CN103682586B - Antenna structure - Google Patents
Antenna structure Download PDFInfo
- Publication number
- CN103682586B CN103682586B CN201210362513.8A CN201210362513A CN103682586B CN 103682586 B CN103682586 B CN 103682586B CN 201210362513 A CN201210362513 A CN 201210362513A CN 103682586 B CN103682586 B CN 103682586B
- Authority
- CN
- China
- Prior art keywords
- radiator
- feed side
- main part
- ground terminal
- antenna structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
The present invention provides a kind of antenna structure, it includes spaced and not connected feed side and ground terminal, an at least radiator is connected on the feed side, at least another radiator is connected on the ground terminal, current coupling on the feed side is to ground terminal, the current coupling being connected on the radiator of feed side to the radiator for being connected to ground terminal.The antenna structure is intercoupled the wireless signal that can receive and dispatch multiple frequency ranges so as to antenna structure by the electric current on multiple radiators, increases the bandwidth of antenna.
Description
Technical field
The present invention relates to a kind of antenna structures.
Background technology
In a wireless communication device, for emitting, receive radio wave to transmit, exchange the antenna of radio data signal
Device, undoubtedly one of most important component in wireless communication device.The communication systems using different operating frequency band various in recent years
System and the emergence of application, then so that the design direction of antenna covers the antenna structure development of multiple band system bands.In order to true
Signal transmission can be carried out in the various wireless communication system for use different operating frequency band by protecting wireless communication device, this day traditional thread binding
Put the signal for allowing for receiving and dispatching a variety of different frequencies.On the other hand, antenna structure general structure is complex, but due to antenna
The appearance of module is also intended to frivolous with being miniaturized so that Antenna Design also needs to be provided simultaneously with miniaturization other than broadband
Feature.How to make antenna that there is the characteristic in broadband under the premise of wireless communication device volume is not increased, it has also become each day
The challenge of line manufacturer maximum.
Invention content
In view of the above circumstances, it is necessary to which a kind of antenna structure of broader bandwidth is provided.
A kind of antenna structure including spaced and not connected feed side and ground terminal, is connected on the feed side
A few radiator, connects at least another radiator on the ground terminal, and the current coupling on the feed side is connected to feedback to ground terminal
Enter current coupling on the radiator at end to the radiator for being connected to ground terminal.
A kind of antenna structure, including feed side, ground terminal, the first radiator, the second radiator, third radiator and
Four radiators, the feed side and ground terminal are separately positioned and form an interval, which is connected to the side of feed side,
Second radiator is connected to the same end of feed side, and be oppositely arranged with third radiator, and the 4th radiator, which is connected to, to be connect
The side of ground terminal, current coupling on the feed side to ground terminal, current coupling on the third radiator to the 4th radiator.
Above-mentioned antenna structure is by setting spaced and not connected feed side and ground terminal so that on feed side
Electric current is coupled to ground terminal；Simultaneously by the electric current on multiple radiators intercouple so as to antenna structure can receive and dispatch it is multiple
The wireless signal of frequency range increases the bandwidth of antenna.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the antenna structure of the first better embodiment of the invention；
Fig. 2 is the return loss of antenna structure shown in FIG. 1（Return Loss, RL）Schematic diagram.
Main element symbol description
| Antenna structure | 100 |
| Feed side | 10 |
| Main part | 12 |
| Engaging portion | 14 |
| Ground terminal | 20 |
| Main paragraph | 22 |
| Adapter section | 24 |
| First radiator | 30 |
| First linkage section | 32 |
| Second linkage section | 34 |
| Second radiator | 40 |
| First extension | 42 |
| Second extension | 44 |
| Third radiator | 50 |
| First extended segment | 52 |
| Second extended segment | 54 |
| Third extended segment | 56 |
| 4th radiator | 60 |
| Flat segments | 62 |
| Segmental arc | 64 |
| Bending segment | 66 |
Following specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
Referring to Fig. 1, the better embodiment of the present invention provides a kind of antenna structure 100, be applied to tablet computer,
In the wireless communication devices such as mobile phone, for data such as receiving and transmitting voice, images.
The antenna structure 100 includes feed side 10, ground terminal 20, the first radiator 30, the second radiator 40, third radiation
50 and the 4th radiator 60 of body.
