CN207504180U - A kind of antenna assembly for anti-unmanned plane passive detection and positioning - Google Patents
A kind of antenna assembly for anti-unmanned plane passive detection and positioning Download PDFInfo
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- CN207504180U CN207504180U CN201721732287.2U CN201721732287U CN207504180U CN 207504180 U CN207504180 U CN 207504180U CN 201721732287 U CN201721732287 U CN 201721732287U CN 207504180 U CN207504180 U CN 207504180U
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Abstract
The utility model discloses a kind of antenna assembly for anti-unmanned plane passive detection and positioning, including bottom plate, base member, first installing plate, second installing plate, multiple low-frequency antenna array elements, multiple intermediate frequency bays and multiple high frequency antenna array elements, base member is fixedly mounted on bottom plate, first installing plate, second installing plate passes through base member arranged for interval from top to bottom, by each intermediate frequency bay, each high frequency antenna array element forms one group of bay, each low-frequency antenna array element forms one group of bay, and it is divided between the first installing plate and the second installing plate, between second installing plate and bottom plate.The utility model can realize the omnidirectional detection and positioning to unmanned plane, and have many advantages, such as that simple and compact for structure, at low cost, small, detection range is remote and direction finding precision is high and mounting arrangements are convenient.
Description
Technical field
The utility model is related to unmanned plane detections and field of locating technology more particularly to one kind passively to visit for anti-unmanned plane
The antenna assembly surveyed and positioned.
Background technology
Anti- unmanned plane passive detection and positioning are that unmanned plane is detected, is positioned.In recent years, as unmanned plane manufactures
Cost drastically decline and the continuous promotion of performance, it is anti-that unmanned plane has gradually been used in agrisilviculture, border patrol, public security
Probably, in the various application places such as management detection and maintenance, searching rescue, become professional equipment, the life tool of industry-by-industry,
Allow to greatly save the time, improve working efficiency, if but unmanned plane use is not limited and incorrect use,
Unmanned plane is then likely to become the air armament of great danger, there is at present multiclass unmanned plane it is incorrect using and to machine
Field, prison and government department etc. cause the event of extreme loss, interfere civil aviaton's flight if unmanned plane enters in airport, cause more
A postponements of flights make a return voyage and force-land, thus need to detect unmanned plane in public and position with strengthen prevention and control and
Security protection guarantee.
Since unmanned plane belongs to low small slow target, flying height compares, and relatively low, small, speed is slow, the prior art
In be typically to be detected using large-scale array radar, while to realize precise positioning, usually need to be in pitching face or orientation
Multigroup array antenna is placed on face, this can cause the overall volume of entire antenna system big, high precision machining, of high cost.Have from
Dealer's proposition uses the antenna assembly based on radio direction-finding system, but since the figure biography and observing and controlling information of unmanned plane transmitting are deposited
In multiple frequency ranges, ultra-wideband antenna orientation angle is big, gain is low, can cause that the detection range of entire antenna assembly is near, direction finding
Precision is low, carries out direction finding according to multiple directional aerials, although direction finding precision and detection range can be improved, antenna is total
Angle of coverage range only has 120o, and either 180o will realize that omnidirectional's detection then needs 3 or 2 same antenna assemblies in area
It arranges in domain, thus antenna assembly is of high cost and installation configuration is complicated.
Utility model content
The technical problems to be solved in the utility model is that：For technical problem of the existing technology, this practicality is new
Type provide it is a kind of it is simple and compact for structure, at low cost, small, detection range is remote, direction finding precision is high and is easily installed the use of arrangement
In the antenna assembly of anti-unmanned plane passive detection and positioning.
In order to solve the above technical problems, the utility model proposes technical solution be：
A kind of antenna assembly for anti-unmanned plane passive detection and positioning, including bottom plate, base member, the first installation
Plate, the second installing plate, multiple low-frequency antenna array elements, multiple intermediate frequency bays and multiple high frequency antenna array elements, the centre
Fixing piece is fixedly mounted on the bottom plate, first installing plate, the second installing plate by the base member from up to
Lower arranged for interval forms an antenna array tuple, each described low by each intermediate frequency bay, each high frequency antenna array element
Frequency bay forms an antenna array tuple, and is divided between first installing plate and second installing plate, is described
Between second installing plate and the bottom plate.
