CN102868017B - Radiation device and array antenna based on same - Google Patents
Radiation device and array antenna based on same Download PDFInfo
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- CN102868017B CN102868017B CN201210319758.2A CN201210319758A CN102868017B CN 102868017 B CN102868017 B CN 102868017B CN 201210319758 A CN201210319758 A CN 201210319758A CN 102868017 B CN102868017 B CN 102868017B
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Abstract
The invention discloses a radiation device and an array antenna based on the radiation device. The low-frequency radiation device comprises a first low-frequency radiation module and a second low-frequency radiation module, wherein the first low-frequency radiation module is subjected to -45-degree polarization and the second low-frequency radiation module is subjected to +45-degree polarization; the first low-frequency radiation module and the second low-frequency radiation module are symmetrically, orthogonally and fixedly connected; and open circuit branches for preventing high-frequency electromagnetic waves from being transmitted in the low-frequency radiation device are respectively arranged at one sides of the axial centers of the first low-frequency radiation module and the second low-frequency radiation module. With the adoption of the radiation device and the array antenna, the abnormal-frequency interference can be reduced and the receiving-transmitting performance of the antenna is improved.
Description
Technical field
The present invention relates to antenna of mobile communication base station technology, particularly relate to a kind of radiation appliance and the array antenna based on radiation appliance.
Background technology
Along with the propelling of new and high technology and economic benefit, communications industry is one of industry becoming largest domestic.The develop rapidly of the mobile communication in communications industry, the more and more important effect that makes it play in the daily life of user, at the beginning of 2010, China's tracking exchage amount is more than 7.36 hundred million, and the antenna for base station come into operation is secondary more than 1,000,000, and, along with the continuous increase of mobile communication business and kind, the mobile communication working frequency range of various standard is also constantly expanded thereupon, causes that the volume of antenna constantly increases, structure is increasingly sophisticated, and cost is also more and more higher.
In current mobile communication, the wireless system of the multiple types such as the second generation, the third generation, rear three generations and WLAN/WiMAX coexists, and therefore, needs the antenna in existing wireless system can compatible multiple types and miniaturized structure.
Existing wireless system, antenna mainly comprises miniaturized coaxial double frequency or multifrequency antenna, adopt common microstrip structure or half-wave radiation apparatus structure, combined by bowl-shape combination radiation device or micro-band radiation appliance and half-wave symmetry radiation appliance, consider the E face directional diagram performance (between aerial radiation device, spacing pays the utmost attention to 0.7 ~ 0.95 operation wavelength) of antenna, thus, when carrying out double frequency or multifrequency antenna array, distance between the low-and high-frequency radiation appliance of antenna is less, even may occur that the radiation arm of low-frequency radiation device blocks the situation of high frequency radiation device, make to adopt between two kinds of oscillators (low-frequency radiation device and high frequency radiation device) of common microstrip structure or half-wave radiation apparatus structure and occur stronger electromagnetic coupled, the electromagnetic wave radiate is caused to be subject to the serious interference of the opposing party's (low-frequency radiation device or high frequency radiation device), namely alien frequencies interference is produced, thus make the transmitting-receiving hydraulic performance decline of antenna.
Summary of the invention
Embodiments of the invention provide a kind of radiation appliance, reduce alien frequencies interference, promote the transmitting-receiving performance of antenna.
Embodiments of the invention provide a kind of array antenna based on radiation appliance, reduce alien frequencies interference, promote the transmitting-receiving performance of antenna.
For achieving the above object, a kind of low-frequency radiation device that the embodiment of the present invention provides, comprising: the first low-frequency radiation module and the second low-frequency radiation module, wherein,
First low-frequency radiation module carries out-45 ° of polarization, second low-frequency radiation module carries out+45 ° of polarization, first low-frequency radiation module and the second low-frequency radiation module Orthogonal Symmetric are fixed together, in the axial centre side of the first low-frequency radiation module and the second low-frequency radiation module, be respectively arranged with the open circuit minor matters suppressing frequency electromagnetic waves to transmit in low-frequency radiation device.
Described first low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove button and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first low-frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove button for connecting the second low-frequency radiation module;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
Described open circuit minor matters are
shape.
Described first low-frequency radiation module comprises further:
Supporter, symmetry is installed on balance Ba Lun both sides, and one end and the second oscillator arms are connected, and the other end is connected with balance Ba Lun.
Angle between described supporter and balance Ba Lun is 45 °.
In the obverse and reverse both sides of the first low-frequency radiation module, arrange open circuit minor matters respectively, described open circuit minor matters are parallel to axial direction arrangement.
In the same side of the first low-frequency radiation module, arrange two open circuit minor matters, described two open circuit minor matters are
shape, is parallel to axial direction arrangement.
Described first low-frequency radiation module and the second low-frequency radiation module are dielectric printing oscillator, wire half-wave dipole or metal oscillator.
Described second low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the second low-frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove for connecting the first low-frequency radiation module;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
The electrical length of described open circuit minor matters is set to 0.25 high-frequency work wavelength.
A kind of high frequency radiation device, this device comprises: the first high frequency radiation module and the second high frequency radiation module, wherein,
First high frequency radiation module carries out-45 ° of polarization, second high frequency radiation module carries out+45 ° of polarization, first high frequency radiation module is orthogonal with the second high frequency radiation module symmetry to be fixed together, in the axial centre side of the first high frequency radiation module and the second high frequency radiation module, be respectively arranged with the open circuit minor matters suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device.
Described first high frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove button and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first high frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at balance Ba Lunnei, and one end, in the side at balance Ba Lun center, is connected with feeder cable, and the other end extends to the opposite side at balance Ba Lun center by the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove button for connecting the second high frequency radiation module;
In the both sides at balance Ba Lun center, be respectively arranged with open circuit minor matters, described open circuit minor matters are connected by the metallic vias being arranged on open circuit minor matters end.
In the both sides at balance Ba Lun center, every side is provided with two open circuit minor matters, and two open circuit minor matters that every side is arranged sequentially are connected.
The electrical length of described open circuit minor matters is 0.25 low frequency operation wavelength.
