阅读说明：本技术 一种分布式无人机干扰拦截系统及方法 (Distributed unmanned aerial vehicle interference interception system and method ) 是由 王建东 刘达斌 付关美 熊佳 卓财生 徐阳光 于 2020-05-25 设计创作，主要内容包括：本发明属于反无人机技术领域,具体涉及一种分布式无人机干扰拦截系统及方法,包括设置于安防区域内的测向基站,测向基站包括有无人机信号探测模块、信号处理模块和第一通信发射模块,测向基站通信连接有预警平台,预警平台设有中央处理器、显示模块、第一通信接收模块和第二通信发射模块,第二通信发射模块通信连接有干扰系统；信号探测模块与信号处理模块电性连接,信号处理模块包括有信号测向模块和GPS定位模块,信号处理模块与第一通信发射模块电性连接,第一通信发射模块与第一通信接收模块通信连接,第一通信接收模块与中央处理器输入端电性连接,第二通信发射模块与干扰系统通信连接。(The invention belongs to the technical field of anti-unmanned aerial vehicles, and particularly relates to a distributed unmanned aerial vehicle interference interception system and a distributed unmanned aerial vehicle interference interception method, which comprise a direction-finding base station arranged in a security area, wherein the direction-finding base station comprises an unmanned aerial vehicle signal detection module, a signal processing module and a first communication transmitting module; the signal detection module is electrically connected with the signal processing module, the signal processing module comprises a signal direction finding module and a GPS positioning module, the signal processing module is electrically connected with the first communication transmitting module, the first communication transmitting module is in communication connection with the first communication receiving module, the first communication receiving module is electrically connected with the input end of the central processing unit, and the second communication transmitting module is in communication connection with the interference system.)

1. The utility model provides a distributed unmanned aerial vehicle interference interception system, is including setting up the direction finding basic station in the safety and defense area, its characterized in that: the direction-finding base station comprises an unmanned aerial vehicle signal detection module, a signal processing module and a first communication transmitting module, the direction-finding base station is in communication connection with an early warning platform, the early warning platform is provided with a central processing unit, a display module, a first communication receiving module and a second communication transmitting module, and the second communication transmitting module is in communication connection with a plurality of interference systems which are uniformly distributed in a security area;

wherein:

the unmanned aerial vehicle signal detection module is used for detecting an image transmission signal sent by an unmanned aerial vehicle and a flight control signal sent by a remote controller, the signal detection module is electrically connected with the signal processing module, the signal processing module comprises a signal direction-finding module and a GPS positioning module, the signal direction-finding module can respectively direction-find and track the image transmission signal and the flight control signal, and the GPS positioning module can be used for locking the positions of emission sources of the image transmission signal and the flight control signal so as to respectively lock the geographic positions of the unmanned aerial vehicle and the remote controller;

the signal processing module is electrically connected with the first communication transmitting module, the first communication transmitting module is in communication connection with the first communication receiving module, the first communication transmitting module can transmit the geographical position information of the unmanned aerial vehicle and the remote controller to the first communication receiving module, the first communication receiving module is electrically connected with the input end of the central processing unit, and the central processing unit is used for processing the geographical position information of the unmanned aerial vehicle and the remote controller and displaying the information through the display module;

the second communication emission module is in communication connection with the interference system, the second communication emission module can emit interference interception instructions to the corresponding interference system according to the geographical position of the unmanned aerial vehicle, and the interference system is used for emitting interference signals to interfere and intercept the unmanned aerial vehicle.

2. The distributed unmanned aerial vehicle interference interception system of claim 1, wherein: the interference system can adopt any one of an artificial interference system and an automatic interference system, wherein:

the second communication transmitting module can transmit an interference interception instruction to the communication equipment in the corresponding area according to the patrol monitoring area of the patrol personnel and prompt the patrol personnel, and after the patrol personnel in the area check the communication equipment to receive the interference interception instruction, the portable interference device can be used for transmitting an interference signal to interfere and intercept an image transmission signal of the unmanned aerial vehicle and a flight control signal of the remote controller;

the automatic interference system is used for a large place of a security area and comprises a fixed interference unit, wherein the fixed interference unit is provided with a second communication receiving module, the second communication transmitting module can monitor the area according to the arrangement of the fixed interference unit, an interference interception instruction is sent to the fixed interference unit in the corresponding area, the second communication receiving module receives the interference instruction, and meanwhile the fixed interference unit transmits an interference signal to interfere and intercept an image transmission signal of an unmanned aerial vehicle and a flight control signal of a remote controller.

