CN105119039B - Wall aerial - Google Patents
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- CN105119039B CN105119039B CN201510575568.0A CN201510575568A CN105119039B CN 105119039 B CN105119039 B CN 105119039B CN 201510575568 A CN201510575568 A CN 201510575568A CN 105119039 B CN105119039 B CN 105119039B
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Abstract
The invention discloses a kind of wall aerials, comprising: reflecting plate；High frequency oscillator, high frequency oscillator are located at the top of reflecting plate and are spaced apart with reflecting plate, and high frequency oscillator can rotate by a certain angle in the horizontal direction；Low-frequency vibrator, low-frequency vibrator are located at the top of reflecting plate and are spaced apart with reflecting plate, and low-frequency vibrator is located at high frequency oscillator side and far from high frequency oscillator；And feed system, comprising: feedback plate, feedback plate are located at the lower section of low-frequency vibrator；Feeding network, feeding network are located on the upper surface of reflecting plate, and including at least having the feed line there are two tie point, a tie point of feed line is connected with feedback plate；At least three coaxial cables, every coaxial cable are connected with one or two of high frequency oscillator, low-frequency vibrator, feeding network, combiner respectively.Wall aerial according to an embodiment of the present invention has many advantages, such as functional, small in size, stable structure, can meet a variety of polarization modes.
Description
Technical field
The present invention relates to the communications fields, in particular to wall aerial.
Background technique
Existing wall aerial cannot meet different polarization mode (such as monopoles of 3G and 4G-LTE indoor distribution antenna simultaneously
Change, dual polarization, three polarization) application requirement, and that there are intermodulation is unstable, beam angle is limited, antenna volume is big, at high cost
Defect.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
The wall aerial for having many advantages, such as functional, small in size, stable structure, a variety of polarization modes being met a kind of out.
Wall aerial according to an embodiment of the present invention includes: reflecting plate；High frequency oscillator, high frequency oscillator are located at the upper of reflecting plate
It is spaced apart just and with reflecting plate, high frequency oscillator can rotate by a certain angle in the horizontal direction；Low-frequency vibrator, low-frequency vibrator are located at reflection
It the top of plate and is spaced apart with reflecting plate, low-frequency vibrator is located at high frequency oscillator side and far from high frequency oscillator；And feed system,
It include: feedback plate, feedback plate is located at the lower section of low-frequency vibrator；Feeding network, feeding network are located on the upper surface of reflecting plate, including extremely
There are two the feed line of tie point, a tie points of feed line to be connected with feedback plate for few tool；At least three coaxial cables, every
Coaxial cable is connected with one or two of high frequency oscillator, low-frequency vibrator, feeding network, combiner respectively.
Wall aerial according to an embodiment of the present invention, which passes through, is arranged rotatable high frequency oscillator, meanwhile, it is coaxial by connecting
Cable, which obtains corresponding antenna input port, can cover 698- so that wall aerial be made to realize different the Research of Antenna Polarization
960MHz and 1710-2690MHz frequency range, while meeting the mesh that 3G and 4G-LTE indoor distribution antenna shares reflecting plate and oscillator
's.Moreover, each antenna element is by using electromagnetic coupling mode, to reduce the generation of wall aerial passive intermodulation.
In addition, wall aerial according to an embodiment of the present invention has alignment features, high-isolation (entire in entire frequency range
(cross polarization ratio is greater than 10dB within the scope of ± 60 °) good greater than 25dB), cross polarization, high gain, directional diagram consistency in frequency range
The advantages that good, small in size, stable structure.
Therefore, be difficult to realize a variety of polarization simultaneously different from the prior art, and each component directly weld or rivet cause mutually
To adjust unstable, a variety of polarization modes can be achieved at the same time, using the mode of being of coupled connections in wall aerial according to an embodiment of the present invention, from
And all band requirements of 3G and 4G-LTE indoor distribution antenna can be met simultaneously, have have a wide range of application, that intermodulation is stable is excellent
Point.
Moreover, wall aerial according to an embodiment of the present invention has, alignment features, high-isolation, cross polarization are good, gain
High, the advantages that directional diagram consistency is good, small in size, stable structure.
In addition, wall aerial according to the above embodiment of the present invention can also have the following additional technical features:
According to one embodiment of present invention, combiner is located on the upper surface of reflecting plate, combiner include microstrip line and
At least three short-circuit minor matters, short-circuit minor matters are connected with microstrip line.
A miniaturization combiner of wall aerial design of the present invention, compared with prior art, using the four of microstrip line parallel connection
The open circuit minor matters of/mono- wavelength can be equivalent to the principle of short-circuit minor matters, and original open circuit minor matters are transformed to short-circuit minor matters,
The size of combiner is considerably reduced, can be widely applied in indoor distributed system and base station antenna system.