Based on an array antenna for high frequency radiation device, this array antenna comprises: low-frequency radiation device, high frequency radiation device and reflecting plate, wherein,
Equidistant arrangement between low-frequency radiation device, high frequency radiation device is symmetric arrays centered by each low-frequency radiation device, and low-frequency radiation device and high frequency radiation device are in axial direction arranged on reflecting plate;
Low-frequency radiation device is provided with the open circuit minor matters for suppressing frequency electromagnetic waves to transmit in low-frequency radiation device; And/or,
High frequency radiation device is provided with the open circuit minor matters for suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device.
Between described low-frequency radiation device is equidistantly 0.65 ~ 0.85 low frequency operation wavelength, and between described high frequency radiation device is equidistantly 0.65 ~ 0.95 high-frequency work wavelength.
The electrical length of the described open circuit minor matters arranged in described low-frequency radiation device is set to 0.25 high-frequency work wavelength;
The electrical length of the described open circuit minor matters arranged in described high frequency radiation device is 0.25 low frequency operation wavelength.
Described low-frequency radiation device comprises: the first low-frequency radiation module and the second low-frequency radiation module, wherein,
First low-frequency radiation module carries out-45 ° of polarization, second low-frequency radiation module carries out+45 ° of polarization, first low-frequency radiation module and the second low-frequency radiation module Orthogonal Symmetric are fixed together, in the axial centre side of the first low-frequency radiation module and the second low-frequency radiation module, be respectively arranged with the open circuit minor matters suppressing frequency electromagnetic waves to transmit in low-frequency radiation device.
Described first low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove button and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first low-frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove button for connecting the second low-frequency radiation module;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
Described first low-frequency radiation module comprises further:
Supporter, symmetry is installed on balance Ba Lun both sides, and one end and the second oscillator arms are connected, and the other end is connected with balance Ba Lun.
Described second low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the second low-frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove for connecting the first low-frequency radiation module;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
Described high frequency radiation device comprises: the first high frequency radiation module and the second high frequency radiation module, wherein,
First high frequency radiation module carries out-45 ° of polarization, second high frequency radiation module carries out+45 ° of polarization, first high frequency radiation module is orthogonal with the second high frequency radiation module symmetry to be fixed together, in the axial centre side of the first high frequency radiation module and the second high frequency radiation module, be respectively arranged with the open circuit minor matters suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device.
Described first high frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove button and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first high frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at balance Ba Lunnei, and one end, in the side at balance Ba Lun center, is connected with feeder cable, and the other end extends to the opposite side at balance Ba Lun center by the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove button for connecting the second high frequency radiation module;
In the both sides at balance Ba Lun center, be respectively arranged with open circuit minor matters, described open circuit minor matters are connected by the metallic vias being arranged on open circuit minor matters end.
As seen from the above technical solution, a kind of radiation appliance that the embodiment of the present invention provides and the array antenna based on radiation appliance, low-frequency radiation device comprises: the first low-frequency radiation module and the second low-frequency radiation module, wherein, first low-frequency radiation module carries out-45 ° of polarization, second low-frequency radiation module carries out+45 ° of polarization, first low-frequency radiation module and the second low-frequency radiation module Orthogonal Symmetric are fixed together, in the axial centre side of the first low-frequency radiation module and the second low-frequency radiation module, be respectively arranged with the open circuit minor matters suppressing frequency electromagnetic waves to transmit in low-frequency radiation device.Like this, by increasing open circuit minor matters in low-frequency radiation device, thus reduce low-frequency range to the impact of high band, suppress the transmission of frequency electromagnetic waves in low-frequency radiation device, the impact on high-frequency electrical performance characteristic that the secondary radiation in low-frequency radiation device of effective reduction frequency electromagnetic waves produces, significantly reduce alien frequencies interference, thus improve the transmitting-receiving performance of antenna.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.Apparently, the accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, can also obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
Fig. 1 is embodiment of the present invention low-frequency radiation device perspective view.
Fig. 2 is the main TV structure schematic diagram of the embodiment of the present invention first low-frequency radiation module.
Fig. 3 is the embodiment of the present invention first low-frequency radiation module backsight structural representation.
Fig. 4 is another main TV structure schematic diagram of the embodiment of the present invention first low-frequency radiation module.
Fig. 5 is the main TV structure schematic diagram of the embodiment of the present invention second low-frequency radiation module.
Fig. 6 is the embodiment of the present invention second low-frequency radiation module backsight structural representation.
Fig. 7 is embodiment of the present invention high frequency radiation device perspective view.
Fig. 8 is the main TV structure schematic diagram of the embodiment of the present invention first high frequency radiation module.
Fig. 9 is the embodiment of the present invention first high frequency radiation module backsight structural representation.
Figure 10 is another main TV structure schematic diagram of the embodiment of the present invention first high frequency radiation module.
Figure 11 is the array antenna perspective view of the embodiment of the present invention based on radiation appliance.
Figure 12 is the array antenna main TV structure schematic diagram of the embodiment of the present invention based on radiation appliance.
Figure 13 is in existing array antenna, does not increase the low frequency performance schematic diagram of open circuit minor matters in high frequency radiation device.
Figure 14 be the embodiment of the present invention based in the array antenna of radiation appliance, in high frequency radiation device increase open circuit minor matters, low frequency performance schematic diagram.
Figure 15 is in existing array antenna, does not increase the high frequency performance schematic diagram of open circuit minor matters in low-frequency radiation device.
Figure 16 be the embodiment of the present invention based in the array antenna of radiation appliance, in low-frequency radiation device increase open circuit minor matters, high frequency performance schematic diagram.
Embodiment
Carry out clear, complete description below with reference to accompanying drawing to the technical scheme of various embodiments of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
Existing coaxial double frequency or multifrequency antenna, owing to adopting common microstrip structure or half-wave radiation apparatus structure, when carrying out double frequency or multifrequency antenna array, due to array antenna low-and high-frequency radiation appliance between distance less, make to occur stronger electromagnetic coupled between low-frequency radiation device and high frequency radiation device, the electromagnetic wave that severe jamming radiate, forms alien frequencies interference, makes the transmitting-receiving hydraulic performance decline of antenna.
