CN110148827A - A kind of high frequency radiating element and multifrequency antenna - Google Patents
A kind of high frequency radiating element and multifrequency antenna Download PDFInfo
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- CN110148827A CN110148827A CN201910463910.6A CN201910463910A CN110148827A CN 110148827 A CN110148827 A CN 110148827A CN 201910463910 A CN201910463910 A CN 201910463910A CN 110148827 A CN110148827 A CN 110148827A
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- radiating element
- frequency radiating
- high frequency
- radiation arm
- balun
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- Waveguide Aerials (AREA)
Abstract
The invention discloses a kind of high frequency radiating element and multifrequency antennas, wherein high frequency radiating element includes radiation arm, balun and feed tab, it further include the padded component that balun bottom is set, due to the effect of padded component, so that there are differences in height between high frequency radiating element and low frequency radiating element, change the height of radiating surface, reduce it is between the two intercouple, meanwhile, padded component is for isolator, height can reduce the complexity of antenna with flexible modulation.On this basis, the area of the cross section at the top of balun is greater than the area of the cross section of bottom, intercoupling between the pedestal of low frequency radiating element can be reduced, and, the balun volume of the structure is smaller, for the bore design for increasing low frequency radiating element, is more suitable for the Miniaturization Design of antenna, material therefor is less, and cost is lower.In addition, including that the multifrequency antenna of high frequency radiating element equally has said effect.
Description
Technical field
The present invention relates to mobile communication technology fields, more particularly to a kind of high frequency radiating element and multifrequency antenna.
Background technique
The communications industry be dispersed throughout we live and production every aspect, with the communications industry fast development and
The surge of user demand flow needs to dispose more and more base stations and antenna system.But it is based on current 2G, 3G and 4G Chief Web Officer
The demand of the status coexisted in phase, multifrequency antenna can be more and more.
In order to realize the purpose of multifrequency, also for base station site resource and construction cost is saved, high frequency radiation is generally used
The method that unit nests into low frequency radiating element.But it due to the nested structure of high frequency radiating element and low frequency radiating element, leads
Cause between low frequency radiating element and high frequency radiating element phase mutual coupling and, so as to cause the electrical and radiance deterioration of antenna.
In the prior art, in order to reduce intercoupling for high frequency radiating element and low frequency radiating element, usually in high frequency
Increase isolator between radiating element and low frequency radiating element or widens the bore of low frequency radiating element.Although using
The phenomenon that above method can be to avoid intercoupling, but the former increases the complicated journey that isolator increases antenna to a certain extent
Degree, increases the difficulty of installation and debugging, and the bore design that the latter increases low frequency radiating element is unfavorable for the Miniaturization Design of antenna.
It can be seen that how to reduce the complexity of antenna when realization reduces and intercouples this purpose and realize antenna
Miniaturization be those skilled in the art's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of high frequency radiating elements to be used for when realization reduces and intercouples this purpose, drop
The complexity of low antenna and the miniaturization for realizing antenna.In addition, also providing a kind of multifrequency antenna comprising the high frequency radiating element.
In order to solve the above technical problems, the present invention provides a kind of high frequency radiating element, including at least a pair of of radiation arm, it is used for
It supports the radiation arm and is used for the balun for radiation arm feed, the feed tab being electrically connected with the radiation arm, Yi Jishe
It is placed in the bottom of the balun and bottom structure matches therewith padded component, wherein the cross section at the top of the balun
Area be greater than the balun bottom cross section area.
Preferably, the balun offers the slot passed through for coaxial cable along axis.
Preferably, the bottom of the balun has drafting angle.
Preferably, the radiation arm is specially two pairs, and each pair of radiation arm is diagonally arranged.
Preferably, the radiation arm is different for the engraved structure of engraved structure and each pair of radiation arm.
Preferably, the end of the radiation arm has corner cut structure.
Preferably, there are spacing between each radiation arm.
Preferably, the radiation arm is provided with the boss for installing the feed tab, and two boss have height
Difference, and it is provided with above the radiation arm limited step for fixing the feed tab.
