CN103311651B - A kind of ultra wideband multi-band dual polarized antenna - Google Patents
A kind of ultra wideband multi-band dual polarized antenna Download PDFInfo
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Abstract
The invention discloses a kind of ultra wideband multi-band dual polarized antenna, at least one low frequency radiating element including reflecting plate and being arranged on described reflecting plate and at least one high frequency radiating element adjacent with described low frequency radiating element.High frequency radiating element includes the high frequency oscillator that the end face insulation with reflecting plate is arranged and the bowl-shape irradiator being arranged at high frequency oscillator periphery.High frequency radiating element in the present invention can effectively reduce coupling between low frequency radiating element while widening working frequency range；Low frequency radiating element can be effectively increased radiation efficiency while widening working frequency range, therefore the ultra wideband multi-band dual polarized antenna in the present invention can widen low frequency operation frequency range and the bandwidth of high-frequency work frequency range significantly, and it is little to have front face area, the advantage of compact conformation.
Description
Technical field
The present invention relates to antenna of mobile communication base station field, be specially a kind of ultra wideband multi-band dual polarized antenna.
Background technology
Along with the development of mobile communication technology, the communication base station index request to antenna for base station, particularly gain, bandwidth characteristic, half-power angle are with aspects such as the wave characteristic of frequency, cross polarization characteristics, it is proposed that the highest requirement.
Existing antenna for base station many employings double frequency ultra wideband multi-band dual polarized antenna is to widen its band bandwidth, the high and low frequency oscillator of existing double frequency ultra wideband multi-band dual polarized antenna mainly uses following several version: 1, micro-strip radiating element is selected to realize dual-band and dual-polarization as low frequency radiating element, high frequency oscillator by be placed in reflection coaxial with low frequency cell of the most contour form；2, high and low frequency oscillator is placed side by side, respective array group battle array, realizes dual-band and dual-polarization in being then placed into a unified antenna house；3, low frequency is orthogonally located by two electrode couple, and the layout of composition squarish, high frequency oscillator be positioned over reflecting plate on coaxial with low frequency array by the way of inlaying realizes dual-band and dual-polarization.
Though above-mentioned three kinds of structures can widen the band bandwidth of antenna, but all has it to limit to, particularly as follows: the band bandwidth of the microstrip antenna in the first structure is narrower, and high frequency vibrating subport is the poorest with the isolation of low-frequency vibrator port.Although the second structure can make up the deficiency of microstrip antenna well, but in order to ensure the electricity function index of each frequency range, and reduce influencing each other between different frequency range oscillator, then must increase the width of antenna, therefore the front face area of antenna, volume and quality increase the most accordingly.The distance between high and low frequency oscillator in the coaxial ultra wideband multi-band dual polarized antenna of the third structure can not be the least, stronger electromagnetic coupled otherwise will occur between low-frequency vibrator and high frequency oscillator, the radiation of severe jamming electromagnetic wave, therefore its front face area is the biggest.
The working frequency range of mobile communication system at present, either low frequency operation frequency range or high-frequency work frequency range, all expanding to the both sides of work on hand frequency range, therefore the working frequency range of ultra wideband multi-band dual polarized antenna is being had higher requirement.If the antenna making above-mentioned the second structure and the third structure disclosure satisfy that the working frequency range that mobile communcations system is constantly widened, the swept area of high frequency oscillator and low-frequency vibrator can only be increased, so that the front face area of existing ultra wideband multi-band dual polarized antenna, volume and quality not anti-reflection increase.
As from the foregoing, it is necessary to provide that a kind of front face area is little, compact conformation and the ultra wideband multi-band dual polarized antenna of working frequency range bandwidth can be widened.
Summary of the invention
The goal of the invention of the present invention there are provided a kind of ultra wideband multi-band dual polarized antenna, takes into account broader working frequency range bandwidth and more compact construction.