In the embodiment of the present invention, consider in the low-frequency radiation device of antenna, increase open circuit minor matters, make the balance Ba Lun in former low-frequency radiation device can not only play balanced action to working band, chokes can also be carried out to other frequency range, thus reduce low-frequency range to the impact of high band, suppress the transmission of frequency electromagnetic waves in low-frequency radiation device, effectively reduce the impact on high-frequency electrical performance characteristic that frequency electromagnetic waves secondary radiation in low-frequency radiation device produces, promote the isolation of antenna high band.Or, open circuit minor matters are increased in the high frequency radiation device of antenna, thus reduce high band to the impact of low-frequency range, suppress the transmission of low-frequency electromagnetic wave in high frequency radiation device, the impact on low frequency electrical performance characteristics that the secondary radiation in high frequency radiation device of effective reduction low-frequency electromagnetic wave produces, promotes the isolation of antenna low-frequency range.Certainly, in practical application, also can increase open circuit minor matters respectively in the low-frequency radiation device of antenna and high frequency radiation device, disturb mutually in order to the electromagnetism effectively reduced between alien frequencies, improve the electrical performance indexes of radiation appliance and array antenna entirety.
About the workflow that array antenna is detailed, specifically see relate art literature, can not repeat them here.
Fig. 1 is embodiment of the present invention low-frequency radiation device perspective view.See Fig. 1, this low-frequency radiation device comprises: the first low-frequency radiation module 15 and the second low-frequency radiation module 16, wherein,
First low-frequency radiation module 15 carries out-45 ° of polarization, second low-frequency radiation module 16 carries out+45 ° of polarization, first low-frequency radiation module 15 and the second low-frequency radiation module 16 Orthogonal Symmetric are fixed together, in the axial centre side of the first low-frequency radiation module 15 and the second low-frequency radiation module 16, be respectively arranged with the open circuit minor matters suppressing frequency electromagnetic waves to transmit in low-frequency radiation device.
In the embodiment of the present invention, the first low-frequency radiation module 15 and the second low-frequency radiation module 16 both can be dielectric printing oscillators, and also can be wire half-wave dipole, can also be metal oscillator, is applicable to single-frequency, double frequency or multi-frequency array antenna.
Fig. 2 is the main TV structure schematic diagram of the embodiment of the present invention first low-frequency radiation module;
Fig. 3 is the embodiment of the present invention first low-frequency radiation module backsight structural representation.
See Fig. 2 and Fig. 3, this first low-frequency radiation module comprises: the first oscillator arms (radiation arm) 4, second oscillator arms 5, metallic vias 7, coupling circuit 8, open circuit minor matters 9, draw-in groove button 12 and balance Ba Lun 13, wherein,
When first low-frequency radiation module is installed, the direction that stands up is axial direction, and the direction that the first oscillator arms extends is horizontal direction, and the direction extended perpendicular to the first oscillator arms is longitudinal (main look, backsight) direction;
Balance Ba Lun 13 in axial direction supports the first low-frequency radiation module, first oscillator arms 4 and the second oscillator arms 5 are connected, symmetry is positioned at balance Ba Lun 13 top, wherein, first oscillator arms 4 is parallel to horizontal direction, second oscillator arms 5 downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms 4 and the second oscillator arms 5;
Coupling circuit 8 is arranged at the side in balance Ba Lun 13, one end is connected with feeder cable, in order to pass through electromagnetic coupled mode, feed is carried out to the first low-frequency radiation module, the other end extends in the first oscillator arms 4, be connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias 7 be arranged in the first oscillator arms 4, namely the coupling circuit of the first low-frequency radiation module front and back is connected by the metallic vias 7 that the first oscillator arms 4 is offered;
At the axial direction at balance Ba Lun 13 center, be provided with the draw-in groove button 12 for connecting the second low-frequency radiation module;
Opposite side in the balance Ba Lun 13 having coupling circuit 8, is provided with open circuit minor matters 9.
In the embodiment of the present invention, for the position of described open circuit minor matters 9 in balance Ba Lun 13, be not specifically limited.
Preferably, minor matters 9 of opening a way are
shape.
In the embodiment of the present invention, coupling circuit 8 also can be arranged on the first low-frequency radiation module the same face, without the need to being connected by metallic vias 7, adopts electromagnetic coupled mode to carry out feed to the first low-frequency radiation module; Certainly, the end of coupling circuit 8 also can directly be connected with radiant body, thus carries out direct feed to the first low-frequency radiation module.
In practical application, this first low-frequency radiation module can further include:
Supporter 10, symmetry is installed on balance Ba Lun 13 both sides, and one end and the second oscillator arms 5 are connected, and the other end is connected with balance Ba Lun 13.
Preferably, the angle between supporter 10 and balance Ba Lun 13 is about 45 °, for increasing balance and the mechanical strength of the first low-frequency radiation device 1.
Fig. 4 is another main TV structure schematic diagram of the embodiment of the present invention first low-frequency radiation module.From figure different 2, in the same side of the first low-frequency radiation module, be provided with two open circuit minor matters, minor matters of namely opening a way 9 and the second open circuit minor matters 9 ', open circuit minor matters 9 and the second open circuit minor matters 9 ' are
shape, be parallel to axial direction arrangement, make a certain open circuit minor matters can suppress the electromagnetic wave of corresponding band, such as, open circuit minor matters 9 are mainly used in suppressing the transmission of frequency electromagnetic waves in the first low-frequency radiation module, the impact on high-frequency electrical performance characteristic that the secondary radiation in the first low-frequency radiation module of effective reduction frequency electromagnetic waves produces, namely effectively the electromagnetism reduced between alien frequencies is disturbed mutually, thus greatly improve the isolation between antennas of high band, make it have superior pattern characteristics concurrently simultaneously, improve the electrical performance indexes of array antenna entirety; And employing arranges open circuit minor matters 9 and the second open circuit minor matters 9 ', inhibition can be made better, thus promote the transmitting-receiving performance of antenna.
Fig. 5 is the main TV structure schematic diagram of the embodiment of the present invention second low-frequency radiation module;
Fig. 6 is the embodiment of the present invention second low-frequency radiation module backsight structural representation.
See Fig. 5 and Fig. 6, this second low-frequency radiation module comprises: the first oscillator arms 4, second oscillator arms 5, metallic vias 7, coupling circuit 8, open circuit minor matters 9, draw-in groove 11 and balance Ba Lun 13, wherein,
Balance Ba Lun 13 in axial direction supports the second low-frequency radiation module, first oscillator arms 4 and the second oscillator arms 5 are connected, symmetry is positioned at balance Ba Lun 13 top, wherein, first oscillator arms 4 is parallel to horizontal direction, second oscillator arms 5 downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms 4 and the second oscillator arms 5;
Coupling circuit 8 is arranged at the side in balance Ba Lun 13, and one end is connected with feeder cable, and the other end extends in the first oscillator arms 4, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias 7 be arranged in the first oscillator arms 4;
At the axial direction at balance Ba Lun 13 center, be provided with the draw-in groove 11 for connecting the first low-frequency radiation module;
Opposite side in the balance Ba Lun 13 having coupling circuit 8, is provided with open circuit minor matters 9.
In the embodiment of the present invention, for the position of described open circuit minor matters 9 in balance Ba Lun 13, be not specifically limited.
Preferably, minor matters 9 of opening a way are
shape.
Preferably, the electrical length of open circuit minor matters 9 arranges and is about 0.25 high-frequency work wavelength, and certainly, in practical application, the length of open circuit minor matters 9 also according to the debugging situation of reality, can get the optimal value in its debugging.
In the embodiment of the present invention, coupling circuit 8 also can be arranged on the second low-frequency radiation module the same face, without the need to being connected by metallic vias 7, adopts electromagnetic coupled mode to carry out feed to the second low-frequency radiation module; Certainly, the end of coupling circuit 8 also can directly be connected with radiant body, thus carries out direct feed to the second low-frequency radiation module.
In practical application, this second low-frequency radiation module can further include:
Supporter 10, symmetry is installed on balance Ba Lun 13 both sides, and one end and the second oscillator arms 5 are connected, and the other end is connected with balance Ba Lun 13.
Preferably, the angle between supporter 10 and balance Ba Lun 13 is about 45 °, for increasing balance and the mechanical strength of the second low-frequency radiation device 1.
In the second low-frequency radiation module, first oscillator arms 4, second oscillator arms 5, metallic vias 7, coupling circuit 8, open circuit minor matters 9 and balance Ba Lun 13, identical with corresponding components and parts in the first low-frequency radiation module respectively, unlike, be provided with the draw-in groove for being connected with draw-in groove button in the first low-frequency radiation module in the second low-frequency radiation module.
Fig. 7 is embodiment of the present invention high frequency radiation device perspective view.See Fig. 7, this high frequency radiation device comprises: the first high frequency radiation module 17 and the second high frequency radiation module 18, wherein, first high frequency radiation module 17 carries out-45 ° of polarization, second high frequency radiation module 18 carries out+45 ° of polarization, first high frequency radiation module 17 and the second high frequency radiation module 18 Orthogonal Symmetric are fixed together, in the axial centre side of the first high frequency radiation module 17 and the second high frequency radiation module 18, be respectively arranged with the open circuit minor matters suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device.
In the embodiment of the present invention, the first high frequency radiation module 17 and the second high frequency radiation module 18 both can be dielectric printing oscillators, and also can be wire half-wave dipole, can also be metal oscillator, is applicable to single-frequency, double frequency or multi-frequency array antenna.
Preferably, the electrical length being arranged on the open circuit minor matters in high frequency radiation module is about 0.25 low frequency operation wavelength, and certainly, the length of open circuit minor matters also according to the debugging situation of reality, can get the optimal value in its debugging.
Preferably, minor matters of opening a way are
shape.
Fig. 8 is the main TV structure schematic diagram of the embodiment of the present invention first high frequency radiation module;
Fig. 9 is the embodiment of the present invention first high frequency radiation module backsight structural representation.
See Fig. 8 and Fig. 9, this first high frequency radiation module comprises: the first oscillator arms 4, second oscillator arms 5, metallic vias 6, coupling circuit 8, open circuit minor matters 16, draw-in groove button 12 and balance Ba Lun 13, wherein,
Balance Ba Lun 13 in axial direction supports the first high frequency radiation module, first oscillator arms 4 and the second oscillator arms 5 are connected, symmetry is positioned at balance Ba Lun 13 top, wherein, first oscillator arms 4 is parallel to horizontal direction, second oscillator arms 5 downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms 4 and the second oscillator arms 5;
Coupling circuit 8 is arranged in balance Ba Lun 13, one end, in the side at balance Ba Lun 13 center, is connected with feeder cable, in order to pass through electromagnetic coupled mode, carry out feed to the first high frequency radiation module, the other end is by extending to the opposite side at balance Ba Lun 13 center in the first oscillator arms 4;
At the axial direction at balance Ba Lun 13 center, be provided with the draw-in groove button 12 for connecting the second high frequency radiation module;
In the both sides at balance Ba Lun 13 center, be respectively arranged with open circuit minor matters 16, described open circuit minor matters 16 are connected by the metallic vias 6 being arranged on open circuit minor matters 16 end.
Certainly, in practical application, described open circuit minor matters 16 also can be in the same face of the first high frequency radiation module, connect without the need to metallic vias 6.
In the embodiment of the present invention, for the position of the open circuit minor matters 16 offered in balance Ba Lun 13, be not specifically limited.
The structure of the second high frequency radiation module and the structure of the first high frequency radiation module similar, unlike, be provided with the draw-in groove for being connected with draw-in groove button in the first high frequency radiation module in the second high frequency radiation module.
Figure 10 is another main TV structure schematic diagram of the embodiment of the present invention first high frequency radiation module.With Fig. 8 unlike, in the both sides at balance Ba Lun 13 center, every side is provided with two open circuit minor matters, namely minor matters of opening a way 16 and the second open circuit minor matters 16 ', the open circuit minor matters 16 of every side and the second open circuit minor matters 16 ' are sequentially connected, for suppressing the transmission of low-frequency electromagnetic wave in the first high frequency radiation module, the impact on low frequency electrical performance characteristics that secondary radiation produces in the first high frequency radiation module of effective reduction low-frequency electromagnetic wave, thus greatly improve the isolation between antennas of low-frequency range, make it have superior pattern characteristics concurrently simultaneously, improve the electrical performance indexes of array antenna entirety.
Figure 11 is the array antenna perspective view of the embodiment of the present invention based on radiation appliance;
Figure 12 is the array antenna main TV structure schematic diagram of the embodiment of the present invention based on radiation appliance.
See Figure 11 and Figure 12, in conjunction with see Fig. 1 to Figure 10, this array antenna comprises: low-frequency radiation device 1, high frequency radiation device 2 and reflecting plate 3, wherein,
Equidistant arrangement between low-frequency radiation device 1, high frequency radiation device 2 is symmetric arrays centered by each low-frequency radiation device 1, and low-frequency radiation device 1 and high frequency radiation device 2 are in axial direction arranged on reflecting plate 3;
Low-frequency radiation device 1 is provided with the open circuit minor matters 9 for suppressing frequency electromagnetic waves to transmit in low-frequency radiation device 1; And/or,
High frequency radiation device 2 is provided with the open circuit minor matters 16 for suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device 2.
In the embodiment of the present invention, the open circuit minor matters 9 of setting and the quantity of open circuit minor matters 16 can be one, also can be more than two.
Preferably, minor matters of opening a way are
shape or
shape.
Low-frequency radiation device 1 comprises: the second low-frequency radiation module 16, first low-frequency radiation module 15 and second low-frequency radiation module 16 Orthogonal Symmetric of the first low-frequency radiation module 15 of-45 ° of polarization and+45 ° of polarization are fixed together.
Wherein,
First low-frequency radiation module comprises: the first oscillator arms 4, second oscillator arms 5, metallic vias 7, coupling circuit 8, open circuit minor matters 9, draw-in groove button 12 and balance Ba Lun 13, wherein,
Balance Ba Lun 13 in axial direction supports the first low-frequency radiation module, first oscillator arms 4 and the second oscillator arms 5 are connected, symmetry is positioned at balance Ba Lun 13 top, wherein, first oscillator arms 4 is parallel to horizontal direction, second oscillator arms 5 downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms 4 and the second oscillator arms 5;
Coupling circuit 8 is arranged at the side in balance Ba Lun 13, one end is connected with feeder cable, in order to pass through electromagnetic coupled mode, feed is carried out to the first low-frequency radiation module, the other end extends in the first oscillator arms 4, be connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias 7 be arranged in the first oscillator arms 4, namely the coupling circuit of the first low-frequency radiation module front and back is connected by the metallic vias 7 that the first oscillator arms 4 is arranged;
At the axial direction at balance Ba Lun 13 center, being provided with the long and narrow draw-in groove button 12 for connecting the second low-frequency radiation module, like this, low-frequency radiation device 1 can being made to make both practical, again simply, conveniently.
Opposite side in the balance Ba Lun 13 having coupling circuit 8, is provided with open circuit minor matters 9.
As previously mentioned, coupling circuit 8 also can be arranged on the first low-frequency radiation module the same face, without the need to being connected by metallic vias 7, adopts electromagnetic coupled mode to carry out feed to the first low-frequency radiation module; Certainly, the end of coupling circuit 8 also can directly be connected with radiant body, thus carries out direct feed to the first low-frequency radiation module.
Preferably, the first oscillator arms 4, second oscillator arms 5 and balance Ba Lun 13, be physically designed to one, positive and negative surface is provided with coupling circuit 8, and positive and negative coupling circuit 8 is connected by the metallic vias 7 that the first oscillator arms 4 is arranged.
Second low-frequency radiation module comprises: the first oscillator arms 4, second oscillator arms 5, metallic vias 7, coupling circuit 8, open circuit minor matters 9, draw-in groove 11 and balance Ba Lun 13, wherein,
Balance Ba Lun 13 in axial direction supports the second low-frequency radiation module, first oscillator arms 4 and the second oscillator arms 5 are connected, symmetry is positioned at balance Ba Lun 13 top, wherein, first oscillator arms 4 is parallel to horizontal direction, second oscillator arms 5 downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms 4 and the second oscillator arms 5;
Coupling circuit 8 is arranged at the side in balance Ba Lun 13, and one end is connected with feeder cable, and the other end extends in the first oscillator arms 4, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias 7 be arranged in the first oscillator arms 4;
At the axial direction at balance Ba Lun 13 center, be provided with the draw-in groove 11 for connecting the first low-frequency radiation module;
Opposite side in the balance Ba Lun 13 having coupling circuit 8, is provided with open circuit minor matters 9.
In the embodiment of the present invention, the length of open circuit minor matters 9 arranges and is about 0.25 high-frequency work wavelength.
In practical application, the first low-frequency radiation module and the second low-frequency radiation module can further include:
Supporter 10, symmetry is installed on balance Ba Lun 13 both sides, and one end and the second oscillator arms 5 are connected, and the other end is connected with balance Ba Lun 13.
Preferably, the angle between supporter 10 and balance Ba Lun 13 is 45 °, for increasing balance and the mechanical strength of the first low-frequency radiation device 1.
High frequency radiation device 2 comprises: the second high frequency radiation module 18 of the first high frequency radiation module 17 of-45 ° of polarization and+45 ° of polarization, first high frequency radiation module 17 and the second high frequency radiation module 18 Orthogonal Symmetric are fixed together, in the axial centre side of the first high frequency radiation module 17 and the second high frequency radiation module 18, be respectively arranged with the open circuit minor matters suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device.
In the embodiment of the present invention, the first high frequency radiation module 17 and the second high frequency radiation module 18 both can be dielectric printing oscillators, and also can be wire half-wave dipole, can also be metal oscillator, is applicable to single-frequency, double frequency or multi-frequency array antenna.
In the embodiment of the present invention, the length being arranged on the open circuit minor matters in high frequency radiation module is about 0.25 low frequency operation wavelength.
