CN101777702B - Antenna assembly and antenna - Google Patents
Antenna assembly and antenna Download PDFInfo
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- CN101777702B CN101777702B CN200910002258.4A CN200910002258A CN101777702B CN 101777702 B CN101777702 B CN 101777702B CN 200910002258 A CN200910002258 A CN 200910002258A CN 101777702 B CN101777702 B CN 101777702B
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- 230000005855 radiation Effects 0.000 claims abstract description 30
- 230000003071 parasitic effect Effects 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 4
- 230000008054 signal transmission Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 12
- 238000004891 communication Methods 0.000 description 11
- 238000002955 isolation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
A kind of antenna, including a grounding parts, a T-shaped Department of Radiation, one first feed arm and one second feed arm.This Department of Radiation includes that one is extended toward two rightabouts from this shorted segment away from a section of this grounding parts with this second radiant section respectively by the upwardly extending shorted segment of this grounding parts, one first radiant section and one second radiant section, this first radiant section；This first feed arm includes the compartment of terrain first paragraph adjacent to this first radiant section, and a compartment of terrain is adjacent to this grounding parts and the first feed-in section of being available for signal feed-in；This second feed arm includes the compartment of terrain second segment adjacent to this second radiant section, and a compartment of terrain is adjacent to this grounding parts and the second feed-in section of being available for signal feed-in.
Description
Technical field
The present invention is about a kind of antenna, particularly relates to a kind of compound antenna that can be applicable to different frequency range.
Background technology
Having multiple different wireless communication technology on the market at present, these technology can be divided into generally from containing area: (1) can
Carry out city and city or the most inter-State communication radio wide area network [Wireless Wide Area Network,
Frequency range is 824～960MHz and 1710～2170MHz, is called for short WWAN].(2) can to contain accessing points big to user side for communication range
[Wireless Local Area Network, frequency range is 2412～2462MHz to the radio area network of about 100 meters
(802.11b/g) with 4900～5875MHz (802.11a), it is called for short WLAN].
Refering to Fig. 1 and Fig. 2, a notebook computer 9 containing aforementioned various communications band, generally by various different skies
Line 91,92 is arranged in the region 90 of notebook computer 9, additionally, also corresponding signal feed 93,94 is arranged on region 90
In, and be connected with these antenna 91,92 respectively.
Owing to notebook computer makes every effort to frivolous, therefore its antenna have to meet antenna performance, will not take too again
Large space, signal feed then to shorten as much as possible, to vacate more space in notebook computer and can also save into
This.
Summary of the invention
Therefore, the purpose of the present invention, it is simply that provide a kind of volume petite and can be applicable at least two distinct communication standards
Antenna.
Then, inventive antenna includes a grounding parts, a T-shaped Department of Radiation, one first feed arm and one second feed-in
Arm.This Department of Radiation includes one by the upwardly extending shorted segment of this grounding parts, and by this shorted segment away from one end of this grounding parts
One first radiant section extended toward two rightabouts respectively and one second radiant section；This first feed arm includes that a compartment of terrain is neighbouring
The first paragraph of this first radiant section, and a compartment of terrain is adjacent to this grounding parts and the first feed-in section of being available for signal feed-in；This is second years old
Feed arm includes the compartment of terrain second segment adjacent to this second radiant section, and a compartment of terrain adjacent to this grounding parts and is available for signal feedback
The the second feed-in section entered.
Preferably, this first feed-in section relatively this first paragraph of this first feed arm away from this first radiant section, and this second
This second feed-in section relatively this second segment of feed arm is away from this first radiant section.
It is another object of the present invention to provide a kind of signal feed that is available for and be connected to the outermost of antenna, to reduce letter
The antenna of number feed line length.
This first feed arm is in inverted L shape, this first paragraph and this first radiant section substantially along same straight-line extension, and this
One feed-in section be from this first paragraph away from this first radiant section one end toward this grounding parts direction extend；And this second feed arm
Be in inverted L shape, and this second segment and this second radiant section be substantially along same straight-line extension, and this second feed-in section be by this second
Section away from this second radiant section one end toward this grounding parts direction extend.
A further object of the present invention, is that inventive antenna is except aforementioned first feed arm, the second feed arm and Department of Radiation
Outside can be with the high frequency band resonance in distinct communication standards, also can be with the low-frequency band resonance in these communication standards.
It is highly preferred that inventive antenna may also include one first parasitic and one second parasitic；This first parasitic
One end is connected with this grounding parts, and extends parallel to along this shorted segment, this first radiant section with this first feed arm；And this
Two parasitic, one end is connected with this grounding parts, and prolongs abreast along this shorted segment, this second radiant section with this second feed arm
Stretch；This first parasitic and this second parasitic are respectively in inverted L shape and lay respectively at the two opposite sides of this shorted segment.
Effect of the present invention, is to utilize the shorted segment of antenna, it is achieved both can effectively be divided by left and right two parts of antenna
It is not applied to two kinds of distinct communication standards, keeps again good isolation (Isolation), will not be concerned with mutually in both left and right
Disturb；Additionally, inventive antenna is using first, second feed-in section of both sides as the feed-in of signal, allows and connect the signal feed-in of antenna
Line can reduce space shared in notebook computer or any electronic communication device as far as possible.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of traditional notebook computer；
Fig. 2 is the antenna assembly schematic diagram in traditional notebook computer；
Fig. 3 is the schematic diagram that the preferred embodiment of inventive antenna device is installed in notebook computer；
Fig. 4 is the front view of antenna assembly；
Fig. 5 show the front view of each element on the substrate of antenna and surface thereof；
Fig. 6 is that the present embodiment antenna is measured at the voltage standing wave(VSW) ratio (VSWR) of radio wide area network (being called for short WWAN) frequency range
Datagram；
Fig. 7 is that the present embodiment antenna is measured at the voltage standing wave(VSW) ratio (VSWR) of radio area network (being called for short WLAN) frequency range
Datagram；
Fig. 8 is the present embodiment antenna isolation (Isolation) measurement data figure in WWAN frequency range；
When Fig. 9, Figure 10 and Figure 11 are respectively Antenna Operation 880MHz, 1850MHz in WWAN and 2110MHz, at xy
The radiation pattern measurement result of plane, xz plane, yz plane and three-dimensional；And
When Figure 12 Yu Figure 13 is then Antenna Operation 2437MHz Yu 5470MHz in a wlan, at x/y plane, xz plane, yz
The radiation pattern measurement result of plane and three-dimensional.
Main element symbol description
10 antenna assemblies
101 antennas
1 first feed arm
11 first paragraphs
12 first feed-in sections
2 second feed arms
21 second segments
22 second feed-in sections
3 Departments of Radiation
31 first radiant sections
32 second radiant sections
33 shorted segments
4 grounding parts
41 first ground sections
42 second ground sections
43 grounded metal paper tinsels
5 substrates
51 surfaces
61 first feeder lines
62 second feeder lines
71 first parasitic
72 second parasitic
8 notebook computers
80 regions
81,83 high-frequency resonant frequency band
82,84 low-frequency resonant frequency band
Detailed description of the invention
For the present invention aforementioned and other technology contents, feature and effect, following coordinate one with reference to accompanying drawing excellent
Select in the detailed description of embodiment, can clearly present.
Being the schematic diagram that antenna assembly 10 is installed in notebook computer 8 refering to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 is antenna assembly
The front view of 10.The preferred embodiment of inventive antenna device 10 is to be installed in the region 80 of notebook computer 8, and includes one
Antenna 101, it is connected to individually the first feeder line 61 and the second feeder line 62 of antenna 101 both sides, and is located in notebook computer 8 and uses
To make the grounding parts 4 of system earth.Antenna 101 then includes one having the substrate 5 on a surface 51, a part is located on this substrate 5
And in order to first ground section the 41, second ground section 42 of ground connection, the T-shaped Department of Radiation 3 being located on substrate 5 surface 51, point
One first feed arm 1 and one second feed arm 2 not being connected with the second feeder line 62 with the first feeder line 61, and one first parasitic
71 and one second parasitic 72.In the present embodiment, grounding parts 4 is to include notebook computer 8 to be used as the ground connection gold of system earth
Belong to paper tinsel 43, and first, second ground section 41,42 being laid on substrate 5 surface 51.
Refering to Fig. 4, the first ground section 41 of antenna 101 extends from the lower left corner of substrate 5 toward center, and the first ground section
41 one end of side that keep left are connected with the signal negative terminal of the first feeder line 61, and the second ground section 42 is then by the angular center, bottom right of substrate 5
Extend, and one end that the second ground section 42 is on the right side is connected with the signal negative terminal of the second feeder line 62.
Department of Radiation 3 includes one by the first ground section 41 upwardly extending shorted segment in one end 33 near substrate 5 center, and
Turned left respectively and turn right one first radiant section 31 and one second spoke extended away from one end of the first ground section 41 by shorted segment 33
The section of penetrating 32, this Department of Radiation 3 is substantially in T font.
