section 1800 electrically connects, and the other end and second radiant body 182 electrically connect, and first radiant section 1800 is vertical mutually with second radiant section 1802.
Second radiant body 182 comprises the 3rd radiant section 1820, the 4th radiant section 1822 and the 5th radiant section 1824.The 3rd radiant section 1820 is parallel to each other with the 5th radiant section 1824 and equates.The 4th radiant section 1822 is perpendicular to the 3rd radiant section 1820 and the 5th radiant section 1824, and electrically connects an end of the 3rd radiant section 1820 and an end of the 5th radiant section 1824.The other end of the 3rd radiant section 1820 and first radiant body 180 electrically connect, and the 3rd radiant section 1820 is perpendicular to first plane at first radiant body, 180 places.The other end of the 5th radiant section 1824 and the 3rd radiant body 184 electrically connect, and the 5th radiant section 1824 is perpendicular to the 3rd plane at the 3rd radiant body 184 places.
The 3rd radiant body 184 comprises the 6th radiant section 1840.One end of the 6th radiant section 1840 and second radiant body 182 electrically connect, and the other end is an open end.In the present embodiment, second radiant section, 1802 equal and opposite in directions of the 6th radiant section 1840 and first radiant body 180, and be parallel to each other.
In the present embodiment, to be all strip square for first radiant section 1800, second radiant section 1802, the 3rd radiant section 1820, the 4th radiant section 1822, the 5th radiant section 1824 and the 6th radiant section 1840.
In the present embodiment, the length of first radiant section 1800 is about 2mm, and width is about 1mm.The length of second radiant section 1802 is about 14.4mm, and width is about 1mm.The length of the 3rd radiant section 1820 is about 1mm, and width is about 1mm.The length of the 4th radiant section 1822 is about 14.4mm, and width is about 1mm.The length of the 5th radiant section 1824 is about 1mm, and width is about 1mm.The length of the 6th radiant section 1840 is about 14.4mm, and width is about 1mm.The length of first matching section 160 is about 2mm, and width is about 1mm.The length of second matching section 162 is about 2mm, and width is about 1mm.The length of the 3rd matching section 164 is about 2.5mm, and width is about 1mm.Yet the present invention does not limit above size, and in other embodiments, antenna assembly 10 can have other size.
See also Fig. 2, be depicted as the return loss resolution chart of antenna assembly 10 in electromagnetical analogies gained embodiment of the present invention.
As seen from the figure, when antenna assembly 10 worked in 2.4GHz to the 2.5GHz frequency range of IEEE 802.11b standard, its attenuation amplitude was all less than-10dB.
See also Fig. 3 to Fig. 5, be depicted as that antenna assembly 10 works in the radiation pattern figure that the center frequency range is 2.44GHz in the embodiment of the present invention.
As we know from the figure, antenna assembly 10 works in the center frequency range when being 2.44GHz, has the characteristic of omni-directional radiation.
The antenna assembly 10 of embodiment of the present invention, antenna body 180 solids are circled, and segment bending matching body 16 is set on substrate 20, thereby projection and the matching body 16 of antenna body 180 on substrate 20 overlapped mutually, can under the prerequisite of the radiation efficiency that does not influence antenna assembly 10, reach the effect of dwindling antenna assembly 10 shared volumes.
Claims (10)
1. an antenna assembly is arranged on the substrate, it is characterized in that, described antenna assembly comprises:
Signal feed-in line is used for the feed-in electromagnetic wave signal;
Antenna body is used to receive and dispatch electromagnetic wave signal, and described antenna body comprises a plurality of radiant bodies, and described a plurality of radiant bodies are electrical connected successively, and is formed in the different planes, and one of wherein said a plurality of radiant bodies are electrical connected with described signal feed-in line;
At least one grounding metal plane; And
Matching body is used for impedance matching, and an end of described matching body and described antenna body and described signal feed-in line electrically connect, and the other end and described grounding metal plane electrically connect;
Wherein, described antenna body overlaps in the projection and the described matching body on plane, described matching body place.