According to one embodiment of present invention, coaxial cable has an input port and coaxial cable includes: first same
Axis cable, the second coaxial cable and third coaxial cable, the both ends of the first coaxial cable are separately connected the one of the feeding network
One short-circuit minor matters of a tie point and the combiner；One end of second coaxial cable connect the combiner another is short
Road minor matters；The both ends of third coaxial cable be separately connected the combiner third short circuit minor matters and the high frequency oscillator；Or
Axis cable tool is there are two input port and coaxial cable includes: that the first coaxial cable, the second coaxial cable, third are same
Axis cable and the 4th coaxial cable, the both ends of the first coaxial cable are separately connected a tie point of the feeding network and described
The short-circuit minor matters of one of combiner；One end of second coaxial cable connects another short-circuit minor matters of the combiner；Third is same
The both ends of axis cable be separately connected the combiner third short circuit minor matters and the high frequency oscillator；One end of 4th coaxial cable
Connect the high frequency oscillator；Or
Axis cable tool is there are three input port and coaxial cable includes: the first coaxial cable, the second coaxial cable and third
Coaxial cable, one end of the first coaxial cable connect a tie point of the feeding network；One end of second coaxial cable connects
Connect the high frequency oscillator；One end of third coaxial cable connects the high frequency oscillator.
By the way that input port quantity is arranged, while cooperating the change in location of high frequency oscillator, a variety of polarization sides can be achieved at the same time
Formula meets in the room 3G and 4G-LTE and divides to meet the purpose that 3G and 4G-LTE indoor distribution antenna shares reflecting plate and oscillator
The application requirement of cloth antenna, has expanded antenna application scope.
According to one embodiment of present invention, wall aerial further includes first medium plate, and high frequency oscillator is located at first medium
In plate surface；Second medium plate, feeding network are located on second medium plate upper surface；Third dielectric-slab, combiner are located at third
On dielectric-slab upper surface.
According to one embodiment of present invention, high frequency oscillator is the sheet metal being located on first medium plate or is formed in first
Metal layer on dielectric-slab；Feeding network is the sheet metal being located on second medium plate or the metal that is formed on second medium plate
Layer；Combiner is the sheet metal being located on third dielectric-slab or the metal layer that is formed on third dielectric-slab.
According to one embodiment of present invention, wall aerial further comprises: the first lower bracket being located above reflecting plate
With the second lower bracket, the first lower bracket includes pedestal and the bracket that is located on pedestal, and high frequency oscillator is supported on the first lower bracket,
Low-frequency vibrator is supported on the second lower bracket.
According to one embodiment of present invention, the first lower bracket can rotate by a certain angle in the horizontal direction.
According to one embodiment of present invention, wall aerial further comprises: being located on first above high frequency oscillator and props up
Frame and the second upper bracket being located above low-frequency vibrator.
According to one embodiment of present invention, wall aerial further comprises: the first coupling piece and the second coupling piece, first
Coupling piece is supported on the first upper bracket, and the second coupling piece is supported on the second upper bracket.
According to one embodiment of present invention, wall aerial further comprises:
Three first baffles, three first baffles are located on reflecting plate in parallel with each other, and each first baffle is along reflection
Plate longitudinally extends, and three first baffles are spaced apart two-by-two by high frequency oscillator and low-frequency vibrator；With
Two second baffles, two second baffles are located on reflecting plate in parallel with each other, and each second baffle is along reflection
Plate is laterally extended, and two second baffles are spaced apart by the low-frequency vibrator.
By adding first baffle, second baffle, antenna gain, beam angle, cross polarization etc. can be adjusted, mentioned
High antenna performance.
According to one embodiment of present invention, at least part of the outer peripheral edge of low-frequency vibrator is connected to the branch extended downwardly
Section.
By the way that minor matters are arranged, antenna can be broadened in low-frequency range level in the case where not increasing low-frequency vibrator transverse width
The beam angle in face broadens low frequency bandwidth.
According to one embodiment of present invention, feedback plate is of coupled connections with low-frequency vibrator.
By way of couple feed, there is more stable day compared to using the directly antenna of welding or riveting method
Line intermodulation index.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wall aerial according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of wall aerial according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of wall aerial according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of wall aerial according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of wall aerial according to an embodiment of the present invention；
Fig. 6 is the combiner schematic diagram of wall aerial according to an embodiment of the present invention；
Fig. 7 is the feedback plate of wall aerial according to an embodiment of the present invention, feeding network schematic diagram.
Appended drawing reference:
Wall aerial 10；
Reflecting plate 101；
High frequency oscillator 102；
Low-frequency vibrator 103, outer peripheral edge 1031, groove 1032, minor matters 1033；
Present plate 1041, feeding network 1042, feed line 10421, tie point 10422, combiner 1043, microstrip line 10431,
Short-circuit minor matters 10432, coaxial cable 1044, the first coaxial cable 10441, the second coaxial cable 10442, third coaxial cable
10443, the 4th coaxial cable 10444；
First medium plate 1051, second medium plate 1052, third dielectric-slab 1053；
First lower bracket 1061, the second lower bracket 1062, the first upper bracket 1063, the second upper bracket 1064；
First baffle 1071, second baffle 1072；
First coupling piece 1081, the second coupling piece 1082.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings wall aerial 10 according to an embodiment of the present invention is described.As shown in Fig. 1-Fig. 7, according to the present invention
The wall aerial 10 of embodiment includes reflecting plate 101, high frequency oscillator 102, low-frequency vibrator 103 and feedback plate 1041, feeding network
1042 and coaxial cable 1044.
High frequency oscillator 102 is located at the top of reflecting plate 101 and is spaced apart with reflecting plate 101, and high frequency oscillator 102 can be along level
Direction rotates by a certain angle.Low-frequency vibrator 103 is located at the top of reflecting plate 101 and is spaced apart with reflecting plate 101, low-frequency vibrator
103 are located at 102 side of high frequency oscillator and separate high frequency oscillator 102, i.e., are spaced and are arranged with high frequency oscillator 102.
Feed system includes feedback plate 1041, feeding network 1042 and coaxial cable 1044, and feedback plate 1041 is located at low-frequency vibrator
103 lower section, feeding network 1042 are located on the upper surface of reflecting plate 101, and feeding network 1042 includes that at least there are two connect tool
The feed line 10421 of contact 10422, in some embodiments of the invention, tie point 10422 can be two, but be not limited to
This.It is shown in Figure 7, the tool of feed line 10421 there are two tie point 10422, a tie point 10422 of feed line 10421 with
Present plate 1041 be connected, three coaxial cables 1044 respectively with high frequency oscillator 102, low-frequency vibrator 103, feeding network 1042, combining
One or two of device 1043 is connected.
Wall aerial 10 according to an embodiment of the present invention, which passes through, is arranged rotatable high frequency oscillator 102, meanwhile, pass through connection
Coaxial cable 1044 obtains corresponding antenna input port, so that wall aerial 10 is made to realize different the Research of Antenna Polarization, it can
698-960MHz and 1710-2690MHz frequency range is covered, while meeting 3G and 4G-LTE indoor distribution antenna and sharing reflecting plate 101
With the purpose of oscillator.Moreover, each antenna element is by using electromagnetic coupling mode, to reduce 10 passive intermodulation of wall aerial
Generation.
In addition, wall aerial 10 according to an embodiment of the present invention has alignment features, high-isolation (whole in entire frequency range
(cross polarization ratio is greater than 10dB within the scope of ± 60 °) good greater than 25dB), cross polarization, high gain, directional diagram are consistent in a frequency range
The advantages that property is good, small in size, stable structure.
Therefore, be difficult to realize a variety of polarization simultaneously different from the prior art, and each component directly weld or rivet cause mutually
To adjust unstable, a variety of polarization modes can be achieved at the same time, using the mode of being of coupled connections in wall aerial 10 according to an embodiment of the present invention,
So as to meet all band requirements of 3G and 4G-LTE indoor distribution antenna simultaneously, have have a wide range of application, intermodulation it is stable
Advantage.
Moreover, wall aerial 10 according to an embodiment of the present invention has, alignment features, high-isolation, cross polarization is good, increases
Beneficial high, the advantages that directional diagram consistency is good, small in size, stable structure.
As shown in Fig. 1-Fig. 7, according to some embodiments of the present invention, wall aerial 10 includes reflecting plate 101, high frequency oscillator
102, low-frequency vibrator 103, feedback plate 1041, feeding network 1042, combiner 1043, coaxial cable 1044, first medium plate 1051,
Second medium plate 1052, third dielectric-slab 1053, the first lower bracket 1061, the second lower bracket 1062, the first upper bracket 1063,
Two upper brackets 1064, first baffle 1071, second baffle 1072, the first coupling piece 1081, the second coupling piece 1082.
Reflecting plate 101 can be metal structure, i.e. reflecting plate 101 can be made of metal.As Figure 1-Figure 5, it reflects
Plate 101 is planar structure, and reflecting plate 101 also can have curved surface.Reflecting plate 101 can be rectangular, regular polygon or not
The polygon of rule.
The outer peripheral edge of first medium plate 1051 can be regular polygon or irregular polygon.As Figure 1-Figure 5, exist
In one embodiment of the present of invention, first medium plate 1051 is circle, and high frequency oscillator 102 is located at the surface of first medium plate 1051
On, that is to say, that the surface of first medium plate 1051 is connected with high frequency oscillator 102.Advantageously, high frequency oscillator 102 is to be located at the
Sheet metal on one dielectric-slab 1051 or the metal layer being formed on first medium plate 1051 pass through setting first medium plate
1051, so as to it is more convenient, be firmly installed high frequency oscillator 102.
As Figure 1-Figure 5, the first lower bracket 1061 is located at 101 top of reflecting plate, and the first lower bracket 1061 can be metal
Structure, in some embodiments, the first lower bracket 1061 may include that (bracket can be vertical for pedestal and the bracket that is located on pedestal
Column structure).High frequency oscillator 102 supports and is connected to 1061 top of the first lower bracket.That is, the first lower bracket 1061
In the lower section of high frequency oscillator 102, high frequency oscillator 102 and reflecting plate 101 are spaced apart by the first lower bracket 1061.Advantageously, first
Lower bracket 1061 and on-fixed are located on reflecting plate 101, but can certain angle clockwise or counterclockwise in the horizontal direction,
In other words, the first lower bracket 1061 and reflecting plate 101 rotation is connected, i.e. 1061 relative reflection plate 101 of the first lower bracket can be into
Row rotation.As shown in Figures 2 and 3, the first lower bracket 1061 shown in Fig. 3 compares the first lower bracket 1061 shown in Figure 2
45 degree are rotated clockwise in the horizontal direction, since the first lower bracket 1061 supports and connects high frequency oscillator 102, high frequency vibrating
Son 102 is rotated with the first lower bracket 1061 according to the same direction, equal angular.
High frequency oscillator 102 can be planar metallic structure or nonplanar metallic structure, and the outer peripheral edge of high frequency oscillator 102 can be with
It is regular polygon or irregular polygon.High frequency oscillator 102 may be provided on the surface of dielectric-slab.As Figure 1-Figure 5, at this
In one embodiment of invention, high frequency oscillator 102 is located on first medium plate 1051, and is supported and be connected to the first lower bracket
1061 tops, that is to say, that the first lower bracket 1061 is located at the lower section of high frequency oscillator 102 and first medium plate 1051, by high frequency
Oscillator 102, first medium plate 1051 are spaced apart with reflecting plate 101.
Advantageously, high frequency oscillator 102 can certain angle clockwise or counterclockwise in the horizontal direction, such as Fig. 2 and Fig. 3
Shown, high frequency oscillator 102 shown in Fig. 3 rotates clockwise 45 compared to high frequency oscillator 102 shown in Figure 2 in the horizontal direction
Degree by rotating the position of changeable high frequency oscillator 102, while cooperating the input port of coaxial cable 1044, wall hanging can be changed
The polarization mode of antenna 10, while realizing that single polarization, dual polarization, three three kinds of polarization of polarization are adjusted, covering 698-960MHz and
1710-2690MHz frequency range, while meeting all band requirements of 3G and 4G-LTE indoor distribution antenna, expand antenna applications
Range.
As Figure 1-Figure 5, the second lower bracket 1062 is located at 101 top of reflecting plate, and the second lower bracket 1062 can be non-gold
Belong to structure, low-frequency vibrator 103 is supported on 1062 top of the second lower bracket.That is, the second lower bracket 1062 is located at low frequency vibration
Low-frequency vibrator 103 and reflecting plate 101 are spaced apart by the lower section of son 103, the second lower bracket 1062.
Low-frequency vibrator 103 can be planar metallic structure or nonplanar metallic structure, the outer peripheral edge 1031 of low-frequency vibrator 103
It can be regular polygon or irregular polygon, low-frequency vibrator 103 is located at 102 side of high frequency oscillator and far from high frequency oscillator
102.As shown in Figure 1-Figure 3, in one embodiment of the invention, low-frequency vibrator 103 is supported on 1062 top of the second lower bracket,
That is, the second lower bracket 1062 is located at the lower section of low-frequency vibrator 103, low-frequency vibrator 103 is spaced apart with reflecting plate 101.
In the example of fig. 1, low-frequency vibrator 103 is located at 102 left side of high frequency oscillator, and is not attached to high frequency oscillator 102, that is, is spaced apart.
Advantageously, as shown in Figure 1-Figure 3, in one embodiment of the invention, low-frequency vibrator 103 is " E " type metal knot
Structure, low-frequency vibrator 103 include outer peripheral edge 1031, i.e., are shaken by the edge that the metal structure shape of low-frequency vibrator 103 limits as low frequency
The outer peripheral edge 1031 of son 103.Low-frequency vibrator 103 includes two grooves 1032, left side edge of the groove 1032 from low-frequency vibrator 103
The inside for crossing low-frequency vibrator 103 extends to the right side edge of low-frequency vibrator 103, and forms one in the left side of low-frequency vibrator 103
A slot opening and a recess edge disconnected by opening, being formed by recess edge is 103 outer peripheral edge 1031 of low-frequency vibrator
A part.
Further, at least part of the outer peripheral edge 1031 of low-frequency vibrator 103 is connected to the minor matters 1033 extended downwardly.Branch
Section 1033 can be planar metallic structure or nonplanar metallic structure, and the outer peripheral edge of minor matters 1033 can be regular polygon or not
Regular polygon.As shown in fig. 4-5, in one embodiment of the invention, at two of the front and rear sides of low-frequency vibrator 103
It respectively connected the minor matters extended downwardly 1033 on transverse edge.That is, a transverse direction of 103 front side of low-frequency vibrator
Edge is connected with the part edge of a minor matters 1033, and the free end of the minor matters 1033 extends downwardly；103 rear side of low-frequency vibrator
A transverse edge be connected with the part edge of another minor matters 1033, and the free end of the minor matters 1033 extends downwardly；Branch
Section 1033 with low-frequency vibrator 103 not in one plane.By the way that minor matters 1033 are arranged, low-frequency vibrator 103 can not increased laterally
In the case where width, broadening antenna broadens low frequency bandwidth in the beam angle of low-frequency range horizontal plane.
As shown in figure 4, in one embodiment of the invention, the first upper bracket 1063 is located at 102 top of high frequency oscillator, it is
Nonmetal structure, the second upper bracket 1064 are located at 103 top of low-frequency vibrator, are nonmetal structure.
Further, it as shown in figure 4, the first coupling piece 1081 is metal, is supported on the first upper bracket 1063, the second coupling
Piece 1082 is metal, is supported on the second upper bracket 1064.That is, the first upper bracket 1063 is located at the first coupling piece 1081
Between high frequency oscillator 102, the two is spaced apart, the second upper bracket 1064 is located at the second coupling piece 1082 and low-frequency vibrator 103
Between, the two is spaced apart.By the way that the first coupling piece 1081 is arranged, the bandwidth of antenna low frequency can be improved from 8060-960MHz
The frequency range for broadening 698-960MHz can be improved antenna standing wave index, spread aerial band by the way that the second coupling piece 1082 is arranged
It is wide.
As shown in Fig. 1-Fig. 7, according to one embodiment of present invention, feed system includes feedback plate 1041, feeding network
1042, combiner 1043 and coaxial cable 1044.
Specifically, as shown in fig. 7, feeding network 1042 is located on the upper surface of reflecting plate 101, including there are two connections for tool
One tie point 10422 of the feed line 10421 of point 10422, feed line 10421 is connected with feedback 1041 part of plate.Advantageously, it presents
Electric network 1042 is located on the upper surface of second medium plate 1052, that is to say, that the surface of second medium plate 1052 and transmission network
Network 1042 is connected.Feeding network 1042 is the sheet metal being located on second medium plate 1052 or is formed on second medium plate 1052
Metal layer, by be arranged second medium plate 1052, so as to more easily, be firmly installed feeding network 1042.
As shown in fig. 7, feedback plate 1041 is metal, inverted "L" shape nonplanar structure, it is located at the lower section of low-frequency vibrator 103, is fed
One tie point 10422 of line 10421 is connected with a part of feedback 1041 lower part of plate.Advantageously, one for presenting 1041 top of plate
Divide parallel with low-frequency vibrator 103 and is of coupled connections.By using the mode of inverted "L" shape probe couple feed, compared to using direct
The antenna of welding or riveting method has more stable antenna intermodulation index.
As shown in fig. 6, in one embodiment of the invention, combiner 1043 is located on the upper surface of reflecting plate 101, packet
Microstrip line 10431 and three short-circuit minor matters 10432 are included, short-circuit minor matters 10432 are connected with microstrip line 10431 respectively, three short circuits
Minor matters 10432 respectively correspond the different port of wall aerial 10.Advantageously, combiner 1043 is located at the upper of third dielectric-slab 1053
On surface, that is to say, that the surface of third dielectric-slab 1053 is connected with combiner 1043.Combiner 1043 is to be located at third medium
Sheet metal on plate 1053 or the metal layer being formed on the third dielectric-slab 1053, by the way that third dielectric-slab 1053 is arranged,
So as to more easily, be firmly installed combiner 1043.
A miniaturization combiner 1043 that wall aerial 10 of the present invention designs, compared with prior art, using microstrip line
10431 quarter-wave open circuit minor matters in parallel can be equivalent to the principle of short-circuit minor matters 10432, by original open circuit branch
Section is transformed to short-circuit minor matters 10432, considerably reduces the size of combiner 1043, makes combiner 1043 from original 80*
90mm is reduced to 65*70mm, and entire area reduces 40% or so.To reduce the cost of antenna.The miniaturization combiner
1043 two frequency ranges are 698-960MhHz and 1710-2690MHz, and output port isolation is greater than 30dB, stays in whole bandwidth
For wave less than 1.15, low-frequency range loss is less than 0.3dB, and high band loss is less than 0.4dB.It can be widely applied to indoor distribution system
In system and base station antenna system.
As Figure 1-Figure 5, in one embodiment of the invention, the connection type of coaxial cable 1044 is associated with wall hanging
The input port quantity of antenna 10.Therefore, according to different application scenarios, coaxial cable 1044 can by the way of appropriate into
Row connection.
Specifically, as shown in Fig. 2, coaxial cable 1044 includes the first coaxial cable 10441, the second coaxial cable 10442
With third coaxial cable 10443, the both ends of the first coaxial cable 10441 are separately connected a tie point of feeding network 1042
10422 and one of combiner 1043 short-circuit minor matters 10432 (for example, corresponding low frequency port)；The one of second coaxial cable 10442
Another short-circuit minor matters 10432 (for example, corresponding input port) of end connection combiner 1043；Third coaxial cable 10443
Both ends are separately connected the third short circuit minor matters 10432 (for example, corresponding high frequency port) and high frequency oscillator 102 of combiner 1043.?
That is wall aerial 10 has an input port.By the way that an input port is arranged, while cooperating high frequency oscillator 102
Position can make wall aerial 10 realize single port single polarization (vertical polarization), cover frequency range full frequency band 698-960MHz and 1710-
2690MHz。
As shown in figure 3, high frequency oscillator 102 shown in Fig. 3 is in the horizontal direction compared to high frequency oscillator 102 shown in Figure 2
45 degree are rotated clockwise, makes high frequency oscillator 102 in ± 45 degree of polarization, i.e. ,+45 degree polarization and -45 degree polarization.At this point, coaxial cable
1044 include the first coaxial cable 10441, the second coaxial cable 10442, third coaxial cable 10443 and the 4th coaxial cable
10444, the both ends of the first coaxial cable 10441 are separately connected a tie point 10422 and combiner for feeding network 1042
The short-circuit minor matters 10432 (for example, corresponding low frequency port) of one of 1043；One end of second coaxial cable 10442 connects combiner
1043 another short-circuit minor matters 10432 (for example, corresponding input port)；The both ends of third coaxial cable 10443 are separately connected
The third short circuit minor matters 10432 (for example, corresponding high frequency port) and high frequency oscillator 102 of combiner 1043；4th coaxial cable
10444 one end connection high frequency oscillator 102 (for example, corresponding input port).That is, there are two inputs for the tool of wall aerial 10
Port, one of port connect low frequency vertical polarization and+45 ° of high frequency polarization, another port connects -45 ° of high frequency polarization.Pass through
Two input ports are set, while cooperating the postrotational position of high frequency oscillator 102, wall aerial 10 can be made to realize that dual-port is bipolar
Change, covers frequency range: vertical polarization (698-960MHz) and ± 45 ° of polarization (1710-2690MHz).
As shown in Figure 1, high frequency oscillator 102 shown in Fig. 1 is in the horizontal direction compared to high frequency oscillator 102 shown in Figure 2
45 degree are rotated clockwise, makes high frequency oscillator 102 in ± 45 degree of polarization, i.e. ,+45 degree polarization and -45 degree polarization.At this point, coaxial cable
1044 include the first coaxial cable 10441, the second coaxial cable 10442, third coaxial cable 10443, the first coaxial cable
A tie point 10422 (for example, corresponding input port) for 10441 one end connection feeding network 1042；Second coaxial cable
10442 one end connection high frequency oscillator 102 (for example, corresponding input port)；One end of third coaxial cable 10443 connects high frequency
Oscillator 102 (for example, corresponding input port).That is, one of port connects low frequency vertical polarization, other two port point
High frequency ± 45 ° polarization is not connect.By the way that three input ports are arranged, while cooperating the postrotational position of high frequency oscillator 102, wall can be made
It hangs antenna 10 and realizes the polarization of three ports three, cover frequency range: vertical polarization (698-960MHz) and ± 45 ° of polarization (1710-
2690MHz)。
By the way that input port quantity is arranged, while cooperating the postrotational position of high frequency oscillator 102, it can be achieved that a variety of polarization sides
Formula meets in the room 3G and 4G-LTE to meet the purpose that 3G and 4G-LTE indoor distribution antenna shares reflecting plate 101 and oscillator
The application requirement of distribution antenna, has expanded antenna application scope.
As Figure 1-Figure 5, in one embodiment of the invention, first baffle 1071 can be planar metallic structure or
The outer peripheral edge 1031 of nonplanar metallic structure, first baffle 1071 can be regular polygon or irregular polygon.Such as Fig. 1-
Shown in Fig. 3, Fig. 5, three first baffles 1071 are located at 101 top of reflecting plate in parallel with each other, that is to say, that each first baffle
1071 a part is connected with the upper surface of reflecting plate 101.Each first baffle 1071 extends along reflecting plate 101 is longitudinal, and three
A first baffle 1071 is spaced apart two-by-two by high frequency oscillator 102 and low-frequency vibrator 103, referring for example to illustrated embodiment, left side
Low-frequency vibrator 103, intermediate first baffle 1071 and right side are set between first baffle 1071 and the first baffle 1071 of centre
First baffle 1071 between be arranged high frequency oscillator 102.
In further embodiments, as shown in figure 4, being additionally provided with second baffle 1072, second baffle on reflecting plate 101
1072 can be planar metallic structure or nonplanar metallic structure, and the outer peripheral edge of the second plate can be regular polygon or irregular
Polygon.As shown in figure 4, two second baffles 1072 are located at 101 top of reflecting plate in parallel with each other, that is to say, that Mei Ge
A part of two baffles 1072 is connected with the upper surface of reflecting plate 101.Each second baffle 1072 laterally prolongs along reflecting plate 101
It stretches, two second baffles 1072 are spaced apart by low-frequency vibrator 103.
Advantageously, second baffle 1072 is " fence type " baffle, and second baffle 1072 can be integral piece, i.e. second baffle
1072 include multiple sheet metals, and multiple metal sheet portions are connected to form an entirety, have between two adjacent sheet metals recessed
Slot.Certainly, in further embodiments, second baffle 1072 can be non-integral part, as shown in figure 4, i.e. second baffle 1072
Including multiple independent metal pieces, each sheet metal is individually located at 101 top of reflecting plate, and each sheet metal is lateral along reflecting plate 101
It is arranged successively, two adjacent sheet metals are not attached to.By adjusting the height of second baffle 1072, position and each " fence "
Between spacing, effectively can further adjust antenna in the horizontal plane beam angle of low-frequency range.
By adding first baffle 1071, second baffle 1072, can to antenna gain, beam angle, cross polarization etc. into
Row is adjusted, and improves antenna performance.
It should be noted that " connection " of the present invention, " connected " can be and be directly connected to, it is also possible to be of coupled connections
Or other connection types.The all parts of wall aerial 10 can be attached using connection type appropriate.Meanwhile coupling surface
Long-pending size can be determined and adjust according to the performance requirement of vertical wall aerial 10, in order to enable wall aerial 10
There is sufficiently large capacitance (coupled capacitor) in the case where requiring frequency.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of wall aerial characterized by comprising
Reflecting plate；
High frequency oscillator, the high frequency oscillator are located at the top of the reflecting plate and are spaced apart with the reflecting plate, the high frequency vibrating
Son can rotate by a certain angle in the horizontal direction；
Low-frequency vibrator, the low-frequency vibrator are located at the top of the reflecting plate and are spaced apart with the reflecting plate, the low frequency vibration
Son is located at high frequency oscillator side and far from the high frequency oscillator；And
Feed system, the feed system include:
Plate is presented, the feedback plate is located at the lower section of the low-frequency vibrator and connect with the low-frequency vibrator；
Feeding network, the feeding network are located on the upper surface of the reflecting plate, and the feeding network includes at least having two
The feed line of a tie point, a tie point of the feed line are connected with the feedback plate；
Combiner, the combiner are located on the upper surface of the reflecting plate；With
At least three coaxial cables, the every coaxial cable respectively with one in high frequency oscillator, feeding network, combiner or
Two are connected.
2. wall aerial according to claim 1, which is characterized in that the combiner is located at the upper surface of the reflecting plate
On, the combiner includes microstrip line and at least three short-circuit minor matters, and the short circuit minor matters are connected with the microstrip line.
3. wall aerial according to claim 2, it is characterised in that:
The coaxial cable has an input port and the coaxial cable includes: the first coaxial cable, the second coaxial cable
With third coaxial cable, the both ends of first coaxial cable be separately connected the feeding network a tie point and the conjunction
The short-circuit minor matters of one of road device；One end of second coaxial cable connects another short-circuit minor matters of the combiner；It is described
The both ends of third coaxial cable be separately connected the combiner third short circuit minor matters and the high frequency oscillator；Or
Coaxial cable tool there are two input port and the coaxial cable include: the first coaxial cable, the second coaxial cable,
Third coaxial cable and the 4th coaxial cable, the both ends of first coaxial cable are separately connected a company of the feeding network
One short-circuit minor matters of contact and the combiner；One end of second coaxial cable connect the combiner another is short
Road minor matters；The both ends of the third coaxial cable be separately connected the combiner third short circuit minor matters and the high frequency oscillator；
One end of 4th coaxial cable connects the high frequency oscillator；Or
It is described that coaxial cable tool is there are three input port and the coaxial cable includes: the first coaxial cable, the second coaxial cable
With third coaxial cable, one end of first coaxial cable connects a tie point of the feeding network；Described second is same
One end of axis cable connects the high frequency oscillator；One end of the third coaxial cable connects the high frequency oscillator.
4. wall aerial according to claim 2, which is characterized in that further comprise:
First medium plate, the high frequency oscillator are located in the first medium plate surface；
Second medium plate, the feeding network are located on second medium plate upper surface；
Third dielectric-slab, the combiner are located on third dielectric-slab upper surface.
5. wall aerial according to claim 4, which is characterized in that the high frequency oscillator is to be located at the first medium plate
On sheet metal or the metal layer that is formed on the first medium plate；The feeding network is to be located on the second medium plate
Sheet metal or the metal layer that is formed on the second medium plate；The combiner is the gold being located on the third dielectric-slab
The metal layer for belonging to piece or being formed on the third dielectric-slab.
6. wall aerial according to claim 1-5, which is characterized in that further comprise: being located at the reflection
The first lower bracket and the second lower bracket above plate, first lower bracket include pedestal and set bracket on the base,
The high frequency oscillator is supported and is connected to above first lower bracket, and the low-frequency vibrator is supported on second lower bracket
Side.
7. wall aerial according to claim 6, which is characterized in that first lower bracket can rotate one in the horizontal direction
Determine angle.
8. wall aerial according to claim 6, which is characterized in that further comprise: being located above the high frequency oscillator
The first upper bracket and the second upper bracket for being located above low-frequency vibrator.
9. wall aerial according to claim 8, which is characterized in that further comprise: the first coupling piece and the second coupling
Piece, first coupling piece are supported on first upper bracket, and second coupling piece is supported on second upper bracket.
10. wall aerial according to claim 1, which is characterized in that further comprise:
Three first baffles, three first baffles are located in parallel with each other on the reflecting plate, each first baffle
Longitudinally extend along the reflecting plate, three first baffles are spaced apart two-by-two by the high frequency oscillator and low-frequency vibrator；With
Two second baffles, two second baffles are located in parallel with each other on the reflecting plate, each second baffle
It is laterally extended along the reflecting plate, two second baffles are spaced apart by the low-frequency vibrator.
11. wall aerial according to claim 1, which is characterized in that at least one of the outer peripheral edge of the low-frequency vibrator
Divide the minor matters for being connected to extend downwardly.
12. wall aerial according to claim 11, which is characterized in that the feedback plate couples company with the low-frequency vibrator
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575568.0A CN105119039B (en) | 2015-09-10 | 2015-09-10 | Wall aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510575568.0A CN105119039B (en) | 2015-09-10 | 2015-09-10 | Wall aerial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119039A CN105119039A (en) | 2015-12-02 |
| CN105119039B true CN105119039B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510575568.0A Active CN105119039B (en) | 2015-09-10 | 2015-09-10 | Wall aerial |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112581A (en) * | 2019-05-13 | 2019-08-09 | 佛山市盛夫通信设备有限公司 | A kind of miniaturization single polarization wall aerial |
| CN116417786A (en) * | 2023-03-31 | 2023-07-11 | 佛山市迪安通讯设备有限公司 | Indoor distributed dual-polarized directional wall-mounted antenna with mobile broadband |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203367492U (en) * | 2013-08-20 | 2013-12-25 | 东莞积信制造有限公司 | Indoor directional antenna |
| CN203942016U (en) * | 2014-05-27 | 2014-11-12 | 佛山市安捷信通讯设备有限公司 | The directed wall aerial of wideband and the directed wall aerial of multiband dual polarization |
| CN104577320A (en) * | 2015-01-20 | 2015-04-29 | 佛山市安捷信通讯设备有限公司 | Low-profile multi-frequency-band double-port directional antenna |
| CN204407509U (en) * | 2014-12-18 | 2015-06-17 | 佛山市粤海信通讯有限公司 | A kind of Novel wall hanger antenna |
-
2015
- 2015-09-10 CN CN201510575568.0A patent/CN105119039B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203367492U (en) * | 2013-08-20 | 2013-12-25 | 东莞积信制造有限公司 | Indoor directional antenna |
| CN203942016U (en) * | 2014-05-27 | 2014-11-12 | 佛山市安捷信通讯设备有限公司 | The directed wall aerial of wideband and the directed wall aerial of multiband dual polarization |
| CN204407509U (en) * | 2014-12-18 | 2015-06-17 | 佛山市粤海信通讯有限公司 | A kind of Novel wall hanger antenna |
| CN104577320A (en) * | 2015-01-20 | 2015-04-29 | 佛山市安捷信通讯设备有限公司 | Low-profile multi-frequency-band double-port directional antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105119039A (en) | 2015-12-02 |
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