CN103943944B - The wireless communication device of antenna structure and the application antenna structure - Google Patents
The wireless communication device of antenna structure and the application antenna structure Download PDFInfo
- Publication number
- CN103943944B CN103943944B CN201310016694.3A CN201310016694A CN103943944B CN 103943944 B CN103943944 B CN 103943944B CN 201310016694 A CN201310016694 A CN 201310016694A CN 103943944 B CN103943944 B CN 103943944B
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- radiator
- extension
- sheet body
- linkage section
- antenna structure
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Abstract
The present invention provides a kind of antenna structure, including feeding portion, grounding parts, the first radiator, the second radiator and third radiator.First radiator is connect with the second radiator with feeding portion, first radiator has the wireless signal of the first centre frequency for receiving and dispatching, the third radiator includes the first linkage section, second linkage section and third linkage section, first linkage section is connect with grounding parts, between the third linkage section connection and the first linkage section and the second linkage section, first linkage section and the second linkage section are arranged in parallel in the second radiator both sides, so that the current coupling on third radiator and the second radiator, and jointly receiving and dispatching the wireless signal with second central frequency.The present invention also provides a kind of wireless communication device of the application antenna structure, antenna structure of the invention helps to reduce the size of antenna, convenient for the miniaturization of wireless communication device by the spatial position of the second radiator of reasonable disposition and third radiator.
Description
Technical field
The present invention relates to the wireless communication devices of a kind of antenna structure and the application antenna structure.
Background technology
With wireless communication vigorous growth, change our life and bring various facilities, also therefore occur
Miscellaneous wireless communications products.However, with the diversification of wireless product, required communication band also gradually increases,
And the size of these communication products has diminishing trend with inner space, the design space of relative antenna is also compressed.
Therefore, how in a limited space the interior antenna for designing wider band will be a major challenge.
Invention content
In view of this, it is necessary to provide a kind of frequency band wider antenna structure.
A kind of wireless communication device of the application antenna structure is provided in addition, there is a need to.
A kind of antenna structure, should including feeding portion, grounding parts, the first radiator, the second radiator and third radiator
First radiator is connect with the second radiator with feeding portion, and first radiator has the nothing of the first centre frequency for receiving and dispatching
Line signal, the third radiator include the first linkage section, the second linkage section and third linkage section, and first linkage section is with connecing
Ground portion connects, between the third linkage section connection and the first linkage section and the second linkage section, first linkage section and second
Linkage section is arranged in parallel in the second radiator both sides, so that the current coupling on third radiator and the second radiator, and it is common
To receive and dispatch the wireless signal with second central frequency.
A kind of wireless communication device, including mainboard and antenna structure, the antenna structure include feeding portion, grounding parts,
First radiator, the second radiator and third radiator, feeding portion, grounding parts are all connected on mainboard, first radiator with
Second radiator is connect with feeding portion, and the first radiator has the wireless signal of the first centre frequency, the third for receiving and dispatching
Radiator includes the first linkage section, the second linkage section and third linkage section, and first linkage section connect with grounding parts, and described the
Three linkage sections are connected between the first linkage section and the second linkage section, and first linkage section is arranged in parallel in the second linkage section
Second radiator both sides, so that the current coupling on third radiator and the second radiator, and have second jointly to receive and dispatch
The wireless signal of centre frequency.
Above-mentioned antenna structure includes multiple radiators, and passes through the second radiator by current coupling to third radiator
On, so that antenna structure can receive and dispatch the wireless signal of multiple frequency ranges, increase the bandwidth of antenna.On the other hand, day of the invention
Cable architecture is helped to reduce the size of antenna, be convenient for by the spatial position of the second radiator of reasonable disposition and third radiator
The miniaturization of wireless communication device.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the wireless communication device of better embodiment of the present invention.
Fig. 2 is the schematic diagram of the antenna structure of wireless communication device shown in FIG. 1.
Fig. 3 is the return loss plot of antenna structure shown in Fig. 2.
Main element symbol description
| Antenna structure | 100 |
| Feeding portion | 10 |
| Grounding parts | 20 |
| First radiator | 30 |
| First extension | 31 |
| Second extension | 33 |
| Third extension | 35 |
| Second radiator | 40 |
| Third radiator | 50 |
| First linkage section | 51 |
| Second linkage section | 52 |
| Third linkage section | 53 |
| Extension | 54 |
| First sheet body | 541 |
| Second sheet body | 542 |
| Third sheet body | 543 |
| 4th sheet body | 544 |
| Wireless communication device | 200 |
| Mainboard | 220 |
| Feed-in terminal separated | 240 |
| Ground terminal | 260 |
Following specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
It please refers to Fig.1 and Fig. 2, better embodiment of the invention provides a kind of antenna structure 100, be applied to mobile electricity
In the wireless communication devices such as words, tablet computer.In the present embodiment, which is suspended at a wireless communication device 200
Mainboard 220 on.
Referring to Fig. 1, a mainboard 220 substantially cuboid, a feed-in terminal separated 240 is equipped at intervals on the mainboard 220
An and ground terminal 260.