2. antenna assembly as claimed in claim 1 is characterized in that, described grounding metal plane and described matching body are arranged at the same side of described substrate, and described grounding metal plane comprises two parts, is arranged at the both sides of described signal feed-in line.
3. antenna assembly as claimed in claim 2 is characterized in that, more comprises another grounding metal plane, is arranged at the opposite side of described substrate.
4. antenna assembly as claimed in claim 1 is characterized in that, described antenna body comprises first radiant body, second radiant body and the 3rd radiant body, and described second radiant body electrically connects described first radiant body and described the 3rd radiant body.
5. antenna assembly as claimed in claim 4 is characterized in that, described first radiant body is formed at first plane, and described second radiant body is formed at second plane, and described the 3rd radiant body is formed at the 3rd plane.
6. antenna assembly as claimed in claim 5, it is characterized in that, described first plane and described the 3rd plane are parallel to each other, and described second plane is vertical mutually with described first plane and described the 3rd plane, and described second plane and plane, described matching body place are parallel to each other.
7. antenna assembly as claimed in claim 4, it is characterized in that, described first radiant body comprises first radiant section and second radiant section, described first radiant section perpendicular to described matching body and with its electric connection, and described first radiant section and described vertical connection of second radiant section, described second radiant section and described second radiant body electrically connect.
8. antenna assembly as claimed in claim 4, it is characterized in that, described second radiant body comprises the 3rd radiant section, the 4th radiant section and the 5th radiant section, described the 3rd radiant section perpendicular to described first radiant body and with its electric connection, vertical described the 3rd radiant section and described the 5th radiant section of connecting of described the 4th radiant section, described the 5th radiant section perpendicular to described the 3rd radiant body and with its electric connection.
9. antenna assembly as claimed in claim 4 is characterized in that, described the 3rd radiant body comprises the 6th radiant section, and an end of described the 6th radiant section and described second radiant body electrically connect, and the other end is an open end.
10. antenna assembly as claimed in claim 1, it is characterized in that, described matching body comprises first matching section, second matching section and the 3rd matching section, described first matching section and described antenna body and described signal feed-in line electrically connect, and described first matching section and described the 3rd matching section are parallel to each other, vertical described first matching section and described the 3rd matching section of connecting of described second matching section, described the 3rd matching section and described grounding metal plane electrically connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100617064A CN101110497A (en) | 2006-07-19 | 2006-07-19 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100617064A CN101110497A (en) | 2006-07-19 | 2006-07-19 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101110497A true CN101110497A (en) | 2008-01-23 |
Family
ID=39042442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100617064A Pending CN101110497A (en) | 2006-07-19 | 2006-07-19 | Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101110497A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931689B (en) * | 2009-06-25 | 2013-03-13 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN103165974A (en) * | 2011-12-09 | 2013-06-19 | 立积电子股份有限公司 | Electronic device and antenna module thereof |
| CN103390792A (en) * | 2012-05-11 | 2013-11-13 | 纬创资通股份有限公司 | Portable electronic device, antenna structure thereof and antenna resonator unit |
| CN107181061A (en) * | 2016-03-09 | 2017-09-19 | 致伸科技股份有限公司 | The circuit module and electronic installation of antenna structure and the application antenna structure |
-
2006
- 2006-07-19 CN CNA2006100617064A patent/CN101110497A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931689B (en) * | 2009-06-25 | 2013-03-13 | 深圳富泰宏精密工业有限公司 | Wireless communication device |
| CN103165974A (en) * | 2011-12-09 | 2013-06-19 | 立积电子股份有限公司 | Electronic device and antenna module thereof |
| CN103165974B (en) * | 2011-12-09 | 2016-02-17 | 立积电子股份有限公司 | Electronic device and antenna module thereof |
| CN103390792A (en) * | 2012-05-11 | 2013-11-13 | 纬创资通股份有限公司 | Portable electronic device, antenna structure thereof and antenna resonator unit |
| CN107181061A (en) * | 2016-03-09 | 2017-09-19 | 致伸科技股份有限公司 | The circuit module and electronic installation of antenna structure and the application antenna structure |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080123 |