CN104425886B - Antenna assembly and wireless transceiver - Google Patents
Antenna assembly and wireless transceiver Download PDFInfo
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- CN104425886B CN104425886B CN201310376343.3A CN201310376343A CN104425886B CN 104425886 B CN104425886 B CN 104425886B CN 201310376343 A CN201310376343 A CN 201310376343A CN 104425886 B CN104425886 B CN 104425886B
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- 239000000758 substrate Substances 0.000 claims abstract description 53
- 239000000463 material Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 22
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present invention is suitable for antenna technology, provides a kind of antenna assembly, including：Substrate；Feeding portion is set on the substrate, is used for feed-in electromagnetic wave signal；Irradiation unit is connected with the feeding portion and is set on the substrate, is used for radiated electromagnetic wave signal；First coupler and the second coupler are respectively arranged at the both sides of the irradiation unit and close to the irradiation unit；Grounding parts are set on the substrate, and are connected with the irradiation unit by the feeding portion.The present invention also provides a kind of wireless transceivers.Antenna assembly and wireless transceiver provided by the present invention, the frequency of energy extended antenna, make it have more wide frequency ranges, better standing-wave ratio and higher gain, improve the efficiency of antenna assembly on the whole.
Description
Technical field
The invention belongs to antenna technical field more particularly to a kind of antenna assemblies and wireless transceiver.
Background technology
It, certainly will be towards flat as the antenna inside the communication device with various communication device smalls
The design direction of change develops to reduce antenna volume, however, by being limited by communication device inner space so that the ground of antenna is not
It is enough big, and then cause the chokes of antenna inadequate, to make the frequency of antenna that can not do width, there is a problem of that frequency band is narrow.
Invention content
The embodiment of the present invention is designed to provide a kind of antenna assembly and wireless transceiver, it is intended to solve traditional small-sized
Width can not be done by changing the frequency of the antenna in communication device, there is a problem of that frequency band is narrow.
The embodiment of the present invention is achieved in that a kind of antenna assembly, the antenna assembly include：
Substrate；
Feeding portion is set on the substrate, is used for feed-in electromagnetic wave signal；
Irradiation unit is connected with the feeding portion and is set on the substrate, is used for radiated electromagnetic wave signal；
First coupler and the second coupler are respectively arranged at the both sides of the irradiation unit and close to the irradiation unit；
Grounding parts are set on the substrate, and are connected with the irradiation unit by the feeding portion.
Preferably, the irradiation unit is strip microstrip line, and in the irradiation unit, close to the micro-strip of the grounding parts
The width of line is narrower than the width of the microstrip line far from the grounding parts.
Preferably, the irradiation unit is vertical with the grounding parts, and one end of the irradiation unit is connected with the feeding portion,
The other end of the irradiation unit extends towards the direction far from the grounding parts.
Preferably, the grounding parts axisymmetricly, and the transverse direction of the lateral symmetry axis and the irradiation unit of the grounding parts
Symmetry axis is identical.
Preferably, first coupler and the elongated microstrip line of second coupler, and first coupling
Device with one end of second coupler is vertical with the grounding parts couples, first coupler and second coupler
The other end towards far from the grounding parts direction extend.
Preferably, first coupler and second coupler are parallel with the irradiation unit, and first coupling
Clutch or the length of second coupler are respectively less than the length of the irradiation unit.
Preferably, the antenna assembly further includes：
Fixing piece is connected with the grounding parts, for fixing the substrate.
Preferably, the fixing piece is metal fixing.
Preferably, grooved hole, and the width of the slot of the fixing piece and the base are opened up in one end of the fixing piece
The thickness of plate matches to ensure that a part for the substrate of the grounding parts side can be just inserted into the slot of the fixing piece
It is fixed.
Preferably, the length of the fixing piece be the corresponding wavelength of the first resonant frequency of the antenna assembly four/
One.
Preferably, the length of the irradiation unit be the corresponding wavelength of the first resonant frequency of the antenna assembly four/
One.
Preferably, the substrate is medium substrate, and the material of the medium substrate includes FR4 materials or F4B materials
Matter.
In addition, the present invention also provides a kind of wireless transceiver, including above-mentioned antenna assembly.
