CN2108366U - Wideband built-up array aerial - Google Patents
Wideband built-up array aerial Download PDFInfo
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- CN2108366U CN2108366U CN 91228920 CN91228920U CN2108366U CN 2108366 U CN2108366 U CN 2108366U CN 91228920 CN91228920 CN 91228920 CN 91228920 U CN91228920 U CN 91228920U CN 2108366 U CN2108366 U CN 2108366U
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- reflecting surface
- column
- power splitter
- aerial
- array element
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Abstract
The utility model discloses a wideband built-up array aerial which is composed of a reflecting surface, a central body, a pitch, an azimuth aerial stand, a novel log periodic ring array unit aerial, a combined power divider with a band-shaped line, etc. The special log periodic ring array unit aerial is arrayed on the reflecting surface at a certain angle and position, which enables the utility model to have the favorable electric properties of wide band, high gain, low side lobe, small standing wave ratio, etc. The utility model also has the characteristics of small aerial volume, simple structure, low cost, favorable sealing property, favorable three-prevention property, convenient installation, application and maintenance, etc., and can be widely adaptable to be used as a wideband sending and receiving aerial in the fields of communication, broadcast, radar, monitoring, etc.
Description
The utility model relates to a kind of broadband built-up array aerial that is used for the communications field, and being specially adapted to operating frequency is the communication all channel antenna of 150 to 500 megahertzes.
Along with developing rapidly of telecommunications, performance requirement to all channel antenna is more and more higher, the special task frequency is difficult to satisfy communicating requirement in its performance of communication antenna of 150 to 500MHz scopes, as parabolic antenna commonly used, improve antenna gain, then antenna aperture is bigger, and antenna mould cost is higher, and cost is more expensive.Another kind of Log Periodic Dipole Antenna commonly used, though bandwidth performance can meet the demands, it is too low to gain, and antenna size is huge, complex structure, the power splitter complexity, the polarization conversion adjustment realizes difficulty.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and a kind of broadband, high-gain, low secondary lobe, broadband built-up array aerial that standing-wave ratio is little is provided, and the utility model also to have antenna volume little, with low cost, characteristics such as feed is simple are a kind of broad-band antennas that application value is arranged.
The purpose of this utility model is achieved in that it is made up of reflecting surface 1, logarithm period ring array element antenna 2, centerbody 3, strip line composite type power splitter 4, bearing 5, column 6, crossbeam 7, pull bar 8, elevation mount 9, base 10.Logarithm period ring array element antenna 2 can constitute by 1 to 16, wherein logarithm period ring array element antenna 2 one ends are installed on the front of reflecting surface 1 with securing member, the other end is a spoke side, be with surrounding edge around the reflecting surface 1, the back side is supported by skeleton, strip line composite type power splitter 4 usefulness securing members are installed in the back side of reflecting surface 1, and it is gone into end 26 usefulness cables and is connected with the subordinate receiver, and each power splitter goes out to hold 27 to be connected with each logarithm period ring array element antenna 2 inputs 20 usefulness cable; Reflecting surface 1 back side skeleton is fixed on the upper surface of centerbody 3 with securing member, centerbody 3 lower surfaces securing member erection support 5, bearing 5 other ends connect crossbeam 7 with the pin activity, crossbeam 7 other ends and column 6 upper ends all are welded and connect installation with securing member behind the ring flange, installation axle sleeve under the column 6 upper flanges dishes, pull bar 8 upper ends connect with column 6 Upper shaft sleeves with securing member, make column 6 in axle sleeve, can make azimuth rotation, pull bar 8 lower ends and base 10 are respectively with anchor bolt and ground fixed installation, column 6 lower ends are threaded shaft, threaded shaft is inserted in base 10 axis holes and uses nut check, make column 6 in base 10 axis holes, can make azimuth rotation, column 6 lower end ring flanges and base 10 terminal port flange dishes connect with the securing member connection, and the realization orientation is fixed.Elevation mount 9 has leading screw, feed screw nut and pole are formed, leading screw one end was installed on the centerbody 3 with movable connection of pin, the other end is installed in the feed screw nut, feed screw nut is installed in pole one end with securing member, the pole other end is movably arranged on the column 6 lower end ring flanges with pin, regulates feed screw nut antenna elevation angle is changed.
When logarithm period ring array element antenna 2 of the present utility model is installed one on reflecting surface 1, the area size of reflecting surface 1 be 0.25 to 16 times of operation wavelength size square, when installing 2 to 16, the setting angle 11 of each logarithm period ring array element antenna 2 axis and reflecting surface 1 axis is 5 to 20 degree, every adjacent two logarithm period ring array element antenna 2 center distance 12 installation dimensions are 0.5 to 1.5 times of operation wavelength, and logarithm period ring array element antenna 2 is by 3 to 20 ring oscillators 13, short-circuiting device 14, fixed block 15, coupling sheet 16, brace 17, dielectric support 18, fixedly frid 19, coaxial plug 20, assembly line 21, coaxial feeder 22 is formed, wherein each ring oscillator 13 is welded on the assembly line 21, short-circuiting device 14, fixed block 15 usefulness securing members are installed on the assembly line 21, brace 17 and coaxial feeder 22 1 end welded and installed, be fixedly connected with securing member and assembly line 21 in addition, dielectric support 18 usefulness securing members are installed and are clamped between brace 17 and assembly line 21, fixedly frid 19 usefulness securing members are clamped installing ring oscillator 13, and coaxial plug 20 welded and installed are on coaxial feeder 22 other ends.
The strip line composite type power splitter 4 of the present utility model power splitter that is divided into two simultaneously, one is divided into four power splitters, one is divided into three kinds of eight power splitters, every kind of strip line composite type power splitter 4 is by outer conductor 23, inner wire 24, back-up block 25, balance resistance R, go into end 26, power splitter goes out end 27 and forms, wherein inner wire 24 is made into and is divided into two, one is divided into four, one is divided into eight power splitters, inner wire 24 is fixedly mounted in the outer conductor 23 by back-up block 25, inner wire is gone into end 26, power splitter goes out end 27 and is fixedly mounted on the outer conductor 23 both sides end plates by coaxial socket, balance resistance R is welded on the quarter-wave strong point between the inner wire 24, and outer conductor 23 is made shell by the duralumin material.
The utility model compared with prior art has following advantage:
1, the utility model adopts novel element antenna by special shape group battle array, has good electric property, and its bandwidth, the high and low secondary lobe that gains, standing-wave ratio are little, and the polarization rotation is adopted simple, the reliable operation of strip line composite type power splitter feed flexibly.
2, antenna volume little, simple in structure, install and use easy to maintenance, easy to process, with low cost.
3, logarithm period ring array element antenna adopts the sealing of glass steel cage, and working stability is reliable, mildew-resistant, anti-salt fog, damp proof good in thermal property.Now small lot batch manufacture is on probation, and the user is consistent to think superior performance to have good practical value.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model antenna reflective face 1 mounting structure schematic diagram.
Fig. 3 is the structural representation of a kind of logarithm period ring of the utility model array element antenna 2.
Fig. 4 is the right view of the utility model Fig. 3 logarithm period ring array element antenna.
Fig. 5 is the electric theory structure schematic diagram of a kind of strip line composite type of the utility model power splitter 4.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, the utility model is by reflecting surface 1, logarithm period ring array element antenna 2, and centerbody 3, strip line composite type power splitter 4, bearing 5, column 6, crossbeam 7, pull bar 8, elevation mount 9, base 10 are formed.Logarithm period ring array element antenna 2 is by 3 to 20 ring oscillators 13, short-circuiting device 14, fixed block 15, coupling sheet 16, brace 17, dielectric support 18, fixedly frid 19, coaxial plug 20, assembly line 21, coaxial feeder 22 is formed, wherein each ring oscillator 13 is welded on the assembly line 21, short-circuiting device 14, fixed block 15 usefulness securing members are installed on the assembly line 21, embodiment ring oscillator 13, assembly line 21 is all made with tube material, ring oscillator 13 embodiment have 10 cell rings layered transducer elements, the ring-like intersection in the garden that turns to is welded on assembly line 21, and its effect is that form of electromagnetic wave radiate by certain orientation to the space with the high frequency current transitions on the assembly line.Assembly line 21 is made up of two copper pipes, by fixed block 15 support set zygonemas 21, guarantees that its impedance stabilization is constant, and fixed block 15 is made by Teflom Insulation Material.Short-circuiting device 14 its effect pair set lines 21 play a reactance loading effect, guarantee that the low frequency end energy emission is good and improve the antenna match performance, and embodiment adopts copper coin materials processing to form.Brace 17 and coaxial feeder 22 1 end welded and installed, be fixedly connected with securing member and assembly line 21 in addition, dielectric support 18 usefulness securing members are installed and are clamped between brace 17 and assembly line 21, brace 17 usefulness copper coin materials are made, its effect connects coaxial feeder 22 and assembly line 21, realize the transmission of high-frequency current, dielectric support 18 adopts polytetrafluoroethylmaterial material to make, its effect guarantees the distance between assembly line 21 distributing points, coaxial feeder 22 adopts commercially available SYV-50 type cable to make, coaxial plug 20 welded and installed are on the other end of coaxial feeder 22, its effect realizes being connected with strip line composite type power splitter 4, and embodiment adopts commercially available L16 type coaxial plug to make.Fixedly frid 19 usefulness securing members are clamped installing ring oscillator 13, and its effect guarantees respectively to encircle the relative position between the oscillator 13, improves a day line strength, and embodiment is made with the glass epoxy material.
