CN206040984U - Compact broadband end -fire array antenna - Google Patents
Compact broadband end -fire array antenna Download PDFInfo
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- CN206040984U CN206040984U CN201621089035.8U CN201621089035U CN206040984U CN 206040984 U CN206040984 U CN 206040984U CN 201621089035 U CN201621089035 U CN 201621089035U CN 206040984 U CN206040984 U CN 206040984U
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Abstract
The utility model discloses a compact broadband end -fire array antenna, including the two -sided PCB board of individual layer, PCB's one side is provided with feed network, PCB's another side is provided with antenna array, feed network includes radio frequency input fore -end and radio frequency input back tip, the same and output phase of 4 output port's of radio frequency input back tip output begins to be respectively 270, 90, 180 and 0 from upper left side clockwise, antenna array with output port corresponds the setting. Therefore, above -mentioned antenna can realize that the radiation direction is the end -fire, rather than perpendicularly, because the end -on -fire antenna has the characteristics of high directionality, can receive, launch frequency / microwave / millimeter wave signal, and the radiation direction is perpendicular to array plane relatively, the actual demand of satisfying the aircraft that can be better.
Description
Technical field
This utility model is related to radio-frequency antenna technical field, more particularly to a kind of Compact type broadband end-fire array antenna.
Background technology
Various aircraft are needed based on target acquisition, precise guidance, the target-seeking, radio communication in end etc. in high speed motions
Ask, expect one antenna beam of dead ahead transmitting or reception in its movement locus, while the antenna installed must meet fluid
Mechanics, general structure design, RCS (RCS) reduction etc. are required.Traditional array antenna mostly is to be made using mouth surface antenna
For the side-looking battle array of radiating element, its radiation direction is perpendicular to array plane, it is clear that radiation direction is perpendicular to array plane
Words, it is impossible to meet actual demand.
As can be seen here, the radiation direction for how realizing antenna is art technology in the dead ahead of the movement locus of aircraft
Personnel ground urgently to be resolved hurrily problem.
Utility model content
The purpose of this utility model is to provide a kind of Compact type broadband end-fire array antenna, for realizing the radiation side of antenna
To the dead ahead of the movement locus in aircraft.
For solving above-mentioned technical problem, this utility model provides a kind of Compact type broadband end-fire array antenna, including monolayer
Double-sided PCB board, the one side of the PCB are provided with feeding network, and the another side of the PCB is provided with aerial array, the feed
Network includes radio frequency input front end part and radio frequency input rear end part, and the radio frequency is input into 4 output ports of rear end part
Output is identical and output phase starts respectively 270 °, 90 °, 180 ° and 0 °, the day clockwise from upper left side
Linear array is correspondingly arranged with the output port.
Preferably, the radio frequency input front end include rf inputs mouth, the first T-shaped power splitter, the first microstrip line, second
Microstrip line, first wave length changer and second wave length changer；
The first port of the first T-shaped power splitter is connected with the rf inputs mouth by the first microstrip line, described
The second port of the first T-shaped power splitter is connected with the second microstrip line and first wave length changer, the first T-shaped power splitter in turn
The 3rd port be connected with second microstrip line and second wave length changer in turn；
Wherein, width of the width of first microstrip line more than the second microstrip line, the first wave length changer and institute
State second wave length transducer parameters identical.
Preferably, first microstrip line is 50 Ω, and second microstrip line is 100 Ω.
Preferably, the first wave length changer and the second wave length changer are the quarter-wave of 70.71 Ω
Long changer.