Above-mentioned antenna assembly and wireless transceiver expands antenna by increasing the fixing piece being connected with grounding parts
Ground, and then increase the chokes of antenna and the frequency of extended antenna, by increasing the first coupler for being connected with grounding parts and the
Two couplers adjust the secondary resonance of antenna, so that antenna has more wide frequency ranges, better standing-wave ratio in high band
And higher gain, by the dipole antenna for being bonded a low-frequency range of irradiation unit and fixing piece, by fixation
One end of part open up slot can better fixed substrate, improve the efficiency of antenna assembly on the whole.
Description of the drawings
Fig. 1 is the structural schematic diagram for the antenna assembly that first embodiment of the invention provides；
Fig. 2 is the side structure schematic diagram of antenna assembly inner fixing member in first embodiment of the invention；
Fig. 3 is the voltage standing wave ratio test chart for the antenna assembly that first embodiment of the invention provides；
Fig. 4 is the H plane radiation field shape figures of the 900MHz for the antenna assembly that first embodiment of the invention provides；
Fig. 5 is the E plane radiation field shape figures of the 900MHz for the antenna assembly that first embodiment of the invention provides；
Fig. 6 is the H plane radiation field shape figures of the 1900MHz for the antenna assembly that first embodiment of the invention provides；
Fig. 7 is the E plane radiation field shape figures of the 1900MHz for the antenna assembly that first embodiment of the invention provides；
Fig. 8 is the structural schematic diagram for the antenna assembly that second embodiment of the invention provides；
Fig. 9 is the voltage standing wave ratio test chart for the antenna assembly that second embodiment of the invention provides；
Figure 10 is the H plane radiation field shape figures of the 900MHz for the antenna assembly that second embodiment of the invention provides；
Figure 11 is the E plane radiation field shape figures of the 900MHz for the antenna assembly that second embodiment of the invention provides；
Figure 12 is the H plane radiation field shape figures of the 1900MHz for the antenna assembly that second embodiment of the invention provides；
Figure 13 is the E plane radiation field shape figures of the 1900MHz for the antenna assembly that second embodiment of the invention provides.
Specific implementation mode
In order to make technical problems, technical solutions and advantageous effects to be solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that tool band embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Antenna assembly provided by the invention, including：
Substrate；
Feeding portion is set on the substrate, is used for feed-in electromagnetic wave signal；
Irradiation unit is connected with the feeding portion and is set on the substrate, is used for radiated electromagnetic wave signal；
First coupler and the second coupler are respectively arranged at the both sides of the irradiation unit and close to the irradiation unit；
Grounding parts are set on the substrate, and are connected with the irradiation unit by the feeding portion.
Antenna assembly provided by the invention expands the ground of antenna, in turn by increasing the fixing piece being connected with grounding parts
Increase the chokes of antenna and the frequency of extended antenna, by increasing the first coupler and the second coupler that are connected with grounding parts
The secondary resonance of antenna is adjusted, so that antenna has more wide frequency ranges, better standing-wave ratio and higher in high band
Gain, by the dipole antenna for being bonded a low-frequency range of irradiation unit and fixing piece, by one end of fixing piece
Open up slot can better fixed substrate, improve the efficiency of antenna assembly on the whole.
Referring to Fig. 1, the structural schematic diagram of the antenna assembly 20 of first embodiment of the invention offer is provided, for the ease of
Description, only the parts related to this embodiment are shown.
As shown in Figure 1, in the present embodiment, antenna assembly 20 includes：Substrate 21, feeding portion 22, irradiation unit 23, grounding parts
24, fixing piece 25, the first coupler 26 and the second coupler 27.
In the present embodiment, substrate 21 is printed circuit board (Printed Circuit Board, PCB), specifically,
Plank used in substrate 21 can be FR-4 planks or other materials plank, be not limited thereto.
Feeding portion 22 is set on substrate 21, is used for feed-in electromagnetic wave signal.In the present embodiment, feeding portion 22 can
To be an a load point either feed-in face, it is not limited thereto.
Irradiation unit 23 is strip microstrip line and axisymmetricly structure, is connected with feeding portion 22 and is set on substrate 21,
For radiated electromagnetic wave signal.In the present embodiment, irradiation unit 23 is elongated, and is connected with feeding portion 22 to from feed-in
Portion 22 receives the electromagnetic wave signal of feed-in, and in the present embodiment, irradiation unit 23 is a microstrip line, e.g. covers the micro-strip of copper
Irradiation unit 23 is set on substrate 21 by line.In the present embodiment, this flattening design method that irradiation unit 23 uses
Flat with substrate 21 is adapted, and then meets the specific requirement of antenna miniaturization.