The feed side 10 includes a main part 12 and an engaging portion 14.A main part 12 substantially rectangular sheet, the knot
Conjunction portion 14 is connected to one end of main part 12 at an angle, the signal feed-in on the circuit board with wireless communication device
Point（It is not shown）It is electrically connected, with for 100 feed-in electric current of antenna structure.
The ground terminal 20 includes a main paragraph 22 and an adapter section 24.A main paragraph 22 substantially rectangular sheet, with
The main part 12 of feed side 10 is discretely（It is not connected）Same plane is set to, and spaced apart.In the present embodiment, should
Interval is about 0.5-0.8cm, so as to from the current coupling of 10 feed-in of feed side to the ground terminal 20.The adapter section 24 is in certain
One end of main paragraph 22 is connected to angle, the system earth point on the circuit board with wireless communication device（It is not shown）Electricity
Property connection so that flow through antenna structure 100 electric current forming circuit.
First radiator 30 is connected on feed side 10, and in being generally aligned in the same plane with the main part 12 of feed side 10.
First radiator 30 includes the first linkage section 32 and the second linkage section 34.First linkage section 32 is an elongated sheet body,
It is connected to side of the main part 12 with respect to feed side 10.The one of second linkage section, 34 and first linkage section, the 32 opposite main part 12
Vertical connection is held, and is extended towards the direction parallel with main part 12.In design and fabrication stage, by adjusting first radiator
30 length so that the antenna structure 100 is receiving and dispatching wireless signal (such as GSM850/ that the first centre frequency is 824-960MHz
EGSM900/WCDMA V, VIII frequency ranges) when have preferable effect.
Second radiator 40 is an elongated sheet body, is set to substantially perpendicular with the plane where feed side 10
In plane.Second radiator 40 includes the first extension 42 and the second extension 44, one end of first extension 42 are vertical
The one end of main part 12 with respect to engaging portion 14 is connected to, which is connected to the other end of the first extension 42, and
It is obliquely extended towards the direction of the first linkage section 32 close to the first radiator 30.
The third radiator 50 is also an elongated sheet body, is set to substantially perpendicular with the plane where feed side 10
Plane in, it is and substantially opposite with the second radiator 40.The third radiator 50 includes the first extended segment 52, the second extended segment 54
And third extended segment 56, one end of first extended segment 52 are vertically connected at the one end of main part 12 with respect to engaging portion 14, and with
First extension 42 of the second radiator 40 connects.Oblique first extended segment 52 that is connected in second extended segment 54 extends with third
Between section 56.The third extended segment 56 is arranged substantially in parallel with the first extended segment 52.
In design and fabrication stage, by adjusting the length of second radiator 40 and/or third radiator 50 so that should
The wireless signal (such as DCS/PCS/WCDMA II frequency ranges) that antenna structure 100 is 1710-1990MHz in transmitting-receiving second central frequency
When have preferable effect.It on the other hand, also can be micro- by adjusting the distance between the second radiator 40 and the first radiator 30
Adjust the bandwidth of wireless signal.
4th radiator 60 includes sequentially connected flat segments 62, segmental arc 64 and bending segment 66.The flat segments 62 are hung down
The straight main paragraph 22 for being connected to ground terminal 20 is with respect to the side of feed side 10.The segmental arc 64 is first towards far from third radiator 50
Direction be obliquely extended a distance, then a distance is obliquely extended towards close to the direction of third radiator 50, the bending segment 66
Court extends a distance into perpendicular to the direction of the end of segmental arc 64.By adjusting the 4th radiator 60 and third radiator 50
Spacing, to flow through on the current coupling to the 4th radiator 60 of third radiator 50.Meanwhile designing and manufacturing rank
Section, by adjusting the length of the 4th radiator 60 so that the antenna structure 100 is 1990- in transmitting-receiving third centre frequency
There is preferable effect during wireless signal (such as WCDMA I frequency ranges) of 2170MHz.
The operation principle of the antenna structure 100 is further illustrated below, first when feed side 10 is from wireless communication device
After circuit board feed-in electric current, there is electric current to flow through on first radiator 30, the second radiator 40 and third radiator 50.Together
When, since the spacing between 50 and the 4th radiator 60 of the interval between feed side 10 and ground terminal 20 and third radiator accords with
Close pre-provisioning request so that electric current is radiated by feed side 10 coupled to ground terminal 20, while by third radiator 50 coupled to the 4th
Body 60.On the other hand, the first radiator 30, the second radiator 40, the electric current on 50 and the 4th radiator 60 of third radiator lead to
It crosses ground terminal 20 and returns to the circuit board of wireless communication device to be formed into a loop.In this way, the antenna structure 100 can receive and dispatch multiple frequency ranges
Interior wireless signal.As shown in Figure 2, the antenna structure 100 centre frequency for 824-960MHz, 1710-1990MHz and
Wider bandwidth is respectively provided with during 1990-2170MHz.
