CN206774668U - A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array - Google Patents
A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array Download PDFInfo
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- CN206774668U CN206774668U CN201720645940.5U CN201720645940U CN206774668U CN 206774668 U CN206774668 U CN 206774668U CN 201720645940 U CN201720645940 U CN 201720645940U CN 206774668 U CN206774668 U CN 206774668U
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Abstract
A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array is the utility model is related to, the micro-strip paster antenna includes the radiation patch device above metallic reflection plate and metallic reflection plate；The gap with open slot in metal patch and two first straight line directions is provided with microband paste layer, the open slot in the gap in two first straight line directions is in opposite direction；Transmission network network layers include the first power feed inputs mouth, the first work(partial node, the first feeder line, the second feeder line and the 3rd feeder line；One end of first feeder line is connected with the first power feed inputs mouth, and the other end is connected with the input of the first work(partial node；Second feeder line and the 3rd feeder line, output end of the fixing end respectively with the first work(partial node are connected, and homonymy of the free end respectively to the gap in two first straight line directions extends and respectively across the gap in two first straight line directions.The technical solution of the utility model, can solve the problems, such as the mutual coupling of different frequency in antenna feed chromatic dispersion problem in the prior art and directional diagram cross polarization difference and multifrequency antenna.
Description
Technical field
It the utility model is related to antenna technical field, and in particular to a kind of ultra-wide band microstrip patch antenna and frequency antenna array
Row.
Background technology
Antenna is an energy conversion device in GSM.In mobile communications, directional aerial uses half-wave
Symmetrical dipole forms antenna, it is however generally that, half-wave doublet height is in quarter-wave or so, it is difficult to reduce height.
The more array antennas of multifrequency are the trend of industry at present.And half-wave doublet can not solve the low-and high-frequency mutual coupling in the more array antennas of multifrequency
Problem.And a great problem that all antenna producers can not effectively solve at present.
And paster antenna replaces half-wave symmetry element, can solve the above problems.Such as disclosed in CN202384492U
A kind of utility model patent of entitled paster antenna, but existing traditional micro-strip paster antenna have the shortcomings that unified and can not
It is applied in the more array antennas of multifrequency：1st, aerial band width, feed need 180 degree of paraphase positions (directional diagram and standing wave smaller bandwidth,
The dispersion with frequency change).2nd, directional diagram cross polarization is than very poor.3rd, feed system complexity is, it is necessary to four-point feed.If the 4th, adopt
With 2 points of feeds, directional diagram is asymmetric, and index is very poor.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of super wide band microstrip patch
Chip antenna and multifrequency antenna array, to solve aerial band width in the prior art, antenna feed chromatic dispersion problem and directional diagram intersect
Polarization is poor, in the more array antennas of multifrequency, solves the problems, such as low-and high-frequency mutual coupling.
To realize object above, the utility model adopts the following technical scheme that：
A kind of ultra-wide band microstrip patch antenna, including metallic reflection plate and the radiation that is arranged on above the metallic reflection plate
Paster apparatus；Wherein,
The radiation patch device includes reflecting plate microband paste layer, dielectric layer and transmission network network layers；The microband paste
It is provided with the gap with open slot in metal patch and two first straight line directions on layer, two first straight line directions
The open slot in gap is in opposite direction；
The transmission network network layers include the first power feed inputs mouth, the first work(partial node, the first feeder line, the second feeder line and the
Three feeder lines, wherein, one end of first feeder line is connected with the first power feed inputs mouth, and the other end is defeated with the first work(partial node
Enter end connection；Second feeder line and the 3rd feeder line, output end of the fixing end respectively with the first work(partial node are connected, free end point
Homonymy not to the gap in two first straight line directions extends and respectively across the gap in two first straight line directions.
Preferably, the operation wavelength of 0~0.15 times of the equal length of second feeder line and the 3rd feeder line or difference.
Preferably, second feeder line and the 3rd feeder line, free end is respectively to the gap in two first straight line directions
Homonymy extension and respectively across behind the gap in two first straight line directions with the metal patch on the microband paste layer
Short circuit connection；
Or homonymy of the free end respectively to the gap in two first straight line directions extends and respectively across two institutes
Behind the gap for stating first straight line direction, preset length is re-extended, is of coupled connections with the metal patch on the microband paste layer；Its
In, the preset length is the length in the default fluctuation range of quarter-wave or so.
