Unmanned aerial vehicle navigation decoy interference equipment and system
By generating and transmitting navigation decoy signals to interfere with the flight path of drones, the problem of drone defense in restricted/no-fly zones is solved, ensuring low-altitude safety in the target area.
Patent Information
- Application Number
- CN202520157142.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing technologies are insufficient to effectively defend against and manage the threat posed by drones to target areas, especially in restricted/no-fly zones. Traditional methods are unable to ensure the real-time nature and effectiveness of reconnaissance, strikes, and protection.
This invention provides a drone navigation deception jamming device and system, which generates a navigation deception signal by receiving satellite ephemeris data, amplifies it with a power amplifier, and transmits it to the target drone to interfere with its flight path and guide it to fly away from restricted/no-fly zones and fly to a designated location.
It ensures low-altitude safety in the target area, ensuring that drones fly out of restricted/no-fly zones and avoid threats to important areas.
Smart Images
Figure CN223897652U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an unmanned plane technical field especially relates to an unmanned plane navigation decoy interference equipment and system. BACKGROUND
[0002] The extensive use of unmanned planes in military and civil fields brings convenience to people, but also brings many potential threats and hidden dangers to the safety of the country and people. Because the unmanned plane is slow in flight speed, small in size, low in flight height, strong in suddenness and good in maneuverability, the traditional air defense means is difficult to ensure the real-time and effectiveness of reconnaissance, attack and protection.
[0003] Therefore, the unmanned plane navigation decoy interference equipment and system is designed to interfere with the heading of the target unmanned plane, guide it to fly away from the restricted / forbidden flight area and fly to the designated location, and ensure the low-altitude safety of the target area, which is an urgent problem to be solved by those skilled in the art. SUMMARY
[0004] The utility model solves the technical problem that there is no unmanned plane navigation decoy interference equipment and system to interfere with the heading of the target unmanned plane, guide it to fly away from the restricted / forbidden flight area and fly to the designated location, and ensure the low-altitude safety of the target area.
[0005] To solve the above technical problems, the utility model adopts the technical scheme as follows:
[0006] The utility model provides an unmanned plane navigation decoy interference equipment, which comprises an equipment host computer, and the equipment host computer comprises: a receiving antenna for receiving satellite ephemeris data; a signal source main control board connected with a control terminal and the receiving antenna respectively, for receiving a decoy instruction sent by the control terminal, the decoy instruction comprising decoy coordinate information and designated location coordinate information, and generating a navigation decoy signal according to the satellite ephemeris data, the decoy coordinate information and the designated location coordinate information; a power amplifier for power enhancement of the navigation decoy signal; a transmitting antenna for transmitting the enhanced navigation decoy signal to the target unmanned plane to guide the target unmanned plane to fly to the designated location; and a power supply for supplying power to the signal source main control board and the power amplifier.
[0007] Preferably, the satellite ephemeris data comprises GPS satellite ephemeris data and GLONASS satellite ephemeris data; and the navigation decoy signal comprises GPS-L1 navigation decoy signal and GLONASS-L1 navigation decoy signal.
[0008] Preferably, the satellite ephemeris data further comprises GALILEO satellite ephemeris data; and the navigation decoy signal further comprises GALILEO-E1 navigation decoy signal.
[0009] Preferably, the device host further comprises a shell, the shell comprising a bottom shell and an upper shell, the bottom shell and the upper shell being hinged to form a closed cavity, the receiving antenna, the source host board, the power amplifier, the transmitting antenna and the power supply being arranged in the cavity.
[0010] Preferably, the device host further comprises a power interface and a network interface, the power interface and the network interface being embedded on the bottom shell, the power interface being connected with the input end of the power supply, and the network interface being connected with the source host board.
[0011] Preferably, a sealing structure is arranged at the connection between the bottom shell and the upper shell, the power interface is a waterproof power interface, and the network interface is a waterproof RJ45 communication interface.
[0012] Preferably, the unmanned aerial vehicle navigation decoy jamming device further comprises a tripod, the top end of the tripod being provided with an adjusting mechanism for adjusting the horizontal and pitch angles of the device host; the source host board receives an angle adjusting instruction sent by the control terminal, and controls the adjusting mechanism to move to adjust the horizontal and pitch angles of the device host according to the angle adjusting instruction.
[0013] Preferably, the device host further comprises a start button and a reset button, the start button and the reset button being installed on the shell, and the start button and the reset button being connected with the source host board respectively.
[0014] Preferably, the source host board is further used for receiving a power adjusting instruction sent by the control terminal, and adjusting the power of the navigation decoy signal output by the power amplifier according to the power adjusting instruction.
[0015] The utility model discloses a kind of unmanned aerial vehicle navigation decoy jamming system, it includes control terminal and unmanned aerial vehicle navigation decoy jamming device with control terminal communication connection, the control terminal is used to generate decoy instruction and send to the unmanned aerial vehicle navigation decoy jamming device, the unmanned aerial vehicle navigation decoy jamming device uses the unmanned aerial vehicle navigation decoy jamming device described above.
[0016] The unmanned aerial vehicle navigation decoy jamming device described above can radiate navigation decoy signals based on navigation satellite signal regeneration by combining the location of itself and the direction of the target unmanned aerial vehicle, invade the navigation system of the target unmanned aerial vehicle, thereby interfere with the heading of the target unmanned aerial vehicle, guide it to fly away from the restricted flight area / flight prohibited area and fly to the designated location, thereby ensure the safety of low-altitude in the target area. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is application principle schematic diagram for the unmanned aerial vehicle navigation decoy jamming system in one embodiment of the utility model;
[0018] Figure 2 It is the explosion view of the device host of the unmanned aerial vehicle navigation decoy jamming device in an embodiment of the utility model;
[0019] Figure 3 It is the external structure schematic view of the device host of the unmanned aerial vehicle navigation decoy jamming device in an embodiment of the utility model. DETAILED DESCRIPTION
[0020] In order to make those skilled in the art more clearly understand the purpose, technical scheme and advantages of the utility model, the utility model is further described below in connection with the drawings and embodiments.
[0021] All types of unmanned aerial vehicles at home and abroad will adopt satellite navigation as the key means of flight route control, in order to avoid the airspace threat of unmanned aerial vehicles to important places such as civil aviation airports, a navigation module is embedded in the unmanned aerial vehicle, and a no-fly zone and a restricted flight zone are set on the corresponding places on the map. The unmanned aerial vehicle compares the global positioning signal received with the restricted / no-fly zone data built in the program, if it is judged that itself is in the no-fly zone, the unmanned aerial vehicle on the ground will refuse to take off, and the unmanned aerial vehicle in the air will automatically force landing; if it is judged that itself is in the restricted flight zone, it will keep itself below the restricted flight height, or move in a certain direction until it leaves the restricted flight zone.
[0022] The unmanned aerial vehicle navigation decoy is an advanced technology for defending, controlling or capturing unmanned aerial vehicles, which mainly generates false signals with the same frequency and time synchronization as the real navigation satellite positioning encoding signal through simulation, injects the decoy information into the navigation system of the unmanned aerial vehicle, so as to realize the functions of no-fly, driving away or track induction of the unmanned aerial vehicle.
[0023] The unmanned aerial vehicle navigation decoy jamming device and system provided by the utility model mainly work on the basis of decoying the positioning device inside the unmanned aerial vehicle and the restricted / no-fly zone database, and then interfering with the heading of the unmanned aerial vehicle, so that it reacts according to the program strategy built in itself. Specifically, the unmanned aerial vehicle navigation decoy jamming device generates navigation decoy signals corresponding to the restricted / no-fly zone according to the needs through simulation of satellite signals, and transmits the signals to the air after signal enhancement, when the intensity is enough to cover the satellite signals in the sky, the unmanned aerial vehicle will receive the navigation decoy signals transmitted by the unmanned aerial vehicle navigation decoy jamming device and think that itself is in the restricted / no-fly zone, thus producing the behaviors corresponding to the built-in program, such as forced landing, height limiting and flying away.
[0024] For example, the navigation decoy signal of the no-fly zone is generated by the unmanned aerial vehicle navigation decoy jamming device, and the signal is transmitted to the air after signal enhancement, when the intensity is enough to cover the satellite signals in the sky, the unmanned aerial vehicle will receive the navigation decoy signal transmitted by the unmanned aerial vehicle navigation decoy jamming device and think that itself is in the no-fly zone, thus producing the behaviors corresponding to the built-in program, such as forced landing, height limiting and flying away. Figure 1As shown, in an embodiment of the utility model, the unmanned aerial vehicle navigation decoy interference system comprises a control terminal and an unmanned aerial vehicle navigation decoy interference device in communication connection with the control terminal, and the unmanned aerial vehicle navigation decoy interference device generates a navigation decoy signal under the control of the control terminal to interfere with the heading of a target unmanned aerial vehicle (an unmanned aerial vehicle not yet judged) and guide it to fly away from a restricted or forbidden flight area and fly to a designated location, thereby ensuring the safety of low-altitude flight in a target area.