Referring to Fig. 1, the antenna structure 100 includes feeding portion 10, grounding parts 20, the first radiator 30, the second radiator
40 and third radiator 50.The feeding portion 10 of the antenna structure 100 is electrically connected with feed-in terminal separated 240, with for antenna structure 100
Feed-in electric current, grounding parts 20 and the ground terminal 260 of the antenna structure 100 are electrically connected, so as to flow into the electricity of antenna structure 100
Stream forming circuit.
Referring to Fig. 2, first radiator 30 includes sequentially connected first extension 31, the second extension 33 and third
Extension 35.In the present embodiment, in which is generally aligned in the same plane.First extension
31 are connected to the side of feeding portion 10.Second extension, 33 and first extension, 31 vertical connection, and with third extension 35
Arc-shaped transition connects.Plane where the third extension 35 is substantially perpendicular with the plane where the first extension 31.It is setting
Meter and fabrication stage, by adjusting the length of first radiator 30 so that the antenna structure 100 is receiving and dispatching the first centre frequency
There is preferable effect during wireless signal (such as 1800/1900 frequency ranges of GSM) for 1680MHz ~ 2060MHz.
Referring to Fig. 2, second radiator 40 is connected to side of the feeding portion 10 with respect to the first radiator 30, and towards separate
It is more than third extension 35 that the direction of first extension 31, which extends, so that 30 and second radiator 40 of the first radiator
It is integrally formed a structure of falling c-type.
The third radiator 50 includes the first linkage section 51, the second linkage section 52,53 and one extended segment 54 of third linkage section.
First linkage section 51 is extended by 20 one end of grounding parts is straight, and the first linkage section 51 and the second linkage section 52 are mutually parallel,
The third linkage section 53 is vertically connected between the first linkage section 51 and the second linkage section 52 to form a c-type structure.In this reality
It applies in example, the first linkage section 51, the second linkage section 52 are suitable with 40 length of the second radiator, and the two is arranged in parallel in the second radiation
40 both sides of body are simultaneously spaced apart with the second radiator 40, so as to flow through the current coupling of the second radiator 40 to third spoke
Beam 50.In the present embodiment, the extended segment 54 is to improve the signal transmitting and receiving efficiency of antenna structure 100, including first
Body 541, the second sheet body 542, third sheet body 543, the 4th sheet body 544.First sheet body 541 is by the first linkage section 51 far from ground connection
Extend the one end in portion 20.Second sheet body 542 is vertically connected between the first sheet body 541 and third sheet body 543, and second
Sheet body 542 and third sheet body 543 are coplanar with, and the plane where the two is substantially vertical with the plane where the first sheet body 541.It should
4th sheet body 544 is connect with the other end arc-shaped transition of third sheet body 543, and court and the third extension 35 of the first radiator 30
Parallel direction extends to cross the third extension 35.In design and fabrication stage, by adjusting the third radiator 50
Spacing between 50 and second radiator 40 of length and third radiator so that the antenna structure 100 is at the second center of receiving and dispatching
There is preferable effect when frequency is wireless signal (such as WCDMA band5/band8 frequency range) of 810MHz ~ 1080MHz.
Referring to Fig. 1, it is further illustrated below in the present embodiment, the operation principle of the antenna structure 100：
First after feed-in terminal separated 240 feed-in electric current of the feeding portion 10 from wireless communication device 200, first radiator 30
On there is electric current to flow through so that the antenna structure 100 transmitting-receiving with the first centre frequency wireless signal.Meanwhile second radiator
Also there is electric current to flow through on 40, since the spacing between 50 and second radiator 40 of third radiator meets pre-provisioning request so that should
Second radiator 40 and third radiator 50 generate coupling effect and inspire new resonance mode, so that the antenna structure 100
Wireless signal of the transmitting-receiving with second central frequency.In this way, the antenna structure 100 can receive and dispatch the wireless signal in multiple frequency ranges.
From the figure 3, it may be seen that the antenna structure 100, in the first centre frequency of transmitting-receiving be 810MHz~1080MHz and second central frequency is
With wider frequency band and higher efficiency during the wireless signal of 1680MHz~2060MHz.
The antenna structure 100 of the present invention includes the first radiator 30, the second radiator 40 and third radiator 50, and causes
Second radiator 40 intercouples with third radiator 50 to excite new resonance mode, to improve the bandwidth of antenna structure 100,
The wideband requirements of wireless communication device 200 can be met.Meanwhile the antenna structure 100 by rationally set the second radiator 40 with
The spatial position of third radiator 50 helps to reduce antenna size.
It is appreciated that if the extended segment 54 of the antenna structure 100 of the present invention is not limited to dry plate described in the present embodiment
Body can be constructed according to the structure of wireless communication device 200 and is properly changed.
In conclusion all equivalent transformations made according to spirit of the invention, should all be covered by the scope of the present invention.
Claims (3)
1. a kind of antenna structure, it is characterised in that：The antenna structure includes feeding portion, grounding parts, the first radiator, the second spoke
Beam and third radiator, first radiator and the second radiator are connect with feeding portion, and first radiator is used to receive
Wireless signal of the hair with the first centre frequency, the third radiator include the first linkage section, the second linkage section and third and connect
Connect section, first linkage section is connect with grounding parts, the third linkage section be connected to the first linkage section and the second linkage section it
Between, first linkage section and the second linkage section are arranged in parallel in the second radiator both sides, so that third radiator and the second spoke
Current coupling on beam, and jointly to receive and dispatch the wireless signal with second central frequency, first radiator includes
First extension, the second extension and third extension, first extension and the second extension vertical connection, and coplanar set
It puts, second extension is connect with third extension arc-shaped transition, the plane where the third extension and the first extension
The plane at place is perpendicular, and second radiator is connected to feeding portion with respect to the first extension side, and prolongs towards far from first
Long section direction extension so that first radiator and the second radiator are integrally formed a structure of falling c-type, which also wraps
An extended segment is included, including the first sheet body, the second sheet body, third sheet body and the 4th sheet body, first sheet body, the second sheet body,
Three sheet bodies and the 4th sheet body are sequentially connected, which is connected to the one end of the first linkage section far from grounding parts, the second sheet body
And third sheet body is coplanar with, the plane where the two is substantially vertical with the plane where the first sheet body, the 4th sheet body and
Three sheet body arc-shaped transitions connect, and extend towards the direction parallel with the third extension of the first radiator and extended with crossing the third
Section.
2. antenna structure as described in claim 1, it is characterised in that：First centre frequency is 1680MH~2060MHz,
The second central frequency is 810MH~1080MHz.
3. a kind of wireless communication device, including mainboard and antenna structure, it is characterised in that：The antenna structure includes feed-in
Portion, grounding parts, the first radiator, the second radiator and third radiator, feeding portion, grounding parts are all connected on mainboard, this
One radiator is connect with the second radiator with feeding portion, and the first radiator has the wireless communication of the first centre frequency for receiving and dispatching
Number, the third radiator includes the first linkage section, the second linkage section and third linkage section, first linkage section and grounding parts
Connection, between the third linkage section connection and the first linkage section and the second linkage section, first linkage section is connect with second
Section is arranged in parallel in the second radiator both sides so that the current coupling on third radiator and the second radiator, and jointly to
Wireless signal of the transmitting-receiving with second central frequency, first radiator include the first extension, the second extension and third
Extension, first extension and the second extension vertical connection, and be coplanar with, second extension extends with third
Section arc-shaped transition connection, the plane where the third extension and the plane where the first extension are perpendicular, second spoke
Beam is connected to feeding portion with respect to the first extension side, and extends towards far from the first extension direction so that first radiation
Body and the second radiator are integrally formed a structure of falling c-type, which further includes an extended segment, including the first sheet body,
Second sheet body, third sheet body and the 4th sheet body, first sheet body, the second sheet body, third sheet body and the 4th sheet body are sequentially connected, should
First sheet body is connected to the one end of the first linkage section far from grounding parts, and the second sheet body and third sheet body are coplanar with, where the two
Plane it is substantially vertical with the plane where the first sheet body, the 4th sheet body is connect with third sheet body arc-shaped transition, and towards with the
The direction that the third extension of one radiator is parallel extends to cross the third extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016694.3A CN103943944B (en) | 2013-01-17 | 2013-01-17 | The wireless communication device of antenna structure and the application antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016694.3A CN103943944B (en) | 2013-01-17 | 2013-01-17 | The wireless communication device of antenna structure and the application antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103943944A CN103943944A (en) | 2014-07-23 |
| CN103943944B true CN103943944B (en) | 2018-06-19 |
Family
ID=51191504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310016694.3A Expired - Fee Related CN103943944B (en) | 2013-01-17 | 2013-01-17 | The wireless communication device of antenna structure and the application antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103943944B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI712215B (en) * | 2019-09-24 | 2020-12-01 | 和碩聯合科技股份有限公司 | Antenna structure and communication device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864320A (en) * | 1988-05-06 | 1989-09-05 | Ball Corporation | Monopole/L-shaped parasitic elements for circularly/elliptically polarized wave transceiving |
| CN201498592U (en) * | 2009-08-06 | 2010-06-02 | 国基电子（上海）有限公司 | Double frequency antenna |
| TWI378602B (en) * | 2008-11-07 | 2012-12-01 | Univ Nat Sun Yat Sen | A multiband monopole antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004025778A1 (en) * | 2002-09-10 | 2004-03-25 | Fractus, S.A. | Coupled multiband antennas |
-
2013
- 2013-01-17 CN CN201310016694.3A patent/CN103943944B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4864320A (en) * | 1988-05-06 | 1989-09-05 | Ball Corporation | Monopole/L-shaped parasitic elements for circularly/elliptically polarized wave transceiving |
| TWI378602B (en) * | 2008-11-07 | 2012-12-01 | Univ Nat Sun Yat Sen | A multiband monopole antenna |
| CN201498592U (en) * | 2009-08-06 | 2010-06-02 | 国基电子（上海）有限公司 | Double frequency antenna |
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| Publication number | Publication date |
|---|---|
| CN103943944A (en) | 2014-07-23 |
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