Grounding parts 24 are set on substrate 21, and are connected with irradiation unit 23 by feeding portion 22.In the present embodiment,
Grounding parts 24 or a microstrip line, e.g. cover the microstrip line of copper, grounding parts 24 are set on substrate 21.
In the present embodiment, the rectangular also axisymmetricly structure of grounding parts 24, and the lateral symmetry axis of grounding parts 24 with
The lateral symmetry axis of irradiation unit 23 is identical.In the present embodiment, irradiation unit 23 is vertical with grounding parts 24, and irradiation unit 23
One end is connected with feeding portion 22, and the other end of irradiation unit 23 extends towards the direction far from grounding parts 24.
In other embodiments, grounding parts 24 can also be other the axisymmetricly shape of structure or grounding parts 24
For other arbitrary shapes, it is not limited thereto.
Fixing piece 25 is connected with grounding parts 24, is used for fixed substrate 21.In the present embodiment, fixing piece 25 is metal
Fixing piece is not limited in the material of this metal fixing, in order to be fully electrically connected with grounding parts 24 and improve whole spoke
Performance is penetrated, the material of metal fixing is identical as the material of grounding parts 24, such as material therein all can be copper.In this implementation
In example, substrate 21 is medium substrate, and the material of the medium substrate includes FR4 materials or F4B materials.
In the present embodiment, one end of fixing piece 25 opens up grooved hole, as shown in Figure 2.
Referring to Fig. 2, showing the side structure signal of 20 inner fixing member 25 of antenna assembly in first embodiment of the invention
Figure.
As shown in Fig. 2, the slot width d needs that fixing piece 25 opens up match with the thickness of substrate 21, it so, can
It is fixed with ensuring that a part for the substrate 21 of 24 side of grounding parts can be just inserted into the slot of fixing piece 25, while
Fixing piece 25 and grounding parts 24 can be come into full contact with, since fixing piece 25 is also metal device, so fixing piece 25 and ground connection
Coming into full contact with for portion 24 can further expand contact area, and then increase the chokes of antenna and the frequency of extended antenna.At this
In embodiment, fixing piece 25 is fixing base by way of itself opening up the slot to match with the thickness of substrate 21
Plate 21 can also use in order to ensure the structural stability of antenna assembly while inserting substrate 21 into fixing piece 25
Welding manner further fixes.
Please continue to refer to Fig. 1, in the present embodiment, a low frequency is bonded by irradiation unit 23 and fixing piece 25
Section dipole antenna, wherein the length of fixing piece 25 be the corresponding wavelength of 20 first resonant frequency of antenna assembly four/
One, the length of irradiation unit 23 is a quarter of the corresponding wavelength of 20 first resonant frequency of antenna assembly.
First coupler 26 and the second coupler 27 are respectively arranged at the both sides of irradiation unit 23 and close to irradiation units 23.
In the present embodiment, the first coupler 26 and the elongated microstrip line of the second coupler 27, and the first coupler
26 couplings vertical with grounding parts 24 with one end of the second coupler 27, the first coupler 26 are another with the second coupler 27
End extends towards the direction far from grounding parts 24.
In the present embodiment, the first coupler 26 and the second coupler 27 are parallel with irradiation unit 23, and the first coupler
26 or second the length of coupler 27 be respectively less than the length of irradiation unit 23.In the present embodiment, the width of the first coupler 26
It may be the same or different with the width of the second coupler 27, depending on the usable area of this main optic placode 21, herein not
It is construed as limiting.
In the present embodiment, by the dipole antenna for being bonded a low-frequency range of irradiation unit 23 and fixing piece 25,
Wherein, the effect of the first coupler 26 and the second coupler 27, which is the secondary resonance of adjustment dipole antenna, makes antenna in high band
(such as 1710~2170MHz) has broader frequency range and better voltage standing wave ratio electric property, specifically, wherein
What the first coupler 26 mainly controlled is 1800 parts MHz＆1900MHz of high frequency, and what the second coupler 27 mainly controlled is high frequency
The parts 2100MHz.
Referring to Fig. 3, showing the voltage standing wave ratio test chart of the antenna assembly of first embodiment of the invention offer.
