CN205723932U - Spotlight antenna - Google Patents
Spotlight antenna Download PDFInfo
- Publication number
- CN205723932U CN205723932U CN201620580818.XU CN201620580818U CN205723932U CN 205723932 U CN205723932 U CN 205723932U CN 201620580818 U CN201620580818 U CN 201620580818U CN 205723932 U CN205723932 U CN 205723932U
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- China
- Prior art keywords
- base plate
- spotlight antenna
- radiation unit
- power splitter
- radiation
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Abstract
The utility model discloses a kind of spotlight antenna, described spotlight antenna includes: housing, has receiving chamber in described housing；Base plate, described base plate is located at described receiving intracavity, is provided with the first insulation spacer between described base plate and described housing；Radiation component, described radiation component is located on the upper surface of described base plate, is provided with the second insulation spacer between described radiation component and described base plate；And power splitter, described power splitter is located on the lower surface of described base plate, is provided with the 3rd insulation spacer between described power splitter and described base plate, and wherein said power splitter is connected with described radiation component by fed element.The advantage that spotlight antenna according to this utility model embodiment has high intermodulation performance.
Description
Technical field
This utility model relates to the communications field, in particular to spotlight antenna.
Background technology
Torch-type embellished antenna, owing to can arbitrarily adjust inclination angle, function admirable, is currently domestic community phasing signal and covers
One of main selection that lid and skyscraper signal cover.But, existing spotlight antenna all can only at low frequency and radio frequency intermodulation
Reach-70 and arrive-80dBm, the most worse.Proposing, for operator, the occasion that high standard requires, intermodulation index must be qualified, existing
Spotlight antenna at all cannot be up to standard.
Utility model content
The application is to make following facts and the discovery of problem and understanding based on inventor: existing spotlight antenna
Each metal parts (such as housing, panel fastener etc.) is and is joined directly together, due to it is difficult to ensure that the contact of each metal parts
Face is perfect condition, i.e. it is difficult to ensure that the contact surface of each metal parts is substantially flat, the metal parts therefore causing being connected
Can not completely attach between contact surface, it is impossible to metal parts is directly connected to reliably, thus cause passive intermodulation to produce.
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this reality
Spotlight antenna by a kind of advantage with high intermodulation performance of novel proposition.
Include according to spotlight antenna of the present utility model: housing that there is in described housing receiving chamber；Base plate, described base plate
It is located at described receiving intracavity, between described base plate and described housing, is provided with the first insulation spacer；Radiation component, described radiation component is located at
On the upper surface of described base plate, between described radiation component and described base plate, it is provided with the second insulation spacer；And power splitter, described merit is divided
Device is located on the lower surface of described base plate, is provided with the 3rd insulation spacer, wherein said merit between described power splitter and described base plate
Device is divided to be connected with described radiation component by fed element.
The advantage that there is high intermodulation performance according to spotlight antenna of the present utility model.
It addition, can also have the technical characteristic added as follows according to the spotlight antenna that this utility model is above-mentioned:
Described housing includes that metal body and plastic face mask, described metal body are provided with plastic buckle, described plastic clip
Buckle is combined on described plastic face mask.
Described base plate includes body and sets left flange on the body and right flange, and described left flange is located at described
Accommodate on the left side wall in chamber and be provided with described first insulation spacer between the left side wall in described left flange and described receiving chamber, described
Right flange is located on the right side wall in described receiving chamber and is provided with between the right side wall in described right flange and described receiving chamber described
One insulation spacer.
Described radiation component is multiple, and multiple described radiation components are arranged in the rectangular array of multiple lines and multiple rows, described rectangular array
Adjacent two row between distance in the range of 0.7 λ-0.9 λ, described rectangular array adjacent two row between distance
In the range of 0.7 λ-0.9 λ.
Described radiation component includes: integrated balun, and described balun is located on the upper surface of described base plate, described balun
And it is provided with described second insulation spacer between described base plate；The horizontal radiation unit of cross polarization and vertical radiation unit, described
Each in horizontal radiation unit and described vertical radiation unit includes two radiant bodies, the inner end of each described radiant body
It is located in described balun；And horizontal fed element and vertical fed element, the first end of described horizontal fed element and described horizontal spoke
Penetrate in two described radiant bodies of unit to be connected and two described radiant bodies of the second end and described horizontal radiation unit
In another be connected, in two described radiant bodies of the first end of described vertical fed element and described vertical radiation unit
Individual it is connected and the second end is connected with another in two described radiant bodies of described vertical radiation unit.
Described radiation component farther includes two the first metal columns and two the second metal columns, two described first metal columns
On the outer end of two the described radiant bodies being located at described horizontal radiation unit correspondingly, two described second metal columns one
On the outer end of one two the described radiant bodies being located at described vertical radiation unit accordingly.
Described radiation component farther includes male part, and described male part is located at described horizontal radiation unit and described vertical spoke
Penetrate the top of unit.
Described power splitter is air microstrip line power splitter.
Described radiation component is four, and described power splitter is one point of four high frequency power splitter.
Described fed element is coaxial cable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the spotlight antenna according to this utility model embodiment；
Fig. 2 is the structural representation of the radiation component of the spotlight antenna according to this utility model embodiment.
Reference:
Spotlight antenna 10,
Housing 101, accommodate chamber 1011, metal body 1012, plastic face mask 1013, plastic buckle 1014, right side wall 1015,
Base plate 102, body 1021, right flange 1022,
First insulation spacer the 1031, second insulation spacer 1032,
Radiation component 104, balun 1041, horizontal radiation unit 1042, vertical radiation unit 1043, horizontal fed element 1044,
Vertical fed element the 1045, first metal column the 1046, second metal column 1047, male part 1048, radiant body 1049
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to be used for explaining this utility model, and it is not intended that new to this practicality
The restriction of type.
Below with reference to the accompanying drawings spotlight antenna 10 according to this utility model embodiment is described.As depicted in figs. 1 and 2, according to
The spotlight antenna 10 of this utility model embodiment includes that housing 101, base plate 102, radiation component 104 and power splitter (do not show in figure
Go out).
Having receiving chamber 1011 in housing 101, base plate 102 is located in receiving chamber 1011, between base plate 102 and housing 101
It is provided with the first insulation spacer 1031.Radiation component 104 is located on the upper surface of base plate 102, sets between radiation component 104 and base plate 102
There is the second insulation spacer 1032.This power splitter is located on the lower surface of base plate 102, is provided with between this power splitter and base plate 102
Three insulation spacer (not shown)s, this power splitter is connected with radiation component 104 by fed element.
Wherein, above-below direction is as shown in the arrow A in Fig. 1, and as indicated by arrow b in fig. 1, left and right directions is such as fore-and-aft direction
Shown in arrow C in Fig. 1.It will be appreciated by persons skilled in the art that above-below direction, the fore-and-aft direction set in this application
It is position relationship and the annexation, i.e. this upper and lower of all parts in order to describe spotlight antenna 10 easily with left and right directions
It is manually set to, this fore-and-aft direction and this left and right directions.Therefore, this above-below direction, this fore-and-aft direction and this left and right directions
Might not consistent (identical) with the above-below direction of spotlight antenna 10, fore-and-aft direction and the left and right directions being under use state.
Such as, this above-below direction set in the application is consistent with direction before and after the spotlight antenna 10 being under use state.
Spotlight antenna 10 according to this utility model embodiment is exhausted by being provided with first between base plate 102 and housing 101
Edge pad 1031, such that it is able to be reliably connected together base plate 102 and housing 101, in order to eliminates because of base plate 102 and housing
The passive intermodulation that can not completely attach between the contact surface of 101 and produce, thus can improve the intermodulation performance of spotlight antenna 10.
Spotlight antenna 10 according to this utility model embodiment is by being provided with second between radiation component 104 and base plate 102
Insulation spacer 1032, such that it is able to be reliably connected together radiation component 104 and base plate 102, in order to eliminates because of radiation component 104
And can not completely attach between the contact surface of base plate 102 and the passive intermodulation that produces, thus can improve the mutual of spotlight antenna 10
Tonality energy.
Spotlight antenna 10 according to this utility model embodiment is by being provided with the 3rd between this power splitter and base plate 102
Insulation spacer 1032, such that it is able to be reliably connected together this power splitter and base plate 102, in order to eliminate because of this power splitter and
The passive intermodulation that can not completely attach between the contact surface of base plate 102 and produce, thus can improve the intermodulation of spotlight antenna 10
Performance.
Therefore, the spotlight antenna 10 according to this utility model embodiment is exhausted by arranging the first insulation spacer 1031, second
Edge pad 1032 and the 3rd insulation spacer, such that it is able to improve the mutual tone pitch of spotlight antenna 10.Therefore, real according to this utility model
Execute the advantage that the spotlight antenna 10 of example has high intermodulation performance.
As depicted in figs. 1 and 2, housing 101, base plate are included according to the spotlight antenna 10 of embodiments more of the present utility model
102, radiation component 104 and this power splitter.
As it is shown in figure 1, housing 101 includes metal body 1012 and plastic face mask 1013, metal body 1012 and plastic cover
Limit, between cover 1013, the receiving chamber 1011 generally closed off.In other words, there is in metal body 1012 receiving of open at one end
Chamber 1011, plastic face mask 1013 is located on metal body 1012 and covers receiving chamber 1011.
Wherein, metal body 1012 is provided with plastic buckle 1014, and plastic buckle 1014 is fastened on plastic face mask 1013.
Thus can keep in repair, change more easily, easily to the parts being located in receiving chamber 1011.
As it is shown in figure 1, in an embodiment of the present utility model, base plate 102 includes body 1021 and is located at body
Left flange (not shown) on 1021 and right flange 1022.This left flange be located at accommodate chamber 1011 left side wall on (in figure
Not shown), it is provided with the first insulation spacer 1031 between this left flange and the left side wall accommodating chamber 1011.Right flange 1022 is located at appearance
Receive on the right side wall 1015 in chamber 1011, between right flange 1022 and the right side wall 1015 accommodating chamber 1011, be provided with the first insulation spacer
1031.Thus can be arranged on housing 101 more easily, easily by base plate 102.
Advantageously, as it is shown in figure 1, the edge of this left flange is positioned at the inner side at the edge of the first insulation spacer 1031, the right side is turned over
The edge on limit 1022 is positioned at the inner side at the edge of the first insulation spacer 1031.Thus can eliminate further because of base plate 102 and shell
The passive intermodulation that can not completely attach between the contact surface of body 101 and produce, such that it is able to improve the mutual tonality of spotlight antenna 10
Energy.
This left flange is perpendicular to body 1021, and right flange 1022 is perpendicular to body 1021.Body 1021, this left flange and right side
Flange 1022 can be one-body molded, i.e. base plate 102 can be integral piece.
As it is shown in figure 1, in examples more of the present utility model, radiation component 104 is multiple (such as four), multiple radiation
Part 104 is arranged in the rectangular array (rectangular arrays of such as two row two row) of multiple lines and multiple rows.Wherein, adjacent the two of this rectangular array
Distance between individual row (includes 0.7 λ and 0.9 λ, as follows) in the range of 0.7 λ-0.9 λ, adjacent two of this rectangular array
Distance between row is in the range of 0.7 λ-0.9 λ.It is to say, adjacent two row of this rectangular array are in the longitudinal direction
Distance is in the range of 0.7 λ-0.9 λ, and adjacent two row of this rectangular array distance in the lateral direction is 0.7 λ-0.9 λ's
In the range of.The structure that thus can make spotlight antenna 10 is more reasonable.
As in figure 2 it is shown, radiation component 104 includes integrated balun 1041, horizontal radiation unit 1042, vertical radiation list
Unit 1043, horizontal fed element 1044 and vertical fed element 1045.
Balun 1041 is located on the upper surface of base plate 102, is provided with the second insulation spacer between balun 1041 and base plate 102
1032.Horizontal radiation unit 1042 and vertical radiation unit 1043 cross polarization, horizontal radiation unit 1042 and vertical radiation list
Each in unit 1043 includes that two radiant bodies 1049, the inner end of each radiant body 1049 are located in balun 1041.