It preferably, further include the oscillator pad for being set to the balun bottom, the oscillator pad is located at the padded component
Lower section, the oscillator pad are provided with what fixing screws were perforated, and prevented the positive stop lug boss deflected perforation and interted for coaxial cable
Through-hole.
In order to solve the above technical problems, the present invention also provides a kind of multifrequency antenna, including low frequency radiating element, reflecting plate,
It further include the high frequency radiating element.
High frequency radiating element provided by the present invention, including radiation arm, balun and feed tab further include being arranged at balun bottom
The padded component in portion, due to the effect of padded component, so that there are difference in height between high frequency radiating element and low frequency radiating element,
The height for changing radiating surface, reduce it is between the two intercouple, meanwhile, padded component for isolator,
Height can reduce the complexity of antenna with flexible modulation.On this basis, the area of the cross section at the top of balun is greater than bottom
The area of the cross section in portion can reduce intercoupling between the pedestal of low frequency radiating element, also, the balun volume of the structure
It is smaller, for the bore design for increasing low frequency radiating element, it is more suitable for the Miniaturization Design of antenna, material therefor is more
Few, cost is lower.In addition, provided by the present invention includes that the multifrequency antenna of high frequency radiating element equally has said effect.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure chart of balun and radiation arm provided in an embodiment of the present invention；
Fig. 2 is a kind of top view for high frequency radiating element that present invention implementation provides；
Fig. 3 is a kind of structure chart of padded component provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of feed tab provided in an embodiment of the present invention；
Fig. 5 is a kind of structure chart of oscillator pad provided in an embodiment of the present invention；
Fig. 6 is a kind of structure chart of multifrequency antenna provided in an embodiment of the present invention；
Fig. 7 is a kind of waveform diagram of S parameter provided in an embodiment of the present invention；
Appended drawing reference is as follows: 1 is low frequency radiating element, and 2 be reflecting plate, and 3 be high frequency radiating element, and 11 be the first radiation
Arm, 12 be the second radiation arm, 13 be third radiation arm, 14 for and the 4th radiation arm, 21 be balun, 31 be the first feed tab, 32
It is padded component for the second feed tab, 41,311 be first through hole, and 312 be the second through-hole, and 411a and 411b are two limit convexes
Platform fixation hole, 412a and 412b are two coaxial cable resigning curved surfaces, and 413a and 413b are two limits and fixing lug boss, 414
It is transition structure for balun bottom boss and screw fixed hole, 51,111,121,131 and 141 be respectively the hollow out of 4 radiation arms
Structure, 112 be the boss on the first radiation arm, and 122 be the boss on the second radiation arm, and 113 be the through-hole on the first radiation arm,
123 on the second radiation arm through-hole, 133 be through-hole on third radiation arm, 143 be the through-hole on the 4th radiation arm, and 61 are
Oscillator pad, 611 be that fixing screws are perforated, 612a and 612b are two positive stop lug boss perforation for preventing deflection, and 613a and 613b are
Two through-holes interted for coaxial cable.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
Core of the invention be to provide a kind of high frequency radiating element be used for realize reduce intercouple this purpose when, drop
The complexity of low antenna and the miniaturization for realizing antenna.In addition, also providing a kind of multifrequency antenna comprising the high frequency radiating element.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is a kind of structure chart of balun and radiation arm provided in an embodiment of the present invention.Fig. 2 present invention implements to provide
A kind of top view of high frequency radiating element.Fig. 3 is a kind of structure chart of padded component provided in an embodiment of the present invention.Such as Fig. 1 or 2
Shown, high frequency radiating element includes that at least a pair of of radiation arm (is specifically two pairs of radiation arms in Fig. 1 and Fig. 2, totally 4 radiation arms, divide
Be not the first radiation arm 11, the second radiation arm 12, third radiation arm 13 and the 4th radiation arm 14), be used to support radiation arm and be used in combination
(it is two feed tabs in Fig. 1 and Fig. 2, is respectively in the balun 21 fed for radiation arm, the feed tab being electrically connected with radiation arm
One feed tab 31 and the second feed tab 32) and it is set to the bottom padded component that bottom structure matches therewith of balun 21
41, wherein the area of the cross section at the top of balun 21 is greater than the area of the cross section of the bottom of balun 21.