3. The distributed unmanned aerial vehicle interference interception system of claim 2, wherein: the interference signal mainly comprises signal frequency bands of 1.5GHz, 2.4GHz, 5GHz, 5.8GHz and 900 MHz.

4. The interference interception method of the distributed interference interception system of unmanned aerial vehicle according to any of claims 1 to 3, wherein: the interference interception method comprises the following steps:

step 1: uniformly dividing the security area according to a grid mode, and arranging an interference system in each grid area;

step 2: the direction-finding base station monitors and detects the unmanned aerial vehicle entering the security area, and positions of the unmanned aerial vehicle and the remote controller are located;

and step 3: the position of the unmanned aerial vehicle is displayed by the early warning platform, an interference system in a grid area corresponding to the position of the unmanned aerial vehicle is selected according to the position of the unmanned aerial vehicle, an interference interception instruction is sent, the interference interception instruction is executed by the corresponding interference system, and an interference signal is transmitted to interfere and intercept the unmanned aerial vehicle.

5. The interference interception method of the distributed interference interception system of the unmanned aerial vehicle according to claim 4, wherein: the early warning platform in the step 3 can be automatically monitored by writing a monitoring program in advance, and can also be manually monitored by a manual watch.

6. The interference interception method of the distributed interference interception system of the unmanned aerial vehicle according to claim 5, wherein: the control flow of the automatic monitoring mode is as follows:

firstly, the direction-finding base station tracks and detects the position information of the unmanned aerial vehicle

Secondly, the early warning platform automatically selects an interference system in a corresponding area according to the position information of the unmanned aerial vehicle, and transmits an interference interception instruction through a second communication transmitting module;

executing an interference interception instruction by the interference system, and transmitting an interference signal to interfere and intercept the unmanned aerial vehicle;

the control flow of the manual monitoring mode is as follows:

firstly, the direction-finding base station tracks and detects the position information of the unmanned aerial vehicle

The staff obtains the position information of the unmanned aerial vehicle through a display module of the early warning platform, manually selects an interference system in a corresponding area according to the position information of the unmanned aerial vehicle, and transmits an interference interception instruction through a second communication transmitting module;

and executing an interference interception instruction by the interference system, and transmitting an interference signal to interfere and intercept the unmanned aerial vehicle.

7. The interference interception method of the distributed unmanned aerial vehicle interference interception system according to claim 5, wherein: the interference system in the step 3 has two modes of interference driving and interference direct descending when executing the interference interception instruction, wherein:

the interference driving mode transmits an interference signal through an interference system, interferes and cuts off a flight control signal sent to the unmanned aerial vehicle by the remote controller, so that the unmanned aerial vehicle and the remote controller lose contact and are out of control, and the unmanned aerial vehicle is controlled to fly to a specified position, land and capture according to a communication signal of an internal GPS and a navigation satellite;

the interference direct landing mode transmits an interference signal through an interference system, interferes and cuts off a flight control signal sent to the unmanned aerial vehicle by the remote controller and a communication signal of a GPS (global positioning system) and a navigation satellite in the unmanned aerial vehicle, so that the unmanned aerial vehicle, the remote controller and the navigation satellite lose contact with each other and are out of control, and the unmanned aerial vehicle slowly and vertically lands on the ground.

Technical Field

The invention belongs to the technical field of anti-unmanned aerial vehicles, and particularly relates to a distributed unmanned aerial vehicle interference interception system and method.