First feed arm 1 is in inverted L shape, and includes the compartment of terrain first paragraph 11 adjacent to this first radiant section 31, and one
The the first feed-in section 12 being connected with the signal anode of the first feeder line 61；This first paragraph 11 is substantially along same with the first radiant section 31
Straight-line extension, and this first feed-in section 12 be from first paragraph 11 away from one end of the first radiant section 31 toward the side of the first ground section 41
To extension, and it is connected to one end adjacent to the first ground section 41, compartment of terrain with the first feeder line 61.
Second feed arm 2 is also in inverted L shape, and includes the compartment of terrain second segment 21 adjacent to this second radiant section 32, and
One the second feed-in section 22 being connected with the signal anode of the second feeder line 62；This second segment 21 and the second radiant section 32 are substantially along same
One straight-line extension, and this second feed-in section 22 be from second segment 21 away from one end of the second radiant section 32 toward the second ground section 42
Direction extends, and is connected to one end adjacent to the second ground section 42, compartment of terrain with the second feeder line 62.
It is worth mentioning, owing to the first feed arm 1 is connected the first feeder line 61 and the second feeder line 62 respectively with the second feed arm 2
In the left and right sides of antenna 101, therefore the present embodiment shown in Fig. 4 is compared with the tradition shown in Fig. 2, it is known that the present embodiment
Signal feed 93,94 need not be extended in the region 80 of notebook computer 8 by first, second feeder line 61,62 really such as tradition,
The region more than 90 that in region 80, available space is the most traditional.
One end of first parasitic 71 of antenna 101 is connected with the first ground section 41, and along this shorted segment the 33, first spoke
The section of penetrating 31 extends parallel to the first feed arm 11；And second parasitic 72 one end is connected with the first ground section 41, and along short
Section the 33, second radiant section 32 extends parallel to the second segment 21 of the second feed arm 2；This first parasitic 71 second is posted with this
Raw arm 72 lays respectively at the two opposite sides of this shorted segment 33, and the respectively symmetrical inverted L shape in direction.
The actual size of the present embodiment refers to Fig. 5, Fig. 5 and show facing of each element on substrate 5 and surface 51 thereof
Figure, in figure, arithemetic unit is mm, see each item data to learn the actual size of the present embodiment.
It is that the present embodiment antenna 101 is at radio wide area network (Wireless Wide Area refering to Fig. 6, Fig. 6
Network, is called for short WWAN) voltage standing wave(VSW) ratio (VSWR) the measurement data figure of frequency range.Can learn through experiment, the electricity of antenna 101
Pressure SWR measurement value, in the frequency range of 824～960MHz and 1710～2170MHz, its voltage standing wave(VSW) ratio is below 4, reaches
The radiation efficiency basic demand of antenna.Wherein, second feed arm the 2, second radiant section 32, shorted segment 33 and the second ground section 42 are altogether
With the high-frequency resonant frequency band 81 between contribution 1710～2170MHz, the second parasitic 72 then contributes the low frequency between 824～960MHz humorous
Shake frequency band 82, therefore can be applicable to really in radio wide area network frequency range of the present embodiment.
Coordinating refering to table 1, table 1 is shown as antenna 101 and receives (Rx hurdle in table 1) in WWAN application frequency band and launch (table
Middle Tx hurdle) the efficiency (Efficiency) of total radiation energy (Total Radiation Power), each frequency (unit:
MHz) it is all higher than-5.4dB, that is is all higher than 28%, work requirements can be met.
Table 1
It is that the present embodiment antenna 101 is at radio area network (Wireless Local Area refering to Fig. 7, Fig. 7
Network, is called for short WLAN) voltage standing wave(VSW) ratio (VSWR) the measurement data figure of frequency range.Can learn through experiment, the electricity of antenna 101
Pressure SWR measurement value, in the frequency range of 2412～2462MHz and 4900～5875MHz, its voltage standing wave(VSW) ratio is below 3, reaches
Radiation efficiency basic demand to antenna.Wherein, first feed arm the 1, first radiant section 31, shorted segment 33 and the first ground section 41
High-frequency resonant frequency band 83 between joint contribution 4900～5875MHz, it is low that the first parasitic 71 is then contributed between 2412～2462MHz
Frequently resonance frequency band 84, therefore can be applicable to really in radio area network frequency range of the present embodiment.
Coordinating refering to table 2, table 2 is shown as the antenna 101 total radiation energy (Total in WLAN application frequency band
Radiation Power) efficiency (Efficiency), be all higher than-4.5dB in each frequency (unit: MHz), imply that the biggest
In 35%, work requirements can be met.
Table 2
It is the present embodiment antenna 101 isolation (Isolation) measurement data in WWAN frequency range refering to Fig. 8, Fig. 8
Figure.The antenna assembly that general tradition can be applicable to different frequency range is as in figure 2 it is shown, be spaced a distance with antenna 92 by antenna 91
Arrange, to maintain the isolation between two antennas 91,92, make antenna assembly transmitting-receiving effect in two different frequency ranges be maintained at
More than level, the shorted segment 33 of the antenna 101 of the present embodiment can be with the frequency band resonance of WWAN and WLAN, therefore compared with Fig. 2,
Antenna 101 is not two antenna bodies being spaced a distance, but the antenna body connected together, and its isolation is
Much smaller than-10dB, therefore the interference between dual-antenna system constitutes impact the most hardly.
The radiation pattern (Radiation Pattern) of antenna 101, as shown in Fig. 9～Figure 13.Fig. 9, Figure 10 divide with Figure 11
When 880MHz, the 1850MHz not being operated in WWAN for antenna 101 and 2110MHz, x/y plane, xz plane, yz plane and
Three-dimensional radiation pattern measurement result, Figure 12 Yu Figure 13 is then that antenna 101 works 2437MHz and 5470MHz in a wlan
Time, in the radiation pattern measurement result of x/y plane, xz plane, yz plane and three-dimensional.The color portion of wherein three-dimensional field pattern figure
Divide and represent its yield value (gain, unit: dBi), and the field pattern figure of other planes, dark dotted line is the measurement knot in magnetic field (Phi)
Really and light color dotted line is the measurement result of electric field (Theta), solid line is then comprehensive (Total) of electric field and magnetic field.By each radiation
Field pattern figure can be learnt, the radiation pattern of antenna 101 is also close to isotropic directivity radiation pattern, can reach good transmitting-receiving usefulness.
In sum, effect of the present invention is to utilize the shorted segment 33 of antenna 101, it is achieved both can be effectively by antenna
Left and right two parts of 101 are respectively applied to two kinds of different communication standards (WWAN and WLAN), keep again good isolation
(Isolation), both left and right will not be interfered with each other；Additionally, the antenna 101 of inventive antenna device 10 is with the of both sides
One, the second feed-in section 12,22 is as the feed-in of signal, and first, second feeder line 61,62 connecting antenna 101 can be subtracted as far as possible
Few space shared in notebook computer 8 or any electronic communication device.
As described above, only the preferred embodiments of the present invention, when not limiting, with this, the scope that the present invention implements,
The most generally the simple equivalence change made according to present invention and modification, all should belong to the scope of the present invention.
Claims (11)
1. an antenna, including:
One grounding parts, including in order to the first ground section of ground connection and the second ground section；
One Department of Radiation, including one by the upwardly extending shorted segment of this grounding parts, and by this shorted segment away from the one of this grounding parts
End is respectively toward one first radiant section and one second radiant section of two rightabouts extensions；
One first feed arm, including a compartment of terrain adjacent to the first paragraph of this first radiant section, and a compartment of terrain is adjacent to this grounding parts
And be available for the first feed-in section of signal feed-in, this first feed arm is in inverted L shape, this first paragraph and this first radiant section substantially along
Same straight-line extension, and this first feed-in section be from this first paragraph away from one end of this first radiant section toward this first ground section
Direction extends, one end of this neighbouring first ground section in the first feed-in spacer segment ground；
One second feed arm, including a compartment of terrain adjacent to the second segment of this second radiant section, and a compartment of terrain is adjacent to this grounding parts
And it being available for the second feed-in section of signal feed-in, this second feed arm is in inverted L shape, and this second segment is with this second radiant section substantially
Along same straight-line extension, and this second feed-in section be from this second segment away from one end of this second radiant section toward this second ground section
Direction extend, one end of neighbouring second ground section in this second feed-in spacer segment ground；
One first parasitic, one end is connected with this first ground section, and along this shorted segment, this first radiant section and this first feedback
Enter arm to extend parallel to；And
One second parasitic, one end is connected with this second ground section, and along this shorted segment, this second radiant section and this second feedback
Enter arm to extend parallel to.
Antenna the most according to claim 1, wherein, this first feed-in section relatively this first paragraph of this first feed arm is away from this
First radiant section, and this second feed-in section relatively this second segment of this second feed arm is away from this first radiant section.
3., according to described antenna arbitrary in claim 1～2, also include a substrate with a surface, and this Department of Radiation, should
First feed arm and this second feed arm all extend on this surface of this substrate.
Antenna the most according to claim 1, wherein, this first parasitic and this second parasitic are respectively in inverted L shape and distinguish
It is positioned at the two opposite sides of this shorted segment.
Antenna the most according to claim 4, also includes a substrate with a surface, and this Department of Radiation, this first feed-in
Arm, this second feed arm, this first parasitic and this second parasitic all extend on this surface of this substrate.
6. an antenna assembly, including:
One grounding parts, including in order to the first ground section of ground connection and the second ground section；
One Department of Radiation, including one by the upwardly extending shorted segment of this grounding parts, one first radiant section and one second radiant section, this is years old
One radiant section is extended toward two rightabouts away from a section of this grounding parts from this shorted segment respectively with this second radiant section；
One first feed arm, including a compartment of terrain adjacent to the first paragraph of this first radiant section, and a compartment of terrain is adjacent to this grounding parts
And be available for the first feed-in section of signal feed-in, this first feed arm is in inverted L shape, this first paragraph and this first radiant section substantially along
Same straight-line extension, and this first feed-in section be from this first paragraph away from one end of this first radiant section toward this first ground section
Direction extends；
One second feed arm, including a compartment of terrain adjacent to the second segment of this second radiant section, and a compartment of terrain is adjacent to this grounding parts
And it is available for the second feed-in section of signal feed-in, and this second feed arm is in inverted L shape, and this second segment is big with this second radiant section
Body along same straight-line extension, and this second feed-in section be from this second segment away from one end of this second radiant section toward this second ground connection
The direction of end extends；
One first feeder line, is available for signal transmission and is connected with this first feed-in section, and this first feed-in spacer segment ground neighbouring first connects
The one end in location；
One second feeder line, is available for signal transmission and is connected with this second feed-in section, this second feed-in spacer segment ground adjacent to this second
One end of ground section；
One first parasitic, one end is connected with this first ground section, and along this shorted segment, this first radiant section and this first feedback
Enter arm to extend parallel to；And
One second parasitic, one end is connected with this second ground section, and along this shorted segment, this second radiant section and this second feedback
Enter arm to extend parallel to.
Antenna assembly the most according to claim 6, wherein, this first feed-in section of this first feed arm is remote compared with this first paragraph
From this first radiant section, and this second feed-in section relatively this second segment of this second feed arm is away from this first radiant section.
Antenna assembly the most according to claim 7, wherein, this first feeder line is adjacent to this grounding parts with this first feed-in section
One end connect, and this second feeder line is to be connected adjacent to one end of this grounding parts with this second feed-in section.
9., according to described antenna assembly arbitrary in claim 6～8, also include a substrate with a surface, and this radiation
Portion, this first feed arm and this second feed arm all extend on this surface of this substrate.
Antenna assembly the most according to claim 6, wherein, this first parasitic is with this second parasitic respectively in inverted L shape also
Lay respectively at the two opposite sides of this shorted segment.
11. antenna assemblies according to claim 10, also include a substrate with a surface, and this Department of Radiation, this
One feed arm, this second feed arm, this first parasitic and this second parasitic all extend on this surface of this substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910002258.4A CN101777702B (en) | 2009-01-13 | 2009-01-13 | Antenna assembly and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910002258.4A CN101777702B (en) | 2009-01-13 | 2009-01-13 | Antenna assembly and antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101777702A CN101777702A (en) | 2010-07-14 |
| CN101777702B true CN101777702B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910002258.4A Expired - Fee Related CN101777702B (en) | 2009-01-13 | 2009-01-13 | Antenna assembly and antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN101777702B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401002B (en) * | 2010-09-10 | 2016-06-01 | 连展科技电子（昆山）有限公司 | wireless transmission pivot device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200522440A (en) * | 2003-12-23 | 2005-07-01 | Quanta Comp Inc | Multi-band antenna |
| TW200843205A (en) * | 2007-04-17 | 2008-11-01 | Quanta Comp Inc | Dual-frequency antenna |
-
2009
- 2009-01-13 CN CN200910002258.4A patent/CN101777702B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200522440A (en) * | 2003-12-23 | 2005-07-01 | Quanta Comp Inc | Multi-band antenna |
| TW200843205A (en) * | 2007-04-17 | 2008-11-01 | Quanta Comp Inc | Dual-frequency antenna |
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| Publication number | Publication date |
|---|---|
| CN101777702A (en) | 2010-07-14 |
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