From the figure 3, it may be seen that the antenna assembly that first embodiment of the invention provides can form good matching with external circuit,
The energy of external circuit most effective can be transferred on antenna, and the frequency range of this antenna includes 824~960MHz and 1710
~1990MHz, i.e. common communications band CDMA850, GSM900, DCS1800 and PCS1900 containing four, lid.
Referring to Fig. 4, showing the H plane radiation field shapes of the 900MHz of the antenna assembly of first embodiment of the invention offer
Figure.
Referring to Fig. 5, showing the E plane radiation field shapes of the 900MHz of the antenna assembly of first embodiment of the invention offer
Figure.
Referring to Fig. 6, showing the H plane radiation fields of the 1900MHz of the antenna assembly of first embodiment of the invention offer
Shape figure.
Referring to Fig. 7, showing the E plane radiation fields of the 1900MHz of the antenna assembly of first embodiment of the invention offer
Shape figure.
By Fig. 4 to 7 it is found that the antenna assembly that shown first embodiment of the invention provides in figure in 900MHz and
The upper energy position field shape figures radiated to surrounding space of 1900MHz, affected by environment, antenna directivity can be by shadow to a certain degree
It rings, but whole relatively omnidirectional.
Referring to Fig. 8, the structural schematic diagram of the antenna assembly 30 of third embodiment of the invention offer is provided, for the ease of
Description, only the parts related to this embodiment are shown.
As shown in figure 8, in the present embodiment, antenna assembly 30 includes：Substrate 31, feeding portion 32, irradiation unit 33, grounding parts
34, fixing piece 35, the first coupler 36 and the second coupler 37.
In the present embodiment, the substrate 31 in antenna assembly 30, feeding portion 32, grounding parts 34, fixing piece 35, the first coupling
Clutch 36, the second coupler 37 respectively with the substrate 21, feeding portion 22, grounding parts 24, fixed in antenna assembly 20 shown in FIG. 1
Part 25, the first coupler 26, the second coupler 27 are identical, and structure and function all same, specific content please refer to above-mentioned Fig. 1
Associated description, just will introduce irradiation unit 33 below not in repeated description herein.
In the present embodiment, irradiation unit 33 includes the first radiation zone 331 and the second radiation zone 332, and close to grounding parts 34
The first radiation zone 331 width it is narrower than the width of the second radiation zone 332 of separate grounding parts 34.
In the present embodiment, irradiation unit 33 is designed to two radiation zones of different size, aerial radiation can met
It is further reduced the volume of antenna while performance, and then more spaces can be saved on the substrate 31, is conducive to antenna miniaturization
Development.
In the present embodiment, substrate 31 is medium substrate, and the material of the medium substrate includes FR4 materials or F4B
Material.
Referring to Fig. 9, showing the voltage standing wave ratio test chart of the antenna assembly of second embodiment of the invention offer.
As shown in Figure 9, the antenna assembly that second embodiment of the invention provides can form good matching with external circuit,
The energy of external circuit most effective can be transferred on antenna, and the frequency range of this antenna includes 824~960MHz and 1710
~1990MHz, i.e. common communications band CDMA850, GSM900, DCS1800 and PCS1900 containing four, lid.
Referring to Fig. 10, showing the H plane radiation fields of the 900MHz of the antenna assembly of second embodiment of the invention offer
Shape figure.
1 is please referred to Fig.1, the E plane radiation fields of the 900MHz of the antenna assembly of second embodiment of the invention offer are provided
Shape figure.
2 are please referred to Fig.1, the H planar radiations of the 1900MHz of the antenna assembly of second embodiment of the invention offer are provided
Field shape figure.
3 are please referred to Fig.1, the E planar radiations of the 1900MHz of the antenna assembly of second embodiment of the invention offer are provided
Field shape figure.
By Figure 10 to 13 it is found that the antenna assembly that shown second embodiment of the invention provides in figure is in 900MHz
With the energy position field shape figure radiated to surrounding space on 1900MHz, affected by environment, antenna directivity can be by shadow to a certain degree
It rings, but whole relatively omnidirectional.
In addition, additionally provide a kind of wireless transceiver, which includes above-mentioned antenna assembly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (8)
1. a kind of antenna assembly, which is characterized in that the antenna assembly includes：
Substrate；
Feeding portion is set on the substrate, is used for feed-in electromagnetic wave signal；
Irradiation unit is connected with the feeding portion and is set on the substrate, is used for radiated electromagnetic wave signal；
First coupler and the second coupler are respectively arranged at the both sides of the irradiation unit and close to the irradiation unit；
Grounding parts are set on the substrate, and are connected with the irradiation unit by the feeding portion；
The antenna assembly further includes：
Fixing piece is connected with the grounding parts, for fixing the substrate；
The fixing piece is metal fixing；
Grooved hole, and the thickness kissing of the width of the slot of the fixing piece and the substrate are opened up in one end of the fixing piece
Conjunction is fixed with ensuring that a part for the substrate of the grounding parts side can be just inserted into the slot of the fixing piece；
The length of the fixing piece is a quarter of the corresponding wavelength of the first resonant frequency of the antenna assembly, the irradiation unit
Length be the corresponding wavelength of the first resonant frequency of the antenna assembly a quarter.
2. antenna assembly as described in claim 1, which is characterized in that the irradiation unit is strip microstrip line, and described
In irradiation unit, the width close to the microstrip line of the grounding parts is narrower than the width of the microstrip line far from the grounding parts.
3. antenna assembly as described in claim 1, which is characterized in that the irradiation unit is vertical with the grounding parts, and described
One end of irradiation unit is connected with the feeding portion, and the other end of the irradiation unit extends towards the direction far from the grounding parts.
4. antenna assembly as described in claim 1, which is characterized in that the grounding parts axisymmetricly, and the grounding parts
Lateral symmetry axis is identical as the lateral symmetry axis of the irradiation unit.
5. antenna assembly as described in claim 1, which is characterized in that first coupler is in second coupler
Strip microstrip line, and first coupler with one end of second coupler is vertical with the grounding parts couples, institute
The other end for stating the first coupler and second coupler extends towards the direction far from the grounding parts.
6. antenna assembly as claimed in claim 5, which is characterized in that first coupler and second coupler with
The irradiation unit is parallel, and the length of first coupler or second coupler is respectively less than the length of the irradiation unit
Degree.
7. antenna assembly as described in claim 1, which is characterized in that the substrate is medium substrate, and the medium substrate
Material include FR4 materials or F4B materials.
8. a kind of wireless transceiver, which is characterized in that including antenna assembly as described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310376343.3A CN104425886B (en) | 2013-08-26 | 2013-08-26 | Antenna assembly and wireless transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310376343.3A CN104425886B (en) | 2013-08-26 | 2013-08-26 | Antenna assembly and wireless transceiver |
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| Publication Number | Publication Date |
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| CN104425886A CN104425886A (en) | 2015-03-18 |
| CN104425886B true CN104425886B (en) | 2018-08-14 |
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| CN201310376343.3A Active CN104425886B (en) | 2013-08-26 | 2013-08-26 | Antenna assembly and wireless transceiver |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2545465A (en) * | 2015-12-17 | 2017-06-21 | Creo Medical Ltd | Electrosurgical probe for delivering microwave energy |
| CN107799879A (en) * | 2016-08-31 | 2018-03-13 | 宏碁股份有限公司 | Mobile device |
| CN106549224B (en) * | 2016-10-13 | 2020-02-11 | 江苏省东方世纪网络信息有限公司 | Antenna and terminal equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629236Y (en) * | 2003-05-19 | 2004-07-28 | 富士康(昆山)电脑接插件有限公司 | Antenna |
| EP1469553A1 (en) * | 2003-04-15 | 2004-10-20 | Hewlett-Packard Development Company, L.P. | Monopole antenna assembly |
| CN101989678A (en) * | 2009-07-29 | 2011-03-23 | 富士通半导体股份有限公司 | Antenna and communication device including the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW572387U (en) * | 2003-06-25 | 2004-01-11 | Hon Hai Prec Ind Co Ltd | Planar antenna |
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2013
- 2013-08-26 CN CN201310376343.3A patent/CN104425886B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1469553A1 (en) * | 2003-04-15 | 2004-10-20 | Hewlett-Packard Development Company, L.P. | Monopole antenna assembly |
| CN2629236Y (en) * | 2003-05-19 | 2004-07-28 | 富士康(昆山)电脑接插件有限公司 | Antenna |
| CN101989678A (en) * | 2009-07-29 | 2011-03-23 | 富士通半导体股份有限公司 | Antenna and communication device including the same |
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