According to an aspect of the invention, it is provided a kind of ultra wideband multi-band dual polarized antenna, at least one low frequency radiating element including reflecting plate and being arranged on described reflecting plate and at least one high frequency radiating element adjacent with described low frequency radiating element,
Described high frequency radiating element includes high frequency oscillator and is arranged at the bowl-shape irradiator that described high frequency oscillator is peripheral.
Wherein, described high frequency vibrating insulating sublayer is fixed on described reflecting plate.
The upper bound bore of described bowl-shape irradiator is more than the radiating aperture of described high frequency oscillator, and 0.15～0.9 wavelength that the height of described bowl-shape irradiator is high frequency vibrating subcenter frequency.
Preferably, described high frequency oscillator is fixed on described reflecting plate by the fixing seat of insulation.
Preferably, the insulation of described bowl-shape irradiator is fixed on described reflecting plate.
Wherein, described low frequency radiating element includes:
Two groups of orthogonal dipole radiating element that polarise, described often group dipole radiating element includes the U-shaped radiation arm arranged that is centrosymmetric a pair；
Described each U-shaped radiation arm is arranged in corresponding balance balun；
Described balance balun is sagging with the upper surface connecting end of described U-shaped radiation arm, forms 4 feed platforms；Wherein,
2 adjacent feed platforms are provided with slotted eye, are used for penetrating feed cable heart yearn；
Other 2 adjacent feed platforms are provided with projection, for being electrically connected with the feed cable heart yearn penetrated in described slotted eye by feed tab.
Further, described U-shaped radiation arm also includes:
First bending minor matters, are arranged at the outside of described U-shaped radiation arm end, and the angle between the centrage of its centrage and described U-shaped radiation arm are acute angle；
Second bending minor matters, be arranged at described U-shaped radiation arm end and with described U-shaped radiation arm ending vertical in axial direction extending；
Yi word pattern minor matters, are arranged between two radiation arms of described U-shaped radiation arm, in order to be electrically connected two radiation arms.
Wherein, the angle between centrage and the centrage of described U-shaped radiation arm of the first bending minor matters is 15 °～90 °.
Preferably, the first bending minor matters and the second bending minor matters are one-body molded with described U-shaped radiation arm respectively.
Preferably, the lower section of described U-shaped radiation arm is provided with the regulating part being secured to connect, and described regulating part is slidably connected with described balance balun, for realizing the regulation in described balance balun in axial direction of described U-shaped radiation arm.
Wherein, described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and high frequency radiating element row are arranged at the side of described low frequency radiating element row；
Described low frequency radiating element row include at least one low frequency radiating element；
Described high frequency radiating element row include at least two high frequency radiating element.
Described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and both sides are respectively arranged with two row high frequency radiating element row, and every four described high frequency radiating element are about a described low frequency radiating element axial symmetry.
Wherein,
In described low frequency radiating element row, low frequency radiating element is with the operation wavelength linear arrangement of equidistant 0.5～0.95 low-frequency vibrator mid frequency；
Described high frequency radiating element arranges with the operation wavelength linear arrangement of equidistant 0.5～0.95 high frequency vibrating subcenter frequency；
Spacing between described low frequency radiating element row arrange with described high frequency radiating element is equal, and its spacing is 0.5～0.95 operation wavelength of high frequency vibrating subcenter frequency.
Wherein, the described high frequency radiating element in described high frequency radiating element row is unequal-interval linear arrangement, and the spacing between adjacent high frequency radiating element is less than 0.5～0.95 operation wavelength of high frequency vibrating subcenter frequency.
According to a further aspect in the invention, additionally provide a kind of ultra wideband multi-band dual polarized antenna, at least one low frequency radiating element including reflecting plate and being arranged on described reflecting plate and at least one high frequency radiating element adjacent with described low frequency radiating element,
The insulation of described high frequency radiating element is fixed on described reflecting plate
Wherein, described high frequency radiating element is fixed on described reflecting plate by the fixing seat of insulation.