First high frequency radiation module comprises: the first oscillator arms 4, second oscillator arms 5, metallic vias 6, coupling circuit 8, open circuit minor matters 16, draw-in groove button 12 and balance Ba Lun 13, wherein,
Balance Ba Lun 13 in axial direction supports the first high frequency radiation module, first oscillator arms 4 and the second oscillator arms 5 are connected, symmetry is positioned at balance Ba Lun 13 top, wherein, first oscillator arms 4 is parallel to horizontal direction, second oscillator arms 5 downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms 4 and the second oscillator arms 5;
Coupling circuit 8 is arranged in balance Ba Lun 13, one end, in the side at balance Ba Lun 13 center, is connected with feeder cable, in order to pass through electromagnetic coupled mode, carry out feed to the first high frequency radiation module, the other end is by extending to the opposite side at balance Ba Lun 13 center in the first oscillator arms 4;
At the axial direction at balance Ba Lun 13 center, be provided with the draw-in groove button 12 for connecting the second high frequency radiation module;
In the both sides at balance Ba Lun 13 center, be respectively arranged with open circuit minor matters 16, described open circuit minor matters 16 are connected by the metallic vias 6 being arranged on open circuit minor matters 16 end.
The structure of the second high frequency radiation module and the structure of the first high frequency radiation module similar, unlike, be provided with the draw-in groove for being connected with draw-in groove button in the first high frequency radiation module in the second high frequency radiation module.
In the embodiment of the present invention, the balance Ba Lun 13 in low-frequency radiation device 1 and high frequency radiation device 2 is connected with feed seat (not shown), is fixed on reflecting plate 3.
Preferably, after balance Ba Lun 13 is connected with feed seat, shape is in aggregates, then is fixed on reflecting plate 3.
In the embodiment of the present invention, high frequency radiation device 2 is size with the main difference point of low-frequency radiation device 1, and comparatively speaking, high frequency radiation device is less than low-frequency radiation device size.
In practical application, the aerial array of the specific embodiment of the invention comprises at least two low-frequency radiation device 1 and at least four high frequency radiation devices 2, low-frequency radiation device 1 and high frequency radiation device 2 linearly coaxial setting on reflecting plate 3 longitudinal axial centerline, and low-and high-frequency array lays respectively at same plane; Two high frequency radiation devices 2 are set up between two low-frequency radiation device 1, wherein low-frequency radiation device 1 is with equidistantly about 0.65 ~ 0.85 low frequency operation wavelength linear arrangement, and high frequency radiation device 2 is with equidistantly about 0.65 ~ 0.95 high-frequency work wavelength linear arrangement.
Certainly, in practical application, high frequency radiation device 2 also can linearly arrange by unequal-interval, and preferably, described unequal-interval is about 0.75 ~ 1 high-frequency work wavelength.
Like this, when array antenna is operated in f1 and f2 frequency range, on the one hand, be in the radiation appliance of f1, increase open circuit minor matters in this array antenna frequency range, effectively reduce f1 frequency range to the impact of f2 frequency range, the performance of array antenna is promoted greatly, certainly, in practical application, can be also in the radiation appliance of f2, increase open circuit minor matters in frequency range, effectively reduce f2 frequency range to the impact of f1 frequency range; On the other hand, the Radiation Module structure of this array antenna is simple, lightweight, therefore, the double frequency adopting the Radiation Module of the embodiment of the present invention to realize or multi-frequency array antenna, there is compact conformation, cost is low and can be mass-produced, the feature such as good product consistency, be especially applicable to the multifrequency antenna of broad beam.Specifically,
The working frequency range of array antenna is f1 and f2, and wherein, f1 is low-frequency range, and f2 is high band, and in the embodiment of the present invention, low-frequency range and high band are for the working frequency range of array antenna.
When array antenna is operated in f2 frequency range, frequency range is that the balance Ba Lunshang of the radiation appliance of f1 is provided with open circuit minor matters, and it is the operation wavelength that f2 is corresponding that the electrical length of open circuit minor matters is about 0.25 frequency range.Certainly, in practical application, the optimal value of its electrical length can be got according to debugging situation;
Further, the open circuit minor matters number that radiation appliance is arranged can also be more than two, a certain open circuit minor matters are made to suppress the electromagnetic wave of corresponding band, open circuit minor matters are mainly used in suppressing frequency range to be the electromagnetic wave of f2 being transmission in the radiation appliance of f1 at working frequency range, the electromagnetic wave of effective reduction f2 frequency range is in the radiation appliance of f1 frequency range, because secondary radiation is on the impact of f2 frequency range electrical performance characteristics, thus greatly improve the isolation between antennas of f2 frequency range, have superior pattern characteristics simultaneously concurrently.
To be operated in f2 frequency range similar with array antenna, when array antenna is operated in f1 frequency range, also can arrange open circuit minor matters on the balance Ba Lun that frequency range is the radiation appliance of f2, and wherein, it is the operation wavelength that f1 is corresponding that the electrical length of open circuit minor matters is about 0.25 frequency range.In practical application, also can get the optimal value of its electrical length according to debugging situation, open circuit minor matters extend to the radiation appliance back side by metallic vias, also can be in radiation appliance same plane, connect without the need to via hole.Wherein, open circuit minor matters are mainly used in suppressing frequency range to be the electromagnetic wave of f1 being transmission in the radiation appliance of f2 at working frequency range, effective reduction frequency range is the electromagnetic wave of f1 is in the radiation appliance of f2 at working frequency range, because secondary radiation is on the impact of f1 frequency range electrical performance characteristics, thus effectively improve the isolation between antennas of f1 frequency range, make it have superior pattern characteristics.
Figure 13 is in existing array antenna, does not increase the low frequency performance schematic diagram of open circuit minor matters in high frequency radiation device;
Figure 14 be the embodiment of the present invention based in the array antenna of radiation appliance, in high frequency radiation device increase open circuit minor matters, low frequency performance schematic diagram.
See Figure 13 and 14, under identical condition of work, when 900MHz, the isolation of existing array antenna is-19.5 decibels (dB), and adopts the embodiment of the present invention, and the isolation of array antenna is-23.8 decibels; When 930MHz, the isolation of existing array antenna is-22.9 decibels, and adopts the embodiment of the present invention, and the isolation of array antenna is-24.8 decibels.Visible, after adopting the embodiment of the present invention, the efficiency of isolation of array antenna strengthens greatly.
Figure 15 is in existing array antenna, does not increase the high frequency performance schematic diagram of open circuit minor matters in low-frequency radiation device;
Figure 16 be the embodiment of the present invention based in the array antenna of radiation appliance, in low-frequency radiation device increase open circuit minor matters, high frequency performance schematic diagram.
See Figure 15 and 16, under identical condition of work, when 1.400GHz, the isolation of existing array antenna is-12.7 decibels, and adopts the embodiment of the present invention, and the isolation of array antenna is-22.1 decibels; When 1.440GHz, the isolation of existing array antenna is-10.75 decibels, and adopts the embodiment of the present invention, and the isolation of array antenna is-25.2 decibels; When 1.500GHz, the isolation of existing array antenna is-11.74 decibels, and adopts the embodiment of the present invention, and the isolation of array antenna is-23.4 decibels.Visible, after adopting the embodiment of the present invention, the efficiency of isolation of array antenna also greatly strengthen.
In sum, the compact that the embodiment of the present invention provides, high performance radiation appliance and the array antenna be made up of radiation appliance, by increasing open circuit minor matters in low-frequency radiation module, thus suppress the transmission of frequency electromagnetic waves in low-frequency radiation module, the impact on high-frequency electrical performance characteristic that the secondary radiation in low-frequency radiation module of effective reduction frequency electromagnetic waves produces, improves isolation between antennas; Meanwhile, array antenna is made to have superior pattern characteristics concurrently; Further, the single-frequency, the double frequency that adopt low-frequency radiation module to realize or multi-frequency array antenna all has compact conformation, cost is low and can be mass-produced, the feature such as good product consistency, be especially applicable to the multifrequency antenna of broad beam, application prospect is boundless.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if belong within the scope of the claims in the present invention and equivalent technologies thereof to these amendments of the present invention and modification, then the present invention also comprises these change and modification.
Claims (21)
1. a low-frequency radiation device, is characterized in that, this device comprises: the first low-frequency radiation module and the second low-frequency radiation module, wherein,
First low-frequency radiation module carries out-45 ° of polarization, second low-frequency radiation module carries out+45 ° of polarization, first low-frequency radiation module and the second low-frequency radiation module Orthogonal Symmetric are fixed together, in the axial centre side of the first low-frequency radiation module and the second low-frequency radiation module, be respectively arranged with the open circuit minor matters suppressing frequency electromagnetic waves to transmit in low-frequency radiation device;
First low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first low-frequency radiation module, and the first oscillator arms and the second oscillator arms are connected, and symmetry is positioned at balance Ba Lun top, and wherein, the first oscillator arms is parallel to horizontal direction, the second oscillator arms downward bending;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
2. device according to claim 1, is characterized in that,
In described first low-frequency radiation module, in the angle of 0 ° ~ 90 between the first oscillator arms and the second oscillator arms; And
Described first low-frequency radiation module, at the axial direction at its balance Ba Lun center, is also provided with the draw-in groove button for connecting the second low-frequency radiation module.
3. device according to claim 2, is characterized in that, described open circuit minor matters are in " " " shape.
4. device according to claim 3, is characterized in that, described first low-frequency radiation module comprises further:
Supporter, symmetry is installed on balance Ba Lun both sides, and one end and the second oscillator arms are connected, and the other end is connected with balance Ba Lun.
5. device according to claim 4, is characterized in that, the angle between described supporter and balance Ba Lun is 45 °.
6. the device according to any one of claim 2 to 5, is characterized in that,
In the obverse and reverse both sides of the first low-frequency radiation module, arrange open circuit minor matters respectively, described open circuit minor matters are parallel to axial direction arrangement.
7. the device according to any one of claim 2 to 5, is characterized in that,
In the same side of the first low-frequency radiation module, arrange two open circuit minor matters, described two open circuit minor matters are in " " " shape is parallel to axial direction arrangement.
8. device according to claim 7, is characterized in that, described first low-frequency radiation module and the second low-frequency radiation module are dielectric printing oscillator, wire half-wave dipole or metal oscillator.
9. device according to claim 1, is characterized in that, described second low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the second low-frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove for connecting the first low-frequency radiation module;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
10. device according to claim 1, is characterized in that, the electrical length of described open circuit minor matters is set to 0.25 high-frequency work wavelength.
11. 1 kinds of high frequency radiation devices, is characterized in that, this device comprises: the first high frequency radiation module and the second high frequency radiation module, wherein,
First high frequency radiation module carries out-45 ° of polarization, second high frequency radiation module carries out+45 ° of polarization, first high frequency radiation module is orthogonal with the second high frequency radiation module symmetry to be fixed together, in the axial centre side of the first high frequency radiation module and the second high frequency radiation module, be respectively arranged with the open circuit minor matters suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device;
First high frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first high frequency radiation module, and the first oscillator arms and the second oscillator arms are connected, and symmetry is positioned at balance Ba Lun top, and wherein, the first oscillator arms is parallel to horizontal direction, the second oscillator arms downward bending;
Coupling circuit is arranged at balance Ba Lunnei, and one end, in the side at balance Ba Lun center, is connected with feeder cable, and the other end extends to the opposite side at balance Ba Lun center by the first oscillator arms;
In the both sides at balance Ba Lun center, be respectively arranged with open circuit minor matters, described open circuit minor matters are connected by the metallic vias being arranged on open circuit minor matters end.
12. devices according to claim 11, is characterized in that,
In described first high frequency radiation module, in the angle of 0 ° ~ 90 between the first oscillator arms and the second oscillator arms; And
Described first high frequency radiation module, at the axial direction at its balance Ba Lun center, is provided with the draw-in groove button for connecting the second high frequency radiation module.
13. devices according to claim 11, is characterized in that,
In the both sides at balance Ba Lun center, every side is provided with two open circuit minor matters, and two open circuit minor matters that every side is arranged sequentially are connected.
14., according to claim 11 to the device described in 13 any one, is characterized in that, the electrical length of described open circuit minor matters is 0.25 low frequency operation wavelength.