Being in Fig. 1 and Fig. 2 includes that two pairs of radiation arms realize dual polarization, wherein the first radiation arm 11 and third radiation arm 13 are
A pair, the second radiation arm 12 and the 4th radiation arm 14 are a pair, diagonally positioned.The top of balun 21, spoke is arranged in radiation arm
The upper surface setting feed tab of arm, the corresponding feed tab of a pair of of radiation arm are penetrated, as shown in Fig. 2, including dividing there are two feed tab
It is not the first feed tab 31 and the second feed tab 32.Fig. 4 is a kind of structure chart of feed tab provided in an embodiment of the present invention.Such as figure
Shown in 4, the both ends of feed tab (illustrating by taking the first feed tab 31 as an example, the second feed tab 32 is identical as 31 structure of the first feed tab)
There is through-hole respectively, first through hole 311 is for fixing feed tab itself, and the second through-hole 312 is the perforation of coaxial cable inner conductor.Feedback
Electric piece can arc-shaped structure, middle part compared with both ends protrusion, during installation, the first feed tab 31 and the second feed tab 32 are orthogonal, such as Fig. 2
It is shown.
It should be noted that the top of balun 21 refers to and one end of radiation arm contact, the bottom of balun 21 refers to another
End.The area of the cross section at top is greater than the area of the cross section of bottom, that is to say, that the top of balun 21 is thick, and bottom is thin.It is excellent
Selection of land, top-to-bottom are grading structures, i.e., balun 21 is gradual change balun.Gradual change balun is similar to gradation type impedance transformer,
The advantages of its characteristic is characteristic impedance along length consecutive variations, and has balance transformation concurrently, balun 21 is can be in frequency band
It realizes good impedance matching, and the area of the cross section of the bottom of the balun 21 is small, can reduce and low frequency radiating element
Intercoupling between pedestal.Under normal conditions, balun 21 is cylindric, so the cross section of balun 21 is circle, in a kind of tool
In body embodiment, which can be set to 13mm.Furthermore it is preferred that the bottom of balun 21 has drafting angle.It needs
It is noted that drafting angle can flexibly be chosen, effect is to realize good impedance matching.
The material of padded component 41 in the present embodiment is not construed as limiting, as long as not influencing the performance of high frequency radiating element i.e.
It can.Padded component 41 can be to be realized by an integral member, can also be superimposed and be realized by multiple element, therefore, this padded group
Part 41 is flexible.As shown in figure 3, in a specific embodiment, padded component 41 includes that positive stop lug boss fixation hole (is in figure
Two, be 411a and 411b respectively, for matching with the boss of the bottom of balun 21), coaxial cable resigning curved surface (be in figure
Two, be 412a and 412b respectively, passed through for coaxial cable), limit and fixing lug boss (be two in figure, be 413a respectively
And 413b, for being matched with the positive stop lug boss perforation for preventing deflection on oscillator pad), balun bottom boss and screw fixed hole
414 (for fixing balun 21 and padded component 41).Make high frequency radiating element and low frequency radiating element by padded component 41
Between there are differences in height, therefore the height of radiating surface can be changed, thus reduce high frequency radiating element and low frequency radiating element it
Between intercouple.It should be noted that the shape and structure of padded component 41 needs the shape and structure phase with the bottom of balun 21
Cooperation, this embodiment is not limited for concrete shape structure.In addition, the padded height of padded component 41 is also required to according to specific high
The structure determination of radio-frequency radiation unit and low frequency radiating element.
High frequency radiating element provided in this embodiment, including radiation arm, balun and feed tab further include being arranged at balun bottom
The padded component in portion, due to the effect of padded component, so that there are difference in height between high frequency radiating element and low frequency radiating element,
The height for changing radiating surface, reduce it is between the two intercouple, meanwhile, padded component for isolator,
Height can reduce the complexity of antenna with flexible modulation.On this basis, the area of the cross section at the top of balun is greater than bottom
The area of the cross section in portion can reduce intercoupling between the pedestal of low frequency radiating element, also, the balun volume of the structure
It is smaller, for the bore design for increasing low frequency radiating element, it is more suitable for the Miniaturization Design of antenna, material therefor is more
Few, cost is lower.
Preferably embodiment, can also be in radiation arm in order to increase its intensity when the intensity of radiation arm is lower
Transition structure 51 is set between balun 21, and transition structure 51 is as shown in Figure 1.It should be noted that the height of transition structure 51
It needs to be determined according to the intensity of radiation arm, is not a fixed value, for example, in a specific embodiment, highly can be
3mm。
On the basis of the above embodiments, balun 21 offers the slot passed through for coaxial cable along axis and (does not show in figure
Out).
It should be noted that the structure of slot is not construed as limiting, it is preferable that open up cylindrical recess, the diameter of slot with specific reference to bar
The diameter of human relations 21 and the line footpath of coaxial cable determine.Since balun 21 offers slot, it can be effectively reduced high frequency radiation list
The weight of member, reduces cost, and facilitate the fixation and installation of coaxial cable.
On the basis of examples detailed above, when radiation arm is specially two clock synchronizations, radiation arm is engraved structure, as shown in Fig. 2, point
It is not 111,121,131 and 141, and the engraved structure of each pair of radiation arm is different.Hollow design can largely reduce height
The weight of radio-frequency radiation unit, and different hollow design is used to change radiation arm Surface current distribution, improves radiance.?
On the basis of this, preferably embodiment, the end of radiation arm have corner cut structure.As illustrated in fig. 1 and 2, the first radiation arm
11, the second radiation arm 12, third radiation arm 13, the 4th radiation arm 14 are provided with corner cut structure.Specifically, corner cut structure is cut
This embodiment is not limited for angle size.By the way that corner cut structure is arranged, the flow path of radiation arm surface current can be increased, centainly
Broadened bandwidth has been carried out in degree.
On the basis of examples detailed above, there are spacing between each radiation arm.As shown in Fig. 2, the first radiation arm 11 and second
There are spacing, third radiation arm 13 and the 4th radiation arms there are spacing, the second radiation arm 12 and third radiation arm 13 for radiation arm 12
14 there are spacing, and there are spacing for the 4th radiation arm 14 and the first radiation arm 11.Size by adjusting spacing can improve polarization
Between isolation.Theoretically, spacing is the bigger the better, but the excessive miniaturization for being unfavorable for high frequency radiating element of spacing, and works as
The S parameter of antenna can be deteriorated when spacing is excessive.Therefore, in specific implementation, the design parameter according to high frequency radiation antenna is needed
Setting.
On the basis of examples detailed above, it is (convex on the first radiation arm that radiation arm is provided with the boss for installing feed tab
Boss 122 on platform 112 and the second radiation arm), two boss have difference in height, and are provided with above radiation arm for solid
Determine the limited step of feed tab.
By the way that difference in height is arranged, so that two feed tabs will not intersect during installation, and radiation arm is equipped with boss, because
The through-hole for being used to fix feed tab itself in feed tab is directly surrounded the boss, it is preferable that convex during installation by this
Platform is round boss, to preferably cooperate with through-hole.In addition, preventing feed tab mobile by limited step.In a kind of specific reality
It applies in example, limited step can be set at 1mm above away from radiation arm.
Preferably embodiment can also be arranged for installing the through-hole for guiding piece on radiation arm.Specifically, working as
When including 4 radiation arms, it (is the through-hole 113 on the first radiation arm respectively in Fig. 2, on the second radiation arm that 4 through-holes, which are arranged,
The through-hole 143 on through-hole 133 and the 4th radiation arm on through-hole 123, third radiation arm).Preferably, it can be circular through hole,
Conveniently guide the installation and fixation of piece, the debugging wide for valve into this.
The common wide adjustment method of valve has optimization isolating bar, array to guide piece etc. into using setting on non-straight linear array, radiation arm, this
Invention also provides another valve wide adjustment method: it is wide to optimize valve by adjusting height of the high frequency radiating element apart from reflecting plate,
Increase the freedom degree of the wide debugging of valve.For under normal circumstances, high frequency radiating element is higher, and the wide valve of the valve of horizontal plane is wide can be bigger.
Fig. 5 is a kind of structure chart of oscillator pad provided in an embodiment of the present invention, as shown in figure 5, on the basis of examples detailed above
On, high frequency radiating element further includes the oscillator pad 61 for being set to balun bottom, and oscillator pad 61 is located at the lower section of padded component 41, vibration
It (is 612a respectively in Fig. 5, including two that subpad 61, which is provided with fixing screws perforation 611, prevents the positive stop lug boss perforation of deflection,
And 612b) and the through-hole (being 613a and 613b respectively in Fig. 5, including two) that interts for coaxial cable.
As shown in figure 5, fixing screws perforation 611 and balun bottom boss and screw fixed hole 414 in padded component 41
It matches or is directly matched with the boss of the bottom of balun 21.Two prevent the positive stop lug boss perforation 612a and 612b of deflection
With on padded component 41 limit and fixing lug boss 413a and 413b are matched or boss phase directly with the bottom of balun 21
Cooperation.Two match with the through-hole reserved on reflecting plate so that coaxial cable for the through-hole 613a and 613b that coaxial cable interts
It passes through.
It is illustrated above for the specific embodiment of high frequency radiating element, the application also provides a kind of multifrequency day
Line.Fig. 6 is a kind of structure chart of multifrequency antenna provided in an embodiment of the present invention.As shown in fig. 6, multifrequency antenna includes low frequency radiation
Unit 1, reflecting plate 2 further include high frequency radiating element 3 described in any of the above-described embodiment.
In specific implementation, low frequency radiating element 1 is usually multiple, and high frequency radiating element 3 can be set in two low frequencies
It between radiating element 1, also can be set inside low frequency radiating element 1, this embodiment is not limited, and specific structure may refer to
The prior art.If antenna includes multiple high frequency radiating elements 3, the padded component 41 in each high frequency radiating element 3 be can be
It is identical, it is also possible to different, such as one of high frequency radiating element 3 do not need padded component 41, and remaining is several
A high frequency radiating element 3 needs padded component 41.
Change the height of high frequency radiating element 3 by padded component 41, the freedom degree of Lai Zengjia antenna radiation pattern optimization,
But it is noted that the change of each cell height variation bring phase, needs to carry out corresponding phase compensation.Specific compensation content
It is as follows:
When the height of same column medium-high frequency radiating element is consistent, do not need to carry out phase compensation.When same column medium-high frequency
For radiating element there are when difference in height, shorter high frequency radiating element is advanced relative to the phase of higher high frequency radiating element, needs
Adjust the coaxial line wire length on short shorter high frequency radiating element.Assuming that the difference in height of high frequency radiating element is h, then coaxial line line
Length cuts short h*0.69.If the phase of each port can generate deviation without phase compensation, influence under wave beam forming and vertical plane
The accuracy at inclination angle.
It is understood that multifrequency antenna is in addition to low frequency radiating element 1, reflecting plate 2 further includes outside high frequency radiating element 3
High-frequency boundary and low frequency edge.High-frequency boundary is divided into double-fold isolating bar and oblique isolating bar, wherein double-fold isolating bar is used to about
Beam high frequency valve is wide, oblique isolating bar, for the wide convergence of controlled level valve；Low frequency edge, purpose are the front and back ratio for increasing low frequency
It is wide with bound level valve.In a specific embodiment, the working frequency range of multifrequency antenna is 880-960MHz and 1710-
2170MHz。
Fig. 7 is a kind of emulation schematic diagram of high frequency radiating element provided in an embodiment of the present invention.As shown in fig. 7, emulation knot
Fruit includes standing wave curve 1, standing wave curve 2 and isolation curve 3, wherein can be seen by standing wave curve 1 and standing wave curve 2
Out, the matching performance of high frequency radiating element provided by the present application is good, by isolation curve 3 it can be seen that provided by the present application
Isolation between the polarization of high frequency radiating element meets the design requirement of high-isolation.
Multifrequency antenna provided in this embodiment, including low frequency radiating element, reflecting plate, high frequency radiating element.Wherein, high frequency
Radiating element includes radiation arm, balun and feed tab, further includes the padded component that balun bottom is arranged in, due to padded component
Effect, so that there are differences in height between high frequency radiating element and low frequency radiating element, changes the height of radiating surface, reduces two
Intercoupling between person, meanwhile, padded component highly can reduce antenna for isolator with flexible modulation
Complexity.On this basis, the area of the cross section at the top of balun be greater than bottom cross section area, can reduce with it is low
Intercoupling between the pedestal of radio-frequency radiation unit, also, the balun volume of the structure is smaller, relative to increase low frequency radiating element
Bore design for, be more suitable for the Miniaturization Design of antenna, material therefor is less, and cost is lower.
High frequency radiating element provided by the present invention and multifrequency antenna are described in detail above.It is each in specification
Embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, each
Same and similar part may refer to each other between embodiment.For the device disclosed in the embodiment, due to itself and embodiment public affairs
The method opened is corresponding, so being described relatively simple, reference may be made to the description of the method.It should be pointed out that for
For those skilled in the art, without departing from the principle of the present invention, if can also be carried out to the present invention
Dry improvement and modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. a kind of high frequency radiating element, which is characterized in that including at least a pair of of radiation arm, be used to support the radiation arm and be used for
For the balun of radiation arm feed, the feed tab that is electrically connected with the radiation arm and it is set to the bottom of the balun simultaneously
The padded component that bottom structure matches therewith, wherein the area of the cross section at the top of the balun is greater than the balun
The area of the cross section of bottom.
2. high frequency radiating element according to claim 1, which is characterized in that the balun is offered along axis for coaxial
The slot that cable passes through.
3. high frequency radiating element according to claim 1, which is characterized in that the bottom of the balun has drafting angle.
4. high frequency radiating element according to claim 1 to 3, which is characterized in that the radiation arm is specially two
It is right, and each pair of radiation arm is diagonally arranged.
5. high frequency radiating element according to claim 4, which is characterized in that the radiation arm is engraved structure and each pair of institute
The engraved structure for stating radiation arm is different.
6. high frequency radiating element according to claim 5, which is characterized in that the end of the radiation arm has corner cut knot
Structure.
7. high frequency radiating element according to claim 4, which is characterized in that there are spacing between each radiation arm.
8. high frequency radiating element according to claim 4, which is characterized in that the radiation arm is provided with described for installing
The boss of feed tab, two boss have difference in height, and are provided with above the radiation arm for fixing the feedback
The limited step of electric piece.
9. high frequency radiating element according to claim 1, which is characterized in that further include the vibration for being set to the balun bottom
Subpad, the oscillator pad are located at the lower section of the padded component, and the oscillator pad is provided with fixing screws perforation, prevents deflection
Through-hole positive stop lug boss perforation and interted for coaxial cable.
10. a kind of multifrequency antenna, including low frequency radiating element, reflecting plate, which is characterized in that further include claim 1-9 any
High frequency radiating element described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463910.6A CN110148827A (en) | 2019-05-30 | 2019-05-30 | A kind of high frequency radiating element and multifrequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463910.6A CN110148827A (en) | 2019-05-30 | 2019-05-30 | A kind of high frequency radiating element and multifrequency antenna |
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| Publication Number | Publication Date |
|---|---|
| CN110148827A true CN110148827A (en) | 2019-08-20 |
Family
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Family Applications (1)
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| CN201910463910.6A Pending CN110148827A (en) | 2019-05-30 | 2019-05-30 | A kind of high frequency radiating element and multifrequency antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114122691A (en) * | 2021-11-16 | 2022-03-01 | 中信科移动通信技术股份有限公司 | High-frequency radiating unit |
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