When logarithm period ring array element antenna 2 is installed one at reflecting surface 1, the area size of reflecting surface 1 be 0.25 to 16 times of operation wavelength size square, the area size when the single logarithm period ring of embodiment array element antenna 2 is installed reflectings surface 1 is 1000 square centimeters.When 2 to 16 logarithm period ring array element antennas 2 are installed, each logarithm period ring array element antenna 2 axis and reflecting surface 1 axis setting angle 11 are 5 to 20 degree, and every adjacent two logarithm period ring array element antenna 2 center distance 12 installation dimensions are 0.5 to 1.5 times of operation wavelength size.Embodiment installs 4 unit logarithm period ring array antennas on reflecting surface 1, realize the broadband built-up array aerial, each element antenna 2 axis and reflecting surface 1 axis setting angle 11 are 19 degree, and adjacent two logarithm period ring array element antenna 2 center distance 12 installation dimensions are 60 centimetres.Embodiment also seals logarithm period ring array element antenna with the glass steel cage, improve the NBC protective performance of antenna.
Strip line composite type power splitter 4 is by the power splitter that is divided into two, one is divided into four power splitters, is divided into three kinds of eight power splitters, embodiment adopts one to be divided into four power splitters, every kind of strip line composite type power splitter 4 by outer conductor 23, inner wire 24, back-up block 25, balance resistance R, go into end 26, each power splitter goes out end 27 and forms.Outer conductor 23 embodiment adopt up and down the side slat of two blocks of duralumin plates and duralumin processing to be made, it is of a size of long 430 millimeters, wide 360 millimeters, high 17 millimeters, inner wire 24 is made by the copper wire bending of φ 3.5 and 5 two kinds of diameters of φ, signal input part 26 connects inner wire 24, inner wire 24 can turn to two, four, eight power splitters, inner wire 24 is fixed in the outer conductor 23 by a plurality of back-up blocks 25, back-up block 25 can be processed by polytetrafluoroethylmaterial material, a plurality of balance resistance R are welded between the inner wire 24, signal-balanced and the space that its effect realizes each power splitter from, embodiment back-up block 25 adopts 16, balance resistance R is made by 6, go into end 26, each power splitter goes out end 27 and adopts commercially available L16 coaxial socket to be installed in respectively on the two end plates of outer conductor 23, go into end 26 and be connected with the subordinate transceiver, each power splitter goes out to hold 27 to be connected with each logarithm period ring array element antenna 2.
Be with surrounding edge around the reflecting surface 1, reflecting surface 1 is made into square structure, surrounding edge size embodiment height is 20 centimetres, reflecting surface 1 back side is supported by skeleton, strip line composite type power splitter 4 usefulness securing members are installed in the back side of reflecting surface 1, reflecting surface 1 back side skeleton is fixed on the upper surface of centerbody 3 with securing member, centerbody 3 lower surfaces securing member erection support 5, bearing 5 other ends connect crossbeam 7 with the pin activity, crossbeam 7 other ends and column 6 upper ends all are welded and connect installation with securing member behind the ring flange, embodiment centerbody 3 is that to be welded into diameter with steel plate be 450 millimeters, it highly is a garden tubular construction of 350 millimeters, bearing 5, crossbeam 7 all forms with steel plate materials machining, bearing 5 and the fulcrum of the movable connection place of crossbeam 7 usefulness pins for antenna pitching support.