Described low frequency radiating element includes:
Two groups of orthogonal dipole radiating element that polarise, described often group dipole radiating element includes the U-shaped radiation arm arranged that is centrosymmetric a pair；
Described each U-shaped radiation arm is arranged in corresponding balance balun；
Described balance balun is provided with 4 feed platforms with the upper surface connecting end of described U-shaped radiation arm；
Described 2 adjacent feed platforms are provided with slotted eye, are used for penetrating feed cable heart yearn；
Described other 2 adjacent feed platforms are provided with projection, for being electrically connected with the feed cable heart yearn penetrated in described slotted eye by feed tab.
Further, described U-shaped radiation arm also includes:
First bending minor matters, are arranged at the outside of described U-shaped radiation arm end, and the angle between the centrage of its centrage and described U-shaped radiation arm are acute angle；
Second bending minor matters, be arranged at described U-shaped radiation arm end and with described U-shaped radiation arm ending vertical in axial direction extending；
Yi word pattern minor matters, are arranged between two radiation arms of described U-shaped radiation arm, in order to be electrically connected two radiation arms.
Described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and high frequency radiating element row are arranged at the side of described low frequency radiating element row；
Described low frequency radiating element row include at least one low frequency radiating element；
Described high frequency radiating element row include at least two high frequency radiating element.
Wherein, described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and both sides are respectively arranged with two row high frequency radiating element row, and every four described high frequency radiating element are about a described low frequency radiating element axial symmetry.
In described low frequency radiating element row, low frequency radiating element is with the operation wavelength linear arrangement of equidistant 0.5～0.95 low-frequency vibrator mid frequency；
Described high frequency radiating element arranges with the operation wavelength linear arrangement of equidistant 0.5～0.95 high frequency vibrating subcenter frequency；
0.5～0.95 operation wavelength that spacing is high frequency vibrating subcenter frequency between described low frequency radiating element row and described high frequency radiating element row.
As shown from the above technical solution, the bowl-shape irradiator that high frequency radiating element periphery is arranged, the electromagnetic signal that high frequency oscillator receives can be focused on the top of high frequency oscillator radiation field, effectively reduce the coupling between high frequency oscillator and low-frequency vibrator.The end face insulation of high frequency oscillator and reflecting plate is arranged, can avoid high frequency oscillator in the secondary radiation of low frequency radiating element, thus the beam angle of effective expansion low-frequency radiating element.In the present invention, the low frequency radiating element of ultra wideband multi-band dual polarized antenna increases in U-shaped radiation arm simultaneously first bends minor matters, the second bending minor matters and yi word pattern minor matters, oscillator arms length can be effectively increased, the radiation efficiency making low frequency radiating element increases, and effective bandwidth significantly extends.Therefore the ultra wideband multi-band dual polarized antenna in the present invention can widen low frequency operation frequency range and the bandwidth of high-frequency work frequency range, meets the working frequency range that mobile communication system is constantly widened, has front face area little simultaneously, the advantage of compact conformation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.It should be evident that the accompanying drawing in following description is only some embodiments of the present invention, for those of ordinary skills, it is also possible to obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
Fig. 1 shows the perspective view of preferred low frequency radiating element in the embodiment of the present invention；
Fig. 2 shows the face upwarding assumption diagram of low frequency radiating element；
Fig. 3 shows the structural representation of preferred high frequency radiating element in the embodiment of the present invention；
Fig. 4 shows the structural representation of ultra wideband multi-band dual polarized antenna.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, referring to the drawings and enumerate preferred embodiment, the present invention is described in more detail.However, it is necessary to explanation, the many details listed in description are only used to make reader that one or more aspects of the present invention are had a thorough explanation, can also realize the aspects of the invention even without these specific details.
In the embodiment of the present invention, it is considered to bowl-shape irradiator is set in the periphery of high frequency radiating element with focused radiation field energy, thus expands the high frequency bandwidth of high frequency radiating element；Consider to arrange the high frequency radiating element of ultra wideband multi-band dual polarized antenna with reflecting plate insulation, so that high frequency radiating element and low frequency radiating element when closely arranging it can be avoided that the frequency electromagnetic waves of high frequency radiating element is to producing secondary radiation in low frequency radiating element, thus reach the purpose of expansion low-frequency radiating element beam angle；And on low frequency radiating element, increase bending minor matters and yi word pattern minor matters, to widen the bandwidth of low frequency radiating element.