First end of horizontal fed element 1044 is connected with in two radiant bodies 1049 of horizontal radiation unit 1042,
Second end of horizontal fed element 1044 is connected with another in two radiant bodies 1049 of horizontal radiation unit 1042.Vertical feedback
First end of electricity part 1045 is connected with in two radiant bodies 1049 of vertical radiation unit 1043, vertical fed element 1045
The second end be connected with another in two radiant bodies 1049 of vertical radiation unit 1043.It is to say, horizontal radiation list
Two radiant bodies 1049 of unit 1042 are connected by horizontal fed element 1044, two radiant bodies 1049 of vertical radiation unit 1043
It is connected by vertical fed element 1045.
Specifically, radiation component 104 can be broadband dual polarized antenna oscillator.Radiation component 104 can include having square knot
The die casting oscillator of structure.The main part die casting of oscillator structure is one-body molded, and reliability is high, and oscillator building block is few, and be electrically connected contact
Few, intermodulation factor is few, mixes up mutually, and the broadband performance of oscillator is good.Each in horizontal fed element 1044 and vertical fed element 1045
Individual can be arc.
In an example of the present utility model, as in figure 2 it is shown, radiation component 104 farther includes two the first metal columns
1046 and two the second metal columns 1047.Two the first metal columns 1046 are located at the two of horizontal radiation unit 1042 correspondingly
On the outer end of individual radiant body 1049, two the second metal columns 1047 are located at two of vertical radiation unit 1043 correspondingly
On the outer end of radiant body 1049.The structure that thus can make radiation component 104 is more reasonable.
Wherein, the inner end of each radiant body 1049 refers to the center of neighbouring radiation component 104 of each radiant body 1049
End, the outer end of each radiant body 1049 refers to the end at the center away from radiation component 104 of each radiant body 1049.Favorably
Ground, radiation component 104 has centrosymmetric structure.
As in figure 2 it is shown, radiation component 104 farther includes male part 1048, male part 1048 is located at horizontal radiation unit
1042 and the top of vertical radiation unit 1043.The structure that thus can make radiation component 104 is more reasonable.
Existing power splitter use copper material, and the shunting of signal is realized by connecting different interfaces, so
The size of aftershaping is relatively big and performance is the most unstable.It is to say, existing power splitter to there is size relatively big, unstable properties
Defect.
The power splitter of the spotlight antenna 10 according to this utility model embodiment is air microstrip line power splitter.Specifically,
This power splitter uses the principle of air band wire, uses sheet metal component die casting one-body molded, and this power splitter does not has extra interface, maximum
Decrease insertion loss in degree, thus while miniaturization, ensure that stablizing of performance is excellent, high power can be born also
Easy for installation.Therefore, this power splitter has the advantages such as volume is little, stable performance is excellent.
Advantageously, radiation component 104 is four, and this power splitter is one point of four high frequency power splitter.The input work of spotlight antenna 10
Rate is divided into 4 equal portions by this power splitter, feeds to 4 radiation components 104 respectively.
Wherein, this fed element is coaxial cable.Specifically, this coaxial cable is four, and this power splitter is coaxial by four
Cable feeds to four radiation components 104 correspondingly.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " suitable
Hour hands ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings
Or position relationship, be for only for ease of describe this utility model and simplify describe rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
In above-described embodiment can be changed, revise, replace and modification.
Claims (10)
1. a spotlight antenna, it is characterised in that including:
Housing, has receiving chamber in described housing；
Base plate, described base plate is located at described receiving intracavity, is provided with the first insulation spacer between described base plate and described housing；
Radiation component, described radiation component is located on the upper surface of described base plate, is provided with second between described radiation component and described base plate
Insulation spacer；With
Power splitter, described power splitter is located on the lower surface of described base plate, is provided with the 3rd between described power splitter and described base plate
Insulation spacer, wherein said power splitter is connected with described radiation component by fed element.
Spotlight antenna the most according to claim 1, it is characterised in that described housing includes metal body and plastic face mask,
Described metal body is provided with plastic buckle, and described plastic buckle is fastened on described plastic face mask.