Preferably, two seams with open slot on second straight line direction are additionally provided with the microband paste layer
Gap, the open slot in the gap on two second straight line directions are in opposite direction；The first straight line direction and second straight line side
To orthogonal；
The transmission network network layers also include the second power feed inputs mouth, the second work(partial node, the 4th feeder line, the 5th feeder line and
6th feeder line, wherein, one end of the 4th feeder line is connected with the second power feed inputs mouth, the other end and the second work(partial node
Input connects；5th feeder line and the 6th feeder line, output end of the fixing end respectively with the second work(partial node are connected, free end
Homonymy extension to the gap on two second straight line directions and respectively across on two second straight line directions respectively
Gap.
Preferably, the operation wavelength of 0~0.15 times of the equal length of the 5th feeder line and the 6th feeder line or difference.
Preferably, the 5th feeder line and the 6th feeder line, free end is respectively to the gap in two second straight line directions
Homonymy extension and respectively across behind the gap in two second straight line directions with the metal patch on the microband paste layer
Short circuit connection；
Or homonymy of the free end respectively to the gap in two second straight line directions extends and respectively across two institutes
Behind the gap for stating second straight line direction, preset length is re-extended, is of coupled connections with the metal patch on the microband paste layer；Its
In, the preset length is the length in the default fluctuation range of quarter-wave or so.
Preferably, the first power feed inputs mouth and the second power feed inputs mouth are fed by feeding coaxial lines connects；
The bottom of the feeding coaxial lines is arranged on the metallic reflection plate front, with being arranged on the positive feeder line of expelling plate
Connection, or through the metallic reflection plate, the metallic reflection back is extended to, the feeder line with being arranged on transmitting back connects
Connect.
Preferably, it is additionally provided with above the radiation patch device and guides piece into, it is described to guide piece and radiation patch device into extremely
It is fixed on less by a support column in the metallic reflection plate.
Preferably, it is described guide piece into be shaped as square, polygon, circle or annular；The size for guiding piece into
The size of radiation patch device described in ＜.
Preferably, the first feeder line or the 4th feed line length are 0~0.3 times of operation wavelength, Huo Zhejian identical by width
Become, or width not wait multi-section-line form.
Preferably, second and third feeder line is identical by width, either the multi-section-line composition of gradual change or width not etc.；5th,
Six feeder lines are identical by width, either the multi-section-line composition of gradual change or width not etc..
A kind of multifrequency antenna array, including at least the two kinds of radiating element for being operated in height different frequency (this multifrequency antennas
Array includes the antenna of at least two frequencies, such as 1L1H, 1L2H, 1L3H, 1L4H, 2L2H, 2L4H etc., and wherein L represents low
Frequently, H represents high frequency), in addition to above-mentioned micro-strip paster antenna, the micro-strip paster antenna is as the multifrequency antenna array
High frequency radiating element.
The utility model uses above technical scheme, at least possesses following beneficial effect：
As shown from the above technical solution, this ultra-wide band microstrip patch antenna provided by the utility model, microband paste layer
On be provided with the gap with open slot in metal patch and two first straight line directions, the gap in two first straight line directions
Open slot is in opposite direction；One end of first feeder line of transmission network network layers is connected with the first power feed inputs mouth, the other end and first
The input connection of work(partial node；Second feeder line and the 3rd feeder line, output end of the fixing end respectively with the first work(partial node are connected,
Free end respectively to two first straight line directions gap homonymy extension and respectively across the gap in two first straight line directions,
Understand that this micro-strip paster antenna provided by the utility model uses cutler feed, two distributing point phases of same polarised direction
It is identical, in the absence of chromatic dispersion problem, solve the problems, such as conventional patch antenna directional diagram and standing wave smaller bandwidth.
Further, since using cutler feed, polarization purity is very high, so cross polarization is than fine.Due to distributing point phase
Same phase, feeding network are all disposed within metal patch, and same polarised direction only has a feed output, structure letter after merging
It is single.
In ultra wideband multi-band aerial array, above-mentioned ultra wide band paster antenna, because the mutual of low-and high-frequency is not present in section bottom
Coupling problem, so the effective mutual coupling solved the problems, such as in multifrequency antenna array.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram for the ultra-wide band microstrip patch antenna that the embodiment of the utility model one provides；
Fig. 2 is the top view of the radiation patch device of the ultra-wide band microstrip patch antenna shown in Fig. 1；
Fig. 3 is the vertical view of the radiation patch device for the ultra-wide band microstrip patch antenna that another embodiment of the utility model provides
Figure；
Fig. 4 is the vertical view of the radiation patch device for the ultra-wide band microstrip patch antenna that another embodiment of the utility model provides
Figure；
Fig. 5 is the vertical view of the radiation patch device for the ultra-wide band microstrip patch antenna that another embodiment of the utility model provides
Figure；
Fig. 6 is the overall structure diagram for the ultra-wide band microstrip patch antenna that another embodiment of the utility model provides；
Fig. 7 is the side view of the ultra-wide band microstrip patch antenna shown in Fig. 6；
Fig. 8 is the overall structure diagram for the multifrequency antenna array that the embodiment of the utility model one provides；
Fig. 9 is the overall structure diagram for the multifrequency antenna array that another embodiment of the utility model provides.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, a kind of ultra-wide band microstrip patch antenna of the embodiment of the utility model one offer, including metal
Reflecting plate 1 and the radiation patch device 2 for being arranged on the top of metallic reflection plate 1；Wherein,
The radiation patch device 2 includes reflecting plate microband paste layer, dielectric layer and transmission network network layers；The microband paste
The gap 24 with open slot in metal patch and two first straight line directions, two first straight line directions are provided with layer
Gap 24 open slot it is in opposite direction；
The transmission network network layers include the first power feed inputs mouth 20, the first work(partial node (not shown in accompanying drawing), first
Feeder line 21, the second feeder line 22 and the 3rd feeder line 23, wherein, one end of first feeder line 21 connects with the first power feed inputs mouth 20
Connect, the other end is connected with the input of the first work(partial node；The feeder line 23 of second feeder line 22 and the 3rd, fixing end respectively with
The output end connection of first work(partial node, homonymy of the free end respectively to the gap 24 in two first straight line directions extend simultaneously
Respectively across the gap 24 in two first straight line directions.
As shown from the above technical solution, this micro-strip paster antenna provided by the utility model, set on microband paste layer
There are the gap with open slot in metal patch and two first straight line directions, the open slot in the gap in two first straight line directions
In the opposite direction；One end of first feeder line of transmission network network layers is connected with the first power feed inputs mouth, the other end and the first work(merogenesis
The input connection of point；Second feeder line and the 3rd feeder line, output end of the fixing end respectively with the first work(partial node are connected, free end
The homonymy to the gap in two first straight line directions extends and respectively across the gap in two first straight line directions respectively, it is known that this
This micro-strip paster antenna that utility model provides uses cutler feed, and two distributing point phases of same polarised direction are identical,
In the absence of chromatic dispersion problem, conventional patch antenna directional diagram and standing wave smaller bandwidth are solve thed problems, such as.
Further, since using cutler feed, polarization purity is very high, so cross polarization is than fine.Due to distributing point phase
Same phase, feeding network are all disposed within metal patch, and same polarised direction only has a feed output, structure letter after merging
It is single.
Preferably, the operation wavelength of 0~0.15 times of the equal length of the feeder line 23 of the second feeder line 22 and the 3rd or difference.
Preferably, referring to Fig. 2, the feeder line 23 of the second feeder line 22 and the 3rd, free end is described first straight to two respectively
The homonymy extension in the gap 24 in line direction is simultaneously pasted across behind the gap 24 in two first straight line directions with the micro-strip respectively
Metal patch short circuit connection on lamella；
Or extend and distinguish referring to Fig. 3, homonymy of the free end respectively to the gap 24 in two first straight line directions
Across after the gap 24 in two first straight line directions, preset length is re-extended, is pasted with the metal on the microband paste layer
Piece is of coupled connections；Wherein, the preset length is the length in the default fluctuation range of quarter-wave or so.