It is appreciated that the antenna structure 100 of the present invention can also increase or decrease the radiation for being connected to feed side 10 in right amount
Body quantity can also increase the radiator quantity for being connected to ground terminal 20 in right amount, and remain attached at least the one of feed side 10
Radiator and the mutual current coupling of an at least radiator for being connected to ground terminal 20.
The antenna structure 100 of the present invention includes spaced and not connected feed side 10 and ground terminal 20 so that feed-in
Electric current on end 10 is coupled to ground terminal 20；It is intercoupled simultaneously by the electric current on multiple radiators so as to antenna structure
100 can receive and dispatch the wireless signal of multiple frequency ranges, increase the bandwidth of antenna.On the other hand, antenna structure 100 of the invention passes through
Rationally cooperation feed side 10 and the spatial position of ground terminal 20 help to reduce the size of antenna, convenient for wireless communication device
Miniaturization.
Claims (7)
1. a kind of antenna structure, it is characterised in that：The antenna structure includes spaced and not connected feed side and ground terminal,
The feed side includes main part, and an at least radiator is connected on the feed side, at least one radiation connected on the feed side
Body includes the first radiator and the second radiator, and first radiator is coplanar with the main part, first radiation
Body includes the first linkage section and the second linkage section, and one end of first linkage section is connected to the side of the main part, described
The other end vertical connection of second linkage section and the first linkage section, and extending towards the direction parallel with the main part, described the
Two radiators are set in the plane perpendicular with the plane where the main part, and second radiator includes first and extends
Section and the second extension, one end of first extension are vertically connected at one end of the main part, second extension
The other end of first extension is connected to, and is obliquely extended towards the direction close to first linkage section, on the ground terminal
At least another radiator of connection, the current coupling on the feed side is to ground terminal, the electric current being connected on the radiator of feed side
Coupled to the radiator for being connected to ground terminal.
2. antenna structure as described in claim 1, it is characterised in that：The ground terminal include main paragraph, the main part with
The main paragraph is set in same plane.
3. antenna structure as claimed in claim 2, it is characterised in that：At least radiator connected on the feed side also wraps
Include third radiator, the third radiator is set in the plane perpendicular with the plane where the feed side, and towards with
The opposite direction extension of second radiator, the third radiator prolong including the first extended segment, the second extended segment and third
Stretch section, one end of first extended segment is vertically connected at one end of the main part, and with described in second radiator
First extension connects, and second extended segment is connected between first extended segment and the third extended segment, and described the
Three extended segments are arranged in parallel with first extended segment.
4. antenna structure as claimed in claim 3, it is characterised in that：At least another radiator packet connected on the ground terminal
The 4th radiator is included, the 4th radiator includes sequentially connected flat segments, segmental arc and bending segment, which, which is connected to, connects
The main paragraph of ground terminal with respect to feed side side, the segmental arc first towards the direction far from third radiator be obliquely extended one section away from
From, then towards the direction close to third radiator a distance is obliquely extended, which extends towards perpendicular to the direction of segmental arc
A distance.
5. antenna structure as claimed in claim 4, it is characterised in that：Current coupling on the third radiator is to the 4th spoke
Beam.
6. a kind of antenna structure, it is characterised in that：The antenna structure includes feed side, ground terminal, the first radiator, the second radiation
Body, third radiator and the 4th radiator, the feed side and ground terminal it is separately positioned and formed one interval, the feed side includes
Main part, which is connected to the side of feed side, and is coplanar with the main part, the first radiator packet
Including the first linkage section and the second linkage section, one end of first linkage section is connected to the side of the main part, and described second
The other end vertical connection of linkage section and the first linkage section, and extend towards the direction parallel with the main part, second radiation
Body is connected to the same end of feed side with third radiator, and extends towards opposite both direction, the second radiator setting
In in the plane perpendicular with the plane where the main part, second radiator includes the first extension and the second extension
Section, one end of first extension are vertically connected at one end of the main part, and second extension is connected to described the
The other end of one extension, and be obliquely extended towards the direction close to first linkage section, the 4th radiator is connected to ground connection
The side at end, current coupling on the feed side to ground terminal, current coupling on the third radiator to the 4th radiator.