As further improvement of the utility model：Each bay is according to interval 360 °/N angles in the antenna array tuple
Degree is arranged to form circle distribution, and wherein N is the quantity of bay in the antenna array tuple.
As further improvement of the utility model：Be further fixedly arranged on the base member respectively with it is each described low
The low frequency switch switching circuit of frequency bay connection, for controlling the gating of each low-frequency antenna array element.
As further improvement of the utility model：The low frequency switch switching circuit is arranged in the first base of center opening
In plate, the first substrate is plugged on the base member, and each low-frequency antenna array element is using the first substrate as circle
Circle distribution is formed centrally, the first substrate is equipped with first choice output port, defeated by the first choice output port
Go out the signal of the low-frequency antenna array element of gating.
As further improvement of the utility model：Be additionally provided on the base member IF switch switching circuit,
HF switch switching circuit, the IF switch switching circuit are connect respectively with each intermediate frequency bay, each for controlling
The gating of the intermediate frequency bay, the HF switch switching circuit is connect with each high frequency antenna array element, for controlling
The gating of each high frequency antenna array element.
As further improvement of the utility model：The IF switch switching circuit, HF switch switching circuit difference
Correspondence is arranged in a substrate, and the selection output port for exporting the array element signal gated is provided on the substrate,
Each substrate is plugged on the base member, the IF switch switching circuit, HF switch switching circuit respectively with
The corresponding substrate forms circle distribution for the center of circle.
As further improvement of the utility model：Each intermediate frequency bay is mutually handed over each high frequency antenna array element
Mistake arrangement.
As further improvement of the utility model：Each intermediate frequency bay is specifically arranged in two high frequencies
The middle position of bay, the intermediate frequency bay are identical with the quantity of the high frequency antenna array element.
As further improvement of the utility model：Antenna house is further included, the bottom plate forms closed with the antenna house
Cavity, to arrange the base member, the first installing plate, the second installing plate, each low-frequency antenna array element, each intermediate frequency
Bay and each high frequency antenna array element.
As further improvement of the utility model：It is respectively provided on the bottom plate, the first installing plate and the second installing plate
There is locating groove, each bay is fixedly arranged on first installing plate and second installing plate by the locating groove
Between, between second installing plate and the bottom plate.
As further improvement of the utility model：The locating groove includes setting the low-frequency antenna array element
First locating groove, for the second locating groove for setting the intermediate frequency bay and for setting the high frequency antenna battle array
The third locating groove of member.
Compared with prior art, the utility model has the advantage of：
1）The utility model antenna assembly is configured with multiple low-frequency antenna array elements, multiple intermediate frequency bays and more simultaneously
A high frequency antenna array element so that low frequency signal, intermediate-freuqncy signal and high-frequency signal can be received by a set of antenna assembly simultaneously, from
And realize accurate unmanned plane detection and positioning, direction finding precision and detection range are effectively improved, while by making low-frequency antenna
Array element, intermediate frequency bay and high frequency antenna array element are divided between the first installing plate and the second installing plate, the second installing plate with
Between bottom plate, layering setting structure is formed, can effectively realize the isolation between signal, reduces low frequency, intermediate frequency, high frequency antenna array element
Between coupling, while cause the compact-sized, small of entire antenna assembly, and be easily installed arrangement.
2）The utility model antenna assembly further press by each low-frequency antenna array element, intermediate frequency bay, high frequency antenna array element
According to interval 360o/N angle be respectively arranged between the second installing plate and bottom plate, the first installing plate and the second installing plate it
Between, circle distribution is formed, the investigative range of 360o can be covered in three low frequency, intermediate frequency and high frequency frequency ranges simultaneously, so as to make
Obtaining can be realized by a set of antenna assembly to unmanned plane progress 360o omnidirectional's detections and positioning.
3）The utility model antenna assembly further carries out intermediate frequency bay with high frequency antenna array element in the horizontal plane
Interlaced arrangement compared to traditional by intermediate frequency antenna, high frequency antenna independently set-up mode, can fully consider difference
Size difference carries out spatial position interlaced arrangement between band antenna so that the spatial position between each bay is compact, has
Effect reduces the volume of device, while can greatly reduce the coupling between two adjacent frequency bands antennas, further improves direction finding essence
Degree.