[0025] The control terminal can be a notebook computer, a desktop computer, a tablet computer or other intelligent terminal device, or the control terminal can also be a control background of a server.
[0026] The control instruction can be a decoy instruction for controlling the unmanned aerial vehicle navigation decoy interference device to generate and send a navigation decoy signal, or the control instruction can be an angle adjustment instruction for adjusting the horizontal and pitch angles of the unmanned aerial vehicle navigation decoy interference device, or the control instruction can be a power adjustment instruction for adjusting the power of the navigation decoy signal, which includes a specific power value.
[0027] Specifically, a user presets decoy coordinates and designated location coordinates through the control terminal, the control terminal generates the decoy instruction according to the preset decoy coordinates and designated location coordinates, the decoy instruction includes decoy coordinate information and designated location coordinate information, the control terminal generates the angle adjustment instruction according to the position information of the unmanned aerial vehicle navigation decoy interference device and the position information of the target unmanned aerial vehicle, the position information of the unmanned aerial vehicle navigation decoy interference device is obtained in real time through a navigation satellite signal, the position information of the target unmanned aerial vehicle is obtained in real time through an unmanned aerial vehicle detection module, the unmanned aerial vehicle detection module includes any one or any multiple of a radar device, a video monitoring device and an infrared detection device, and the control terminal generates the power adjustment instruction according to a power value set by the user through the control terminal.
[0028] The unmanned aerial vehicle navigation decoy interference device is a small unmanned aerial vehicle navigation decoy interference device with a small size and being convenient to move and erect.
[0029] (1) Equivalent omnidirectional radiation power: <10 mW;
[0030] (2) Signal synchronization: the device is internally integrated with a high-precision timing type receiving module, can automatically synchronize the device clock, and the satellite navigation signal simulated by the device has a synchronization accuracy of <1 us in ephemeris synchronization and time synchronization;
[0031] (3) working effective range: the working effective distance is greater than 500 meters and less than 1000 meters, and the distance within 500 meters can be adjusted;
[0032] (4) the signal output power can be adjusted in real time, and the device can work independently or be integrated into a defense system for use;
[0033] (5) the device is placed in a special package and can be used for railway, highway and air transportation (without internal battery), and can be used on a moving vehicle.
[0034] As shown in the drawings, Figure 2 In an embodiment of the utility model, the unmanned aerial vehicle navigation deception jamming device comprises a device host, the device host comprises a receiving antenna 20, a signal source main control board 30, a power amplifier 40, a transmitting antenna 50 and a power supply 60.
[0035] The receiving antenna 20 is used for receiving satellite ephemeris data. In the embodiment, the satellite ephemeris data comprises GPS satellite ephemeris data and GLONASS satellite ephemeris data; in other embodiments, the satellite ephemeris data comprises GALILEO satellite ephemeris data or Beidou satellite ephemeris data and other satellite ephemeris data in addition to the GPS satellite ephemeris data and the GLONASS satellite ephemeris data.
[0036] The signal source main control board 30 is connected with a control terminal and the receiving antenna 20 respectively, is used for receiving the deception instruction sent by the control terminal, the deception instruction comprises deception coordinate information and designated place coordinate information, and generates a navigation deception signal according to the satellite ephemeris data, the deception coordinate information and the designated place coordinate information. In the embodiment, the navigation deception signal comprises a GPS-L1 navigation deception signal and a GLONASS-L1 navigation deception signal, wherein the GPS-L1 navigation deception signal is a navigation deception signal generated by the signal source main control board 30 by simulating a GPS satellite signal frequency band (GPS-L1), and the GLONASS-L1 navigation deception signal is a navigation deception signal generated by the signal source main control board 30 by simulating a GLONASS satellite signal frequency band (GLONASS-L1); in other embodiments, the navigation deception signal comprises a GALILEO-E1 navigation deception signal in addition to the GPS-L1 navigation deception signal and the GLONASS-L1 navigation deception signal, and the GALILEO-E1 navigation deception signal is a navigation deception signal generated by the signal source main control board 30 by simulating a GALILEO satellite signal frequency band (GALILEO-E1).
[0037] The power amplifier 40 is connected with the signal source main control board 30 and is used for power enhancement of the navigation deception signal.
[0038] The transmitting antenna 50 is used for transmitting the enhanced navigation decoy signal to the target unmanned aerial vehicle to guide the target unmanned aerial vehicle to fly to the designated place.
[0039] The power supply 60 is used for supplying power to the signal source master control board 30 and the power amplifier 40.
[0040] The unmanned aerial vehicle navigation decoy jamming device is connected with the control terminal in a wired or wireless mode after being powered on, and cooperates with the corresponding software in the control terminal to start working and carry out countermeasures against the unmanned aerial vehicle.
[0041] Driving away: making the unmanned aerial vehicle fly straight in the set direction.
[0042] Jamming: transmitting navigation jamming signals to make the unmanned aerial vehicle unable to locate.
[0043] Defense: making the unmanned aerial vehicle hover in the original place and unable to break through the protected area.
[0044] Forced landing: making the unmanned aerial vehicle locate the no-fly area and thus autonomously forced landing.
[0045] When the unmanned aerial vehicle navigation decoy jamming device does not transmit the navigation decoy signal, the unmanned aerial vehicle normally receives the satellite (for example, GPS) signal, and the current position information displayed by the unmanned aerial vehicle is the real-time true geographical position currently located; when the unmanned aerial vehicle navigation decoy jamming device transmits the navigation decoy signal, the unmanned aerial vehicle receives the navigation decoy signal, and the current position information displayed by the unmanned aerial vehicle is the decoy coordinates provided by the unmanned aerial vehicle navigation decoy jamming device; when the navigation decoy signal is turned off, the unmanned aerial vehicle returns to normal and can display the correct real-time true geographical position information. The speed of the unmanned aerial vehicle from being decoyed to returning to normal is related to the design of the unmanned aerial vehicle itself, and different models may have different phenomena.
[0046] The unmanned aerial vehicle navigation decoy jamming device provided by the embodiment can radiate the navigation decoy signal based on the navigation satellite signal regeneration in combination with the location of the device itself and the location of the target unmanned aerial vehicle, intrude into the navigation system of the target unmanned aerial vehicle, intercept and control the unmanned aerial vehicle which needs to control the flight by the navigation system, thereby interfering with the heading of the target unmanned aerial vehicle, guiding the target unmanned aerial vehicle to fly away from the restricted / no-fly area and fly to the designated place, and thus ensuring the low-altitude safety of the target area.
[0047] In some embodiments of the utility model, the signal source master control board 30 is also used for receiving the power adjustment instruction sent by the control terminal, and adjusting the power of the navigation decoy signal output by the power amplifier 40 according to the power adjustment instruction.
[0048] Again refer to Figure 2The device host further comprises a shell, the shell comprises a bottom shell 11 and an upper shell 12, the bottom shell 11 and the upper shell 12 are capped to form a sealed cavity, the receiving antenna 20, the source host board 30, the power amplifier 40, the transmitting antenna 50 and the power supply 60 are all arranged in the cavity. The device host is cooled through the bottom shell 11.
[0049] As shown in Figure 3 The device host further comprises a power interface 72 and a network interface 71, the power interface 72 and the network interface 71 are embedded on the bottom shell. The power interface 72 is used for power input and is powered by an alternating current 220V power supply, and is connected with the input end of the power supply 60 through a three-core power line. The network interface 71 is used for control instruction transmission and firmware upgrade, and is connected with the source host board 30 through a network cable.
[0050] The device host has a simple and concise appearance design, the connection part of the bottom shell 11 and the upper shell 12 is provided with a sealing structure, the power interface 72 adopts a waterproof power interface, and the network interface 71 adopts a waterproof RJ45 communication interface. The receiving antenna 20, the source host board 30, the power amplifier 40, the transmitting antenna 50 and the power supply 60 are integrated in the device host, and the whole machine has IP65 level dustproof and waterproof capability.
[0051] The unmanned aerial vehicle navigation decoy jamming device further comprises a tripod, the top end of the tripod is provided with an adjusting mechanism for adjusting the horizontal and pitch angles of the device host; the source host board 30 receives the angle adjusting instruction sent by the control terminal, and controls the adjusting mechanism to move to adjust the horizontal and pitch angles of the device host according to the angle adjusting instruction. The unmanned aerial vehicle navigation decoy jamming device uses a matched tripod, and can be quickly deployed or integrated into other defense systems.
[0052] The device host further comprises a start button and a reset button, the start button and the reset button are installed on the shell, and the start button and the reset button are connected with the source host board 30 respectively. After the unmanned aerial vehicle navigation decoy jamming device is powered on, the start button is pressed, the control terminal calculates the position and height of the target unmanned aerial vehicle according to the position information of the unmanned aerial vehicle navigation decoy jamming device and the position information of the target unmanned aerial vehicle, generates an angle adjusting instruction according to the position and height of the target unmanned aerial vehicle, and sends the angle adjusting instruction to the unmanned aerial vehicle navigation decoy jamming device to set the horizontal and pitch angles of the device host, then sends a navigation decoy signal to the target unmanned aerial vehicle to realize interference to the navigation of the target unmanned aerial vehicle; after the target unmanned aerial vehicle flies away from the restricted or forbidden flight area according to the specified coordinates of the location provided by the unmanned aerial vehicle navigation decoy jamming device, the reset button is pressed to restore the horizontal and pitch angles of the device host to the mechanical zero position, so that the device host is convenient for boxing and starting the next function.
[0053] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Those skilled in the art can make various equivalent changes and improvements on the basis of the above-described embodiments, and any equivalent changes or modifications made within the scope of claims shall fall within the protection scope of the present application.
Claims
1. A drone navigation deception and jamming device, characterized in that, Includes a device host, the device host comprising: A receiving antenna is used to receive satellite ephemeris data. The signal source main control board is connected to the control terminal and the receiving antenna respectively, and is used to receive the deception command sent by the control terminal. The deception command includes deception coordinate information and specified location coordinate information, and generates a navigation deception signal based on the satellite ephemeris data, the deception coordinate information and the specified location coordinate information. A power amplifier is used to amplify the power of the navigation deception signal; A transmitting antenna is used to transmit enhanced navigation decoy signals to the target drone in order to guide the target drone to fly to a designated location; The power supply is used to power the main control board and power amplifier of the signal source.
2. The UAV navigation deception and jamming device as described in claim 1, characterized in that, The satellite ephemeris data includes GPS satellite ephemeris data and GLONASS satellite ephemeris data; the navigation spoofing signal includes GPS-L1 navigation spoofing signal and GLONASS-L1 navigation spoofing signal.
3. The UAV navigation deception and jamming device as described in claim 2, characterized in that, The satellite ephemeris data also includes GALILEO satellite ephemeris data; the navigation decoy signal also includes the GALILEO-E1 navigation decoy signal.
4. The UAV navigation deception and jamming device as described in claim 1, characterized in that, The main unit of the device also includes a housing, which includes a bottom shell and an upper shell. The bottom shell and the upper shell are fitted together to form a sealed cavity. The receiving antenna, the main control board of the signal source, the power amplifier, the transmitting antenna and the power supply are all disposed in the cavity.
5. The UAV navigation deception and jamming device as described in claim 4, characterized in that, The device host also includes a power interface and a network interface, which are embedded in the bottom shell. The power interface is connected to the input terminal of the power supply, and the network interface is connected to the signal source main control board.
6. The UAV navigation deception and jamming device as described in claim 5, characterized in that, The connection between the bottom shell and the top shell is provided with a sealing structure. The power interface is a waterproof power interface, and the network interface is a waterproof RJ45 communication interface.
7. The UAV navigation deception and jamming device as described in claim 4, characterized in that, The drone navigation deception and jamming device also includes a tripod, the top of which is provided with an adjustment mechanism for adjusting the horizontal and pitch angles of the device host; the signal source main control board receives the angle adjustment command sent by the control terminal, and controls the adjustment mechanism to move according to the angle adjustment command to adjust the horizontal and pitch angles of the device host.
8. The drone navigation deception and jamming device as described in claim 7, characterized in that, The device host also includes a start button and a reset button, which are mounted on the housing and connected to the signal source main control board.
9. The UAV navigation deception and jamming device as described in any one of claims 1-8, characterized in that, The signal source main control board is also used to receive power adjustment instructions sent by the control terminal, and adjust the power of the navigation decoy signal output by the power amplifier according to the power adjustment instructions.
10. A drone navigation deception and jamming system, characterized in that, The device includes a control terminal and a drone navigation deception jamming device that is communicatively connected to the control terminal. The control terminal is used to generate deception commands and send them to the drone navigation deception jamming device. The drone navigation deception jamming device is the drone navigation deception jamming device according to any one of claims 1-9.