Referring to Fig. 4, it is preferable that two carrying on second straight line direction are additionally provided with the microband paste layer and are opened
The gap 25 of mouthful groove, the open slot in the gap 25 on two second straight line directions are in opposite direction；The first straight line direction
It is orthogonal with second straight line direction；
The transmission network network layers also include the second power feed inputs mouth 26, the second work(partial node (not shown in accompanying drawing), the
Four feeder lines 27, the 5th feeder line 28 and the 6th feeder line 29, wherein, one end and the second power feed inputs mouth 26 of the 4th feeder line 27
Connection, the other end are connected with the input of the second work(partial node；5th feeder line 28 and the 6th feeder line 29, fixing end respectively with
The output end connection of second work(partial node, free end extend to the homonymy in the gap 25 on two second straight line directions respectively
And respectively across the gap 25 on two second straight line directions.
Preferably, the operation wavelength of 0~0.15 times of the equal length of the 5th feeder line 28 and the 6th feeder line 29 or difference
(being used to meet some particular orientation figure demands).
Referring to Fig. 4, it is preferable that the 5th feeder line 28 and the 6th feeder line 29, free end are described second straight to two respectively
The homonymy extension in the gap 25 in line direction is simultaneously pasted across behind the gap 25 in two second straight line directions with the micro-strip respectively
Metal patch short circuit connection on lamella；
Or extend and distinguish referring to Fig. 5, homonymy of the free end respectively to the gap 25 in two second straight line directions
Across after the gap 25 in two second straight line directions, preset length is re-extended, is pasted with the metal on the microband paste layer
Piece is of coupled connections；Wherein, the preset length is the length in the default fluctuation range of quarter-wave or so.
Referring to Fig. 1, it is preferable that the first power feed inputs mouth 20 and the second power feed inputs mouth 26 are coaxial by feeding
The feed connection of line 3；The bottom of the feeding coaxial lines 3 is arranged on the front of metallic reflection plate 1, with being arranged on expelling plate just
The feeder line connection in face, or through the metallic reflection plate 1, the back side of metallic reflection plate 1 is extended to, with being arranged on transmitting backboard
The feeder line connection in face.
Referring to Fig. 6 and Fig. 7, it is preferable that the top of radiation patch device 2, which is additionally provided with, guides piece 4 into, described to guide piece 4 into
It is fixed on radiation patch device 2 at least through a support column 5 in the metallic reflection plate 1.
Preferably, it is described guide piece 4 into be shaped as square, polygon, circle or annular；The chi for guiding piece 4 into
The size of radiation patch device 2 described in very little ＜.
In addition, referring to Fig. 8 and Fig. 9, the utility model also proposed multifrequency antenna array, and height is operated in including at least two kinds
The radiating element of low different frequency, in addition to above-mentioned micro-strip paster antenna, the micro-strip paster antenna is as the multifrequency antenna
The high frequency radiating element of array.It is understood that above-mentioned micro-strip paster antenna is used in multifrequency antenna array, height can be eliminated
Mutual coupling between low frequency.The low frequency operation segment limit of multifrequency antenna array is preferably 560MHz~960MHz, high-frequency work
Segment limit is preferably 1690MHz~2690MHz, can also be used according to being actually needed in other frequency ranges.
Above-mentioned micro-strip paster antenna is preferentially realized using PCB, and metal plate and metal plate band line can also be used to feed, while
It can be realized according to being actually needed using other forms.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.Term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint phase
To importance.Term " multiple " refers to two or more, is limited unless otherwise clear and definite, term " work(partial node " also only conduct
Description, a part that can also be using first, second, third and fourth, five, six feeder lines as power splitter.
Claims (10)
1. a kind of ultra-wide band microstrip patch antenna, it is characterised in that including metallic reflection plate and be arranged on the metallic reflection plate
The radiation patch device of top；Wherein,
The radiation patch device includes microband paste layer, dielectric layer and the transmission network network layers above reflecting plate；The micro-strip patch
The gap with open slot in metal patch and two first straight line directions, two first straight line directions are provided with lamella
Gap open slot it is in opposite direction；
The transmission network network layers include the first power feed inputs mouth, the first work(partial node, the first feeder line, the second feeder line and the 3rd feedback
Line, wherein, one end of first feeder line is connected with the first power feed inputs mouth, the input of the other end and the first work(partial node
Connection；Second feeder line and the 3rd feeder line, output end of the fixing end respectively with the first work(partial node are connected, free end respectively to
The homonymy in the gap in two first straight line directions extends and respectively across the gap in two first straight line directions.
2. ultra-wide band microstrip patch antenna according to claim 1, it is characterised in that second feeder line and the 3rd feeder line
Equal length or differ 0~0.15 times of operation wavelength.
3. ultra-wide band microstrip patch antenna according to claim 1, it is characterised in that second feeder line and the 3rd feedback
Line, homonymy of the free end respectively to the gap in two first straight line directions extend and respectively across two first straight lines
It is connected behind the gap in direction with the metal patch short circuit on the microband paste layer；
Or free end respectively to two articles of first straight line directions gap homonymy extension and respectively across two articles described the
Behind the gap of one rectilinear direction, preset length is re-extended, is of coupled connections with the metal patch on the microband paste layer；Wherein,
The preset length is the length in the default fluctuation range of quarter-wave or so.
4. ultra-wide band microstrip patch antenna according to claim 1, it is characterised in that also set up on the microband paste layer
There are two gaps with open slot on the second straight line direction, the opening in the gap on two second straight line directions
Groove is in opposite direction；The first straight line direction and second straight line direction are orthogonal；
The transmission network network layers also include the second power feed inputs mouth, the second work(partial node, the 4th feeder line, the 5th feeder line and the 6th
Feeder line, wherein, one end of the 4th feeder line is connected with the second power feed inputs mouth, the input of the other end and the second work(partial node
End connection；5th feeder line and the 6th feeder line, output end of the fixing end respectively with the second work(partial node are connected, free end difference
Extend and respectively across the seam on two second straight line directions to the homonymy in the gap on two second straight line directions
Gap.
5. ultra-wide band microstrip patch antenna according to claim 4, it is characterised in that the 5th feeder line and the 6th feeder line
Equal length or differ 0~0.15 times of operation wavelength.
6. ultra-wide band microstrip patch antenna according to claim 4, it is characterised in that the 5th feeder line and the 6th feedback
Line, homonymy of the free end respectively to the gap in two second straight line directions extend and respectively across two second straight lines
It is connected behind the gap in direction with the metal patch short circuit on the microband paste layer；
Or free end respectively to two articles of second straight line directions gap homonymy extension and respectively across two articles described the
Behind the gap of two rectilinear directions, preset length is re-extended, is of coupled connections with the metal patch on the microband paste layer；Wherein,
The preset length is the length in the default fluctuation range of quarter-wave or so.
7. ultra-wide band microstrip patch antenna according to claim 4, it is characterised in that the first power feed inputs mouth and
Second power feed inputs mouth is fed by feeding coaxial lines and connected；
The bottom of the feeding coaxial lines is arranged on the metallic reflection plate front, connects with being arranged on the positive feeder line of expelling plate
Connect, or through the metallic reflection plate, extend to the metallic reflection back, the feeder line with being arranged on transmitting back connects
Connect.
8. according to the ultra-wide band microstrip patch antenna described in any one of claim 1~7, it is characterised in that the radiation patch
It is additionally provided with above device and guides piece into, piece and the radiation patch device of guiding into is fixed on the gold at least through a support column
Belong on reflecting plate.
9. ultra-wide band microstrip patch antenna according to claim 8, it is characterised in that it is described guide piece into be shaped as pros
Shape, polygon, circle or annular；The size of radiation patch device described in the size ＜ for guiding piece into.
A kind of 10. multifrequency antenna array, including at least two kinds of radiating elements for being operated in height different frequency, it is characterised in that
Also include the ultra-wide band microstrip patch antenna described in any one of claim 1~9, the micro-strip paster antenna is as the multifrequency
The high frequency radiating element of aerial array.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720645940.5U CN206774668U (en) | 2017-06-06 | 2017-06-06 | A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array |
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| CN201720645940.5U CN206774668U (en) | 2017-06-06 | 2017-06-06 | A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086363A (en) * | 2017-06-06 | 2017-08-22 | 安谱络(苏州)通讯技术有限公司 | A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086363A (en) * | 2017-06-06 | 2017-08-22 | 安谱络(苏州)通讯技术有限公司 | A kind of ultra-wide band microstrip patch antenna and multifrequency antenna array |
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