Fig. 1 shows the stereochemical structure of preferred low frequency radiating element in the embodiment of the present invention, and what Fig. 2 showed low frequency radiating element looks up structure；Specifically, the low frequency radiating element in the embodiment of the present invention includes two groups of orthogonal dipole radiating element that polarise.Often group dipole radiating element includes the U-shaped radiation arm 1 arranged that is centrosymmetric a pair.
The first bending minor matters 2 and the second bending minor matters 3 it are equipped with on two ends of each U-shaped radiation arm 1.
First bending minor matters, are arranged at the outside of described U-shaped radiation arm end, and the angle between the centrage of its centrage and described U-shaped radiation arm are acute angle.Preferably, the part of the horizontally extending rear outwards lateral buckling of the end that the first bending minor matters 2 are U-shaped radiation arm 1 in the embodiment of the present invention, the i.e. first bending minor matters are one-body molded with the radiation arm of U-shaped radiation arm.Wherein, the angle between centrage and the centrage of radiation arm of the first bending minor matters 2 is 15 °～90 °.Preferably, in the present embodiment, the angle between centrage and the centrage of radiation arm of the first bending minor matters 2 is 45 °.The shape in the first bending minor matters 2 cross section is identical with the shape in U-shaped radiation arm cross section.
Second bending minor matters 3 be arranged at U-shaped radiation arm end and with U-shaped radiation arm 1 ending vertical in axial direction extending.Preferably, the second bending minor matters 3 in the present embodiment are list structure one-body molded with the end of U-shaped radiation arm 1.
The yi word pattern minor matters 4 connecting two radiation arms it are additionally provided with, in order to realize the electrical connection between two radiation arms between two radiation arms of U-shaped radiation arm 1.
In the present invention, the direction defining the extension of U-shaped radiation arm 1 is horizontal direction, and the direction vertical with the direction that U-shaped radiation arm 1 extends is axial direction.
Two pairs of U-shaped radiation arms 1 are arranged in corresponding balance balun 5.In the present embodiment, U-shaped radiation arm sink with the upper surface connecting end of balance balun 5, forms 4 feed platforms 6.Wherein, 2 adjacent feed platforms 6 are provided with slotted eye 7, and other 2 adjacent feed platforms 6 are provided with in corresponding balance balun 5 projection 8 stretched out.When using low frequency radiating element, being arranged on reflecting plate by low frequency radiating element, feed cable heart yearn passes slotted eye 7, and utilizes feed tab to be connected with the projection stretched out in balance balun 5.In the embodiment of the present invention, between 4 feed platforms 6 of U-shaped radiation arm 1 are single or paired, there is difference in height.
The outer surface of balance balun 5 is provided with away line groove, is used for arranging feed cable.
Further, the lower section of U-shaped radiation arm 1 is provided with the regulating part 9 being secured to connect, and described regulating part 9 is slidably connected with balance balun 5.By regulating part 9, U-shaped radiation arm 1 can regulation in axial direction in balance balun 5.
Preferably, the outer surface of the balance balun in the embodiment of the present invention be provided with arrange cable walk line groove 10.
In the embodiment of the present invention, as preferred embodiment, the end of U-shaped radiation arm 1 curves inwardly or is bent outwardly, to increase the path that electric current is walked so that when same radiating aperture, it is thus achieved that higher radiation efficiency.The cross section of the U-shaped radiation arm 1 in the present embodiment is L-shaped, circle, square or arbitrary polygon.
The U-shaped radiation arm 1 of low frequency radiating element can be adjusted due to its distance having between two radiation arms and two radiation arms, therefore the main lobe half-power angle of low frequency radiating element can carry out flexible, compared with or square oscillator arms linear, fan-shaped with original, under identical half-power angle, there is higher directivity.
First bending minor matters the 2, the second bending minor matters 3 arranged on U-shaped radiation arm 1 can be effectively increased electric current and flow through the length of distance at radiation arm；Yi word pattern minor matters 4 short circuit produces current loop, again such that oscillator arms electric current distance lengthens.Owing to the effective electrical length of oscillator arms increases, i.e. being equivalent to oscillator arms lengthen, oscillator radiating aperture diminishes, and therefore in the present invention, the structure of U-shaped radiation arm 1 can improve radiation arm cell impedance capacitive, perception, the radiation efficiency making low frequency radiating element increases, and effective bandwidth significantly extends.Experiment proves that, the working band of the low frequency radiating element in the embodiment of the present invention is 698MHz～960MHz.
Fig. 3 shows the structural representation of preferred high frequency radiating element in the embodiment of the present invention.As it is shown on figure 3, high frequency radiating element includes high frequency oscillator 31 and bowl-shape irradiator 32.Wherein,
It is peripheral that bowl-shape irradiator 32 is arranged at high frequency oscillator 31, and its upper bound bore is more than the radiating aperture of high frequency oscillator 31, and the height of bowl-shape irradiator 32 is not less than the height of high frequency oscillator 31.
Bowl-shape irradiator 32 is set in the periphery of high frequency oscillator 31, the swept area of high frequency oscillator 31 can be increased, widen the working band of high frequency radiating element.The energy of high frequency oscillator 31 radiation field also can be focused by the most bowl-shape irradiator 32, it is to avoid the high frequency oscillator 31 interference to low frequency radiating element, improves the discrete type of high frequency oscillator 31 horizontal direction beam angle, strengthens the capacity of resisting disturbance of electromagnetic signal.
Experiment proves that, the working band of the high frequency radiating element in the embodiment of the present invention is 1710MHz～2690MHz.
High frequency oscillator 31 in the embodiment of the present invention uses integration dual polarization high frequency oscillator 31, about the detailed construction of high frequency oscillator 31, specifically can be found in correlation technique document, does not repeats them here.
Fig. 4 is the structural representation of ultra wideband multi-band dual polarized antenna in the present invention.As shown in Figure 4, ultra wideband multi-band dual polarized antenna includes reflecting plate 41, low frequency radiating element 42 and high frequency radiating element 43.Wherein,
Low frequency radiating element 42 stands up and is fixed on the end face of reflecting plate.
High frequency vibrating insulating sublayer in high frequency radiating element 43 is fixed on the end face of reflecting plate 41.In the embodiment of the present invention, high frequency oscillator 31 is fixed on reflecting plate 41 end face by a fixing seat 44 of insulation, and the fixing seat 44 of insulation is fixedly installed on reflecting plate 41.Concrete fixing step is: first offers through hole on reflecting plate, is then fixed on reflecting plate by fixing for insulation seat 44, is finally installed on by high frequency oscillator on the fixing seat 44 of insulation.
The bowl-shape irradiator 32 of high frequency radiating element 43 also insulate and is fixed on the end face of reflecting plate 41.In the present embodiment, bowl-shape irradiator 32 and high frequency oscillator 31 can share a fixing seat of insulation and be fixed on reflecting plate 41 end face, it is possible to be fixed on the end face of reflecting plate respectively by the fixing seat of insulation and insulation retainer ring.In the present embodiment, it is preferable that the fixing seat of insulation and insulation retainer ring are that plastics fix seat and plastic insulation ring.
Ultra wideband multi-band dual polarized antenna in the present invention can include at least one low frequency radiating element 42 and at least 1 high frequency radiating element 43.But in actual applications, the ultra wideband multi-band dual polarized antenna of the specific embodiment of the invention comprises the high frequency radiating element 43 of the linear arrangement of low frequency radiating element 42 and at least 1 of at least 1 linear arrangement.In the present embodiment, at least one low frequency radiating element that definition is linearly arranged on reflecting plate is low frequency radiating element row；Linear arrangement at least two high frequency radiating element on reflecting plate is high frequency radiating element row.