Description of the drawings
Fig. 1 is the present embodiment for anti-unmanned plane passive detection and the installation principle schematic of the antenna assembly of positioning.
Fig. 2 is the present embodiment for anti-unmanned plane passive detection and the structure diagram of the antenna assembly of positioning.
Fig. 3 is the principle schematic that low-frequency antenna array element is arranged in the present embodiment.
Fig. 4 is the present embodiment intermediate frequency bay and the concrete structure schematic diagram of high frequency antenna array element arrangement.
Fig. 5 is the present embodiment intermediate frequency bay and the principle schematic of high frequency antenna array element arrangement.
Marginal data：1st, bottom plate；2nd, base member；3rd, the first installing plate；4th, the second installing plate；5th, low-frequency antenna battle array
Member；6th, intermediate frequency bay；7th, high frequency antenna array element；8th, low frequency switch switching circuit；81st, first substrate；811st, first choice
Output port；9th, IF switch switching circuit；10th, HF switch switching circuit；11st, third substrate；111st, third selection output
Port；12nd, antenna house；13rd, locating groove；131st, the first locating groove；132nd, the second locating groove；133rd, third positioning card
Slot；14th, fixed column.
Specific embodiment
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment, but not because
This and limit the scope of protection of the utility model.
As shown in Fig. 1~5, the present embodiment for the antenna assembly of anti-unmanned plane passive detection and positioning include bottom plate 1, in
Between fixing piece 2, the first installing plate 3, the second installing plate 4, multiple low-frequency antenna array elements 5, multiple intermediate frequency bays 6 and multiple
High frequency antenna array element 7, base member 2 are fixedly mounted on bottom plate 1, and the first installing plate 3, the second installing plate 4 are solid by centre
Determine the arranged for interval from top to bottom of part 2, an antenna array tuple, each is formed by each intermediate frequency bay 6, each high frequency antenna array element 7
Low-frequency antenna array element 5 forms an antenna array tuple, and is divided between the first installing plate 3 and the second installing plate 4, the second installation
Between plate 4 and bottom plate 1.
The present embodiment above structure antenna assembly, by being configured with multiple low-frequency antenna array elements 5, multiple intermediate frequency antennas simultaneously
Array element 6 and multiple high frequency antenna array elements 7 so that by a set of antenna assembly can receive simultaneously low frequency signal, intermediate-freuqncy signal with
And high-frequency signal, it detects and positions so as to fulfill accurate unmanned plane, effectively improve direction finding precision and detection range, lead to simultaneously
Crossing makes low-frequency antenna array element 5 be divided into the first installing plate 3 and the second installing plate 4 with intermediate frequency bay 6, high frequency antenna array element 7
Between, between the second installing plate 4 and bottom plate 1, form layering setting structure, can effectively realize the isolation between signal, reduce low
Frequently, the coupling between intermediate frequency, high frequency antenna array element, while cause the compact-sized, small of entire antenna assembly, it may be convenient to
Carry out mounting arrangements.
In the present embodiment, each bay is arranged to form circle according to interval 360o/N angles in antenna array tuple
Week distribution, wherein N are the quantity of bay in antenna array tuple, and the quantity of bay specifically can be by individual antenna array element
Beam angle be determined, if antenna bearingt face detection angle is 360o, bay beam angle is bo, then bay
Quantity specifically can use N=360/b, N is positive integer.It will each low-frequency antenna array element 5, intermediate frequency bay 6, high frequency antenna battle array
Member 7 is arranged to form circle distribution, can be covered simultaneously in three low frequency, intermediate frequency and high frequency frequency ranges according to interval 360o/N angles
The investigative range of 360o, so that can be realized in azimuth plane by a set of antenna assembly complete to unmanned plane progress 360o
To detection and positioning, and then realize unmanned plane direction finding.
In the present embodiment, each low-frequency antenna array element 5 is arranged between the second installing plate 4 and bottom plate 1, each intermediate frequency bay
6th, each high frequency antenna array element 7 is provided between the first installing plate 3 and the second installing plate 4, i.e., each low-frequency antenna array element 5 according to
In the first area of space for being arranged between the second installing plate 4 and bottom plate 1 every 360o/N angles, between each low-frequency antenna array element 5
Circle distribution is formed, each intermediate frequency bay 6, each high frequency antenna array element 7 are arranged in the first installation according to interval 360o/N angles
In second space region between 3 and second installing plate 4 of plate, formed between each intermediate frequency bay 6, each high frequency antenna array element 7
Circle distribution.Certainly in other embodiments, can also low-frequency antenna array element 5 be arranged on by the first installing plate according to actual demand
3 and second between installing plate 4, and intermediate frequency bay 6, each high frequency antenna array element 7 are arranged between the second installing plate 4 and bottom plate 1.
The quantity configuration of the present embodiment intermediate frequency bay 6 and high frequency antenna array element 7 be it is identical, low-frequency antenna array element 5 with
Intermediate frequency bay 6, high frequency antenna array element 7 quantity may be the same or different, can specifically be determined according to actual demand.
The specific low-frequency antenna array element 5 of the present embodiment, intermediate frequency bay 6, high frequency antenna array element 7 quantity N be 6, each antenna
3dB beam angles are configured according to required direction finding precision and maximum detectable range in array element（The present embodiment is specially 60o）And increase
Benefit, altogether comprising 18 bays, the bay of similar frequency bands is uniformly distributed entire antenna assembly in azimuth plane, and every
Installation direction difference between a identical array-element antenna is identical with the 3dB beam angles of bay, so as to form 3 in azimuth plane
The amplitude-comprised direction-finding aerial array of 360o is covered simultaneously.
In concrete application embodiment, base member 2 uses centered cylinder, is fixed on the center of bottom plate 1, the
One installing plate 3, the second installing plate 4 are using disc structure, and corresponding is the first disk, the second disk, centered on centered cylinder
Upper and lower interval distance to a declared goal fixes the first disk, the second disk successively, and the first space region is formed between the second disk and bottom plate 1
Domain forms second space region between the first disk and the second disk, each low-frequency antenna array element 5 is according to interval 360o/N angles
It is arranged in the first area of space, each intermediate frequency bay 6, each high frequency antenna array element 7 are arranged according to interval 360o/N angles
In second space region.
In the present embodiment, the low frequency being connect respectively with each low-frequency antenna array element 5 is further fixedly arranged on base member 2 and is opened
Switching circuit 8 is closed, for controlling the gating of each low-frequency antenna array element 5, each low-frequency antenna array element 5 is with low frequency switch switching circuit 8
Circumferentially be distributed for the center of circle, i.e., each low-frequency antenna array element 5 with low frequency switch switching circuit 8 for the center of circle according to interval 360o/N1Angle
Degree arrangement, N1Quantity for low-frequency antenna array element 5.
In the present embodiment, correspondence is arranged in a substrate respectively for IF switch switching circuit 9, HF switch switching circuit 10
In, the selection output port for exporting the array element signal gated is provided on substrate, each substrate is plugged in intermediate fixation
On part 2, IF switch switching circuit 9, HF switch switching circuit 10 form circle distribution by the center of circle of corresponding substrate respectively.
As shown in Figure 2,3, the specific low frequency switch switching circuit 8 of the present embodiment is arranged in the first substrate 81 of center opening, the first base
Plate 81 is specially discoid, and each low-frequency antenna array element 5 forms circle distribution with first substrate 81 for the center of circle, is set on first substrate 81
There are multiple first choice output ports 811, pass through the letter of the low-frequency antenna array element 5 of the output gating of first choice output port 811
Number.The present embodiment specifically includes 6 low-frequency antenna array elements 5（51 ~ antenna of antenna 56）, each antenna bearingt surface wave beam angle of coverage
For 60o, covering frequence ranging from 840MHz ~ 930MHz, low frequency switch switching circuit 8 is specially 6 to select 4 circuits, is provided with 4 the
One selection output port 811, realizes the output of 4 channels, passes through radio frequency between low-frequency antenna array element 5 and low frequency switch switching circuit 8
Cable is attached, and low frequency switch switching circuit 8 accesses the signal of No. 6 low-frequency antenna array elements 5, and gating wherein 4 road signals pass through
First choice output port 811 exports.To reduce the volume of bay, further traditional antenna can minimize excellent
Change design.