Background

With the explosive growth of the unmanned aerial vehicle industry, the phenomenon that the unmanned aerial vehicle flies black and even the unmanned aerial vehicle is used for terrorist attack, candid shooting, and weapon drugs are secretly transported is becoming serious, and the unmanned aerial vehicle becomes a major hidden danger of national and public safety. The low-altitude airspace (the low altitude below 1000 meters) in China is gradually opened, small targets (such as small unmanned aerial vehicles and the like) in the low altitude become difficult points and key points for monitoring the low altitude airspace in the future, but the existing low altitude airspace monitoring technology and equipment are seriously lagged behind and lack of effective monitoring means, which brings serious hidden dangers to the low altitude safety, meanwhile, the unmanned aerial vehicles develop rapidly, become one of the main threats in the low altitude field, bring huge hidden dangers to aviation activities and national major site safety, the low altitude targets such as unmanned aerial vehicles and navigation airplanes have the characteristics of complex maneuverability, poor collaboration, slower speed, small radar cross-sectional area and the like, are difficult to find, track and dispose, are typical 'low-small-slow' targets, the existing monitoring means in China has extremely limited monitoring capability on the targets, and therefore, the potential safety hazards brought by the unmanned aerial vehicles in the low altitude security airspace, a distributed unmanned aerial vehicle interference interception system and a distributed unmanned aerial vehicle interference interception method are provided to solve the problem of 'black flight' of an unmanned aerial vehicle in a low-altitude security airspace.

Disclosure of Invention

The purpose of the invention is: the distributed unmanned aerial vehicle interference interception system and method are provided to solve the problem of 'black flight' of the unmanned aerial vehicle in the low-altitude airspace.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

a distributed unmanned aerial vehicle interference interception system comprises a direction-finding base station arranged in a security area, wherein the direction-finding base station comprises an unmanned aerial vehicle signal detection module, a signal processing module and a first communication emission module;

wherein:

the unmanned aerial vehicle signal detection module is used for detecting an image transmission signal sent by an unmanned aerial vehicle and a flight control signal sent by a remote controller, the signal detection module is electrically connected with the signal processing module, the signal processing module comprises a signal direction-finding module and a GPS positioning module, the signal direction-finding module can respectively direction-find and track the image transmission signal and the flight control signal, and the GPS positioning module can be used for locking the positions of emission sources of the image transmission signal and the flight control signal so as to respectively lock the geographic positions of the unmanned aerial vehicle and the remote controller;

the signal processing module is electrically connected with the first communication transmitting module, the first communication transmitting module is in communication connection with the first communication receiving module, the first communication transmitting module can transmit the geographical position information of the unmanned aerial vehicle and the remote controller to the first communication receiving module, the first communication receiving module is electrically connected with the input end of the central processing unit, and the central processing unit is used for processing the geographical position information of the unmanned aerial vehicle and the remote controller and displaying the information through the display module;

the second communication emission module is in communication connection with the interference system, the second communication emission module can emit interference interception instructions to the corresponding interference system according to the geographical position of the unmanned aerial vehicle, and the interference system is used for emitting interference signals to interfere and intercept the unmanned aerial vehicle.

Further, the interference system may adopt any one of an artificial interference system and an automatic interference system, wherein:

the second communication transmitting module can transmit an interference interception instruction to the communication equipment in the corresponding area according to the patrol monitoring area of the patrol personnel and prompt the patrol personnel, and after the patrol personnel in the area check the communication equipment to receive the interference interception instruction, the portable interference device can be used for transmitting an interference signal to interfere and intercept an image transmission signal of the unmanned aerial vehicle and a flight control signal of the remote controller;

the automatic interference system is used for a large place of a security area and comprises a fixed interference unit, wherein the fixed interference unit is provided with a second communication receiving module, the second communication transmitting module can monitor the area according to the arrangement of the fixed interference unit, an interference interception instruction is sent to the fixed interference unit in the corresponding area, the second communication receiving module receives the interference instruction, and meanwhile the fixed interference unit transmits an interference signal to interfere and intercept an image transmission signal of an unmanned aerial vehicle and a flight control signal of a remote controller.

In such a mode, different interference systems can be selected to be set according to actual needs, manual interference systems can be adopted in a small area of a security area, equipment cost is saved, automatic interference systems can be adopted in a large and wide area of the security area, and labor cost is saved.

Further, the interference signal mainly includes signal frequency bands of 1.5GHz, 2.4GHz, 5GHz, 5.8GHz and 900 MHz. By the mode, the interference system can aim at the signal frequency band sent by the unmanned aerial vehicle on most markets, and the adaptability and the universality are good.

An interference interception method of a distributed unmanned aerial vehicle interference interception system comprises the following steps:

step 1: uniformly dividing the security area according to a grid mode, and arranging an interference system in each grid area;

step 2: the direction-finding base station monitors and detects the unmanned aerial vehicle entering the security area, and positions of the unmanned aerial vehicle and the remote controller are located;

and step 3: the position of the unmanned aerial vehicle is displayed by the early warning platform, an interference system in a grid area corresponding to the position of the unmanned aerial vehicle is selected according to the position of the unmanned aerial vehicle, an interference interception instruction is sent, the interference interception instruction is executed by the corresponding interference system, and an interference signal is transmitted to interfere and intercept the unmanned aerial vehicle.

Further, the early warning platform in step 3 can be automatically monitored by writing a monitoring program in advance, and can also be manually monitored by a manual watch. The automatic monitoring system adopts two modes of automatic monitoring and manual monitoring, has stronger adaptability, can avoid a large amount of manual operations caused by manual monitoring through automatic monitoring, saves time and labor, and can be operated by workers when the automatic monitoring system breaks down or is maintained through manual monitoring.

Further defined, the automatic monitoring mode control flow is as follows:

firstly, the direction-finding base station tracks and detects the position information of the unmanned aerial vehicle

Secondly, the early warning platform automatically selects an interference system in a corresponding area according to the position information of the unmanned aerial vehicle, and transmits an interference interception instruction through a second communication transmitting module;

executing an interference interception instruction by the interference system, and transmitting an interference signal to interfere and intercept the unmanned aerial vehicle;

the control flow of the manual monitoring mode is as follows:

firstly, the direction-finding base station tracks and detects the position information of the unmanned aerial vehicle

The staff obtains the position information of the unmanned aerial vehicle through a display module of the early warning platform, manually selects an interference system in a corresponding area according to the position information of the unmanned aerial vehicle, and transmits an interference interception instruction through a second communication transmitting module;

and executing an interference interception instruction by the interference system, and transmitting an interference signal to interfere and intercept the unmanned aerial vehicle.

Further limiting, when the interference system in step 3 executes the interference interception instruction, there are two modes of interference driving and interference direct dropping, respectively, where:

the interference driving mode transmits an interference signal through an interference system, interferes and cuts off a flight control signal sent to the unmanned aerial vehicle by the remote controller, so that the unmanned aerial vehicle and the remote controller lose contact and are out of control, and the unmanned aerial vehicle is controlled to fly to a specified position, land and capture according to a communication signal of an internal GPS and a navigation satellite;

the interference direct landing mode transmits an interference signal through an interference system, interferes and cuts off a flight control signal sent to the unmanned aerial vehicle by the remote controller and a communication signal of a GPS (global positioning system) and a navigation satellite in the unmanned aerial vehicle, so that the unmanned aerial vehicle, the remote controller and the navigation satellite lose contact with each other and are out of control, and the unmanned aerial vehicle slowly and vertically lands on the ground.

By adopting the technical scheme, the unmanned aerial vehicle intruding into the security area is tracked and positioned through the direction-finding base station, the unmanned aerial vehicle is subjected to interference interception through the early warning platform and the interference system, the security area is divided into grids, and the interference system is arranged in each grid, so that the security strength in the security area can be ensured, and the unmanned aerial vehicle in the security area is comprehensively interfered and intercepted.

Compared with the prior art, the invention has the following advantages:

1. the direction-finding base station tracks and positions the unmanned aerial vehicle intruding into the security area, then carries out interference interception on the unmanned aerial vehicle through the early warning platform and the interference system, and adopts two monitoring modes of manual and automatic, so that the applicability is good;

2. the interference system has two establishing modes, and can be deployed by selecting a reasonable mode aiming at areas with different sizes, so that the deployment cost of the system can be saved;

3. the method comprises the following steps of performing grid division on a security area, and setting an interference system in each grid, so that security strength in the security area can be ensured, and thus the unmanned aerial vehicle in the security area is comprehensively interfered and intercepted;

4. the grid division of the security area sets up interference system in each net, can guarantee the security protection dynamics in the security area to comprehensive disturb and intercept unmanned aerial vehicle in the security area.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural diagram of a distributed unmanned aerial vehicle interference interception system and method according to an embodiment of the present invention;

fig. 2 is a schematic flow chart of an embodiment of a distributed unmanned aerial vehicle interference interception system and method of the present invention;

fig. 3 is a schematic flow diagram of an artificial interference system in an embodiment of a distributed unmanned aerial vehicle interference interception system and method of the present invention;

fig. 4 is a schematic flow diagram of an automatic jamming system according to an embodiment of the interference intercepting system and method for a distributed unmanned aerial vehicle of the present invention;

fig. 5 is a schematic view of an automatic monitoring and manual monitoring process of an embodiment of the distributed unmanned aerial vehicle interference interception system and method of the present invention;

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the distributed interference interception system for unmanned aerial vehicles of the present invention comprises a direction-finding base station disposed in a security area, wherein the direction-finding base station comprises an unmanned aerial vehicle signal detection module, a signal processing module and a first communication transmission module, the direction-finding base station is communicatively connected with an early warning platform, the early warning platform is provided with a central processing unit, a display module, a first communication receiving module and a second communication transmission module, and the second communication transmission module is communicatively connected with a plurality of interference systems uniformly distributed in the security area; the unmanned aerial vehicle signal detection module is used for detecting an image transmission signal sent by the unmanned aerial vehicle and a flight control signal sent by the remote controller, the signal detection module is electrically connected with the signal processing module, the signal processing module comprises a signal direction-finding module and a GPS positioning module, the signal direction-finding module can respectively direction-finding and tracking the image transmission signal and the flight control signal, and the GPS positioning module can be used for locking the positions of emission sources of the image transmission signal and the flight control signal so as to respectively lock the geographical positions of the unmanned aerial vehicle and the remote controller; the signal processing module is electrically connected with the first communication transmitting module, the first communication transmitting module is in communication connection with the first communication receiving module, the first communication transmitting module can transmit the geographical position information of the unmanned aerial vehicle and the remote controller to the first communication receiving module, the first communication receiving module is electrically connected with the input end of the central processing unit, and the central processing unit is used for processing the geographical position information of the unmanned aerial vehicle and the remote controller and displaying the information through the display module; the second communication transmitting module is in communication connection with the interference system, the second communication transmitting module can transmit an interference intercepting instruction to the corresponding interference system according to the geographical position of the unmanned aerial vehicle, and the interference system is used for transmitting an interference signal to interfere and intercept the unmanned aerial vehicle.

Specifically, the interference system may adopt any one of an artificial interference system and an automatic interference system, wherein:

the artificial interference system is used in a place with a small security area and comprises communication equipment, patrol personnel and a portable interference unit, wherein the second communication transmitting module can transmit an interference interception instruction to the communication equipment in the corresponding area according to the patrol monitoring area of the patrol personnel and prompt the patrol personnel, and the patrol personnel in the area can transmit an interference signal to interfere and intercept an image transmission signal of the unmanned aerial vehicle and a flight control signal of a remote controller after checking that the communication equipment receives the interference interception instruction by using the portable interference unit;

the automatic interference system is used for a large place of a security area and comprises a fixed interference unit, wherein the fixed interference unit is provided with a second communication receiving module, the second communication transmitting module can monitor the area according to the arrangement of the fixed interference unit, interference interception instructions are sent to the fixed interference unit in the corresponding area and received by the second communication receiving module, and meanwhile, the fixed interference unit transmits interference signals to interfere and intercept an image transmission signal of the unmanned aerial vehicle and a flight control signal of a remote controller.

In such a mode, different interference systems can be selected to be set according to actual needs, manual interference systems can be adopted in a small area of a security area, equipment cost is saved, automatic interference systems can be adopted in a large and wide area of the security area, and labor cost is saved.

Specifically, the interference signal mainly includes signal frequency bands of 1.5GHz, 2.4GHz, 5GHz, 5.8GHz, and 900 MHz. By the mode, the interference system can aim at the signal frequency band sent by the unmanned aerial vehicle on most markets, and the adaptability and the universality are good.

An interference interception method of a distributed unmanned aerial vehicle interference interception system comprises the following steps:

step 1: uniformly dividing the security area according to a grid mode, and arranging an interference system in each grid area;

step 2: the direction-finding base station monitors and detects the unmanned aerial vehicle entering the security area, and positions of the unmanned aerial vehicle and the remote controller are located;

and step 3: the position of the unmanned aerial vehicle is displayed by the early warning platform, an interference system in a grid area corresponding to the position of the unmanned aerial vehicle is selected according to the position of the unmanned aerial vehicle, an interference interception instruction is sent, the interference interception instruction is executed by the corresponding interference system, and an interference signal is transmitted to interfere and intercept the unmanned aerial vehicle.

Specifically, the early warning platform in step 3 can be automatically monitored by writing a monitoring program in advance, and can also be manually monitored by a manual watch. The automatic monitoring system adopts two modes of automatic monitoring and manual monitoring, has stronger adaptability, can avoid a large amount of manual operations caused by manual monitoring through automatic monitoring, saves time and labor, and can be operated by workers when the automatic monitoring system breaks down or is maintained through manual monitoring.

Specifically, the control flow of the automatic monitoring mode is as follows:

firstly, the direction-finding base station tracks and detects the position information of the unmanned aerial vehicle

Secondly, the early warning platform automatically selects an interference system in a corresponding area according to the position information of the unmanned aerial vehicle, and transmits an interference interception instruction through a second communication transmitting module;

executing an interference interception instruction by the interference system, and transmitting an interference signal to interfere and intercept the unmanned aerial vehicle;

the control flow of the manual monitoring mode is as follows:

firstly, the direction-finding base station tracks and detects the position information of the unmanned aerial vehicle

The staff obtains the position information of the unmanned aerial vehicle through a display module of the early warning platform, manually selects an interference system in a corresponding area according to the position information of the unmanned aerial vehicle, and transmits an interference interception instruction through a second communication transmitting module;

and executing an interference interception instruction by the interference system, and transmitting an interference signal to interfere and intercept the unmanned aerial vehicle.

Specifically, the interference system in step 3 has two modes of interference driving and interference direct-falling when executing the interference interception instruction, wherein:

in the interference driving mode, an interference signal is transmitted through an interference system, and a flight control signal sent to the unmanned aerial vehicle by a remote controller is interfered and cut off, so that the unmanned aerial vehicle loses contact with the remote controller and is out of control, and the unmanned aerial vehicle is controlled to fly to a specified position to land and capture according to an internal communication signal of a GPS and a navigation satellite;

the interference direct landing mode transmits an interference signal through an interference system, interferes and cuts off a flight control signal sent to the unmanned aerial vehicle by the remote controller and a communication signal of a GPS (global positioning system) and a navigation satellite in the unmanned aerial vehicle, so that the unmanned aerial vehicle, the remote controller and the navigation satellite lose contact with each other and are out of control, and the unmanned aerial vehicle slowly and vertically lands on the ground.

By adopting the technical scheme, the unmanned aerial vehicle intruding into the security area is tracked and positioned through the direction-finding base station, the unmanned aerial vehicle is subjected to interference interception through the early warning platform and the interference system, the security area is divided into grids, and the interference system is arranged in each grid, so that the security strength in the security area can be ensured, and the unmanned aerial vehicle in the security area is comprehensively interfered and intercepted.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.