One axle sleeve is installed under column 6 upper flanges dishes, and pull bar 8 upper ends are installed with the axle sleeve on the column 6 with securing member and are connected, and make column 6 can make azimuth rotation in axle sleeve, are a fulcrum of antenna bearingt.Pull bar 8 lower ends and base 10 fix on the ground with anchor bolt respectively.Column 6 lower ends are threaded shaft, threaded shaft is inserted in base 10 axis holes, and use nut check, make the column 6 can azimuth rotation in base 10 axis holes and can not pull out, as another fulcrum of antenna bearingt, pull bar 8, column 6 all form with the different rod iron material machining of thickness, and base 10 usefulness tube materials and steel plate welding processing form, and at column 6 lower end ring flanges and base 10 port welding flanges, after antenna regulates the azimuth again with the securing member installation that is fixedly connected.
Antenna elevation mount 9 is made up of leading screw, feed screw nut and pole, leading screw one end was installed on the centerbody 3 garden cylinders with movable connection of pin, another fulcrum as the antenna pitching, the other end is installed in the feed screw nut, feed screw nut is installed in the pole upper end with securing member, the pole lower end is movably arranged on the column 6 lower end ring flanges with pin, fulcrum for elevation mount 9, when regulating feed screw nut, make leading screw make lifting moving, reach the purpose that changes antenna elevation angle, embodiment elevation mount 9 all forms with steel pipe and excellent structural section machining.
The concise and to the point electrical installation principle of the utility model is as follows: when sending signal, the signal that transmitter sends carries out the constant power feed to its element antenna respectively by strip line composite type power splitter 4, after high-frequency current arrives assembly line by feeder line, promptly on assembly line, set up the TEM ripple, and the excitation service area the ring oscillator with high-frequency current with the form of electromagnetic wave radiation space, along with is also moving the working region of change ring oscillator 13 arrays of frequency, the frequency that comprises maximum and minimum ring oscillator has determined the working frequency range of antenna, so peace has extremely wide frequency band.Because the ring oscillator is equivalent to two half-wave doublet battle arrays, so other antenna gain height of this antenna ratio, when antenna array, logarithm period ring array element antenna 2 is assemblied on the same reflecting surface 1 by certain angle and position.When receiving, each organizes the array element antenna, and that received signal is carried out power by strip line composite type power splitter 4 is synthetic, sends into subordinate's receiver, thereby has further improved the gain of antenna.
Claims (4)
1, a kind of broadband built-up array aerial of forming by reflecting surface 1, centerbody 3, bearing 5, column 6, crossbeam 7, pull bar 8, elevation mount 9, base 10, it is characterized in that forming by 1 to 16 logarithm period ring array element antenna 2 and strip line composite type power splitter 4, wherein logarithm period ring array element antenna 2 usefulness securing members are installed on the front of reflecting surface 1 by certain angle and position, the other end is a spoke side, be with surrounding edge around the reflecting surface 1, the back side is supported by skeleton; Strip line composite type power splitter 4 usefulness securing members are installed in the reverse side of reflecting surface 1, and it is gone into end 26 usefulness cables and is connected with the subordinate receiver, and each power splitter goes out to hold 27 to be connected with each logarithm period ring array element antenna 2 inputs 20 usefulness cable; Reflecting surface 1 back side skeleton is fixed on the upper surface of centerbody 3 with securing member; Centerbody 3 lower surfaces securing member erection support 5, bearing 5 other ends connect crossbeam 7 with the pin activity, crossbeam 7 other ends and column 6 upper ends all are welded and connect installation with securing member behind the ring flange, column 6 upper flanges dishes are installed an axle sleeve down, pull bar 8 upper ends connect with axle sleeve on the column 6 with securing member, make column 6 in axle sleeve, can make azimuth rotation, pull bar 8 lower ends and base 10 are respectively with anchor bolt and ground fixed installation, column 6 lower ends are threaded shaft, threaded shaft is inserted in base 10 axis holes and uses nut check, make column 6 in base 10 axis holes, can make azimuth rotation, column 6 lower end ring flanges and base 10 terminal port flange dishes connect with securing member, the realization orientation is fixed, elevation mount 9 has leading screw, the continuous female and pole composition of leading screw spiral shell, leading screw one end was installed on the centerbody 3 with movable connection of pin, the other end is installed in the feed screw nut, feed screw nut is installed in the pole upper end with securing member, the pole lower end is movably arranged on the column 6 lower end ring flanges with pin, regulates feed screw nut antenna elevation angle is changed.
