Unmanned aerial vehicle active defense equipment based on navigation signal decoy interference
By using a drone defense device based on navigation signal deception and interference, low-power GNSS signals are used to deceive and interfere with the drone's navigation, thus solving the problem of damage to unrelated equipment caused by high-power directional electromagnetic waves and enabling the safe departure and forced landing of drones.
Patent Information
- Application Number
- CN202520195653.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Existing radio countermeasures against drones may damage unrelated equipment and cause electromagnetic environment chaos by using high-power directional electromagnetic wave interference.
The drone defense equipment adopts navigation signal deception jamming. It receives GNSS signal data through the main control circuit board to generate deception signals, and uses a low-power GNSS signal transmission module to carry out navigation deception jamming, thereby realizing the setting of no-fly zones and targeted driving away.
It effectively avoids damage to unrelated equipment, enables the active driving away or forced landing of drones, and solves the problem of collateral damage caused by high-power directional electromagnetic waves.
Smart Images
Figure CN223758280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to unmanned aerial vehicle radio countermeasure technical field, concretely relates to a kind of unmanned aerial vehicle active defense equipment based on navigation signal decoy interference. BACKGROUND
[0002] With the rapid development of unmanned aerial vehicle technology, various unmanned aerial vehicle applications present gusher development, its low cost, easy control, convenient to carry and so on, make it in patrol traffic, survey topography, farmland water conservancy and so on many fields show ability, but the continuous emergence of more and more advanced unmanned aerial vehicle also brings security and privacy aspect's hidden danger.Currently, unmanned aerial vehicle radio countermeasure means mainly through emitting high-power directional electromagnetic wave to interfere with the communication link or the image transmission link of unmanned aerial vehicle, forces unmanned aerial vehicle to land or forced to return.But, this unmanned aerial vehicle radio countermeasure means can also interfere with irrelevant equipment, long-time emission high-power directional electromagnetic wave is easy to injure other electronic equipment, even possibly lead to surrounding electromagnetic environment confusion, there is certain collateral damage problem. SUMMARY
[0003] The utility model aims at above -mentioned problem, provide a kind of based on navigation signal decoy interference unmanned aerial vehicle active defense equipment with reasonable design, emission uses power low.
[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of based on navigation signal decoy interference unmanned aerial vehicle active defense equipment, including the main control circuit board that GNSS signal data from signal receiving module is received and satellite signal is analyzed to generate decoy signal, satellite navigation signal data are received in real time and are transmitted to the main control circuit board by signal receiving module, signal transmitting module emits low-power GNSS signal decoy interference signal to navigate decoy interference to the unmanned aerial vehicle using GNSS positioning, power module provides the electric energy that equipment operation provides, the wireless communication module that the main control circuit board 1 is connected to realize power transmission and data communication, the main control circuit board is connected signal receiving module, signal transmitting module;The main control circuit board has the MCU module and module peripheral circuit of ARM Cortex architecture.
[0005] The main control circuit board receives GNSS signal data from signal receiving module and generates decoy signal after satellite signal analysis, and signal transmitting module emits low-power GNSS signal decoy interference signal to navigate decoy interference to the unmanned aerial vehicle using GNSS positioning, effectively solve the problem of collateral damage of high-power directional electromagnetic wave, and the use effect is good.The global navigation satellite system is GNSS in English.
[0006] In the unmanned aerial vehicle active defense equipment based on navigation signal deception jamming, the MCU module is expanded to lead out GPIO interface, SIM interface, ADC interface and serial port through IO interface, a plurality of SMA interfaces, DC interfaces, RJ45 interfaces, SPI interfaces, PWM interfaces, USB interfaces, RS485 interfaces, UART interfaces, RS232 interfaces and I2C interfaces are arranged on the peripheral circuit of the module. The interfaces are rich, and diversified and customized function requirements can be met.
[0007] In the unmanned aerial vehicle active defense equipment based on navigation signal deception jamming, the signal receiving module comprises a receiving antenna and a signal filtering module, the receiving antenna is connected with the signal filtering module through an SMA interface and realizes radio frequency signal transmission, and the signal filtering module is connected with the main control circuit board through an SMA interface and realizes radio frequency signal transmission. The signal receiving module is convenient for receiving GPS and GLONASS satellite navigation signals.
[0008] In the unmanned aerial vehicle active defense equipment based on navigation signal deception jamming, the signal transmitting module comprises a power division module, a power amplifier module and a transmitting antenna, the power division module is connected with the main control circuit board through an SMA interface and realizes radio frequency signal transmission, the power amplifier module is connected with the power division module through an SMA interface and realizes radio frequency signal transmission, power transmission is performed between the power amplifier module and the main control circuit board through a DC interface, and the transmitting antenna is connected with the power amplifier module through an SMA interface and realizes radio frequency signal transmission. The signal transmitting module is convenient for transmitting GPS and GLONASS satellite navigation deception jamming signals, and navigation deception jamming is realized on the unmanned aerial vehicle using GNSS positioning by transmitting low-power deception jamming signals, without causing damage.
[0009] In the unmanned aerial vehicle active defense equipment based on navigation signal deception jamming, the power supply module comprises a voltage conversion module and a voltage stabilizing module connected with each other, and the voltage stabilizing module is connected with the main control circuit board through a DC interface and performs power transmission. The power supply module is convenient for stably, reliably and continuously supplying power for the equipment in various working environments.
[0010] In the unmanned aerial vehicle active defense equipment based on navigation signal deception jamming, the wireless communication module comprises a network surge protection module, a network switching module, a 4G communication module and a 4G communication antenna, the network surge protection module, the 4G communication module and the main control circuit board are connected with the network switching module through an RJ45 interface, the 4G communication antenna is connected with the 4G communication module through an SMA interface and realizes radio frequency signal transmission, and the 4G communication module is connected with the main control circuit board through a USB interface to realize power transmission and data communication. The wireless communication module supports multiple communication protocols and data formats, and is convenient for the equipment to effectively transmit data and communicate with a remote system.
[0011] In the unmanned aerial vehicle active defense equipment based on navigation signal decoy jamming, the receiving antenna adopts a GNSS wideband mushroom head timing antenna.
[0012] In the unmanned aerial vehicle active defense equipment based on navigation signal decoy jamming, the power division module adopts a radio frequency microstrip power divider of 800-3000 MHz, the gain of the power amplifier module is 40 dB, the direct current voltage is 28 V, the transmitting antenna adopts a GNSS passive transmitting mushroom head antenna, and the transmitting power is less than or equal to 10 mW.
[0013] In the unmanned aerial vehicle active defense equipment based on navigation signal decoy jamming, the MCU module is connected with peripheral circuits outside the module through an IO interface, a GPIO interface is extended to connect SMA interfaces, DC interfaces, RJ45 interfaces, SPI interfaces, PWM interfaces of the peripheral circuits outside the module, and a serial port is extended to connect USB interfaces, RS485 interfaces, UART interfaces, RS232 interfaces and I2C interfaces of the peripheral circuits outside the module.
[0014] In the unmanned aerial vehicle active defense equipment based on navigation signal decoy jamming, the network surge protection module adopts a 1000M network surge lightning protector, and the direct current voltage of the 4G communication module is 5 V.
[0015] Compared with the prior art, the main control circuit board of the unmanned aerial vehicle active defense equipment based on navigation signal decoy jamming receives satellite navigation signal data in real time, analyzes and calculates the satellite navigation signal data in real time to generate decoy jamming signals, transmits small-power GNSS decoy jamming signals through a signal transmitting module, and realizes unmanned aerial vehicle navigation decoy jamming with functions of no-fly zone setting, regional denial, directional driving and the like, so that unmanned aerial vehicles in a protection area are actively driven away or forced to land without causing any harm, and the problem of high-power directional electromagnetic waves causing harm is effectively solved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a connection block diagram of the whole structure of the utility model;
[0017] Figure 2 is a connection block diagram of the signal transmitting module in the utility model;
[0018] Figure 3 is a connection block diagram of the wireless communication module in the utility model;
[0019] Figure 4 is a connection block diagram of the main control circuit board in the utility model;
[0020] In the figure, the main control circuit board 1, the MCU module 11, the GPIO interface 111, the SIM interface 112, the ADC interface 113, the serial port 114, the module peripheral circuit 12, the SMA interface 121, the DC interface 122, the RJ45 interface 123, the SPI interface 124, the PWM interface 125, the USB interface 126, the RS485 interface 127, the UART interface 128, the RS232 interface 129, the I2C interface 130, the signal receiving module 2, the receiving antenna 21, the signal filtering module 22, the signal transmitting module 3, the power division module 31, the power amplifier module 32, the transmitting antenna 33, the power supply module 4, the voltage conversion module 41, the voltage stabilizing module 42, the wireless communication module 5, the network surge protection module 51, the network switching module 52, the 4G communication module 53, and the 4G communication antenna 54. DETAILED DESCRIPTION
[0021] The utility model will be made further detailed explanation in combination with the drawings and specific implementation.
[0022] As Figures 1-4 shown, a kind of unmanned aerial vehicle active defense equipment based on navigation signal decoy jamming, including main control circuit board 1, main control circuit board 1 is connected with signal receiving module 2, signal transmitting module 3, power supply module 4 and wireless communication module 5, main control circuit board has the MCU module 11 of ARM Cortex architecture and module peripheral circuit 12.Main control circuit board 1 can receive satellite navigation signal data in real time by signal receiving module 2, and satellite navigation signal data is analyzed and calculated in real time and produces decoy jamming signal, simultaneously, by signal transmitting module 3 transmit low-power GNSS decoy jamming signal to be navigated decoy jamming to the unmanned aerial vehicle using GNSS positioning, further realize the unmanned aerial vehicle navigation decoy jamming of no-fly zone setting, area denial, directional drive-off function, so that unmanned aerial vehicle in protection area is actively driven away or forced landing.Low-power GNSS range is 1.4-8.4mW, and actual transmission power size can be adjusted by setting host computer software parameter.
[0023] Wherein, the MCU module 11 is expanded by IO interface extension and leads to GPIO interface 111, SIM interface 112, ADC interface 113 and serial port 114, and a plurality of SMA interfaces 121, DC interfaces 122, RJ45 interfaces 123, SPI interfaces 124, PWM interfaces 125, USB interfaces 126, RS485 interfaces 127, UART interfaces 128, RS232 interfaces 129 and I2C interfaces 130 are equipped on module peripheral circuit 12.
[0024] Specifically, the signal receiving module 2 includes a receiving antenna 21 and a signal filtering module 22, the receiving antenna 21 is connected with the signal filtering module 22 through an SMA interface 121 and realizes radio frequency signal transmission, and the signal filtering module 22 is connected with the main control circuit board 1 through the SMA interface 121 and realizes radio frequency signal transmission. The receiving antenna 21 can receive GPS and GLONASS satellite navigation signals. The filtering module 22 can receive the GPS and GLONASS satellite navigation signals of the receiving antenna 21 and perform filtering processing on the received GPS and GLONASS satellite navigation signals through a filtering algorithm.
[0025] Further, the signal transmitting module 3 includes a power dividing module 31, a power amplifier module 32 and a transmitting antenna 33, the power dividing module 31 is connected with the main control circuit board 1 through an SMA interface 121 and realizes radio frequency signal transmission, the power amplifier module 32 is connected with the power dividing module 31 through an SMA interface 121 and realizes radio frequency signal transmission, and the power amplifier module 32 performs power transmission between the main control circuit board 1 through a DC interface 122. The transmitting antenna 33 is connected with the power amplifier module 32 through an SMA interface 121 and realizes radio frequency signal transmission. The power dividing module 31 can simultaneously receive one GPS satellite navigation input signal and one GLONASS satellite navigation input signal generated by the main control circuit board 1 and combine the two input signals into one signal for output. The power amplifier module 32 can amplify the power of the satellite navigation radio frequency signal input by the power dividing module 31 to provide sufficient signal strength for subsequent unmanned aerial vehicle active defense signal transmission. The transmitting antenna 33 adopts an omnidirectional antenna and can omnidirectionally transmit the GPS and GLONASS satellite navigation signals generated by the main control circuit board 1, combined by the power dividing module 31 and amplified by the power amplifier module 32.
[0026] More specifically, the power supply module 4 includes a voltage conversion module 41 and a voltage stabilization module 42 connected with each other, and the voltage stabilization module 42 is connected with the main control circuit board 1 through a DC interface 122 and performs power transmission. The voltage conversion module 41 converts the input 220V / 50Hz alternating current into 12V and 5V direct current. The voltage stabilization module 42 stabilizes the voltage output by the voltage conversion module 41, reduces voltage fluctuation and ensures stable 12V and 5V direct current supply.
[0027] Further, the wireless communication module 5 includes a network surge protection module 51, a network switching module 52, a 4G communication module 53 and a 4G communication antenna 54, the network surge protection module 51, the 4G communication module 53 and the main control circuit board 1 are all connected with the network switching module 52 through an RJ45 interface 123, the 4G communication antenna 54 is connected with the 4G communication module 53 through an SMA interface 121 and realizes radio frequency signal transmission, and the 4G communication module 53 is connected with the main control circuit board 1 through a USB interface 126 to realize power transmission and data communication.
[0028] Obviously, the receiving antenna 21 adopts a GNSS wideband mushroom head time service antenna.
[0029] Preferably, the power division module 31 adopts an 800-3000MHz radio frequency microstrip power divider, the gain of the power amplifier module 32 is 40dB, the direct current voltage is 28V, and the transmitting antenna 3 adopts a GNSS passive transmitting mushroom head antenna with a transmitting power ≤10mW.
[0030] Obviously, the MCU module 11 is connected with the module peripheral circuit 12 through an IO interface, the GPIO interface 111 extends and leads out to connect the SMA interface 121, the DC interface 122, the RJ45 interface 123, the SPI interface 124, and the PWM interface 125 of the module peripheral circuit 12, and the serial port 114 extends and leads out to connect the USB interface 126, the RS485 interface 127, the UART interface 128, the RS232 interface 129, and the I2C interface 130 of the module peripheral circuit 12.
[0031] In detail, the network surge protection module 51 adopts a 1000M network surge lightning protection device, and the direct current voltage of the 4G communication module 53 is 5V.
[0032] In summary, the principle of the embodiment is that the main control circuit board 1 with the ARM Cortex architecture MCU module 11 analyzes satellite navigation signal data received by the signal receiving module 2 in real time, and the main control circuit board 1 generates a decoy jamming signal according to the analyzed satellite navigation signal data through an algorithm, and at the same time, a small-power GNSS decoy jamming signal is transmitted through the signal transmitting module 3 to perform navigation decoy jamming interference on the unmanned aerial vehicle using GNSS positioning, further realizing the functions of the unmanned aerial vehicle navigation decoy jamming interference such as no-fly zone setting, regional denial, and directional driving, so that the unmanned aerial vehicle in the protection area is actively driven away or forced to land.
[0033] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.
[0034] Although the terms master control circuit board 1, MCU module 11, GPIO interface 111, SIM interface 112, ADC interface 113, serial port 114, module peripheral circuit 12, SMA interface 121, DC interface 122, RJ45 interface 123, SPI interface 124, PWM interface 125, USB interface 126, RS485 interface 127, UART interface 128, RS232 interface 129, I2C interface 130, signal receiving module 2, receiving antenna 21, signal filtering module 22, signal transmitting module 3, power division module 31, power amplifier module 32, transmitting antenna 33, power supply module 4, voltage conversion module 41, voltage stabilization module 42, wireless communication module 5, network surge protection module 51, network switching module 52, 4G communication module 53, 4G communication antenna 54 are used more in the text, but the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.
Claims
1. An unmanned aerial vehicle active defense device based on navigation signal deception jamming, characterized in that, The application relates to a GNSS signal deception device, which comprises a main control circuit board (1) for receiving GNSS signal data from a signal receiving module and generating a deception signal after satellite signal analysis, a signal receiving module (2) for receiving satellite navigation signal data in real time and transmitting the data to the main control circuit board (1), a signal transmitting module (3) for transmitting a small-power GNSS signal deception interference signal to realize navigation deception interference on a GNSS positioning unmanned aerial vehicle, a power supply module (4) for providing power supply for equipment operation, and a wireless communication module (5) connected with the main control circuit board (1) to realize power transmission and data communication, wherein the main control circuit board (1) is connected with the signal receiving module (2) and the signal transmitting module (3); the main control circuit board is provided with an MCU module (11) with an ARM Cortex structure and a module peripheral circuit (12).
2. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 1, characterized in that, The MCU module (11) is provided with a GPIO interface (111), a SIM interface (112), an ADC interface (113) and a serial port (114) which are extended from an IO interface of the MCU module (11); and the module peripheral circuit (12) is provided with an SMA interface (121), a DC interface (122), an RJ45 interface (123), an SPI interface (124), a PWM interface (125), a USB interface (126), an RS485 interface (127), a UART interface (128), an RS232 interface (129) and an I2C interface (130).
3. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 2, characterized in that, The signal receiving module (2) comprises a receiving antenna (21) and a signal filtering module (22), the receiving antenna (21) is connected with the signal filtering module (22) through the SMA interface (121) and realizes radio frequency signal transmission, and the signal filtering module (22) is connected with the main control circuit board (1) through the SMA interface (121) and realizes radio frequency signal transmission.
4. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 2, characterized in that, The signal transmitting module (3) comprises a power dividing module (31), a power amplifier module (32) and a transmitting antenna (33), the power dividing module (31) is connected with the main control circuit board (1) through the SMA interface (121) and realizes radio frequency signal transmission, the power amplifier module (32) is connected with the power dividing module (31) through the SMA interface (121) and realizes radio frequency signal transmission, power transmission is realized between the power amplifier module (32) and the main control circuit board (1) through the DC interface (122), and the transmitting antenna (33) is connected with the power amplifier module (32) through the SMA interface (121) and realizes radio frequency signal transmission.
5. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 2, characterized in that, The power supply module (4) comprises a voltage transformation module (41) and a voltage stabilization module (42) which are connected with each other, and the voltage stabilization module (42) is connected with the main control circuit board (1) through the DC interface (122) and realizes power transmission.
6. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 2, characterized in that, The wireless communication module (5) comprises a network surge protection module (51), a network switching module (52), a 4G communication module (53) and a 4G communication antenna (54), the network surge protection module (51), the 4G communication module (53) and the main control circuit board (1) are connected with the network switching module (52) through an RJ45 interface (123), the 4G communication antenna (54) is connected with the 4G communication module (53) through an SMA interface (121) and realizes radio frequency signal transmission, and the 4G communication module (53) is connected with the main control circuit board (1) through a USB interface (126) to realize power transmission and data communication.
7. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 3, characterized in that, The receiving antenna (21) is a GNSS wideband mushroom head timing antenna.
8. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 4, characterized in that, The power division module (31) is a 800-3000MHz radio frequency microstrip power divider, the gain of the power amplifier module (32) is 40dB, the direct current voltage is 28V, the transmitting antenna (33) is a GNSS passive transmitting mushroom head antenna, and the transmitting power is less than or equal to 10mW.
9. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 2, characterized in that, The MCU module (11) is connected with the module peripheral circuit (12) through an IO interface, the GPIO interface (111) extends and leads out an SMA interface (121), a DC interface (122), an RJ45 interface (123), an SPI interface (124) and a PWM interface (125) connected with the module peripheral circuit (12), and the serial port (114) extends and leads out a USB interface (126), an RS485 interface (127), a UART interface (128), an RS232 interface (129) and an I2C interface (130) connected with the module peripheral circuit (12).
10. The unmanned aerial vehicle active defense device based on navigation signal deception jamming according to claim 6, characterized in that, The network surge protection module (51) is a 1000M network surge protection lightning arrester, and the direct current voltage of the 4G communication module (53) is 5V.