Preferably, radio frequency input rear end part includes the first branch and the second branch, and first branch includes the
Three microstrip lines, the 4th microstrip line, the 5th microstrip line, the 6th microstrip line, the 7th microstrip line and the second T-shaped power splitter, the 3rd wavelength
Changer and the 4th wavelength shifter；
The first port of the second T-shaped power splitter is connected with the 3rd microstrip line, the 3rd microstrip line also with institute
State the connection of first wave length changer, the second port of the second T-shaped power splitter successively with the 4th microstrip line, the described 3rd
Wavelength shifter and the 5th microstrip line connection, the port of the 5th microstrip line is used as the outfan that phase place is 270 °
Mouthful；
3rd port of the second T-shaped power splitter successively with the 6th microstrip line, the 4th wavelength shifter with
And the 7th microstrip line connection, the port of the 7th microstrip line is used as the output port that phase place is 90 °；
Second branch include the 8th microstrip line, the 9th microstrip line, the tenth microstrip line, the 11st microstrip line, the 12nd
Microstrip line and the 3rd T-shaped power splitter, the 5th wavelength shifter and the 6th wavelength shifter；
The first port of the 3rd T-shaped power splitter is connected with the 8th microstrip line, the 8th microstrip line also with institute
State the connection of second wave length changer, the second port of the 3rd T-shaped power splitter successively with the 9th microstrip line, the described 5th
Wavelength shifter and the tenth microstrip line connection, the port of the tenth microstrip line is used as the output port that phase place is 0 °；
3rd port of the 3rd T-shaped power splitter successively with the 11st microstrip line, the 6th wavelength shifter
And the 12nd microstrip line connection, the port of the 12nd microstrip line is used as the output port that phase place is 180 °；
Wherein, the 3rd microstrip line, the 5th microstrip line, the 7th microstrip line, the 8th microstrip line, described
Tenth microstrip line, the 12nd microstrip line are identical with the width of first microstrip line；4th microstrip line, the described 6th
Micro-strip, the 9th microstrip line, the 11st microstrip line are identical with the width of second microstrip line, the 6th microstrip line
Length than the 4th microstrip line length increase λg/ 2, the length of the 9th microstrip line is than the 11st microstrip line
Length increases λg/ 2, λgIt is guide wavelength, the length of the 3rd microstrip line and the length of the 8th microstrip line, the described 3rd
Wavelength shifter, the 4th wavelength shifter, the 5th wavelength shifter, the 6th wavelength shifter and described first
Wavelength shifter is identical with the parameter of the second wave length changer.
Preferably, the aerial array includes 4 symmetrically arranged antenna array units, is 270 ° defeated respectively with phase place
Exit port, phase place be 90 ° output port, the output port that phase place is 0 °, the output port that phase place is 180 ° be correspondingly arranged, institute
Antenna array unit is stated for embedding square loop crack structure, the embedded square loop crack structure is to center convergence and center pair
The 4 GeTXing branches for claiming.
Preferably, the length of side of the square outer shroud of the antenna array unit is the spacing of 8mm, square outer shroud and internal ring
For 1.1mm, the length and width respectively 2.9mm and 0.8mm of the cross bar of the T-shaped branch, the length of the montant of the T-shaped branch
Degree and width are respectively 0.78mm and 1.01mm.
Preferably, the aerial array is square in the horizontal direction, and length and width is respectively 36.26mm, described
Aerial array height in vertical direction is 1mm.
Preferably, the pcb board is rectangle, and 4 angles of the pcb board are provided with installing hole.
Preferably, the thickness of the pcb board is 1mm, and the thickness of double face copper is 35 μm.
Compact type broadband end-fire array antenna provided by the utility model, radio frequency input rear end part adopt unsymmetrical knot
Structure, from upper left side clockwise, the output of 4 output ports is equal, output phase be respectively 270 °, 90 °, 180 ° and
0 °, and aerial array is correspondingly arranged with 4 output ports so that the greatest irradiation of array antenna is oriented parallel to pcb board, so as to
Realize good end-fire performance.The characteristics of having high directionality due to end-on-fire antenna, can be with sending and receiving RF/Microwave/millimeter wave letter
Number, relative radiation direction is the actual demand that can better meet aircraft for array plane.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment, letter will be done to accompanying drawing to be used needed for embodiment below
Single introduction, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, general for this area
For logical technical staff, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of structure chart of Compact type broadband end-fire array antenna that Fig. 1 is provided for this utility model embodiment；
Fig. 2 has the structure chart of the one side of feeding network for a kind of pcb board that this utility model embodiment is provided；
Fig. 3 has the structure chart of the one side of aerial array for a kind of pcb board that this utility model embodiment is provided；
A kind of structure chart of feeding network that Fig. 4 is provided for this utility model embodiment；
A kind of size control schematic diagram of feeding network that Fig. 5 is provided for this utility model embodiment；
A kind of structure chart of aerial array that Fig. 6 is provided for this utility model embodiment；
A kind of structure chart of antenna array unit that Fig. 7 is provided for this utility model embodiment；
A kind of return loss plot of Compact type broadband end-fire array antenna that Fig. 8 is provided for this utility model embodiment；
On a kind of xz and yz sections of Compact type broadband end-fire array antenna that Fig. 9 is provided for this utility model embodiment
Gain pattern.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than it is all real
Apply example.Based on the embodiment in this utility model, those of ordinary skill in the art under the premise of creative work is not made, institute
The every other embodiment for obtaining, belongs to this utility model protection domain.