2, broadband according to claim 1 built-up array aerial, when it is characterized in that logarithm period ring array element antenna 2 is installed one on reflecting surface 1, the area size of reflecting surface 1 be 0.25 to 16 times of operation wavelength square, when installing 2 to 16, the setting angle 11 of each logarithm period ring array element antenna 2 axis and reflecting surface 1 axis is 5 to 20 degree, and every adjacent two logarithm period ring array element antenna 2 center distance 12 installation dimensions are 0.5 to 1.5 times of operation wavelength size.
3, broadband according to claim 1 and 2 built-up array aerial, it is characterized in that logarithm period ring array element antenna 2 is by 3 to 20 ring oscillators 13, short-circuiting device 14, fixed block 15, coupling sheet 16, brace 17, dielectric support 18, fixedly frid 19, coaxial plug 20, assembly line 21, coaxial feeder 22 is formed, wherein each ring oscillator 13 is welded on the assembly line 21, short-circuiting device 14, fixed block 15 usefulness securing members are installed on the assembly line 21, brace 17 and coaxial feeder 22 1 end welded and installed, be fixedly connected with securing member and assembly line 21 in addition, dielectric support 18 usefulness securing members are installed and are clamped between brace 17 and assembly line 21, fixedly frid 19 usefulness securing members are clamped installing ring oscillator 13, and coaxial plug 20 welded and installed are on coaxial feeder 22 other ends.
4, according to claim 1 or 3 described broadband built-up array aerials, it is characterized in that strip line composite type power splitter 4 is by the power splitter that is divided into two, one is divided into four power splitters, one is divided into three kinds of eight power splitters, every kind of strip line composite type power splitter 4 is by outer conductor 23, inner wire 24, back-up block 25, balance resistance R, go into end 26, power splitter goes out end 27 and forms, wherein inner wire 24 is made into and is divided into two, one is divided into four, one is divided into eight power splitters, inner wire 24 is fixedly mounted in the outer conductor 23 by back-up block 25, inner wire is gone into end 26, power splitter goes out end 27 and is fixedly mounted on the side slat at outer conductor 23 two ends by coaxial socket, lead the quarter-wave strong point between the resistance body 24 in balance resistance R is welded on, outer conductor 23 is made shell by the duralumin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91228920 CN2108366U (en) | 1991-11-16 | 1991-11-16 | Wideband built-up array aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91228920 CN2108366U (en) | 1991-11-16 | 1991-11-16 | Wideband built-up array aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2108366U true CN2108366U (en) | 1992-06-24 |
Family
ID=4934528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91228920 Granted CN2108366U (en) | 1991-11-16 | 1991-11-16 | Wideband built-up array aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2108366U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697218A (en) * | 2015-02-10 | 2015-06-10 | 浙江中控太阳能技术有限公司 | Connecting base of tower type solar energy thermal power station heliostat |
| CN107579330A (en) * | 2017-08-31 | 2018-01-12 | 华桂星 | A kind of antenna assembly and its apply the signal coverage method in elevator hoistways |
| CN112787076A (en) * | 2019-11-06 | 2021-05-11 | 华为技术有限公司 | Antenna structure, radar and terminal |
-
1991
- 1991-11-16 CN CN 91228920 patent/CN2108366U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697218A (en) * | 2015-02-10 | 2015-06-10 | 浙江中控太阳能技术有限公司 | Connecting base of tower type solar energy thermal power station heliostat |
| CN104697218B (en) * | 2015-02-10 | 2017-01-18 | 浙江中控太阳能技术有限公司 | Connecting base of tower type solar energy thermal power station heliostat |
| CN107579330A (en) * | 2017-08-31 | 2018-01-12 | 华桂星 | A kind of antenna assembly and its apply the signal coverage method in elevator hoistways |
| CN112787076A (en) * | 2019-11-06 | 2021-05-11 | 华为技术有限公司 | Antenna structure, radar and terminal |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |