CN207381522U - One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas - Google Patents
One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas Download PDFInfo
- Publication number
- CN207381522U CN207381522U CN201721832570.2U CN201721832570U CN207381522U CN 207381522 U CN207381522 U CN 207381522U CN 201721832570 U CN201721832570 U CN 201721832570U CN 207381522 U CN207381522 U CN 207381522U
- Authority
- CN
- China
- Prior art keywords
- antennas
- antenna
- frequency range
- big dipper
- unmanned plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model discloses one kind to cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas, including antenna module, the antenna module includes two helical antennas being intertwined, the helical antenna is formed as pyramidal structure, and be spirally distributed, two helical antennas connect a SMA K connector respectively.The utility model is integrated in Big Dipper B1 and GPS L1 and wifi frequency range on same antenna, is effectively reduced the number of congenerous antenna to be realized, saves cost.Antenna is arranged in outer shield, and three proofings (mould proof, moisture proof, salt spray proof) ability of antenna is improved after sealing, is improved service life of the antenna outdoors under adverse circumstances, is easily installed, can meet being required for client's proposition.
Description
Technical field
The utility model is related to the multiband microwave irradiation technology fields more particularly to one of small drone interference, compacting
Kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas.
Background technology
As the unlawful activities carried out in recent years using unmanned plane are becoming increasingly rampant, portable anti-unmanned plane weaponry
Progressively attract attention, and anti-unmanned plane electromagnetic interference rifle is exactly one of effective solution.This is a kind of micro- using high power
Wave energy, the multiband microwave radiation device disturbed for small and medium size unmanned aerial vehicles, suppressed.Compared to large sizes such as guided missile, laser
Anti- unmanned plane equipment, anti-unmanned plane electromagnetic interference rifle have more portability, and effective interference range is at 3 kilometers or more, sustainable work
Time is not less than two hours.General anti-unmanned plane electromagnetic interference rifle antenna is made of 3 antennas, and antenna one is in Big Dipper B1 frequencies
The L1 frequency ranges of section and GPS, antenna two and antenna three are two frequency range 2.4G and 5.8G of wifi respectively, existing anti-unmanned electromechanical
Magnetic disturbance rifle antenna is only capable of working under single frequency band.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide one kind cover Big Dipper wifi frequency ranges without
Man-machine electromagnetic interference rifle antenna is combined the 2.4G frequency ranges of Big Dipper B1 frequency ranges, the L1 frequency ranges of GPS and wifi, for anti-
Weight, volume and the shape of unmanned plane electromagnetic interference rifle improve significantly, and become a big rifle of portable electromagnetism.
The utility model adopts the following technical solution realizes：
One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas, including antenna module, the antenna module bag
Two helical antennas being intertwined are included, which is formed as pyramidal structure, and is spirally distributed, two spiral days
Line connects a SMA-K connector respectively.
Optionally, the antenna module further includes to install the installed part of described two helical antennas.
Optionally, the installed part includes pillar, and multiple fixing brackets, the end of the helical antenna is distributed on the pillar
Portion sequentially passes through the plurality of fixing bracket.
Optionally, the fixing bracket includes the fixed part that center carries first through hole, and the both sides of the fixed part are formed with
Connecting portion with the second through hole.
Optionally, the end set of the helical antenna has power feed hole, and the SMA-K connectors are mounted on the power feed hole
It is interior.
Optionally, the antenna module further includes outer shield, and the helical antenna is arranged in the outer shield.
Optionally, the outer shield includes mobile jib and bottom plate, and the both ends of mobile jib are separately installed with head cover and flange；Flange connects
Connect bottom plate；The SMA-K connectors are mounted on bottom plate.
Optionally, it is provided with sealing element between the flange and bottom plate.
Optionally, the sealing element uses sealing ring, and the end face that the flange installs the bottom plate is provided with seal groove, close
Seal ring is mounted in seal groove.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is integrated in Big Dipper B1 and GPS-L1 and wifi frequency range on same antenna, effective to reduce
It to realize the number of congenerous antennas, save cost.
2nd, antenna is arranged in outer shield, and three proofings (mould proof, moisture proof, salt spray proof) ability of antenna is improved after sealing,
Service life of the antenna outdoors under adverse circumstances is improved, is easily installed, being required for client's proposition can be met.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the sectional view of the utility model；
Fig. 3 is the connection diagram of helical antenna and installed part；
Fig. 4 is the structure diagram of pillar；
Fig. 5 is support bracket fastened structure diagram；
Fig. 6 is the structure diagram of helical antenna in Fig. 2；
Fig. 7 is the structure diagram of power feed hole；
Fig. 8 is the structure diagram of bottom plate；
Fig. 9 is the structure diagram of outer shield；
Figure 10 is B1 frequency point directional diagrams in the utility model；
Figure 11 is L1 frequency point directional diagrams in the utility model；
Figure 12 is 2400MHz frequency point directional diagrams in the utility model；
Figure 13 is 2441MHz frequency point directional diagrams in the utility model；
Figure 14 is 2483MHz frequency point directional diagrams in the utility model；
Reference sign：1 helical antenna；11 power feed holes；2SMA-K connectors；3 installed parts；31 pillars；32 fixed frames；
321 fixed parts；322 first through hole；323 second through holes；324 connecting portions；325 side vias；4 outer shields；41 mobile jibs；42 bottoms
Plate；421 connector mounting holes；422 square grooves；Via in 423 square grooves；424 interference rifle mounting holes；425 flange mounting holes；43 tops
Lid；44 flanges；5 seal grooves, 6 threaded holes.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas, referring to Fig. 1,2 and 6, including day
Line component, the antenna module shape include two helical antennas 1 being intertwined, which is formed as pyramidal structure,
And be spirally distributed, two helical antennas 1 connect a SMA-K connector 2 respectively.In the present embodiment, two identical
SMA-K connectors pin is respectively welded in the power feed hole of two helical antennas 1, and the helical antenna 1 of design is broadband helical, is stayed
Wavestrip is wide to have good standing wave to show from 1500MHz to 2500MHz.Due to the limitation of power amplifier in transmitter bandwidth, antenna requirement
Go out two ports so that a helical antenna works under wifi frequency ranges, another helical antenna is under the Big Dipper B1 and GPS-L1
Work.Through the above technical solutions, Big Dipper B1 and GPS-L1 and wifi frequency range is integrated in same antenna by the utility model
On, the number of congenerous antenna to be realized is effectively reduced, saves cost.
Further, in another embodiment, antenna module further includes to install the installation of described two helical antennas 1
Part 3.Two helical antennas 1 by installed part 3 are integrated, are effectively reduced congenerous day to be realized by the present embodiment
The number of line saves cost.
Specifically, in another embodiment, referring to Fig. 3, installed part 3 includes pillar 31, is distributed on the pillar 31 multiple
Fixing bracket 32, the end of helical antenna 1 sequentially pass through the plurality of fixing bracket 32.In the present embodiment, two helical antennas 1 are logical
It crosses fixing bracket 32 to be wrapped on pillar 31 so that the two helically structure distribution.
Specifically, in another embodiment, referring to Fig. 4 and Fig. 5, fixing bracket 32 includes center and carries first through hole 322
Fixed part 321, the both sides of the fixed part 321 are formed with the connecting portion 324 with the second through hole 323.It is fixed in the present embodiment
Stent 32 is sleeved on by first through hole 322 on pillar 31, and the second through hole 323 is set on connecting portion 324 so that two spiral days
The second through hole 323 that line 1 is each passed through 321 both sides of fixed part is intertwined.In addition, it is provided on the side wall of fixed part 321
Side via is evenly equipped with multiple threaded holes 6 on column, and screw rod sequentially passes through side via 325 and threaded hole 6 by fixed part 321
It is connected with column 31.
Further, in another embodiment, the end set of helical antenna 1 has power feed hole 11, and SMA-K connectors 2 are pacified
In the power feed hole 11.In the present embodiment, SMA-K connectors 2 are using being soldered in power feed hole 11, referring to Fig. 7.
Further, in another embodiment, antenna module further includes outer shield 4, and it is outer that the helical antenna 1 is arranged on this
In shield 4.Outer shield 4 plays the role of protection to helical antenna 1.Outer shield 4 is process using fiberglass, in electric property
With good electromagnetic wave through characteristic, the effect of external adverse circumstances is amenable in mechanical performance；It, can be to prevent after product sealing
Mould, salt spray proof prevent damp and hot, dust-proof, waterproof, high temperature resistant (85 °), low temperature resistant (- 45 °), anti-Japanese photograph.
Specifically, in another embodiment, referring to Fig. 8 and Fig. 9, outer shield 4 includes mobile jib 41 and bottom plate 42, mobile jib 41
Both ends are separately installed with head cover 43 and flange 44；44 connecting bottom board 42 of flange；The SMA-K connectors 2 and column 31 are mounted on
On bottom plate 42.In the present embodiment, helical antenna 1 is mounted on inside mobile jib 41, and SMA-K connectors 2 are installed on bottom plate 42.Bottom plate
42 play the role of fixed outer shield 4 and SMA-K connectors 2.In the present embodiment, set there are two connectors to pacify on bottom plate 42
It fills 421,2, hole SMA-K connectors 2 and passes through two connector mounting holes 421.Square groove 422, square groove are additionally provided on bottom plate 42
Via 423 in square groove are provided in 422, the end of column 31 is mounted in square groove in via 423.It is additionally provided on bottom plate 42 dry
Rifle mounting hole 424 is disturbed, the antenna of the utility model is installed to by the interference rifle mounting hole 424 on interference rifle.It is set on bottom plate 42
Flange mounting hole 425 is equipped with, screw is installed in flange mounting hole 425, screw is by bottom plate 42 and returns flange 44 and links together.
Further, in another embodiment, referring to Fig. 9, sealing element is provided between flange 44 and bottom plate 42, the sealing
Part is used to ensure the leakproofness between flange 44 and bottom plate 42.
Specifically, sealing element uses sealing ring, and the end face that the flange installs the bottom plate is provided with seal groove 5, seals
Ring is mounted in seal groove 5.In the present embodiment, sealing ring uses rubber seal ring.
As seen from Figure 10, the utility model B1 frequency points maximum gain 10.07dBi, 31.50 ° of lobe width.By Figure 11
As can be seen that the utility model L1 frequency point maximum gain 10.11dBi, 31.01 ° of lobe width.As seen from Figure 12, this reality
With new 2400 frequency point maximum gain 13.24dBi, 29.07 ° of lobe width.As seen from Figure 13,2441 frequency of the utility model
Point maximum gain 13.53dBi, 29.05 ° of lobe width.As seen from Figure 14,2441 frequency point maximum gain of the utility model
13.37dBi, 28.70 ° of lobe width.
In conclusion the utility model is integrated in Big Dipper B1 and GPS-L1 and wifi frequency range on same antenna, have
The number for reducing congenerous antenna to be realized of effect saves cost.And antenna is arranged in outer shield, is improved after sealing
Three proofings (mould proof, moisture proof, salt spray proof) ability of antenna improves service life of the antenna outdoors under adverse circumstances, easily
In installation, being required for client's proposition can be met.Than general three linear polarization yagi aerials composition antenna volume smaller,
It carries and is more convenient, it is less damaged.Antenna is emitted in the form of right-handed circular polarization, than linear polarization to the Big Dipper B1 and GPS-L1
Effect it is more preferable.Since circular polarisation can disturb vertical polarization and horizontal polarization, so Wifi antennas are also using circular polarisation
Form, to unmanned plane interference just be not present due to polarization mode it is not right, so as to cause jamming effectiveness it is low the problem of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. one kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas, including antenna module, which is characterized in that the day
Line component includes two helical antennas (1) being intertwined, which is formed as pyramidal structure, and divides in the shape of a spiral
Cloth, two helical antennas (1) connect a SMA-K connector (2) respectively.
2. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as described in claim 1, which is characterized in that the day
Line component further includes to install the installed part (3) of described two helical antennas (1).
3. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as claimed in claim 2, which is characterized in that the peace
Piece installing (3) includes pillar (31), and multiple fixing brackets (32), the end of the helical antenna (1) is distributed on the pillar (31)
Sequentially pass through the plurality of fixing bracket (32).
4. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as claimed in claim 3, which is characterized in that described solid
Fixed rack (32) includes the fixed part (321) that center carries first through hole (322), and the both sides of the fixed part (321) are formed with band
There is the connecting portion (324) of the second through hole (323).
5. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as described in claim 1, which is characterized in that the spiral shell
The end set of rotation antenna (1) has power feed hole (11), and the SMA-K connectors (2) are mounted in the power feed hole (11).
6. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as described in claim 1, which is characterized in that the day
Line component further includes outer shield (4), and the helical antenna (1) is arranged in the outer shield (4).
7. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as claimed in claim 6, which is characterized in that described outer
Shield (4) includes mobile jib (41) and bottom plate (42), and the both ends of mobile jib (41) are separately installed with head cover (43) and flange (44)；Flange
(44) connecting bottom board (42)；The SMA-K connectors (2) are mounted on bottom plate (42).
8. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as claimed in claim 7, which is characterized in that the method
Sealing element is provided between blue (44) and bottom plate (42).
9. cover Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas as claimed in claim 8, which is characterized in that described close
Sealing uses sealing ring, and the end face that the flange installs the bottom plate is provided with seal groove (5), and sealing ring is mounted on seal groove
(5) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721832570.2U CN207381522U (en) | 2017-12-25 | 2017-12-25 | One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721832570.2U CN207381522U (en) | 2017-12-25 | 2017-12-25 | One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381522U true CN207381522U (en) | 2018-05-18 |
Family
ID=62333608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721832570.2U Active CN207381522U (en) | 2017-12-25 | 2017-12-25 | One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381522U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739525A (en) * | 2019-10-12 | 2020-01-31 | 南京理工大学 | VHF (very high frequency) band satellite-borne quadrifilar helix antenna |
| CN111641035A (en) * | 2020-05-28 | 2020-09-08 | 宜宾学院 | Multi-frequency multi-mode combined antenna |
-
2017
- 2017-12-25 CN CN201721832570.2U patent/CN207381522U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739525A (en) * | 2019-10-12 | 2020-01-31 | 南京理工大学 | VHF (very high frequency) band satellite-borne quadrifilar helix antenna |
| CN110739525B (en) * | 2019-10-12 | 2021-10-08 | 南京理工大学 | VHF frequency channel satellite-borne quadrifilar helix antenna |
| CN111641035A (en) * | 2020-05-28 | 2020-09-08 | 宜宾学院 | Multi-frequency multi-mode combined antenna |
| CN111641035B (en) * | 2020-05-28 | 2021-08-24 | 宜宾学院 | Multi-frequency multi-mode combined antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207381522U (en) | One kind covers Big Dipper wifi frequency range unmanned plane electromagnetic interference rifle antennas | |
| US20140306856A1 (en) | Antenna and Mobile Terminal | |
| CN203942016U (en) | The directed wall aerial of wideband and the directed wall aerial of multiband dual polarization | |
| CN105990651A (en) | Dual polarization antenna | |
| CN109509992A (en) | A kind of passive wideband radio frequency direction-finder antenna | |
| CN102369635A (en) | Panel antenna having sealed radio enclosure | |
| CN105322292A (en) | Anti-interference array antenna of seven-element big dipper B3 | |
| CN103779664B (en) | Wide-beam circularly-polarizedmicrostrip microstrip antenna | |
| US10256547B2 (en) | Dual polarized antenna | |
| TWI470871B (en) | Antenna device | |
| CN208637571U (en) | A kind of MIMO airborne antenna using WiFi and LTE | |
| CN206480757U (en) | A kind of wideband type Dual-polarization ceiling antenna | |
| CN207781883U (en) | Antenna structure and electronic equipment | |
| CN108923110A (en) | A kind of MIMO airborne antenna using WiFi and LTE | |
| CN207368226U (en) | A kind of omnidirectional antenna of vertical polarization | |
| CN209133697U (en) | A kind of passive wideband radio frequency direction-finder antenna | |
| CN203883133U (en) | Beidou seven-unit satellite navigation anti-interference antenna | |
| CN209282405U (en) | Antenna assembly and electronic equipment | |
| CN113782950A (en) | L-frequency-band embedded broadband vehicle-mounted omnidirectional antenna | |
| CN206558677U (en) | A kind of mobile communication parabolic antenna feed source irradiator oscillator | |
| CN208173786U (en) | A kind of metal outer frame smart TV antenna | |
| CN206332168U (en) | Symmetrical bicone omnidirectional antenna | |
| CN205488540U (en) | Bridge antenna | |
| CN204834862U (en) | 2. 4G high -gain wifi covers antenna | |
| Rodriguez | A dual-linearly-polarized horn with low sidelobes for the 120MHz-to 300MHz range |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |