CN110364805A - A kind of telemetering and direction finding single antenna - Google Patents
A kind of telemetering and direction finding single antenna Download PDFInfo
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- CN110364805A CN110364805A CN201910696276.0A CN201910696276A CN110364805A CN 110364805 A CN110364805 A CN 110364805A CN 201910696276 A CN201910696276 A CN 201910696276A CN 110364805 A CN110364805 A CN 110364805A
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- 229910052782 aluminium Inorganic materials 0.000 claims description 7
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- 238000012546 transfer Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- 238000004088 simulation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- 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
- H01Q19/104—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 using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
-
- 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
- H01Q21/0006—Particular feeding 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
- H01Q21/061—Two dimensional planar arrays
-
- 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
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
Abstract
The invention belongs to unmanned plane field of antenna, solve radio monitoring system causes monitoring distance range limited using PCB antenna, direction-finding system is big, at high cost using yagi aerial size and do not have communication function, by direction finding and telemetry function combination the problem of, a kind of telemetering and direction finding single antenna are provided.Including antenna house, reflective back plane and multiple groups aerial array；Aerial array is fixed on the surface of reflective back plane in parallel；Reflective back plane and antenna array package are in antenna house；Aerial array includes feeding network and several bays；Bay is arranged in ranks, and the bay of each column is sequentially connected by feeding network, and the bay respectively arranged passes through feeding network parallel connection；Aerial array is in any one of laterally homogeneous arrangement, longitudinal uniformly arrangement, the arrangement of uniline multiple row, the arrangement of single-row multirow or multiple lines and multiple rows rectanglar arrangement；Feeding point is equipped at the center of feeding network；It is connected by SMA connector with reflective back plane at feeding point.
Description
Technical field
The invention belongs to unmanned plane antennas, and in particular to a kind of telemetering and direction finding single antenna.
Background technique
Currently, technical grade unmanned plane is widely used to each field such as military, civilian and commercial, especially in petroleum and day
The fields such as gas pipeline hunting, electric power hunting, logistics, mapping and environmental monitoring.To ensure that unmanned plane is so being widely applied
Middle performance is more safe and reliable, increases the communication of unmanned plane, figure passes sum number and passes apart from particularly important, and before having extensive development
Scape.
Existing radio monitoring system, in order to reduce system dimension, mostly use PCB antenna, but such antenna due to
Size is small so gain is accordingly smaller, and the distance range of monitoring is restricted.And pure direction-finding system, generally using biggish
Yagi aerial, yagi aerial size is big, at high cost, and does not have communication function.Moreover, currently without can be by direction finding and communication
The high efficiency antenna system that function combines, is subject to certain restrictions the broader applications of unmanned plane.
Summary of the invention
The main object of the present invention is to be to solve radio monitoring system in the prior art to cause to monitor using PCB antenna
Distance range is limited, and direction-finding system is big, at high cost using yagi aerial size and does not have communication function, meanwhile, will not
The problem of direction finding and telemetry function combine provides a kind of telemetering and direction finding single antenna.
To achieve the above object, the invention provides the following technical scheme:
A kind of telemetering and direction finding single antenna, are characterized in that, including antenna house, reflective back plane and multiple groups antenna array
Column；
Multiple groups aerial array be fixed on the surface of reflective back plane and with reflective back plane keeping parallelism；Reflective back plane and multiple groups
Antenna array package is in antenna house；
Transversely uniformly arrangement is a line to multiple groups aerial array,
Or uniformly arrangement is a column along longitudinal direction,
Or distinguish and transversely, longitudinally arrange in uniline multiple row,
Or distinguish and transversely, longitudinally arrange in single-row multirow,
Or respectively transversely, longitudinal arrangement be a matrix；
Aerial array includes feeding network and several bays；Bay is arranged in ranks, the bay of each column
It is sequentially connected by feeding network, the bay respectively arranged passes through feeding network parallel connection；Bay and feeding network are integrated
Formula structure；Bay, feeding network and reflective back plane are solid metallic material, and the thickness and feeding network of bay are thick
It spends identical；Feeding point is equipped at the center of feeding network；It is connected by SMA connector with reflective back plane at feeding point.
It further, further include the support column of multiple ABS materials；Bay center offers first through hole, reflection back
Plate is offering the second through-hole with first through hole opposite position, and support column both ends offer threaded hole, and support column is set to anti-
It penetrates between backboard and bay, the threaded hole at both ends is opposite with first through hole and the second through-hole respectively；Support column one end passes through
Screw is fixed with reflective back plane, and the other end is connected by screw with bay.It ensure that aerial array and anti-by support column
Penetrate the mounting distance and the depth of parallelism of backboard.
Further, the screw is M4 metallic screw below, guarantees that the geometric center of all bays is all high
Frequency zero potential.
Further, SMA connector includes inner conductor, medium and flange；It is straight with inner conductor that aperture is offered at feeding point
The identical third through-hole of diameter, reflective back plane position corresponding with third through-hole offer fourth hole；Medium one end passes through the 4th
Through-hole, the other end fit in the back side of feeding point；Flange, which is arranged, to be fixed on outside medium, and fourth hole two sides are opened up there are two spiral shell
Pit, flange are fixed on the back side of reflective back plane by bolt and threaded hole cooperation；Inner conductor one end is fixed across third through-hole
Screw thread is equipped with outside top of media, the other end, nut and described be threadedly engaged are connected to outside inner conductor, and nut fits in feedback
The front of electric network.
Further, several aerial arrays are fixed on the surface of same reflection backboard, are effectively reduced antenna weight
Amount, and it is more beautiful to arrange.
Further, the material of the bay, feeding network and reflective back plane is aluminium.
Further, the side length of the bay is equivalent to the half of default covering band wavelength.
Further, the antenna house uses ABS or epoxy glass fabric material, and loss is low, will not make to the performance of antenna
At influence.
Compared with prior art, the beneficial effects of the present invention are:
1. telemetering of the present invention and direction finding single antenna have combined nothing by the arrangement of bay and aerial array
Man-machine communication and direction-measuring function, and the communication distance of unmanned plane is effectively increased, by the design of bay, effectively widen
The bandwidth of unmanned plane telemetering antenna.Each group of aerial array is provided with the function of telemetering, is determined by the design of bay
Antenna covers frequency range；The direction finding of horizontal direction can be achieved by laterally arranging in multiple groups aerial array, can bowed by longitudinal arrangement
Face upward direction and complete direction finding, if simultaneously horizontal and vertical arrangement can be simultaneously in horizontal and pitching both direction direction finding；Even if
It needs in 360 ° of all standing direction findings, it is aerial array edge in each single antenna that only need to circumferentially arrange multiple single antennas
Laterally or longitudinally arrange in matrix.In addition, telemetering and direction finding single antenna, the size and again of unmanned plane telemetering antenna is reduced
Amount, easy to carry and installation.Bay and feeding network are an integral structure, and eliminate debugging and welding, are able to ascend effect
Rate.Antenna of the invention may be directly applied to the multiple fields such as unmanned plane time-division, frequency division systems data-link, can also pass through tune
The antenna is used for different frequency by whole bay.
2. the present invention by the way that support column is arranged between each bay and reflective back plane, ensure that aerial array and anti-
Penetrate the mounting distance and the depth of parallelism of backboard.
3. the present invention uses M4 metallic screw fixed antenna array element below, guarantee the geometric center of all bays all
It is high frequency zero potential.
4. each aerial array is fixed on same reflection backboard by the present invention, the arrangement for having saved internal antenna array is empty
Between, further mitigate the weight of antenna.
5. the present invention effectively reduces antenna while guaranteeing antenna performance demand as designing material using aluminium
Design cost.
6. ABS or epoxy glass fabric that the present invention uses low loss dielectric, will not be to the property of antenna as antenna house material
It can impact, while play a protective role to antenna.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of telemetering of the present invention and direction finding single antenna；
Fig. 2 is the structural schematic diagram of inventive antenna array；
Fig. 3 is the structural schematic diagram of reflective back plane of the present invention；
Fig. 4 is the antenna array pattern of the embodiment of the present invention one；
Fig. 5 is the antenna and directional diagram of the embodiment of the present invention one；
Fig. 6 is the antenna difference directional diagram of the embodiment of the present invention one；
Fig. 7 is for the antenna of the embodiment of the present invention one and than poor directional diagram；
Fig. 8 is the structural schematic diagram of the embodiment of the present invention two；
Fig. 9 is a kind of structural schematic diagram of telemetering of the present invention and direction finding single antenna pitching direction finding；
Figure 10 is a kind of structural schematic diagram of telemetering of the present invention and direction finding single antenna level and pitching direction finding.
Wherein, 1- antenna house；2- reflective back plane；The second through-hole of 201-；202- fourth hole；203- threaded hole；3- antenna
Array；301- bay；302- feeding network；303- feeding point；4-SMA connector；401- inner conductor；402- medium；
403- flange；404- nut；5- support column；6- first through hole；7- screw；8- third through-hole.
Specific embodiment
Below in conjunction with the embodiment of the present invention and attached drawing, technical solution of the present invention is clearly and completely described,
Obviously, described embodiment is not limitation of the present invention.
As depicted in figs. 1 and 2, a kind of telemetering and direction finding single antenna, if including antenna house 1, reflective back plane 2 and dry aerial
Array 3；Aerial array 3 is fixed on the surface of reflective back plane 2 in parallel；Reflective back plane 2 and aerial array 3 are packaged in antenna house 1
It is interior；Aerial array 3 includes feeding network 302 and several bays 301；Bay 301 is arranged in ranks, the antenna of each column
Array element 301 is sequentially connected by feeding network 302, and the bay 301 respectively arranged is in parallel by feeding network 302；Bay
301 and feeding network 302 be an integral structure；Bay 301, feeding network 302 and reflective back plane 2 are solid metallic material
The thickness of matter, bay 301 is identical as 302 thickness of feeding network；Feeding point 303 is equipped at the center of feeding network 302；Feedback
It is connected by SMA connector 4 with reflective back plane 2 at electricity point 303.
The radiation mechanism of above-mentioned bay 301 is the leakage based on electromagnetic field of high frequency.Electromagnetic field is if not by conductor
Completely enclosed, discontinuous place will generate electromagnetic radiation leakage, and under certain frequency, electromagnetic field uses sheet metal, make its work
Make under resonance condition, radiation will be remarkably reinforced, and radiation efficiency can also greatly improve.Based on the above principles, the present embodiment phase
When in using two pieces of metal plates, as antenna, one of to be used as reflective back plane 2, another piece as bay 301 and feed
Network 302 eliminates expensive high-frequency dielectric plate using air as medium.Bay 301 is at a distance from reflective back plane 2
It can freely adjust, for adjusting resonance frequency, impedance and bandwidth.Meanwhile antenna uses series feed form, feeding network 302 is same
Using metal plate, vertical polarization is formed.In addition, aerial array 3 is arranged according to certain rule, direction finding can be realized
Purpose.The direction finding of horizontal direction can be achieved by laterally arranging in multiple groups aerial array, can be complete in pitch orientation by longitudinal arrangement
At direction finding, if simultaneously horizontal and vertical arrangement can be simultaneously in horizontal and pitching both direction direction finding；Even if needing
360 ° of all standing direction findings only need to circumferentially arrange multiple single antennas, be in each single antenna aerial array transversely or
Longitudinal to arrange in matrix, the number of specific single antenna depends on the directional diagram lobe width of antenna, and lobe is narrower, and gain is higher,
The antenna amount needed is more, and similarly, lobe is wider, and gain is lower, and the antenna amount needed is fewer.
Such as Fig. 1 to Fig. 3, bay 301 is fixed on a kind of mode of 2 top of reflective back plane specifically, further including in parallel
The support column 5 of multiple ABS materials；301 center of bay offers first through hole 6, reflective back plane 2 with 6 phase of first through hole
Corresponding position offers the second through-hole 201, and 5 both ends of support column offer threaded hole, and support column 5 is set to reflective back plane 2 and day
Between linear array member 301, the threaded hole at both ends is opposite with first through hole 6 and the second through-hole 201 respectively；5 one end of support column passes through spiral shell
Nail 7 is fixed with reflective back plane 2, and the other end is connected by screw 7 with bay 301.