In the present embodiment, IF switch switching circuit 9, HF switch switching circuit 10 are additionally provided on base member 2,
IF switch switching circuit 9 is connect respectively with each intermediate frequency bay 6, for controlling the gating of each intermediate frequency bay 6, high frequency
Switch switching circuit 10 is connect with each high frequency antenna array element 7, for controlling the gating of each high frequency antenna array element 7.Each intermediate frequency antenna
Array element 6 is circumferentially distributed with IF switch switching circuit 9 for the center of circle, i.e., each intermediate frequency bay 6 is with IF switch switching circuit 9
Be the center of circle according to interval 360o/N2Angle arrangement, N2For the quantity of intermediate frequency bay 6, each high frequency antenna array element 7 is with high frequency
Switch switching circuit 10 is circumferentially distributed for the center of circle, i.e., each high frequency antenna array element 7 is pressed with HF switch switching circuit 10 for the center of circle
According to interval 360o/N3Angle arrangement, N3Quantity for high frequency antenna array element 7.
As shown in Fig. 2,5, in the present embodiment, IF switch switching circuit 9 is arranged in the second substrate of center opening, the
Two substrates are specially discoid, and second substrate is plugged on base member 2, and each intermediate frequency bay 6 is respectively with second substrate
Circle distribution is formed for the center of circle, second substrate is equipped with the multiple second selection output ports, defeated by the second selection output port
Go out the signal of the intermediate frequency bay 6 of gating.
In the present embodiment, HF switch switching circuit 10 is arranged in the third substrate 11 of center opening, third substrate 11
Specially discoid, third substrate 11 is plugged on base member 2, and each high frequency antenna array element 7 is respectively with third substrate 11
The center of circle forms circle distribution, and third substrate 11 is equipped with multiple thirds and selects output port 111, and output port is selected by third
The signal of the high frequency antenna array element 7 of 111 output gatings；Third substrate 11 is arranged at intervals with second substrate to be upper and lower, third substrate
Order of placement between 11 and second substrate can be set according to actual demand.Certainly in other embodiments, IF switch switching
Circuit 9, HF switch switching circuit 10 can also be arranged in same substrate, to be further reduced device volume, improve device
Structural compactness.
The specific IF switch switching circuit 9 of the present embodiment, HF switch switching circuit 10 are 6 to select 4 circuits, IF switch
Switching circuit 9 accesses the signal of 6 road intermediate frequency bays 6, and gating wherein 4 tunnels are exported by the second selection output port, high frequency
Switch switching circuit 10 accesses the signal of No. 6 high frequency antenna array elements 7, and gating wherein 4 tunnels select output port 111 defeated by third
Go out.SMA ports specifically can be used in second selection output port, third selection output port 111, i.e., intermediate frequency bay 6 is in
Frequency switch switching circuit 9 is directly connected to by SMA connectors, and high frequency antenna array element 7 passes through SMA with HF switch switching circuit 10
Connector is directly connected to, and realizes that intermediate frequency bay 6, high frequency antenna array element 7 are maintained at a central horizontal face by SMA connectors
On.
As shown in Fig. 2,5, each intermediate frequency bay 6 and each high frequency antenna array element 7 are specifically in same water in the present embodiment
Interlaced arrangement in plane, i.e., each intermediate frequency bay 6 and each high frequency antenna array element 7 are interlaced staggered to be set
It puts.Since 7 size of high frequency antenna array element will be significantly less than 6 size of intermediate frequency bay, 7 intermediate frequency bay of high frequency antenna array element
Required the space occupied volume depends on intermediate frequency bay 6 during 6 arrangements, and the present embodiment is by intermediate frequency bay 6 and high frequency
Bay 7 carries out interlaced arrangement in the horizontal plane, independently sets intermediate frequency antenna, high frequency antenna compared to traditional
Mode is put, size difference carries out spatial position interlaced arrangement between can fully considering different frequency range antenna so that each antenna array
Spatial position between member is compact, effectively reduces the volume of device, while can greatly reduce between two adjacent frequency bands antennas
Coupling, further improve direction finding precision.Each intermediate frequency bay 6 is specifically arranged in the centre of two high frequency antenna array element 7
At position, to be further ensured that the compactedness of apparatus structure.
As shown in figure 5, the present embodiment specifically sets 6 intermediate frequency bays, 6,6 high frequency antenna array elements 7, intermediate frequency antenna
Array element 6 includes 60 ~ antenna of antenna 65, covering frequence ranging from 2400MHz ~ 2520MHz, each antenna bearingt surface wave beam cone of coverage
Degree is 60o；High frequency antenna array element 7 includes 70 ~ antenna of antenna 75, covering frequence ranging from 5700MHz ~ 5900MHz, Mei Getian
Line azimuth plane wave cover angle is also 60o, and 6 intermediate frequency bays 6 and 6 high frequency antenna array elements 7 are opened respectively with intermediate frequency
It closes switching circuit 9 and 10 center of circle of HF switch switching circuit is circumferentially distributed, each intermediate frequency bay 6 is placed on two high frequencies
The middle of bay 7 and interval high frequency antenna array element 7 are 30 ° of horizontal centres placements, i.e. intermediate frequency bay 6 and high frequency
Bay 7 differs 30o, and IF switch switching circuit 9, HF switch switching circuit 10 are separately positioned on second substrate（In figure
It is not shown）, and be six radio circuits for selecting four on third substrate 11, the second selection output port, third selection output port
111 be four, realizes the output of 4 channels.
In the present embodiment, antenna house 12 is further included, bottom plate 1 forms closed cavity with antenna house 12, intermediate fixed with arrangement
Part 2, the first installing plate 3, the second installing plate 4, each low-frequency antenna array element 5, each intermediate frequency bay 6 and each high frequency antenna array element
7。
The present embodiment low-frequency antenna array element 5, intermediate frequency bay 6, high frequency antenna array element 7 are specific to use directional aerial,
Wherein low-frequency antenna array element 5 is wide compact directional antenna, and intermediate frequency bay 6 and high frequency antenna array element 7 are narrowband orientation day
Line, aerial array are printed on high frequency substrate.
As shown in Fig. 2, positioning card is both provided on the present embodiment bottom plate 1, the first installing plate 3 and the second installing plate 4
Slot 13, each low-frequency antenna array element 5 are arranged in by locating groove 13 between the second installing plate 4 and bottom plate 1, each intermediate frequency bay
6 and high frequency antenna array element 7 be arranged between the first installing plate 3 and the second installing plate 4 by the way that locating groove 13 is interlaced.
Locating groove 13 is specifically included for setting the first locating groove 131 of low-frequency antenna array element 5, for setting intermediate frequency bay
6 the second locating groove 132 and the third locating groove 133 for setting high frequency antenna array element 7, the first locating groove 131
Correspondence is arranged on 1 and second installing plate 4 of bottom plate respectively, and the top of low-frequency antenna array element 5 is fixed on the second installing plate 4
Upper and lower part is fixed on bottom plate 1, and the second locating groove 132 is correspondingly arranged at the first installing plate 3, on the second installing plate 4 respectively,
The top of intermediate frequency bay 6 is fixed on the first installing plate 3, lower part be fixed on the second installing plate 4, third locating groove
133 it is corresponding respectively be arranged in the first installing plate 3, on the second installing plate 4, the top of high frequency antenna array element 7 is fixed on first
Installing plate 3, lower part are fixed on the second installing plate 4, wherein the first locating groove 131 is matched for length with low-frequency antenna array element 5
Card slot, the second locating groove 132 be 6 matched card slot of length and intermediate frequency bay, third locating groove 133 is multiple to open
If slotted locating piece, each locating piece arranged for interval is fixed high frequency antenna array element 7 with coordinating so that intermediate frequency bay 6,
The mounting height matching of high frequency antenna array element 7, while the volume of locating piece, weight are small, can be further reduced the weight of device.
As shown in Figure 1, 2, the present embodiment said antenna device specifically forms a confined air by antenna house 12 and bottom plate 1
Chamber arranges centered cylinder as base member 2 in cavity, and centered cylinder is vertically fixed on bottom plate 1, in centered cylinder
The first disk using centered on cylinder is fixed with as the first installing plate 3 and the second disk as the second installing plate 4, first to justify
It is reinforced respectively by fixed column 14 between disk, the second disk and between the second disk and bottom plate 1, the second disk and bottom plate
The first area of space is formed between 1, second space region is formed between the first disk, the second disk；Divide in first area of space
It is furnished with low frequency switch switching circuit 8 and 6 low-frequency antenna array elements 5, low frequency switch switching circuit 8 is fixed in centered cylinder and sets
It is placed in discoid first substrate 81, each low-frequency antenna array element 5 is circumferentially distributed with first substrate 81 for the center of circle, and passes through the
Two disks are fixed with the first locating groove 131 on bottom plate 1；
Second space area distribution has IF switch switching circuit 9,6 intermediate frequency bays 6, HF switch switching circuits
10 and 6 high frequency antenna array elements 7, IF switch switching circuit 9 and HF switch switching circuit 10 be separately positioned on second substrate,
Third substrate 11 is simultaneously fixed in centered cylinder, and each intermediate frequency bay 6, high frequency antenna array element 7 are respectively with second substrate, third
Substrate 11 is circumferentially distributed for the center of circle, and fixed by the second locating groove 132 on the first disk, the second disk, third respectively
Position card slot 133 is fixed, and the installation direction difference per two neighboring intermediate frequency bay 6 is identical and is 60 °, per adjacent two
The installation direction difference of a high frequency antenna array element 7 is identical and is 60 °, and intermediate frequency bay 6 is with high frequency antenna array element 7 same
It is intertwined in a horizontal plane, each intermediate frequency bay 6 is placed on the middle of two high frequency antenna array element 7, adjacent
The central axes of two intermediate frequency bays 6 and high frequency antenna array element 7 are located in same horizontal plane and 30 ° of difference, pass through switch
Switching circuit completes the gating of common-frequency aerial array element.
By using said antenna device, three low frequency, intermediate frequency, high frequency frequency ranges are can be achieved at the same time to the 360o of unmanned plane
Omnidirectional detection and positioning, and detection accuracy is high, direction finding distance is remote, while can greatly improve the structural compactness of device,
So that device volume is small, mounting arrangements are convenient.
Limitation in any form is not made the utility model in the preferred embodiment of above-mentioned only the utility model.Though
So the utility model has been disclosed with preferred embodiment as above, however is not limited to the utility model.Therefore, it is every without departing from
The content of technical solutions of the utility model any is simply repaiied according to the utility model technical spirit is made to the above embodiment
Change, equivalent variations and modification, should all fall in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of antenna assembly for anti-unmanned plane passive detection and positioning, it is characterised in that：Including bottom plate（1）, it is intermediate solid
Determine part（2）, the first installing plate（3）, the second installing plate（4）, multiple low-frequency antenna array elements（5）, multiple intermediate frequency bays（6）With
And multiple high frequency antenna array elements（7）, the base member（2）It is fixedly mounted on the bottom plate（1）On, first installing plate
（3）, the second installing plate（4）Pass through the base member（2）Arranged for interval from top to bottom, by each intermediate frequency bay
（6）, each high frequency antenna array element（7）Form an antenna array tuple, each low-frequency antenna array element（5）Form an antenna
Array element group, and it is divided into first installing plate（3）With second installing plate（4）Between, second installing plate（4）With institute
State bottom plate（1）Between.
2. the antenna assembly according to claim 1 for anti-unmanned plane passive detection and positioning, it is characterised in that：It is described
Each bay is arranged according to interval 360o/N angles to form circle distribution in antenna array tuple, and wherein N is the day
The quantity of bay in linear array tuple.
3. the antenna assembly according to claim 2 for anti-unmanned plane passive detection and positioning, it is characterised in that：It is described
Base member（2）On be further fixedly arranged on respectively with each low-frequency antenna array element（5）The low frequency switch switching circuit of connection
（8）, for controlling each low-frequency antenna array element（5）Gating.
4. the antenna assembly according to claim 3 for anti-unmanned plane passive detection and positioning, it is characterised in that：It is described
Low frequency switch switching circuit（8）It is arranged in the first substrate of center opening（81）In, the first substrate（81）It is plugged in described
Base member（2）On, each low-frequency antenna array element（5）With the first substrate（81）Circle distribution, institute are formed for the center of circle
State first substrate（81）It is equipped with multiple first choice output ports（811）, pass through the first choice output port（811）It is defeated
Go out the low-frequency antenna array element of gating（5）Signal.
5. the antenna assembly according to claim 3 for anti-unmanned plane passive detection and positioning, which is characterized in that described
Base member（2）On be additionally provided with IF switch switching circuit（9）, HF switch switching circuit（10）, the IF switch
Switching circuit（9）Respectively with each intermediate frequency bay（6）Connection, for controlling each intermediate frequency bay（6）Choosing
It is logical, the HF switch switching circuit（10）With each high frequency antenna array element（7）Connection, for controlling each high frequency antenna
Array element（7）Gating.
6. the antenna assembly according to claim 5 for anti-unmanned plane passive detection and positioning, which is characterized in that described
IF switch switching circuit（9）, HF switch switching circuit（10）Correspondence is arranged in a substrate respectively, is set on the substrate
The selection output port of the array element signal of output gating is useful for, each substrate is plugged in the base member（2）
On, the IF switch switching circuit（9）, HF switch switching circuit（10）It is formed respectively using the corresponding substrate as the center of circle
Circle distribution.
7. the antenna assembly for anti-unmanned plane passive detection and positioning according to any one in claim 2~6,
It is characterized in that：Each intermediate frequency bay（6）And each high frequency antenna array element（7）Interlaced arrangement.
8. the antenna assembly according to claim 7 for anti-unmanned plane passive detection and positioning, it is characterised in that：Each
The intermediate frequency bay（6）Specifically it is arranged in two high frequency antenna array elements（7）Middle position, the intermediate frequency antenna
Array element（6）With the high frequency antenna array element（7）Quantity it is identical.
9. the antenna assembly for anti-unmanned plane passive detection and positioning according to any one in claim 1~6,
It is characterized in that：Further include antenna house（12）, the bottom plate（1）With the antenna house（12）Closed cavity is formed, with described in arrangement
Base member（2）, the first installing plate（3）, the second installing plate（4）, each low-frequency antenna array element（5）, each intermediate frequency day
Linear array member（6）And each high frequency antenna array element（7）.
10. the antenna assembly for anti-unmanned plane passive detection and positioning according to any one in claim 1~6,
It is characterized in that：The bottom plate（1）, the first installing plate（3）And second installing plate（4）On be both provided with locating groove（13）,
Each bay passes through the locating groove（13）It is fixedly arranged on first installing plate（3）With second installing plate（4）
Between, second installing plate（4）With the bottom plate（1）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732287.2U CN207504180U (en) | 2017-12-13 | 2017-12-13 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732287.2U CN207504180U (en) | 2017-12-13 | 2017-12-13 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
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| Publication Number | Publication Date |
|---|---|
| CN207504180U true CN207504180U (en) | 2018-06-15 |
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ID=62509473
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721732287.2U Withdrawn - After Issue CN207504180U (en) | 2017-12-13 | 2017-12-13 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
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| Country | Link |
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| CN (1) | CN207504180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959126A (en) * | 2017-12-13 | 2018-04-24 | 湖南华诺星空电子技术有限公司 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
| CN109244633A (en) * | 2018-11-13 | 2019-01-18 | 湖南华诺星空电子技术有限公司 | Integrated form active antenna device for unmanned plane passive detection |
-
2017
- 2017-12-13 CN CN201721732287.2U patent/CN207504180U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959126A (en) * | 2017-12-13 | 2018-04-24 | 湖南华诺星空电子技术有限公司 | A kind of antenna assembly for anti-unmanned plane passive detection and positioning |
| CN107959126B (en) * | 2017-12-13 | 2024-02-27 | 华诺星空技术股份有限公司 | Antenna device for passive detection and positioning of anti-unmanned aerial vehicle |
| CN109244633A (en) * | 2018-11-13 | 2019-01-18 | 湖南华诺星空电子技术有限公司 | Integrated form active antenna device for unmanned plane passive detection |
| CN109244633B (en) * | 2018-11-13 | 2024-03-26 | 湖南华诺星空电子技术有限公司 | Integrated active antenna device for passive detection of unmanned aerial vehicle |
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