7. antenna structure as claimed in claim 6, it is characterised in that：The third radiator includes the first extended segment, second
Extended segment and third extended segment, second extended segment are connected between the first extended segment and third extended segment, first extended segment
One end be vertically connected at one end of main part, and connect with the first extension of the second radiator, second extended segment is towards leaning on
The direction of nearly feed side is obliquely extended, which is arranged in parallel with the first extended segment, and the 4th radiator is included successively
Flat segments, segmental arc and the bending segment of connection, the flat segments are connected to side of the main paragraph with respect to feed side of ground terminal, the arc
Directions of the shape Duan Xianchao far from third radiator is obliquely extended a distance, then is obliquely extended towards close to the direction of third radiator
A distance, bending segment court extend a distance into perpendicular to the direction of segmental arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362513.8A CN103682586B (en) | 2012-09-26 | 2012-09-26 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362513.8A CN103682586B (en) | 2012-09-26 | 2012-09-26 | Antenna structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682586A CN103682586A (en) | 2014-03-26 |
| CN103682586B true CN103682586B (en) | 2018-06-19 |
Family
ID=50319360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210362513.8A Expired - Fee Related CN103682586B (en) | 2012-09-26 | 2012-09-26 | Antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682586B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247163B (en) * | 2019-04-30 | 2021-08-31 | 惠州Tcl移动通信有限公司 | Antenna and intelligent terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106211A (en) * | 2006-07-14 | 2008-01-16 | 连展科技电子（昆山）有限公司 | Dual loop multi-frequency antenna |
| CN101114733A (en) * | 2006-07-28 | 2008-01-30 | 连展科技电子（昆山）有限公司 | Integrated multi-frequency antenna with wide band function |
| EP2493015A1 (en) * | 2011-02-25 | 2012-08-29 | Acer Incorporated | Mobile communication device and antenna structure thereof |
-
2012
- 2012-09-26 CN CN201210362513.8A patent/CN103682586B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101106211A (en) * | 2006-07-14 | 2008-01-16 | 连展科技电子（昆山）有限公司 | Dual loop multi-frequency antenna |
| CN101114733A (en) * | 2006-07-28 | 2008-01-30 | 连展科技电子（昆山）有限公司 | Integrated multi-frequency antenna with wide band function |
| EP2493015A1 (en) * | 2011-02-25 | 2012-08-29 | Acer Incorporated | Mobile communication device and antenna structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682586A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104425881B (en) | Antenna structure and wireless communication device with the antenna structure | |
| TWI499132B (en) | Antenna module | |
| US20160181701A1 (en) | Antenna having a reflector for improved efficiency, gain, and directivity | |
| TWI628851B (en) | Multi-band antenna structure | |
| CN109560386A (en) | Antenna structure and wireless communication device with the antenna structure | |
| CN101587983A (en) | Multi-frequency antenna and radio communication system having same | |
| JP2016136711A (en) | Antenna structure and radio communication equipment with the antenna structure | |
| CN102856645A (en) | Mobile phone antenna structure supporting long term evolution (LTE) multiple input multiple output (MIMO) technology | |
| US9478851B2 (en) | Antenna structure | |
| TWI619309B (en) | Antenna structure and wireless communication device using same | |
| CN103972649B (en) | Antenna module and the wireless communication device with the antenna module | |
| US8760348B2 (en) | Multi-band antenna | |
| US20090278745A1 (en) | Dual-band inverted-f antenna | |
| CN101931121B (en) | Antenna device | |
| CN102544695B (en) | Multi-frequency antenna | |
| CN102570037A (en) | Multifrequency antenna | |
| CN103682586B (en) | Antenna structure | |
| CN103779648B (en) | Dual-band antenna | |
| TWI566472B (en) | Antenna assembly | |
| CN104241855B (en) | Antenna structure and wireless communication device with the antenna structure | |
| CN104241856B (en) | Antenna structure | |
| TWI583058B (en) | Anteena structure and wireless communication device using same | |
| CN103779651B (en) | Antenna structure | |
| CN101853982B (en) | Multifrequency antenna and wireless communication device applying same | |
| CN104241871B (en) | The wireless communication device of multifrequency antenna and the application multifrequency antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20210926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |