CN101114734A - Monopole antenna device - Google Patents

Monopole antenna device Download PDF

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Publication number
CN101114734A
CN101114734A CNA2006100618550A CN200610061855A CN101114734A CN 101114734 A CN101114734 A CN 101114734A CN A2006100618550 A CNA2006100618550 A CN A2006100618550A CN 200610061855 A CN200610061855 A CN 200610061855A CN 101114734 A CN101114734 A CN 101114734A
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CN
China
Prior art keywords
radiant
section
radiant section
antenna device
monopole antenna
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Granted
Application number
CNA2006100618550A
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Chinese (zh)
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CN101114734B (en
Inventor
施延宜
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN2006100618550A priority Critical patent/CN101114734B/en
Publication of CN101114734A publication Critical patent/CN101114734A/en
Application granted granted Critical
Publication of CN101114734B publication Critical patent/CN101114734B/en
Expired - Fee Related legal-status Critical Current
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Abstract

A monopole antenna device comprises a signal feed-in part, a main radiator and a match. The signal feed-in part is arranged on a clearance zone of a substrate to feed-in electromagnetic wave signals. The main radiator is electrically connected with the signal feed-in part to receive and send electromagnetic wave signals. The main radiator comprises a first radiator and a second radiator, and the second radiator is electrically connected with the first radiator. The first radiator is formed on a first plane, the second radiator is formed on a second plane, and the first plane and the second plane are vertically connected. The match is used for resisting matching and is electrically connected with the main radiator. The monopole antenna device cinctures the main radiator in a tridimensional and tortuous manner, and the main radiator uses metal lines instead of spring thimbles as the materials of the monopole antenna so as to achieve the efficacy of reducing the cost and the size of the monopole antenna device on the premise of without affecting the radiation efficiency of the monopole antenna device.

Description

Monopole antenna device
Technical field
The present invention relates to a kind of monopole antenna device, relate in particular to a kind of monopole antenna device that is applied on the Wireless Telecom Equipment.
Background technology
In recent years, because the market demand of mobile communication product heightens, make development of wireless communication devices more rapid.In numerous wireless communication technologys, and code division multiple access (hereinafter to be referred as: CDMA) development of technology is fit to requirements such as desired big capacity of present mobile communication and high-quality gradually, thereby is subjected to increasing operator and user's favor.
To being applied to the mobile phone of personal communication, increasing user likes that mobile phone is small and exquisite and carries easily, so mobile phone generally all needs to be designed to smaller size smaller.Antenna is the mobile phone important component, is a solution that reduces the mobile phone volume so reduce antenna volume.Yet the antenna assembly of existing mobile phone adopts planar inverted-F antenna (PIFA) design more and uses spring thimble (pogo pin), thus effective reduced volume and make the increase of mobile phone cost.
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 monopole antenna device relates in particular to a kind of monopole antenna device that is applied on the Wireless Telecom Equipment, comprises signal feed-in part, main radiator and matching body.Signal feed-in part is arranged in the headroom district of substrate, is used for the feed-in electromagnetic wave signal.Main radiator and described signal feed-in part electrically connect, be used to receive and dispatch electromagnetic wave signal, described main radiator comprises first radiant body and second radiant body, described second radiant body electrically connects described first radiant body, described first radiant body is formed at first plane, described second radiant body is formed at second plane, and the connection angle on first plane and second plane is greater than 0.Matching body is used for impedance matching, and described matching body and described main radiator electrically connect.
Above-mentioned monopole antenna device, the main radiator solid is circled, and it is the material of unipole antenna and need not use spring thimble that main radiator adopts metal wire, can under the prerequisite of the radiation efficiency that does not influence monopole antenna device, reach the effect that reduces cost and dwindle the shared volume of monopole antenna device.
Description of drawings
Fig. 1 is the schematic diagram of the monopole antenna device in the embodiment of the present invention.
Fig. 2 is the return loss resolution chart of monopole antenna device in electromagnetical analogies gained embodiment of the present invention.
Embodiment
See also Fig. 1, be depicted as the schematic diagram of monopole antenna device 10 in the embodiment of the present invention.
Monopole antenna device 10 comprises signal feed-in part 14, main radiator 18 and matching body 16.Signal feed-in part 14 is arranged on the substrate 20, is used for to main radiator 18 feed-in electromagnetic wave signals.In the present embodiment, substrate 20 is printed circuit board (PCB) (PCB), and first surface 11 is respectively metal with second surface 12 and makes, and is covered in the relative two sides of substrate 20.Headroom district 24 is arranged at a jiao of first surface 11.Signal feed-in part 14 is arranged in the headroom district 24, particularly along the edge setting in headroom district 24.In the present embodiment, signal feed-in part 14 equates with the spacing at other three edge in headroom district 24.
In the present embodiment, main radiator 18 is used to receive and dispatch electromagnetic wave signal, and main radiator 18 is made of the radiant body that is distributed at least two planes.In the present embodiment, main radiator 18 comprises first radiant body 180 and second radiant body 182.First radiant body 180 and second radiant body 182 can be formed in one.
First radiant body 180 is formed at first plane, and second radiant body 182 is formed at second plane.In the present embodiment, first plane and second plane are roughly vertical mutually, and first plane and substrate 20 roughly are parallel to each other.
In other execution mode of the present invention, first plane and second plane also can form other angle and also can become other angle greater than 0, the first plane with substrate 20.
First radiant body 180 comprises first radiant section 1800, second radiant section 1802 and the 3rd radiant section 1804.First radiant section, 1,800 one ends and signal feed-in part 14 electrically connect, and an end of first radiant section 1800 is roughly vertical mutually with the side 22 of substrate 20.The other end of one end of second radiant section 1802 and first radiant section 1800 electrically connects, and second radiant section, 1802 other ends and the 3rd radiant section 1,804 one ends electrically connect, and the side 22 of second radiant section 1802 and substrate 20 roughly is parallel to each other.The 3rd radiant section 1804 and first radiant section 1800 roughly are parallel to each other.In the present embodiment, second radiant section 1802 and first radiant section 1800 and 1804 vertical connections of the 3rd radiant section.
In other execution mode of the present invention, also can become other angle between second radiant section 1802 and first radiant section 1800 and the 3rd radiant section 1804.
Second radiant body 182 comprises the 4th radiant section 1820, the 5th radiant section 1822 and the 6th radiant section 1824.The 4th radiant section 1,820 one ends electrically connect the other end of the 3rd radiant section 1804, and the 4th radiant section 1820 and second radiant section 1802 roughly is parallel to each other and about equally.In the present embodiment, the 4th radiant section 1820 and 1804 vertical connections of the 3rd radiant section.
In other execution mode of the present invention, the 4th radiant section 1820 also can become other angle with the 3rd radiant section 1804.
The 5th radiant section 1,822 one ends electrically connect the 4th radiant section 1820 other ends, and the 5th radiant section 1822 is perpendicular to first plane at first radiant body, 180 places.In the present embodiment, the vertical connection between the 5th radiant section 1822 and the 4th radiant section 1820.In other execution mode of the present invention, the 5th radiant section 1822 also can become other angle with the 4th radiant section 1820.The 6th radiant section 1,824 one ends electrically connect the 5th radiant section 1822 other ends, and the other end is an open end, and the 6th radiant section 1824 and the 4th radiant section 1820 roughly are parallel to each other.In the present embodiment, the 6th radiant section 1824 and 1822 vertical connections of the 5th radiant section.
In other execution mode of the present invention, also can become other angle between the 6th radiant section 1824 and the 5th radiant section 1822.
Matching body 16 is used for impedance matching, and it comprises the first matching body section 160 and the second matching body section 162.Matching body 16 is positioned at first plane at first radiant body, 180 places, the first matching body section, 160 1 ends and first radiant section, 1802 other ends electrically connect, and the first matching body section, 160 other ends and the electric connection of the second matching body section, 162 1 ends, the other end of the second matching body section 162 is an open end.The first matching body section 160 and the 3rd radiant section 1804 roughly are parallel to each other, and the first matching body section 160 and first radiant section 1800 are in same straight line and length about equally.In the present embodiment, the first matching body section 160 and 162 vertical connections of the second matching body section, and with 1802 vertical connections of second radiant section.In other execution mode of the present invention, the first matching body section 160 also can become other angle with the second matching body section 162, and also can become other angle with second radiant section 1802.The second matching body section 162 and second radiant section 1802 and the 4th radiant section 1820 roughly are parallel to each other, and between the second matching body section 162 and second radiant section 1802 and the 4th radiant section 1820 apart from equating.
In the present embodiment, first radiant section 1800, second radiant section 1802, the 3rd radiant section 1804, the 4th radiant section 1820, the 5th radiant section 1822, the 6th radiant section 1824, the first matching body section 160 and the second matching body section 162 are all column.
In the present embodiment, the length of first radiant section 1800 is about 5mm, and its diameter is 1mm.The length of second radiant section 1802 is about 35mm, and its diameter is 1mm.The length of the 3rd radiant section 1820 is about 10mm, and its diameter is 1mm.The length of the 4th radiant section 1822 is about 35mm, and its diameter is 1mm.The length of the 5th radiant section 1824 is about 8mm, and its diameter is 1mm.The length of the 6th radiant section 1840 is about 23mm, and its diameter is 1mm.The length of the first matching body section 160 is about 5mm, and its diameter is 1mm.The length of the second matching body section 162 is about 30mm, and its diameter is 1mm.Yet the present invention does not limit above size, and in other embodiments, monopole antenna device 10 can have other size.
See also Fig. 2, be depicted as the return loss resolution chart of monopole antenna device 10 in electromagnetical analogies gained embodiment of the present invention.
As seen from the figure, when monopole antenna device 10 worked in 824MHz to the 894MHz frequency range of code division multiple access (CDMA) standard, its attenuation amplitude was all less than-8dB.
The monopole antenna device 10 of embodiment of the present invention, main radiator 18 solids are circled, main radiator 18 is formed on two planes at least, and it is the material of unipole antenna and need not use spring thimble that main radiator 18 adopts metal wires, can under the prerequisite of the radiation efficiency that does not influence monopole antenna device 10, reach the effect that reduces cost and dwindle monopole antenna device 10 shared volumes.

Claims (13)

1. a monopole antenna device is characterized in that, described monopole antenna device comprises:
Signal feed-in part is arranged in the headroom district of substrate, is used for the feed-in electromagnetic wave signal;
Main radiator, electrically connect with described signal feed-in part, be used to receive and dispatch electromagnetic wave signal, described main radiator comprises first radiant body and second radiant body, described second radiant body electrically connects described first radiant body, described first radiant body is formed at first plane, and described second radiant body is formed at second plane, and described first plane and the described second plane connection angle are greater than 0; And
Matching body is used for impedance matching, and described matching body and described main radiator electrically connect.
2. monopole antenna device as claimed in claim 1 is characterized in that the surface of described first plane and described substrate is parallel to each other, and with vertical connection of described second plane.
3. monopole antenna device as claimed in claim 1 is characterized in that, described first radiant body and described second radiant body are formed in one.
4. monopole antenna device as claimed in claim 1 is characterized in that, described second radiant body and described vertical connection of first radiant body.
5. monopole antenna device as claimed in claim 1, it is characterized in that, described first radiant body comprises first radiant section, second radiant section and the 3rd radiant section, described first radiant section and described matching body and described signal feed-in part electrically connect, and described second radiant section electrically connects described first radiant section and described the 3rd radiant section.
6. monopole antenna device as claimed in claim 5 is characterized in that, described first radiant section and described the 3rd radiant section are parallel to each other, vertical described first radiant section and described the 3rd radiant section of connecting of described second radiant section.
7. monopole antenna device as claimed in claim 5 is characterized in that, described matching body comprises the first matching body section and the second matching body section, and the described first matching body section electrically connects the described second matching body section, and with described vertical connection of second radiant section.
8. monopole antenna device as claimed in claim 7 is characterized in that, described matching body is formed at described first plane.
9. monopole antenna device as claimed in claim 7 is characterized in that, described first matching section and described the 3rd radiant section are parallel to each other, and described second matching section and described second radiant section are parallel to each other.
10. monopole antenna device as claimed in claim 1 is characterized in that, described second radiant body comprises the 4th radiant section, the 5th radiant section and the 6th radiant section, and described the 5th radiant section electrically connects described the 4th radiant section and described the 6th radiant section.
11. monopole antenna device as claimed in claim 10 is characterized in that, described the 4th radiant section and described the 6th radiant section are parallel to each other, vertical described the 4th radiant section and described the 6th radiant section of connecting of described the 5th radiant section.
12. monopole antenna device as claimed in claim 1 is characterized in that, described signal feed-in part is along an edge setting in described headroom district.
13. monopole antenna device as claimed in claim 12 is characterized in that, described signal feed-in part equates with the spacing at other three edges in described headroom district.
CN2006100618550A 2006-07-28 2006-07-28 Monopole antenna device Expired - Fee Related CN101114734B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006100618550A CN101114734B (en) 2006-07-28 2006-07-28 Monopole antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2006100618550A CN101114734B (en) 2006-07-28 2006-07-28 Monopole antenna device

Publications (2)

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CN101114734A true CN101114734A (en) 2008-01-30
CN101114734B CN101114734B (en) 2011-09-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207400A (en) * 2014-12-04 2016-12-07 纬创资通股份有限公司 Wideband monopole type antenna, electronic installation and Anneta module
CN108400427A (en) * 2018-01-25 2018-08-14 瑞声科技(新加坡)有限公司 Antenna system
CN108493584A (en) * 2018-04-26 2018-09-04 Oppo广东移动通信有限公司 Housing unit, antenna module and electronic equipment
CN111475990A (en) * 2020-03-20 2020-07-31 歌尔科技有限公司 Method, device and system for designing monopole antenna

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207400A (en) * 2014-12-04 2016-12-07 纬创资通股份有限公司 Wideband monopole type antenna, electronic installation and Anneta module
CN106207400B (en) * 2014-12-04 2020-03-10 纬创资通股份有限公司 Broadband monopole antenna, electronic device, and antenna module
CN108400427A (en) * 2018-01-25 2018-08-14 瑞声科技(新加坡)有限公司 Antenna system
CN108493584A (en) * 2018-04-26 2018-09-04 Oppo广东移动通信有限公司 Housing unit, antenna module and electronic equipment
CN111475990A (en) * 2020-03-20 2020-07-31 歌尔科技有限公司 Method, device and system for designing monopole antenna
CN111475990B (en) * 2020-03-20 2023-09-05 歌尔科技有限公司 Design method, device and system of monopole antenna

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