Spotlight antenna the most according to claim 1, it is characterised in that described base plate includes body and is located at described body
On left flange and right flange, described left flange is located on the left side wall in described receiving chamber and described left flange and described receiving chamber
Left side wall between be provided with described first insulation spacer, described right flange is located on the right side wall in described receiving chamber and the described right side is turned over
Described first insulation spacer it is provided with between the right side wall in limit and described receiving chamber.
Spotlight antenna the most according to claim 3, it is characterised in that described radiation component is multiple, multiple described radiation components
Being arranged in the rectangular array of multiple lines and multiple rows, the distance between adjacent two row of described rectangular array is in the scope of 0.7 λ-0.9 λ
In, the distance between adjacent two row of described rectangular array is in the range of 0.7 λ-0.9 λ.
5. according to the spotlight antenna described in claim 3 or 4, it is characterised in that described radiation component includes:
Integrated balun, described balun is located on the upper surface of described base plate, is provided with between described balun and described base plate
Described second insulation spacer；
In the horizontal radiation unit of cross polarization and vertical radiation unit, described horizontal radiation unit and described vertical radiation unit
Each include that two radiant bodies, the inner end of each described radiant body are located in described balun；And
Described in two of horizontal fed element and vertical fed element, the first end of described horizontal fed element and described horizontal radiation unit
In radiant body one is connected and the second end is connected with another in two described radiant bodies of described horizontal radiation unit, institute
State the first end of vertical fed element be connected with in two described radiant bodies of described vertical radiation unit and the second end with
Another in two described radiant bodies of described vertical radiation unit is connected.
Spotlight antenna the most according to claim 5, it is characterised in that described radiation component farther includes two the first metals
Post and two the second metal columns, two described first metal columns are located at described in two of described horizontal radiation unit correspondingly
On the outer end of radiant body, two described second metal columns are located at two described spokes of described vertical radiation unit correspondingly
On the outer end of beam.
Spotlight antenna the most according to claim 5, it is characterised in that described radiation component farther includes male part, described
Male part is located at described horizontal radiation unit and the top of described vertical radiation unit.
Spotlight antenna the most according to claim 1, it is characterised in that described power splitter is air microstrip line power splitter.
Spotlight antenna the most according to claim 8, it is characterised in that described radiation component is four, described power splitter is one
Divide four high frequency power splitters.
Spotlight antenna the most according to claim 1, it is characterised in that described fed element is coaxial cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580818.XU CN205723932U (en) | 2016-06-14 | 2016-06-14 | Spotlight antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580818.XU CN205723932U (en) | 2016-06-14 | 2016-06-14 | Spotlight antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723932U true CN205723932U (en) | 2016-11-23 |
Family
ID=57306169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620580818.XU Active CN205723932U (en) | 2016-06-14 | 2016-06-14 | Spotlight antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654538A (en) * | 2017-01-13 | 2017-05-10 | 嘉兴市安信通讯技术有限公司 | Dual-polarized lamp-lighting type down lamp antenna applied to wireless communication system |
| CN107579355A (en) * | 2017-08-15 | 2018-01-12 | 佛山市波谱达通信科技有限公司 | A kind of medium-sized double frequency vertical plane large angle spotlight antenna |
| CN112928475A (en) * | 2021-02-18 | 2021-06-08 | 武汉虹信科技发展有限责任公司 | Spotlight antenna monitoring system and intelligent spotlight antenna |
-
2016
- 2016-06-14 CN CN201620580818.XU patent/CN205723932U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654538A (en) * | 2017-01-13 | 2017-05-10 | 嘉兴市安信通讯技术有限公司 | Dual-polarized lamp-lighting type down lamp antenna applied to wireless communication system |
| CN107579355A (en) * | 2017-08-15 | 2018-01-12 | 佛山市波谱达通信科技有限公司 | A kind of medium-sized double frequency vertical plane large angle spotlight antenna |
| CN112928475A (en) * | 2021-02-18 | 2021-06-08 | 武汉虹信科技发展有限责任公司 | Spotlight antenna monitoring system and intelligent spotlight antenna |
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