Low frequency radiating element row are arranged on reflecting plate 41 longitudinal axial centerline, and high frequency radiating element row are divided into the one or both sides of low frequency radiating element 42.Low frequency radiating element 42 height in low frequency radiating element row is more than the height of high frequency radiating element row medium-high frequency radiating element 43.When low frequency radiating element row both sides are equipped with high frequency radiating element row, four high frequency radiating element 43 are about low frequency radiating element 42 axial symmetry.
It should be noted that, it is illustrated that in the structure of ultra wideband multi-band dual polarized antenna be exemplary, every include that above-mentioned low frequency radiating element and high frequency radiating element and the array antenna etc. that both are constituted each fall within protection scope of the present invention.
In low frequency radiating element row, low frequency radiating element 42 arranges with equidistantly about 0.5～0.95 low frequency operation wavelength linear arrangement, high frequency radiating element with the operation wavelength linear arrangement of equidistantly about 0.5～0.95 high frequency oscillator 31 mid frequency.Spacing between low frequency radiating element row arrange with high frequency radiating element is equal, and its spacing is 0.5～0.95 wavelength of high frequency oscillator 31 mid frequency.
Certainly, in actual applications, high frequency radiating element 43 between high frequency radiating element row can also be unequal-interval linear arrangement, it is preferred that the spacing between the high frequency oscillator 31 of adjacent high frequency radiating element 43 is less than 0.5～0.95 operation wavelength of high frequency oscillator 31 mid frequency.
When existing multifrequency antenna array, when using the distance between common microstrip structure or the low-frequency radiation device of half-wave radiation apparatus structure and high frequency radiation device less, the most likely occur that the radiation arm of low-frequency radiation device blocks the situation of high frequency radiation device, make to occur between low-frequency radiation device and high frequency radiation device stronger electromagnetic coupled, cause the electromagnetic wave that radiate by the serious interference of the opposing party's (low-frequency radiation device or high frequency radiation), i.e. produce alien frequencies interference, so that the transmitting-receiving hydraulic performance decline of antenna.
In the embodiment of the present invention, the high frequency oscillator 31 of the high frequency radiating element 43 of ultra wideband multi-band dual polarized antenna is arranged with the end face insulation of reflecting plate 41, and high frequency radiating element 43 periphery is provided with bowl-shape irradiator 32, therefore low frequency radiating element 42 and high frequency radiating element 43 can closely be arranged.
When ultra wideband multi-band dual polarized antenna is operated in low-frequency range and high band, on the one hand, the the first bending minor matters 2, second increased in the U-shaped radiation arm 1 of low frequency radiating element 42 bend minor matters 3 and yi word pattern minor matters 4, oscillator arms length can be effectively increased, the radiation efficiency making low frequency radiating element 42 increases, and effective bandwidth significantly extends.On the other hand, the high frequency oscillator of high frequency radiating element 43 31 is arranged with the end face insulation of reflecting plate 41, can avoid high frequency oscillator 31 in the secondary radiation of low frequency radiating element 42, thus the beam angle of effective expansion low-frequency radiating element 42.The peripheral bowl-shape irradiator 32 arranged of high frequency radiating element 43, can focus on the electromagnetic signal that high frequency oscillator 31 receives the top of high frequency oscillator 31 radiation field, therefore be effectively reduced the coupling between high frequency oscillator 31 and low-frequency vibrator simultaneously.
