CN210469349U - Anti-small-size unmanned aerial vehicle device - Google Patents
Anti-small-size unmanned aerial vehicle device Download PDFInfo
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- CN210469349U CN210469349U CN201921621518.1U CN201921621518U CN210469349U CN 210469349 U CN210469349 U CN 210469349U CN 201921621518 U CN201921621518 U CN 201921621518U CN 210469349 U CN210469349 U CN 210469349U
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Abstract
An anti-miniature unmanned aerial vehicle device. Relate to unmanned aerial vehicle countering equipment field. The anti-small unmanned aerial vehicle device is exquisite in structure, good in stability, wide in radiation range and good in using effect. The system comprises a detection module, a computer and an interference shielding module; the detection module comprises a detection antenna, a broadband receiving module, an analysis processing module, a control output module and a network interface module which are connected in sequence; the interference shielding module comprises a direction selection mechanism and a plurality of interferers, wherein each interferer comprises a duplexer, an antenna array, a single-pole double-throw switch and two interference modules. The utility model discloses in through spectral analysis, judge and confirm the unmanned aerial vehicle outside the white list, simultaneously, the jammer stops promptly continuously disturbing 5 minutes, can effectively avoid causing the influence to unmanned aerial vehicle within the white list to can be to the unmanned aerial vehicle fast reaction of invasion, drive away in order to disturb.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle reverse system equipment field.
Background
At present, along with unmanned aerial vehicle's popularization, the state that unmanned aerial vehicle freely flies has seriously influenced the safety protection of key protection target for people carry out the demand of management and control to unmanned aerial vehicle's flight also more and more. In contrast, the applicant filed a chinese patent application entitled "a counter system for all-weather automatic detection and interference of unmanned aerial vehicles" with application number "201710593413.9" on 7/17/2017, however, the application includes that most handheld devices in the prior art are products for interference and expulsion of "low, small and slow" unmanned aerial vehicles, and the principle is that electromagnetic wave signals sent when the unmanned aerial vehicles communicate with a remote controller are subjected to feature extraction and analysis, so as to determine whether unmanned aerial vehicles exist in the surrounding airspace and estimate the approximate azimuth and distance of the unmanned aerial vehicles; after that, the change through high-low level controls the switching of radio frequency switch, the opening of broadband power amplifier respectively, produces high-power interference signal to go out through directional antenna radiation, be used for cutting off the communication link of unmanned aerial vehicle and remote controller, reach the purpose of driving away or compelling to land.
However, most of such devices will also act on the drone of the key protection target itself at the same time and have an impact on the normal radio communication.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provided a structure exquisiteness, stability is good, radiation range is wide and excellent in use effect, when not influencing normal radio communication, can investigate unmanned aerial vehicle outside the white list to the small-size unmanned aerial vehicle of invasion carries out the anti-small-size unmanned aerial vehicle device that the interference was driven away.
The technical scheme of the utility model is that: the system comprises a detection module, a computer and an interference shielding module;
the detection module comprises a detection antenna, a broadband receiving module, an analysis processing module, a control output module and a network interface module which are connected in sequence; receiving a wireless signal sent by the unmanned aerial vehicle through a detecting antenna; amplifying and converting signals received by the detecting antenna through a broadband receiving module; screening and discriminating the amplified and transformed signals through an analysis processing module; outputting a control instruction through a control output module; transmitting the control instruction to the computer through the network interface module;
the interference shielding module comprises a direction selection mechanism and a plurality of interferers, wherein each interferer comprises a duplexer, an antenna array, a single-pole double-throw switch and two interference modules;
one side of the direction selection mechanism is connected to the computer, and the other side of the direction selection mechanism is respectively connected with the receiving ends of the duplexers in the plurality of the interferors; controlling a direction selection mechanism through a computer, and sending an instruction to at least one interference device through the direction selection mechanism;
the antenna array is connected to the antenna end of the duplexer and used for sending out interference signals;
one sides of the two interference modules are connected between the direction selection mechanism and the duplexer through a single-pole double-throw switch, and the other sides of the two interference modules are connected to the transmitting end of the duplexer; the single-pole double-throw switch is controlled by a computer, and an instruction is sent to one of the dry modules through the single-pole double-throw switch;
the interference module comprises a sawtooth voltage generator, a voltage-controlled oscillator and a power amplifier which are sequentially connected between the single-pole double-throw switch and the duplexer, linear sawtooth voltage is generated by the sawtooth voltage generator, the voltage-controlled oscillator is controlled to generate a high-speed scanning frequency signal, and the high-speed scanning frequency signal is amplified by the power amplifier;
the two interference modules are respectively a 2.4G interference module and a 5.8G interference module, a voltage-controlled oscillator in the 2.4G interference module sends a high-speed scanning frequency signal of a 2.4G frequency band, and a voltage-controlled oscillator in the 5.8G interference module sends a high-speed scanning frequency signal of a 5.8G frequency band.
The direction selection mechanism comprises four single-pole four-throw switches, the type of the single-pole four-throw switches is HMC345LP3, the number of the disturbers is four, the single-pole four-throw switches are connected between a computer and a plurality of disturbers, and knife switch selection contacts of the single-pole four-throw switches are controlled through the computer.
The direction selection mechanism comprises a switch and a plurality of routers, the switch is connected with the computer, the routers correspond to the interferors one by one, and the routers are connected between the interferors and the switch respectively.
The single-pole double-throw switch comprises a first branch, a second branch, a third branch and a disconnecting link, one side of the disconnecting link is rotatably connected to the third branch, and the other side of the disconnecting link can be selected among the first branch, the second branch and a null switch; and the branch circuit three is connected between the direction selection mechanism and the duplexer, and the branch circuit one and the branch circuit two are respectively connected with sawtooth voltage generators in the two interference modules.
The antenna array is a four-side array plane antenna array, each group of antennas comprises an L-waveband antenna array, a 2.4GHz antenna array and a 5.8GHz antenna array, and the L-waveband antenna array, the 2.4GHz antenna array and the 5.8GHz antenna array are respectively 15 GHz0The angle of inclination is 90 between each group of antennas0A right angle layout, with a power divider feeding the radio frequency signal to each antenna element.
The analysis processing module is a spectrum analysis module, and the model of the spectrum analysis module is BB 60C.
The duplexer is a 2.4/5.8G duplexer and is of the model number LD18D2450 LAN-D30.
The utility model discloses a multichannel fixed frequency jammer aims formula interference to GPS, big dipper and 2.4GHz 5.8 GHz's unmanned aerial vehicle control or image transmission frequency signal. The GPS and the Beidou navigation signals are located in the same L wave band, and the interference aiming at the L wave band is synchronously and normally opened along with the 2.4G interference module or the 5.8G interference module in the scheme. And the image transmission of the 2.4GHz/5.8GHz unmanned aerial vehicle is at two frequencies of 5.8GHz and 2.4GHz, and the 2.4G interference module or the 5.8G interference module is gated through the single-pole double-throw switch according to the detection result. When the navigation signal is not disturbed, the control signal of unmanned aerial vehicle once block can independently return to the operator department of navigating, and when the navigation signal blocks, unmanned aerial vehicle loses the direction and can descend automatically, easily by catching. The utility model discloses in through spectral analysis, judge and confirm the unmanned aerial vehicle outside the white list, simultaneously, the jammer stops promptly continuously disturbing 5 minutes, can effectively avoid causing the influence to unmanned aerial vehicle within the white list to can be to the unmanned aerial vehicle fast reaction of invasion, drive away in order to disturb.
Drawings
FIG. 1 is a schematic structural diagram of the present application,
fig. 2 is a schematic structural diagram of a first embodiment of the interference shielding module,
FIG. 3 is a schematic structural diagram of a detection module in the present application,
fig. 4 is a schematic structural diagram of an interference module in the present application.
Detailed Description
The utility model, as shown in fig. 1-4, comprises a detecting module, a computer and an interference shielding module;
as shown in fig. 3, the detecting module includes a detecting antenna, a broadband receiving module, an analyzing and processing module, a control output module, and a network interface module, which are connected in sequence; receiving a wireless signal sent by the unmanned aerial vehicle through a detecting antenna; amplifying and converting signals received by the detecting antenna through a broadband receiving module; screening and discriminating the amplified and transformed signals through an analysis processing module; outputting a control instruction through a control output module; transmitting the control instruction to the computer through the network interface module; the wireless signals detected by the detection antenna are amplified and converted by the broadband receiver and then sent to the analysis processing module for study and judgment, the characteristics of different coding and decoding modes of normal communication and unmanned aerial vehicle control information and the like are utilized for screening and discrimination, namely, the wireless spectrum mode is judged whether to accord with the normal communication rule by utilizing spectrum analysis so as to determine a black and white list, and if the wireless signals are found to be abnormal wireless communication signals, the control module immediately outputs a control instruction.
The interference shielding module comprises a direction selection mechanism and a plurality of interferers, wherein each interferer comprises a duplexer, an antenna array, a single-pole double-throw switch and two interference modules; the model of the single-pole double-throw switch is RDS-SR 022;
one side of the direction selection mechanism is connected to the computer, and the other side of the direction selection mechanism is respectively connected with the receiving ends of the duplexers in the plurality of the interferors; controlling a direction selection mechanism through a computer, and sending an instruction to at least one interference device through the direction selection mechanism;
the antenna array is connected to the antenna end of the duplexer and used for sending out interference signals;
one sides of the two interference modules are connected between the direction selection mechanism and the duplexer through a single-pole double-throw switch, and the other sides of the two interference modules are connected to the transmitting end of the duplexer; the single-pole double-throw switch is controlled by a computer, and an instruction is sent to one of the dry modules through the single-pole double-throw switch;
as shown in fig. 4, the interference module includes a sawtooth voltage generator, a voltage-controlled oscillator, and a power amplifier sequentially connected between the single-pole double-throw switch and the duplexer, and generates a linear sawtooth voltage by the sawtooth voltage generator, and controls the voltage-controlled oscillator to generate a high-speed scanning frequency signal, and amplifies the high-speed scanning frequency signal by the power amplifier;
the two interference modules are respectively a 2.4G interference module and a 5.8G interference module, a voltage-controlled oscillator in the 2.4G interference module sends a high-speed scanning frequency signal of a 2.4G frequency band, and a voltage-controlled oscillator in the 5.8G interference module sends a high-speed scanning frequency signal of a 5.8G frequency band. Thus, once the control module sends out a control instruction, the computer determines to turn on one of the disturbers according to the detection result, the sawtooth voltage generator generates a linear sawtooth voltage with a certain period to control the VCO voltage-controlled oscillator to generate a high-speed scanning frequency signal in a certain frequency range, and the high-speed scanning frequency signal is sent to the power amplifier for amplification; finally, the signal is radiated to the air by the antenna array through a feeder line, and interference is formed on the corresponding frequency band. The VCO is a corresponding interference frequency band oscillator, the working voltage is +5V, the output power is 10dBm, the size of an interference signal is determined according to the range of a protection area, and the power amplifier outputs corresponding power. The device models are shelf products and are designed integrally. In the scheme, the jammer generally stops after continuously interfering for 5 minutes, and the detection equipment performs reconnaissance again, repeats circularly and continuously protects the target from being damaged by the unmanned aerial vehicle.
The utility model discloses a multichannel fixed frequency jammer aims formula interference to GPS, big dipper and 2.4GHz 5.8 GHz's unmanned aerial vehicle control or image transmission frequency signal. The GPS and the Beidou navigation signals are located in the same L wave band, and the interference aiming at the L wave band is synchronously and normally opened along with the 2.4G interference module or the 5.8G interference module in the scheme. And the image transmission of the 2.4GHz/5.8GHz unmanned aerial vehicle is at two frequencies of 5.8GHz and 2.4GHz, and the 2.4G interference module or the 5.8G interference module is gated through the single-pole double-throw switch according to the detection result. When the navigation signal is not disturbed, the control signal of unmanned aerial vehicle once block can independently return to the operator department of navigating, and when the navigation signal blocks, unmanned aerial vehicle loses the direction and can descend automatically, easily by catching. The utility model discloses in through spectral analysis, judge and confirm the unmanned aerial vehicle outside the white list, simultaneously, the jammer stops promptly continuously disturbing 5 minutes, can effectively avoid causing the influence to unmanned aerial vehicle within the white list to can be to the unmanned aerial vehicle fast reaction of invasion, drive away in order to disturb.
The direction selection mechanism is representatively illustrated by two embodiments below:
first embodiment, as shown in fig. 2, the direction selection mechanism comprises a single-pole four-throw switch, the model of which is HMC345LP3, the jammers have four, the single-pole four-throw switch is connected between a computer and a plurality of jammers, and a knife gate selection contact of the single-pole four-throw switch is controlled by the computer. Therefore, the corresponding interference device is selected and controlled according to the direction and the position of the interference required.
In a second embodiment, the direction selection mechanism includes a switch and a plurality of routers, the switch is connected to the computer, the routers correspond to the disturbers one to one, and the routers are respectively connected between the disturbers and the switch. Thereby gating and controlling the jammer through the network as shown in fig. 2.
The single-pole double-throw switch comprises a first branch, a second branch, a third branch and a disconnecting link, one side of the disconnecting link is rotatably connected to the third branch, and the other side of the disconnecting link can be selected among the first branch, the second branch and a null switch; and the branch circuit three is connected between the direction selection mechanism and the duplexer, and the branch circuit one and the branch circuit two are respectively connected with sawtooth voltage generators in the two interference modules. Thus, one of the 2.4G interference module and the 5.8G interference module is selected by controlling the single-pole double-throw switch through the computer, and an instruction is sent to the interference module.
The antenna array is a four-side array plane antenna group, each group of antennas comprises an L-waveband antenna array, a 2.4GHz antenna array and a 5.8GHz antenna array, and the L-waveband antenna array, the 2.4GHz antenna array and the 5.8GHz antenna array8GHz antenna arrays each in the form of 150The angle of inclination is 90 between each group of antennas0A right angle layout, with a power divider feeding the radio frequency signal to each antenna element.
The analysis processing module is a spectrum analysis module, and the model of the spectrum analysis module is BB 60C. Therefore, whether the wireless spectrum mode of the wireless communication terminal accords with the normal communication rule or not is judged by utilizing spectrum analysis so as to determine the black and white list.
The duplexer is a 2.4/5.8G duplexer and is of the model number LD18D2450 LAN-D30.
Claims (7)
1. An anti-small unmanned aerial vehicle device is characterized by comprising a detection module, a computer and an interference shielding module;
the detection module comprises a detection antenna, a broadband receiving module, an analysis processing module, a control output module and a network interface module which are connected in sequence; receiving a wireless signal sent by the unmanned aerial vehicle through a detecting antenna; amplifying and converting signals received by the detecting antenna through a broadband receiving module; screening and discriminating the amplified and transformed signals through an analysis processing module; outputting a control instruction through a control output module; transmitting the control instruction to the computer through the network interface module;
the interference shielding module comprises a direction selection mechanism and a plurality of interferers, wherein each interferer comprises a duplexer, an antenna array, a single-pole double-throw switch and two interference modules;
one side of the direction selection mechanism is connected to the computer, and the other side of the direction selection mechanism is respectively connected with the receiving ends of the duplexers in the plurality of the interferors; controlling a direction selection mechanism through a computer, and sending an instruction to at least one interference device through the direction selection mechanism;
the antenna array is connected to the antenna end of the duplexer and used for sending out interference signals;
one sides of the two interference modules are connected between the direction selection mechanism and the duplexer through a single-pole double-throw switch, and the other sides of the two interference modules are connected to the transmitting end of the duplexer; the single-pole double-throw switch is controlled by a computer, and an instruction is sent to one of the dry modules through the single-pole double-throw switch;
the interference module comprises a sawtooth voltage generator, a voltage-controlled oscillator and a power amplifier which are sequentially connected between the single-pole double-throw switch and the duplexer, linear sawtooth voltage is generated by the sawtooth voltage generator, the voltage-controlled oscillator is controlled to generate a high-speed scanning frequency signal, and the high-speed scanning frequency signal is amplified by the power amplifier;
the two interference modules are respectively a 2.4G interference module and a 5.8G interference module, a voltage-controlled oscillator in the 2.4G interference module sends a high-speed scanning frequency signal of a 2.4G frequency band, and a voltage-controlled oscillator in the 5.8G interference module sends a high-speed scanning frequency signal of a 5.8G frequency band.
2. An anti-miniature drone apparatus according to claim 1, wherein said direction selection mechanism comprises a single pole four throw switch model HMC345LP3, said disturbers having four, said single pole four throw switch being connected between the computer and the disturbers, and the knife gate selection contacts of the single pole four throw switch being controlled by the computer.
3. An anti-unmanned aerial vehicle device as recited in claim 1, wherein the direction selection mechanism comprises a switch and a plurality of routers, the switch is connected to the computer, the routers are in one-to-one correspondence with the disturbers, and the plurality of routers are respectively connected between the disturbers and the switch.
4. An anti-miniature drone apparatus according to claim 1, wherein said single pole double throw switch comprises a first branch, a second branch, a third branch and a knife switch, one side of said knife switch being rotatably connected to the third branch, the other side of said knife switch being selectable between the first branch, the second branch and the idle switch; and the branch circuit three is connected between the direction selection mechanism and the duplexer, and the branch circuit one and the branch circuit two are respectively connected with sawtooth voltage generators in the two interference modules.
5. The inverted small unmanned aerial vehicle device of claim 1, wherein the antenna array is a four-sided array planar antenna set, each antenna set comprises an L-band antenna array, a 2.4GHz antenna array and a 5.8GHz antenna array, and the L-band antenna array, the 2.4GHz antenna array and the 5.8GHz antenna array are respectively 15 GHz0The angle of inclination is 90 between each group of antennas0A right angle layout, with a power divider feeding the radio frequency signal to each antenna element.
6. The anti-miniature drone apparatus of claim 1, wherein said analysis processing module is a spectral analysis module, model BB 60C.
7. The anti-miniature drone assembly of claim 1, wherein said diplexer is a 2.4/5.8G diplexer, model LD18D2450 LAN-D30.
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| CN201921621518.1U CN210469349U (en) | 2019-09-26 | 2019-09-26 | Anti-small-size unmanned aerial vehicle device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308813A (en) * | 2022-10-10 | 2022-11-08 | 成都本原聚能科技有限公司 | Dual-directional antenna aircraft detection system and method based on deep learning |
| RU2799903C1 (en) * | 2022-08-08 | 2023-07-13 | Акционерное общество "Центральный научно-исследовательский радиотехнический институт имени академика А.И. Берга" | Multi-frequency inboard station of active interferences |
-
2019
- 2019-09-26 CN CN201921621518.1U patent/CN210469349U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2799903C1 (en) * | 2022-08-08 | 2023-07-13 | Акционерное общество "Центральный научно-исследовательский радиотехнический институт имени академика А.И. Берга" | Multi-frequency inboard station of active interferences |
| CN115308813A (en) * | 2022-10-10 | 2022-11-08 | 成都本原聚能科技有限公司 | Dual-directional antenna aircraft detection system and method based on deep learning |
| CN115308813B (en) * | 2022-10-10 | 2023-08-22 | 成都本原聚能科技有限公司 | Double-directional antenna unmanned aerial vehicle detection system and method based on deep learning |
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Inventor after: Zhou Wei Inventor after: Tong Zhijun Inventor before: Zhou Wei Inventor before: Tong Zhijun |
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Address after: 210000 Suning Huigu e07-2-904, 272 Jiqingmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongrong tianweixun Technology (Jiangsu) Co.,Ltd. Address before: 210000 Suning Huigu e07-2-904, 272 Jiqingmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: JIANGSU ZHONGRONG DIXIAOMAN SECURITY TECHNOLOGY Co.,Ltd. |
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Address after: 210000 room 4f, building 5, big data, No. 180, software Avenue, Yuhuatai District, Nanjing, Jiangsu Province Patentee after: Zhongrong tianweixun Technology (Jiangsu) Co.,Ltd. Address before: 210000 Suning Huigu e07-2-904, 272 Jiqingmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: Zhongrong tianweixun Technology (Jiangsu) Co.,Ltd. |