In addition, a kind of specific connection type of SMA connector 4 is, SMA connector 4 includes inner conductor 401,402 and of medium
Flange 403；Aperture third through-hole 8 identical with 401 diameter of inner conductor is offered at feeding point 303, reflective back plane 2 and third are logical
The corresponding position in hole 8 offers fourth hole 202；402 one end of medium passes through fourth hole 202, and the other end fits in feeding point
303 back side；Flange 403, which is arranged, to be fixed on outside medium 402, and 202 two sides of fourth hole are opened up there are two threaded hole 203, method
Orchid 403 cooperates the back side for being fixed on reflective back plane 2 by bolt and threaded hole 203；401 one end of inner conductor passes through third through-hole 8
It is fixed on 402 top of medium, is equipped with screw thread outside the other end, nut 404 and described be threadedly engaged are connected to outside inner conductor 401
Portion, nut 404 fit in the front of feeding network 302.Since there are many forms for SMA connector 4, can carry out according to the needs of use
Appropriate adjustment.
Such as Fig. 1 and Fig. 2, H is the spacing of aerial array 3 and reflective back plane 2, and value can influence the standing-wave ratio of antenna；t
For the width of feeding network 302；L is the length of bay 301, for adjusting the frequency of resonance；W is bay 301
Width, for adjusting the standing-wave ratio of antenna；The value of above-mentioned H, t, W and L can be by HFSS design of Simulation, according to using need
Ask determining.
The specific manufacturing process of above-mentioned telemetering antenna are as follows:
(1) suitable solid metallic plate is selected on demand, and determines antenna size, is determined according to design requirement design of Simulation
H, the value of t, W and L, and bearing zone as needed determines the arrangement group battle array of aerial array 3；
(2) it is cut with cutting machine or carving machine, obtains the bay 301 and feeding network 302 of integral type, i.e. day
Linear array 3；
(3) punching obtains third through-hole 8, the ruler of third through-hole 8 among the feeding network 302 at 3 center of aerial array
It is very little identical as 401 outer diameter of inner conductor；
(4) it punches to obtain first through hole 6 at the center of each bay 301, corresponding position is beaten in reflective back plane 2
Hole is denoted as the second through-hole 201；
(5) bay 301 is placed on 2 top of reflective back plane, according to shown in Fig. 1, mounting screw 7 and support column 5 are fixed
Bay, SMA connector 4 are fixed；The geometric center of all bays 301 of metal plate is all high frequency zero potential, can be exhausted
Edge can also be electrically connected, and will not be impacted to the performance of telemetering antenna, if screw 7 is metal material herein, preferably
M4 screw below.
(6) SMA connector 4 is installed at feeding point 8, nut 404 is tightened outside inner conductor 401, nut 404 is made to be close to feedback
Upper surface at electricity point 8；
(7) use low loss dielectric antenna house 1, be coupled on reflective back plane 2, can glue be encapsulated in reflective back plane 2
On.
Embodiment one
It is telemetering and the direction finding single antenna of two antenna array 3 as shown in Figure 2, the aluminium sheet using whole 2mm thickness is added
Work obtains the entirety of bay 301 and feeding network 302, fixed with support column 5 and SMA connector 4, leads at feeding point 303
Cross SMA connector 4, transfer energy to feeding network 302, feeding network 302 transfer energy to again bay 301 and to
The function of external radiation realization telemetering；In addition, two aerial arrays 3 laterally arranged can carry out direction finding in the horizontal direction.Root
According to antenna array pattern shown in Fig. 4, the antenna array gain of the present embodiment is up to 19dBi.As Fig. 5, Fig. 6 and Fig. 7 distinguish
Be the present embodiment antenna and directional diagram, poor directional diagram and and than poor directional diagram, it can be seen that 1 ° of direction of every deviation is corresponding
Changed power, it is known that the direction finder sensitivity of the present embodiment is fine.To sum up, the integral aerial of the present embodiment can combine
The telemetering of high-gain and sensitive direction-measuring function are fed by two feeder lines, and antenna can increase the gain of 3dBi.
Embodiment two
It is telemetering and the direction finding single antenna of four aerial arrays 3 as shown in Figure 8, is carried out using the aluminium sheet of whole 0.5mm thickness
Processing obtains the entirety of bay 301 and feeding network 302, fixed with support column 5 and SMA connector 4, at feeding point 303
By SMA connector 4, feeding network 302 is transferred energy to, feeding network 302 transfers energy to bay 301 simultaneously again
The function of telemetering is realized to external radiation.In the present embodiment, water can be determined by direction finding in two aerial arrays 3 laterally arranged
Square to pitch angle capable of being determined by direction finding in two aerial arrays 3 of pitch orientation, to realize while to level
With pitch orientation direction finding；Meanwhile each aerial array 3 of the present embodiment can be realized telemetry function again, and then realize telemetering and survey
To single antenna.It is fed by four feeder lines, antenna can increase the gain of 6dBi.
The arrangement of aerial array 3 is not limited to above-described embodiment one and embodiment two in the present invention: (1) horizontal direction finding, real
It applies and illustrates the arrangement mode of a kind of telemetering and horizontal direction finding in example one, the aerial array 3 in Fig. 2 can be arranged in the horizontal direction more
Group, group number coverage area as needed determine；(2) pitching direction finding, as shown in figure 9, array antenna array 3 can be real along longitudinal direction
The direction finding of existing pitch orientation, the coverage area that the group number of same aerial array 3 can be as needed determine；(3) it has both level and bows
Face upward direction finding, can be the arrangement mode as illustrated by Fig. 8 embodiment two, can also be mode shown in Fig. 10, only with implementation
The angle of coverage of example two is different, other uniline multiple rows similar with Figure 10 or single-row multirow arrangement mode are also able to satisfy and have both
Horizontal and pitching direction finding requirement.The position of above-mentioned (1) and (2), different antennae array 3 is different, for different wave directions, often
A 3 received signal phase information of aerial array is also different, calculates wave according to the phase of received signal difference information of aerial array 3
Direction, to achieve the effect that direction finding.
Single antenna of the invention, can according to the needs of use, i.e., telemetering demand and bearing zone demand carry out any group
On the one hand battle array improves antenna gain by group battle array, on the other hand increases bearing zone.Each bay 301 is required to pass through
HFSS emulation determines long and width, so that the default frequency range of resonance frequency covering, equivalent about half of the length and width of each bay 301
Wavelength.In addition, except using aluminium as reflective back plane 2, bay 301 and feeding network 302 in embodiment one and embodiment two
It outside, can also be using other solid metallic materials such as iron plate, steel plate or copper sheet, since aluminium sheet is cheap and processing convenience in embodiment
Preferably, the solid metallic material thickness of selection can be selected as needed, can be 0.5mm, 1mm, 2mm, 3mm
Or any thickness in 4mm.
In addition, in order to which beautiful and loss of weight, aerial array 3 are securable to the surface of same reflection backboard 2, mutiple antennas battle array
Column 3 can share a reflective back plane 2.
Telemetering and direction finding single antenna of the invention has both telemetering by the group battle array arrangement to aerial array 3 and increases communication
The function of distance and multidimensional direction finding, while there is gain more higher than micro-strip array antenna and other classification antennas, and bandwidth
Widen 2-3 times.Furthermore, it is not necessary that the large scale pcb board that processing is expensive, is simply machined only with relatively thin metal plate
, maximumlly reduce processing cost, without welding in process, it is numerous to solve assembly and adjustment for assembly and its simple
It is miscellaneous, weight is big, size is big, at high cost, narrow bandwidth and installation it is inconvenient to carry a series of problems, such as.
The above description is only an embodiment of the present invention, and it is not intended to limit the protection scope of the present invention, all to utilize the present invention
Equivalent structure transformation made by specification and accompanying drawing content, is applied directly or indirectly in other relevant technical fields, and wraps
It includes in scope of patent protection of the invention.
Claims (8)
1. a kind of telemetering and direction finding single antenna, it is characterised in that: including antenna house (1), reflective back plane (2) and multiple groups antenna array
It arranges (3)；
Multiple groups aerial array (3) be fixed on the surface of reflective back plane (2) and with reflective back plane (2) keeping parallelism；Reflective back plane
(2) it is packaged in antenna house (1) with multiple groups aerial array (3)；
Transversely uniformly arrangement is a line to multiple groups aerial array (3),
Or uniformly arrangement is a column along longitudinal direction,
Or distinguish and transversely, longitudinally arrange in uniline multiple row,
Or distinguish and transversely, longitudinally arrange in single-row multirow,
Or respectively transversely, longitudinal arrangement be a matrix；
Aerial array (3) includes feeding network (302) and several bays (301)；Bay (301) is arranged in ranks,
The bay (301) of each column is sequentially connected by feeding network (302), and the bay (301) respectively arranged passes through feeding network
(302) in parallel；Bay (301) and feeding network (302) are an integral structure；Bay (301), feeding network
(302) and reflective back plane (2) is solid metallic material, thickness and feeding network (302) the thickness phase of bay (301)
Together；
Feeding point (303) are equipped at the center of feeding network (302)；Pass through SMA connector (4) and reflection at feeding point (303)
Backboard (2) is connected.
2. a kind of telemetering and direction finding single antenna as described in claim 1, it is characterised in that: further include the branch of multiple ABS materials
Dagger (5)；Bay (301) center offers first through hole (6), and reflective back plane (2) is in position corresponding with first through hole (6)
Set and offer the second through-hole (201), support column (5) both ends offer threaded hole, support column (5) be set to reflective back plane (2) and
Between bay (301), the threaded hole at both ends is opposite with first through hole (6) and the second through-hole (201) respectively；Support column (5)
One end is fixed by screw (7) and reflective back plane (2), and the other end is connected by screw (7) with bay (301).
3. a kind of telemetering and direction finding single antenna as claimed in claim 2, it is characterised in that: the screw (7) is that M4 is below
Metallic screw.
4. a kind of telemetering and direction finding single antenna as described in claim 1, it is characterised in that: SMA connector (4) includes inner conductor
(401), medium (402) and flange (403)；
Offer aperture third through-hole (8) identical with inner conductor (401) diameter at feeding point (303), reflective back plane (2) and the
The corresponding position of three through-holes (8) offers fourth hole (202)；
Medium (402) one end passes through fourth hole (202), and the other end fits in the back side of feeding point (303)；
Flange (403), which is arranged, is fixed on medium (402) outside, and fourth hole (202) two sides are opened up there are two threaded hole (203),
Flange (403) is fixed on the back side of reflective back plane (2) by bolt and threaded hole (203) cooperation；
Inner conductor (401) one end passes through third through-hole (8) and is fixed at the top of medium (402), and screw thread, nut are equipped with outside the other end
(404) it is connected to inner conductor (401) outside with described be threadedly engaged, nut (404) fits in the front of feeding network (302).
5. a kind of telemetering and direction finding single antenna as described in claim 1, it is characterised in that: several aerial arrays (3) are solid
Due to the surface of same reflection backboard (2).
6. a kind of telemetering and direction finding single antenna as described in claim 1, it is characterised in that: the bay (301), feed
The material of network (302) and reflective back plane (2) is aluminium.
7. a kind of telemetering and direction finding single antenna as described in claim 1, it is characterised in that: the side of the bay (301)
The long half for being equivalent to default covering band wavelength.
8. a kind of telemetering and direction finding single antenna as described in claim 1, it is characterised in that: the antenna house (1) using ABS or
Epoxy glass fabric material.
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| CN201910696276.0A CN110364805A (en) | 2019-07-30 | 2019-07-30 | A kind of telemetering and direction finding single antenna |
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| CN201910696276.0A CN110364805A (en) | 2019-07-30 | 2019-07-30 | A kind of telemetering and direction finding single antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111060866A (en) * | 2020-03-16 | 2020-04-24 | 南京万自联电子科技有限公司 | Double-channel wireless communication direction-finding system and direction-finding method thereof |
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