Core of the present utility model is to provide a kind of Compact type broadband end-fire array antenna.
In order that those skilled in the art more fully understand this utility model scheme, below in conjunction with the accompanying drawings and it is embodied as
The utility model is described in further detail for mode.
A kind of structure chart of Compact type broadband end-fire array antenna that Fig. 1 is provided for this utility model embodiment.Fig. 2 is this
A kind of pcb board that utility model embodiment is provided has the structure chart of the one side of feeding network.Fig. 3 is this utility model embodiment
A kind of pcb board for providing has the structure chart of the one side of aerial array.As Figure 1-3, Compact type broadband end-fire array antenna
Including single-layer double-side pcb board 1, the one side of PCB is provided with feeding network 2, and the another side of PCB is provided with aerial array 3, transmission network
Network 2 includes radio frequency input front end part and radio frequency input rear end part, and radio frequency is input into 4 output port (labels of rear end part
For 20,21,22 and output phases identical with output 23) from upper left side start clockwise respectively 270 °, 90 °,
180 ° and 0 °, aerial array 3 is correspondingly arranged with output port.
In being embodied as, pcb board 1 can select FR4_epoxy microwave materials, and relative dielectric constant is 4.4, and tangent is damaged
Consume for 0.02, thickness is 1mm, the thickness of double face copper is 35 μm.Pcb board 1 can be rectangle, length L of rectangle and width
Degree W can be set according to practical situation.
The Compact type broadband end-fire array antenna that the present embodiment is provided, radio frequency input rear end part adopt unsymmetric structure,
From upper left side clockwise, the output of 4 output ports is equal, and output phase is 270 °, 90 °, 180 ° and 0 ° respectively,
And aerial array is correspondingly arranged with 4 output ports so that the greatest irradiation of array antenna is oriented parallel to pcb board, so as to reality
Now good end-fire performance.The characteristics of having high directionality due to end-on-fire antenna, can be with sending and receiving RF/Microwave/millimeter wave letter
Number, relative radiation direction is the actual demand that can better meet aircraft for array plane.
A kind of structure chart of feeding network that Fig. 4 is provided for this utility model embodiment.As shown in figure 4, before radio frequency input
End includes rf inputs mouth 40, the first T-shaped power splitter 41, the first microstrip line 42, the second microstrip line 43, first wave length changer
44 and second wave length changer 45.
The first port of the first T-shaped power splitter 41 is connected with rf inputs mouth 40 by the first microstrip line 42, and first is T-shaped
The second port of power splitter 41 is connected with the second microstrip line 43 and first wave length changer 44 in turn, the first T-shaped power splitter 41
3rd port is connected with the second microstrip line 43 and second wave length changer 45 in turn；
Wherein, width of the width of the first microstrip line 42 more than the second microstrip line 43, first wave length changer 44 and second
45 parameter of wavelength shifter is identical.
Due to microstrip line width and impedance be inversely proportional to, then corresponding impedance is also different for different width.As for microstrip line
Length and shape flexibly can set.For example, the width of the first microstrip line is 4.33 times of the second micro belt line width, concrete
In enforcement, the first microstrip line can be selected to be 50 Ω, the second microstrip line is 100 Ω.In addition, first wave length changer 44 and second
Wavelength shifter 45 is intended merely to distinguish, the parameter identical of the two.For example in a kind of specific embodiment, can select
First wave length changer 44 and second wave length changer 45 are the quarter-wave transformer of 70.71 Ω.
Rf inputs mouth 40 is the radio frequency input of aerial array 3 and test port, is used as SMA is installed, selection
Product type can be Gwave SMA-KHD9A.
As shown in figure 4, radio frequency input rear end part include the first branch (in figure top half i.e. with first wave length changer
The branch of 44 connections) and the second branch (branch that the latter half is connected with second wave length changer 45 in figure), the first branch
It is T-shaped including the 3rd microstrip line 46, the 4th microstrip line 47, the 5th microstrip line 48, the 6th microstrip line 49, the 7th microstrip line 50 and second
Power splitter 51, the 3rd wavelength shifter 52 and the 4th wavelength shifter 53.
The first port of the second T-shaped power splitter 51 is connected with the 3rd microstrip line 46, and the 3rd microstrip line 46 is gone back and first wave length
Changer 44 connects, the second port of the second T-shaped power splitter successively with the 4th microstrip line 47, the 3rd wavelength shifter 52 and
Five microstrip lines 48 connect, and the port of the 5th microstrip line 48 is used as the output port 20 that phase place is 270 °.
3rd port of the second T-shaped power splitter 51 successively with the 6th microstrip line 49, the 4th wavelength shifter 53 and the 7th
Microstrip line 50 connects, and the port of the 7th microstrip line 50 is used as the output port 21 that phase place is 90 °.
As shown in figure 4, the second branch includes that the 8th microstrip line 54, the 9th microstrip line 55, the tenth microstrip line the 56, the 11st are micro-
Band wire 57, the 12nd microstrip line 58 and the 3rd T-shaped power splitter 59, the 5th wavelength shifter 60 and the 6th wavelength shifter 61.
The first port of the 3rd T-shaped power splitter 59 is connected with the 8th microstrip line 54, and the 8th microstrip line 54 is gone back and second wave length
Changer 45 connects, the second port of the 3rd T-shaped power splitter 59 successively with the 9th microstrip line 55, the 5th wavelength shifter 60 and
Tenth microstrip line 56 connects, and the port of the tenth microstrip line 56 is used as the output port 22 that phase place is 180 °.
3rd port of the 3rd T-shaped power splitter 59 successively with the 11st microstrip line 57, the 6th wavelength shifter 61 and
12 microstrip lines 58 connect, and the port of the 12nd microstrip line 58 is used as the output port 23 that phase place is 0 °.
Wherein, the 3rd microstrip line 46, the 5th microstrip line 48, the 7th microstrip line 50, the 8th microstrip line 54, the tenth microstrip line
56th, the 12nd microstrip line 58 is identical with the width of the first microstrip line 42；4th microstrip line 47, the 6th micro-strip 49, the 9th microstrip line
55th, the 11st microstrip line 57 is identical with the width of the second microstrip line 43, and the length of the 6th microstrip line 49 is than the 4th microstrip line 47
Length increases λg/ 2, the length of the 9th microstrip line 55 increases λ than the length of the 11st microstrip line 57g/ 2, λgIt is guide wavelength, the
The length of three microstrip lines 46 and the length of the 8th microstrip line 54, the 3rd wavelength shifter 52, the 4th wavelength shifter 53, the 5th ripple
Long changer 60, the 6th wavelength shifter 61 are identical with the parameter of first wave length changer 44 and second wave length changer 45.
If it is understood that can be adjusted flexibly when there is no the shape of specified otherwise microstrip line, for example, for
It is linear type for one microstrip line 42, width is 1.82mm, and the second microstrip line 43 is flexure type, width is 0.42mm.
The computing formula of guide wavelength is：Wherein, λgIt is guide wavelength, c is the light velocity, f is operating frequency, εe
For effective dielectric constant.
It is understood that the 4th microstrip line 47 is different with the length of the 6th microstrip line 49, cause output port 20 and defeated
The phase place of exit port 21 is different, and the 9th microstrip line 55 is different with the length of the 11st microstrip line 57, causes output port 22 and defeated
The phase place of exit port 23 is different.In a kind of specific embodiment, the length of above-mentioned 6 wavelength shifters can be 6.2mm,
Width is 0.96mm.In addition, the first T-shaped power splitter 41, the second T-shaped power splitter 51 and the 3rd T-shaped power splitter 59, these three are T-shaped
Power splitter is duplicate, can also serve as 50 Ω simultaneously and 100 Ω characteristic impedance microstrip lines transition are used, and length can be
1.82mm, width can be 0.42mm.
A kind of size control schematic diagram of feeding network that Fig. 5 is provided for this utility model embodiment.It is understood that
Fig. 5 and Fig. 4 are identicals, thus corresponding label be also identical (it is clear in order to illustrate, be only labelled with part in Fig. 5, remaining
Part is please compareed with Fig. 4), simply the size in Fig. 5 for diverse location is marked.As shown in figure 5, in feeding network
In 2, the size of each microstrip line, L4 are 4.32mm, and W4 is 1.92mm, and L5 is 0.62mm, and W5 is 0.27mm, and L6 is 0.22mm,
W6 is 0.27mm, and L7 is 0.5mm, and L8 is 2.09mm, and L9 is 1.5mm, and L10 is 2.16mm, and L11 is 4.7mm, and L12 is 2mm, L13
For 5.26mm, L14 is 0.2mm, and L15 is 0.5mm, and L16 is 0.2mm, and L17 is 1.86mm, and L18 is 0.5mm, and L19 is 1.16mm.
A kind of structure chart of aerial array that Fig. 6 is provided for this utility model embodiment.As shown in fig. 6, aerial array 3 is wrapped
Include 4 symmetrically arranged antenna array units 60, with phase place be respectively 270 ° output port, the output port that phase place is 90 °,
Phase place be 180 ° output port, the output port that phase place is 0 ° be correspondingly arranged, antenna array unit 60 is embedded square loop
Crack structure, it is to center convergence and centrosymmetric 4 GeTXing branches to embed square loop crack structure.In addition, antenna array unit
Spacing G between 60 is close to 1/2nd wavelength of free space, can be 21mm.
A kind of structure chart of antenna array unit that Fig. 7 is provided for this utility model embodiment.As shown in fig. 7, antenna array
4 of column unit 60 T-shaped to branch into centrosymmetry, and length of side D of the square outer shroud of antenna array unit 60 is 8mm, square
Outer shroud is 1.1mm with spacing d of internal ring, and length M2 of the cross bar of T-shaped branch and width N2 are respectively 2.9mm and 0.8mm, T-shaped
M1 length and widths N1 of the montant of branch are respectively 1.01mm and 0.78mm.In being embodied as, if selecting 50 Ω micro-strips
Line is fed, then the input impedance of antenna array unit 60 is 50 Ω.Week of the mid frequency of Antenna Operation by square seam
The size of long and interior filleting determines that bandwidth of operation is mainly affected by interior filleting, therefore specific size needs are according to practical situation
Setting, the present embodiment are repeated no more.
Preferably embodiment, aerial array 3 are square in the horizontal direction, and length and width is respectively
36.26mm, aerial array height in vertical direction are 1mm.
Relative to existing aerial array length and width be at least more than 100 millimeters, and in this utility model aerial array length
Degree and width are 36.26mm, and size is greatly reduced, and realizes compactedness, the Miniaturization Design of array antenna；The height of array antenna
Spend for 1mm so that the aerial array has extremely low section, can be conformal with various aircraft.In addition, in being embodied as, can be with
The size of aerial array is set according to the actual requirements, for example, set the size of antenna array unit so that antenna disclosure satisfy that respectively
The requirement of frequency range is planted, such as C frequency ranges, the present embodiment are repeated no more.
As shown in fig. 6, on the basis of above-described embodiment, pcb board 1 is rectangle, and 4 angles of pcb board are provided with installing hole
4。
In other embodiments, also including securing member, securing member is used cooperatively with installing hole 4, and pcb board is arranged on phase
On the position answered.
A kind of return loss plot of Compact type broadband end-fire array antenna that Fig. 8 is provided for this utility model embodiment.Such as
Shown in Fig. 8, the operating center frequency of the antenna is 5.8GHz, and working band is 5.61GHz 6.57GHz, and absolute bandwidth reaches
0.96GHz, meets the requirement of broad-band antenna.
On a kind of xz and yz sections of Compact type broadband end-fire array antenna that Fig. 9 is provided for this utility model embodiment
Gain pattern.As shown in figure 9, the gain pattern on xz sections shows that antenna radiation along the x-axis direction is most strong, after maximum
Lobe is less than -7dB, and the gain pattern on yz sections shows that antenna radiation along the x-axis direction is concentrated very much, set so as to illustrate
Meter array antenna has good end-fire performance.
Above Compact type broadband end-fire array antenna provided by the utility model is described in detail.In description
Each embodiment is described by the way of progressive, and what each embodiment was stressed is the difference with other embodiment,
Between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment, due to itself and enforcement
Method disclosed in example is corresponding, so description is fairly simple, related part is referring to method part illustration.It should be pointed out that
For those skilled in the art, on the premise of without departing from this utility model principle, can also be to this reality
Some improvement and modification are carried out with new, these improve and modification is also fallen in this utility model scope of the claims.
Claims (10)
1. a kind of Compact type broadband end-fire array antenna, it is characterised in that including single-layer double-side pcb board, the one side of the PCB sets
Be equipped with feeding network, the another side of the PCB is provided with aerial array, the feeding network include radio frequency input front end part and
Radio frequency is input into rear end part, the output of 4 output ports of radio frequency input rear end part is identical and output phase from
Upper left side starts respectively 270 °, 90 °, 180 ° and 0 ° clockwise, and the aerial array is corresponding with the output port to be set
Put.
2. Compact type broadband end-fire array antenna according to claim 1, it is characterised in that the radio frequency input front end bag
Include rf inputs mouth, the first T-shaped power splitter, the first microstrip line, the second microstrip line, first wave length changer and second wave length to become
Parallel operation；
The first port of the first T-shaped power splitter is connected with the rf inputs mouth by the first microstrip line, a T
The second port of type power splitter is connected with the second microstrip line and first wave length changer in turn, and the of the first T-shaped power splitter
Three ports are connected with second microstrip line and second wave length changer in turn；
Wherein, width of the width of first microstrip line more than the second microstrip line, the first wave length changer and described the
Two wavelength shifter parameters are identical.
3. Compact type broadband end-fire array antenna according to claim 2, it is characterised in that first microstrip line is 50
Ω, second microstrip line are 100 Ω.
4. Compact type broadband end-fire array antenna according to claim 2, it is characterised in that the first wave length changer
The quarter-wave transformer of 70.71 Ω is with the second wave length changer.
5. Compact type broadband end-fire array antenna according to claim 2, it is characterised in that the radio frequency is input into rearward end
Point include the first branch and the second branch, first branch include the 3rd microstrip line, the 4th microstrip line, the 5th microstrip line, the
Six microstrip lines, the 7th microstrip line and the second T-shaped power splitter, the 3rd wavelength shifter and the 4th wavelength shifter；
The first port of the second T-shaped power splitter is connected with the 3rd microstrip line, and the 3rd microstrip line is also with described
One wavelength shifter connects, the second port of the second T-shaped power splitter successively with the 4th microstrip line, the 3rd wavelength
Changer and the 5th microstrip line connection, the port of the 5th microstrip line is used as the output port that phase place is 270 °；
3rd port of the second T-shaped power splitter successively with the 6th microstrip line, the 4th wavelength shifter and institute
The connection of the 7th microstrip line is stated, the port of the 7th microstrip line is used as the output port that phase place is 90 °；
Second branch includes the 8th microstrip line, the 9th microstrip line, the tenth microstrip line, the 11st microstrip line, the 12nd micro-strip
Line and the 3rd T-shaped power splitter, the 5th wavelength shifter and the 6th wavelength shifter；
The first port of the 3rd T-shaped power splitter is connected with the 8th microstrip line, and the 8th microstrip line is also with described
Two wavelength shifters connect, the second port of the 3rd T-shaped power splitter successively with the 9th microstrip line, the 5th wavelength
Changer and the tenth microstrip line connection, the port of the tenth microstrip line is used as the output port that phase place is 180 °；
3rd port of the 3rd T-shaped power splitter successively with the 11st microstrip line, the 6th wavelength shifter and
The 12nd microstrip line connection, the port of the 12nd microstrip line is used as the output port that phase place is 0 °；
Wherein, the 3rd microstrip line, the 5th microstrip line, the 7th microstrip line, the 8th microstrip line, the described tenth
Microstrip line, the 12nd microstrip line are identical with the width of first microstrip line；It is 4th microstrip line, the described 6th micro-
Band, the 9th microstrip line, the 11st microstrip line are identical with the width of second microstrip line, the 6th microstrip line
Length increases λ than the length of the 4th microstrip lineg/ 2, the length of the 9th microstrip line is longer than the 11st microstrip line
Degree increases λg/ 2, λgIt is guide wavelength, the length of the length of the 3rd microstrip line less than the 8th microstrip line, the described 3rd
Wavelength shifter, the 4th wavelength shifter, the 5th wavelength shifter, the 6th wavelength shifter and described first
Wavelength shifter is identical with the parameter of the second wave length changer.
6. the Compact type broadband end-fire array antenna according to claim 1-5 any one, it is characterised in that the antenna
Array includes 4 symmetrically arranged antenna array units, is 270 ° of output port, the output that phase place is 90 ° respectively with phase place
Port, phase place be 180 ° output port, the output port that phase place is 0 ° be correspondingly arranged, the antenna array unit for it is embedded just
Q-RING crack structure, the embedded square loop crack structure are to center convergence and centrosymmetric 4 GeTXing branches.
7. Compact type broadband end-fire array antenna according to claim 6, it is characterised in that the antenna array unit
The length of side of square outer shroud is 8mm, and the spacing of square outer shroud and internal ring is 1.1mm, the length of the cross bar of the T-shaped branch and
Width is respectively 2.9mm and 0.8mm, and the length and width of the montant of the T-shaped branch is respectively 0.78mm and 1.01mm.
8. Compact type broadband end-fire array antenna according to claim 1, it is characterised in that the aerial array is in level
It is square on direction, length and width is respectively 36.26mm, aerial array height in vertical direction is 1mm.
9. Compact type broadband end-fire array antenna according to claim 1, it is characterised in that the pcb board is rectangle, institute
4 angles for stating pcb board are provided with installing hole.
10. Compact type broadband end-fire array antenna according to claim 1, it is characterised in that the thickness of the pcb board is
1mm, the thickness of double face copper are 35 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089035.8U CN206040984U (en) | 2016-09-28 | 2016-09-28 | Compact broadband end -fire array antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089035.8U CN206040984U (en) | 2016-09-28 | 2016-09-28 | Compact broadband end -fire array antenna |
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| CN206040984U true CN206040984U (en) | 2017-03-22 |
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|---|---|---|---|
| CN201621089035.8U Expired - Fee Related CN206040984U (en) | 2016-09-28 | 2016-09-28 | Compact broadband end -fire array antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252902A (en) * | 2016-09-28 | 2016-12-21 | 广东工业大学 | A kind of Compact type broadband end-fired array array antenna |
| CN111670545A (en) * | 2018-01-31 | 2020-09-15 | 华为技术有限公司 | Communication device |
| CN112688051A (en) * | 2020-12-16 | 2021-04-20 | 深圳市鸿陆技术有限公司 | RFID antenna and RFID reader |
-
2016
- 2016-09-28 CN CN201621089035.8U patent/CN206040984U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252902A (en) * | 2016-09-28 | 2016-12-21 | 广东工业大学 | A kind of Compact type broadband end-fired array array antenna |
| CN106252902B (en) * | 2016-09-28 | 2023-03-24 | 广东工业大学 | Compact broadband end-fire array antenna |
| CN111670545A (en) * | 2018-01-31 | 2020-09-15 | 华为技术有限公司 | Communication device |
| US11336326B2 (en) | 2018-01-31 | 2022-05-17 | Huawei Technologies Co., Ltd. | Communication method and apparatus with reduced power consumption in a multi-antenna environment |
| CN112688051A (en) * | 2020-12-16 | 2021-04-20 | 深圳市鸿陆技术有限公司 | RFID antenna and RFID reader |
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Granted publication date: 20170322 Termination date: 20180928 |