15. 1 kinds, based on the array antenna of high frequency radiation device, is characterized in that, this array antenna comprises: low-frequency radiation device, high frequency radiation device and reflecting plate, wherein,
Equidistant arrangement between low-frequency radiation device, high frequency radiation device is symmetric arrays centered by each low-frequency radiation device, and low-frequency radiation device and high frequency radiation device are in axial direction arranged on reflecting plate;
Low-frequency radiation device comprises: the first low-frequency radiation module and the second low-frequency radiation module, wherein,
First low-frequency radiation module carries out-45 ° of polarization, second low-frequency radiation module carries out+45 ° of polarization, first low-frequency radiation module and the second low-frequency radiation module Orthogonal Symmetric are fixed together, in the axial centre side of the first low-frequency radiation module and the second low-frequency radiation module, be respectively arranged with the open circuit minor matters suppressing frequency electromagnetic waves to transmit in low-frequency radiation device;
Described first low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first low-frequency radiation module, and the first oscillator arms and the second oscillator arms are connected, and symmetry is positioned at balance Ba Lun top, and wherein, the first oscillator arms is parallel to horizontal direction, the second oscillator arms downward bending;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters; And/or,
High frequency radiation device comprises: the first high frequency radiation module and the second high frequency radiation module, wherein,
First high frequency radiation module carries out-45 ° of polarization, second high frequency radiation module carries out+45 ° of polarization, first high frequency radiation module is orthogonal with the second high frequency radiation module symmetry to be fixed together, in the axial centre side of the first high frequency radiation module and the second high frequency radiation module, be respectively arranged with the open circuit minor matters suppressing low-frequency electromagnetic wave to transmit in high frequency radiation device;
Described first high frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the first high frequency radiation module, and the first oscillator arms and the second oscillator arms are connected, and symmetry is positioned at balance Ba Lun top, and wherein, the first oscillator arms is parallel to horizontal direction, the second oscillator arms downward bending;
Coupling circuit is arranged at balance Ba Lunnei, and one end, in the side at balance Ba Lun center, is connected with feeder cable, and the other end extends to the opposite side at balance Ba Lun center by the first oscillator arms;
In the both sides at balance Ba Lun center, be respectively arranged with open circuit minor matters, described open circuit minor matters are connected by the metallic vias being arranged on open circuit minor matters end.
16. array antennas according to claim 15, is characterized in that, between described low-frequency radiation device is equidistantly 0.65 ~ 0.85 low frequency operation wavelength, and between described high frequency radiation device is equidistantly 0.65 ~ 0.95 high-frequency work wavelength.
17. array antennas according to claim 15, is characterized in that,
The electrical length of the described open circuit minor matters arranged in described low-frequency radiation device is set to 0.25 high-frequency work wavelength;
The electrical length of the described open circuit minor matters arranged in described high frequency radiation device is 0.25 low frequency operation wavelength.
18. array antennas according to claim 17, is characterized in that,
In described first low-frequency radiation module, in the angle of 0 ° ~ 90 between the first oscillator arms and the second oscillator arms; And
Described first low-frequency radiation module, at the axial direction at its balance Ba Lun center, is also provided with the draw-in groove button for connecting the second low-frequency radiation module.
19. array antennas according to claim 18, is characterized in that, described first low-frequency radiation module comprises further:
Supporter, symmetry is installed on balance Ba Lun both sides, and one end and the second oscillator arms are connected, and the other end is connected with balance Ba Lun.
20. array antennas according to claim 17, is characterized in that, described second low-frequency radiation module comprises: the first oscillator arms, the second oscillator arms, metallic vias, coupling circuit, open circuit minor matters, draw-in groove and balance Ba Lun, wherein,
Balance Ba Lun in axial direction supports the second low-frequency radiation module, first oscillator arms and the second oscillator arms are connected, symmetry is positioned at balance Ba Lun top, wherein, first oscillator arms is parallel to horizontal direction, second oscillator arms downward bending, makes the angle in 0 ° ~ 90 ° between the first oscillator arms and the second oscillator arms;
Coupling circuit is arranged at the side of balance Ba Lunnei, and one end is connected with feeder cable, and the other end extends in the first oscillator arms, is connected to the coupling circuit at the first low-frequency radiation module back side by the metallic vias be arranged in the first oscillator arms;
At the axial direction at balance Ba Lun center, be provided with the draw-in groove for connecting the first low-frequency radiation module;
There being the opposite side of balance Ba Lunnei of coupling circuit, be provided with open circuit minor matters.
21. array antennas according to claim 17, is characterized in that,
In described first high frequency radiation module, in the angle of 0 ° ~ 90 between the first oscillator arms and the second oscillator arms; And
Described first high frequency radiation module, at the axial direction at its balance Ba Lun center, is also provided with the draw-in groove button for connecting the second high frequency radiation module.
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| CN104269649B (en) * | 2014-09-19 | 2017-02-15 | 广东博纬通信科技有限公司 | Ultra-wide frequency band multi-band array antenna |
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| WO2017091993A1 (en) | 2015-12-03 | 2017-06-08 | 华为技术有限公司 | Multi-frequency communication antenna and base station |
| EP3539182A4 (en) * | 2016-11-10 | 2020-06-24 | Commscope Technologies LLC | Lensed base station antennas having azimuth beam width stabilization |
| CN107134639B (en) | 2017-05-26 | 2019-08-20 | 华南理工大学 | Broadband dual-frequency base-station antenna array is isolated in high alien frequencies |
| CN107359418B (en) | 2017-05-31 | 2019-11-29 | 上海华为技术有限公司 | A kind of method of alien frequencies interference in frequency antenna system and control frequency antenna system |
| CN107968253B (en) * | 2017-12-21 | 2023-11-24 | 京信通信技术(广州)有限公司 | MIMO antenna system, antenna array and low frequency radiating element thereof |
| CN110931952B (en) * | 2018-09-20 | 2021-12-24 | 上海华为技术有限公司 | Multi-frequency antenna and communication device |
| CN113948865A (en) * | 2020-07-15 | 2022-01-18 | 华为技术有限公司 | Dual-frequency antenna and antenna array |
| CN112768895B (en) * | 2020-12-29 | 2022-05-03 | 华南理工大学 | Antenna, low-frequency oscillator and radiating element |
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