It follows that the ultra wideband multi-band dual polarized antenna in the present invention can widen low frequency operation frequency range and the bandwidth of high-frequency work frequency range, meet the working frequency range that mobile communication system is constantly widened.There is front face area simultaneously little, the advantage of compact conformation.
nullExperiment proves that，The working band of the low frequency radiating element in invention embodiment is 698MHz～960MHz，The working band of high frequency radiating element is 1710MHz～2690MHz，Therefore, it is possible to cover 2G simultaneously、The working frequency range of 3G and LTE，It is thus possible to be applicable to global system for mobile communications (GSM，GlobalSystemforMobilecommunications)、CDMA (CDMA，CodeDivisionMultipleAccess)、Digital Cellular System (DCS，DigitalCellularSystem)、Person-to-person communication service (PCS，PersonalCommunicationService)、TD SDMA (TD-SCDMA，TimeDivision-SynchronousCodeDivisionMultipleAccess)、WCDMA (WCDMA，WidebandCodeDivisionMultipleAccess)、The communication network system of the multiple types such as CDMA2000 and LTE.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.All within the spirit and principles in the present invention, any amendment, equivalent and the improvement etc. made, should be included within the scope of the present invention.
Claims (17)
1. a ultra wideband multi-band dual polarized antenna, at least one low frequency radiating element including reflecting plate and being arranged on described reflecting plate and at least one high frequency radiating element adjacent with each described low frequency radiating element, it is characterised in that
Described low frequency radiating element includes:
The two groups of dipole radiating element polarising orthogonal, often group dipole radiating element includes the U-shaped radiation arm arranged that is centrosymmetric a pair；
Described each U-shaped radiation arm is arranged in corresponding balance balun；
Described balance balun is sagging with the upper surface connecting end of described U-shaped radiation arm, forms 4 feed platforms；Wherein,
2 adjacent feed platforms are provided with slotted eye, are used for penetrating feed cable heart yearn；
Other 2 adjacent feed platforms are provided with projection, for being electrically connected with the feed cable heart yearn penetrated in described slotted eye by feed tab；
Described U-shaped radiation arm includes:
First bending minor matters, are arranged at the outside of described U-shaped radiation arm end, and the angle between the centrage of its centrage and described U-shaped radiation arm are acute angle；
Second bending minor matters, be arranged at described U-shaped radiation arm end and with described U-shaped radiation arm ending vertical in axial direction extending, the direction that described axial direction is with U-shaped radiation arm extends direction is vertical；
Yi word pattern minor matters, are arranged between two radiation arms of described U-shaped radiation arm, in order to be electrically connected two radiation arms；
Described high frequency radiating element includes high frequency oscillator and is arranged at the bowl-shape irradiator that described high frequency oscillator is peripheral.
Ultra wideband multi-band dual polarized antenna the most according to claim 1, wherein, described high frequency vibrating insulating sublayer is fixed on described reflecting plate.
Ultra wideband multi-band dual polarized antenna the most according to claim 1, wherein, the upper bound bore of described bowl-shape irradiator is more than the radiating aperture of described high frequency oscillator, and 0.15～0.9 wavelength that the height of described bowl-shape irradiator is high frequency vibrating subcenter frequency.
Ultra wideband multi-band dual polarized antenna the most according to claim 2, wherein, described high frequency oscillator is fixed on described reflecting plate by the fixing seat of insulation.
5. according to the ultra wideband multi-band dual polarized antenna described in claim 1 or 3, wherein, the insulation of described bowl-shape irradiator is fixed on described reflecting plate.
Ultra wideband multi-band dual polarized antenna the most according to claim 1, wherein, the angle between centrage and the centrage of described U-shaped radiation arm of the first bending minor matters is 15 °～90 °.
Ultra wideband multi-band dual polarized antenna the most according to claim 1, it is characterised in that the first bending minor matters and the second bending minor matters are one-body molded with described U-shaped radiation arm respectively.
Ultra wideband multi-band dual polarized antenna the most according to claim 1, it is characterized in that, the lower section of described U-shaped radiation arm is provided with the regulating part being secured to connect, described regulating part is slidably connected with described balance balun, for realizing the regulation in described balance balun in axial direction of described U-shaped radiation arm.
Ultra wideband multi-band dual polarized antenna the most according to claim 1, wherein, described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and high frequency radiating element row are arranged at the side of described low frequency radiating element row；
Described low frequency radiating element row include at least one low frequency radiating element；
Described high frequency radiating element row include at least two high frequency radiating element.
Ultra wideband multi-band dual polarized antenna the most according to claim 9, wherein, described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and both sides are respectively arranged with string high frequency radiating element row, and every four described high frequency radiating element are symmetrical about a described low frequency radiating element.
11. according to the ultra wideband multi-band dual polarized antenna described in claim 9 or 10, wherein,
In described low frequency radiating element row, low frequency radiating element is with the equidistant linear arrangement of operation wavelength of 0.5～0.95 low-frequency vibrator mid frequency；
In described high frequency radiating element row, high frequency radiating element is with the equidistant linear arrangement of operation wavelength of 0.5～0.95 high frequency vibrating subcenter frequency；
0.5～0.95 operation wavelength that spacing is high frequency vibrating subcenter frequency between described low frequency radiating element row and described high frequency radiating element row.
12. according to the ultra wideband multi-band dual polarized antenna described in claim 9 or 10, wherein, described high frequency radiating element in described high frequency radiating element row is unequal-interval linear arrangement, and the spacing range between adjacent high frequency radiating element is 0.5～0.95 operation wavelength of high frequency vibrating subcenter frequency.
13. 1 kinds of ultra wideband multi-band dual polarized antennas, at least one low frequency radiating element including reflecting plate and being arranged on described reflecting plate and at least one high frequency radiating element adjacent with each described low frequency radiating element, it is characterised in that
Described low frequency radiating element includes:
The two groups of dipole radiating element polarising orthogonal, often group dipole radiating element includes the U-shaped radiation arm arranged that is centrosymmetric a pair；
Described each U-shaped radiation arm is arranged in corresponding balance balun；
Described balance balun is provided with 4 feed platforms with the upper surface connecting end of described U-shaped radiation arm；
2 adjacent feed platforms are provided with slotted eye, are used for penetrating feed cable heart yearn；
Other 2 adjacent feed platforms are provided with projection, for being electrically connected with the feed cable heart yearn penetrated in described slotted eye by feed tab；
Described U-shaped radiation arm includes:
First bending minor matters, are arranged at the outside of described U-shaped radiation arm end, and the angle between the centrage of its centrage and described U-shaped radiation arm are acute angle；
Second bending minor matters, be arranged at described U-shaped radiation arm end and with described U-shaped radiation arm ending vertical in axial direction extending, the direction that described axial direction is with U-shaped radiation arm extends direction is vertical；
Yi word pattern minor matters, are arranged between two radiation arms of described U-shaped radiation arm, in order to be electrically connected two radiation arms；
The insulation of described high frequency radiating element is fixed on described reflecting plate.
14. ultra wideband multi-band dual polarized antennas according to claim 13, wherein, described high frequency radiating element is fixed on described reflecting plate by the fixing seat of insulation.
15. ultra wideband multi-band dual polarized antennas according to claim 13, wherein, described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and high frequency radiating element row are arranged at the side of described low frequency radiating element row；
Described low frequency radiating element row include at least one low frequency radiating element；
Described high frequency radiating element row include at least two high frequency radiating element.
16. ultra wideband multi-band dual polarized antennas according to claim 15, wherein, described low frequency radiating element and described high frequency radiating element on described reflecting plate in array distribution, wherein,
Low frequency radiating element row are arranged on the longitudinal axial centerline of described reflecting plate, and both sides are respectively arranged with string high frequency radiating element row, and every four described high frequency radiating element are symmetrical about a described low frequency radiating element.
17. according to the ultra wideband multi-band dual polarized antenna described in claim 15 or 16, wherein,
In described low frequency radiating element row, low frequency radiating element is with the equidistant linear arrangement of operation wavelength of 0.5～0.95 low-frequency vibrator mid frequency；
In described high frequency radiating element row, high frequency radiating element is with the equidistant linear arrangement of operation wavelength of 0.5～0.95 high frequency vibrating subcenter frequency；
0.5～0.95 operation wavelength that spacing is high frequency vibrating subcenter frequency between described low frequency radiating element row and described high frequency radiating element row.
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