CN114173305A - Emergency communication system based on unmanned aerial vehicle - Google Patents
Emergency communication system based on unmanned aerial vehicle Download PDFInfo
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- CN114173305A CN114173305A CN202111519814.2A CN202111519814A CN114173305A CN 114173305 A CN114173305 A CN 114173305A CN 202111519814 A CN202111519814 A CN 202111519814A CN 114173305 A CN114173305 A CN 114173305A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The application discloses an emergency communication system based on an unmanned aerial vehicle, which comprises the unmanned aerial vehicle and a ground station, wherein the unmanned aerial vehicle comprises an emergency communication guarantee nacelle, a public network mobile communication base station antenna and a satellite communication device; a private network broadband ad hoc network device, a private network broadband ad hoc network device antenna, a narrow-band ad hoc network communication load and a narrow-band ad hoc network communication load antenna which are arranged in the emergency communication guarantee nacelle establish an airborne data link with a command control station so as to realize private network mobile communication; the emergency communication guarantee nacelle is further provided with mobile public network equipment, the mobile public network equipment and a satellite communication link ground station establish a satellite communication link to achieve public network mobile communication, public network mobile communication can be achieved, private network mobile communication can also be achieved, and guarantee is provided for emergency communication under the disaster condition.
Description
Technical Field
The application relates to the technical field of unmanned aerial vehicles, in particular to an emergency communication system based on an unmanned aerial vehicle.
Background
When natural disasters such as earthquakes, floods, debris flows and the like occur, ground communication facilities are seriously damaged, so that communication is interrupted. A helium boat or a hot air balloon can be used for carrying a mobile base station to go to the upper space of a disaster area to form an aerial mobile platform, so that emergency communication is realized. However, the helium airship has high cost, complex and large ground equipment and great operation and maintenance difficulty, and is difficult to enter practical application areas and sites; the fire balloon is difficult to control and has poor safety. Although a fixed-wing airplane or a helicopter can conveniently and quickly enter a disaster area, the fixed-wing airplane or the helicopter cannot carry a mobile base station due to the limited load capacity; the small-sized fixed wing unmanned aerial vehicle is mostly only used for the relay repeater with small volume and weight in terms of communication, but the relay repeater with small volume and weight has a limited range for signal coverage.
Therefore, how to implement communication in a task area with interrupted communication and provide guarantee for emergency communication in case of disaster is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The utility model aims at providing an emergent communication system based on unmanned aerial vehicle for realize the communication in the task area of communication interrupt, provide the guarantee for emergency communication under the disaster condition.
In order to solve the technical problem, the application provides an emergency communication system based on an unmanned aerial vehicle, which comprises the unmanned aerial vehicle and a ground station, wherein the unmanned aerial vehicle comprises an emergency communication guarantee nacelle, a public network mobile communication base station antenna and a satellite communication device, the ground station comprises a command control station and a satellite communication link ground station, the satellite communication link ground station is provided with a first satellite communication interface conversion unit, and the first satellite communication interface conversion unit is connected with a mobile core network;
a private network broadband ad hoc network device, a private network broadband ad hoc network device antenna, a narrow-band ad hoc network communication load and a narrow-band ad hoc network communication load antenna are arranged in the emergency communication guarantee nacelle; the private network broadband ad hoc network device, the private network broadband ad hoc network device antenna, the narrowband ad hoc network communication load and the narrowband ad hoc network communication load antenna are used for establishing an airborne data link with the command control station to realize private network mobile communication;
the command control station is used for uploading task planning and control instructions to the unmanned aerial vehicle through the airborne data chain; the unmanned aerial vehicle is used for circling after reaching the upper part of the task area according to the task plan and the control instruction; the public network mobile communication base station antenna is used for covering wireless signals to the task area;
the mobile public network equipment is arranged in the emergency communication guarantee nacelle and used for establishing an onboard satellite communication link with the satellite communication equipment, the onboard satellite communication link is used for sending public network mobile communication data to a satellite, the satellite transmits the public network mobile communication data back to a satellite communication link ground station, and the satellite communication link ground station transmits the public network mobile communication data to the mobile core network to realize public network mobile communication, wherein the mobile public network equipment comprises a radio frequency remote module, a baseband processing unit and a second satellite communication interface conversion unit.
Preferably, the public network mobile communication base station antenna includes a first public network mobile communication base station antenna, a second public network mobile communication base station antenna and a third public network mobile communication base station antenna, the first public network mobile communication base station antenna is located the aircraft belly of the unmanned aerial vehicle, the second public network mobile communication base station antenna and the third public network mobile communication base station antenna are respectively located under two wings of the unmanned aerial vehicle, the first public network mobile communication base station antenna, the second public network mobile communication base station antenna and the third public network mobile communication base station antenna have an inclination angle of 30 ° with respect to each other.
Preferably, the narrowband ad hoc network communication load comprises a digital wireless ad hoc network forwarding station, a narrowband ad hoc network relay station and a base station type multi-hop link machine.
Preferably, unmanned aerial vehicle includes power supply unit, power supply unit includes power and distribution device, power supply unit with unmanned aerial vehicle's consumer is connected, is used for doing the consumer supplies power.
Preferably, the power distribution device comprises a distribution box and a power conversion box, the power conversion box is arranged in the emergency communication support pod, and the power conversion box is connected with the distribution box and is used for converting the voltage transmitted by the distribution box into the voltage required by the mobile public network equipment, the private network broadband ad hoc network equipment, the narrow-band ad hoc network communication load and the CCD aerial survey camera.
Preferably, a GIU is further arranged in the emergency communication support pod, and the GIU is connected with the CCD aerial survey camera, and is used for sending downlink telemetering data of the CCD aerial survey camera to the command control station through the airborne data chain, and is also used for receiving uplink telemetering data sent by the command control station through the airborne data chain.
Preferably, the GIU is connected to the power conversion box and further configured to receive an up-down control instruction sent by the command control station through the onboard data link to control the power conversion box to power up or power down the mobile public network device, the private network broadband ad hoc network device, the narrowband ad hoc network communication load, and the CCD aerial survey camera.
Preferably, the command control station comprises a satellite communication portable station and a DVI video matrix, wherein the DVI video matrix is used for accessing video data into the satellite communication portable station, and the satellite communication portable station is used for transmitting the video data to an emergency administration command center through a communication satellite.
Preferably, the drone further comprises a photovoltaic pod.
Preferably, the emergency communication security pod is arranged on the belly of the unmanned aerial vehicle, and the sanitary equipment is arranged on the head of the unmanned aerial vehicle.
The emergency communication system based on the unmanned aerial vehicle comprises the unmanned aerial vehicle and a ground station, wherein the unmanned aerial vehicle comprises an emergency communication guarantee nacelle, a public network mobile communication base station antenna and a satellite communication device; a private network broadband ad hoc network device, a private network broadband ad hoc network device antenna, a narrow-band ad hoc network communication load and a narrow-band ad hoc network communication load antenna which are arranged in the emergency communication guarantee nacelle establish an airborne data link with a command control station so as to realize private network mobile communication; the emergency communication guarantee nacelle is further provided with mobile public network equipment, the mobile public network equipment and a satellite communication link ground station establish a satellite communication link to achieve public network mobile communication, public network mobile communication can be achieved, private network mobile communication can also be achieved, and guarantee is provided for emergency communication under the disaster condition.
Drawings
In order to more clearly illustrate the embodiments of the present application, the drawings needed for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a structural diagram of an emergency communication system based on an unmanned aerial vehicle according to an embodiment of the present application;
FIG. 2 is a block diagram of an emergency communication security pod according to an embodiment of the present disclosure;
fig. 3 is a structural diagram of a mobile public network device and a satellite communication device according to an embodiment of the present disclosure;
fig. 4 is an electrical connection diagram of a power conversion box according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.
The core of this application is to provide an emergent communication system based on unmanned aerial vehicle.
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings.
Fig. 1 is a structure diagram of an emergency communication system based on an unmanned aerial vehicle according to an embodiment of the present application. As shown in fig. 1, the unmanned aerial vehicle comprises a public network mobile communication base station antenna 1, a photoelectric pod 2, a satellite communication device 3 and an emergency communication security pod 4. Emergency communication guarantee nacelle 4 sets up in unmanned aerial vehicle's ventral, keeps away from the equipment 3 that leads to of defending that sets up in the aircraft nose, avoids the electromagnetic interference problem. The photoelectric pod 2 is an important component in photoelectric reconnaissance alarm technology and equipment thereof, and is core equipment for unmanned aerial vehicle reconnaissance, and fills a special tactical reconnaissance role of a piloted aircraft, can be widely used for reconnaissance on land, on the sea, in the air and in space, and is provided with vehicles, naval vessels, airplanes, satellites and the like as a carrier. The ground station comprises a command control station 5 and a satellite communication link ground station 6, and the command control station 5 comprises a satellite communication portable station and a DVI video matrix. The satellite communication link ground station 6 is in an N/P state, and a first satellite communication interface conversion unit is arranged on the satellite communication link ground station 6 and is connected with the mobile core network through the first satellite communication interface conversion unit.
Fig. 2 is a structural diagram of an emergency communication support pod according to an embodiment of the present application, and as shown in fig. 2, the emergency communication support pod 4 includes a power conversion box, a private network broadband ad hoc network device antenna, a narrowband ad hoc network communication load antenna, a baseband processing unit, a radio frequency zooming-out module, a second satellite-based communication conversion unit, and a CCD aerial survey camera.
The emergency communication guarantee pod 4 is provided with a private network broadband ad hoc network device, a private network broadband ad hoc network device antenna, a narrow-band ad hoc network communication load and a narrow-band ad hoc network communication load antenna. The private network broadband ad hoc network device, the private network broadband ad hoc network device antenna, the narrow-band ad hoc network communication load and the narrow-band ad hoc network communication load antenna are used for establishing an airborne data link with a command control station 5 in the ground station so as to realize private network mobile communication. The command control station 5 is used for uploading task planning and control instructions to the unmanned aerial vehicle through an airborne data chain; the unmanned aerial vehicle is used for circling after reaching the upper space of the task area according to the task planning and the control instruction; the public network mobile communication base station antenna 1 is used for covering wireless signals to a task area; the mobile public network equipment is arranged in the emergency communication guarantee nacelle 4 and used for establishing an onboard satellite communication link with the satellite communication equipment 3, the onboard satellite communication link is used for sending public network mobile communication data to a satellite, the satellite transmits the public network mobile communication data back to a satellite communication link ground station 6, the satellite communication link ground station 6 transmits the public network mobile communication data to a mobile core network so as to realize public network mobile communication, and the mobile public network equipment comprises a radio frequency remote module, a baseband processing unit and a second satellite communication interface conversion unit. Fig. 3 is a structural diagram of a mobile public network device and a satellite device provided in an embodiment of the present application, and as shown in fig. 3, an onboard satellite link is established between the mobile public network device and the satellite device 3, after a public network mobile communication base station antenna 1 covers a wireless signal to a task area, public network mobile communication data is sent to a satellite through the onboard satellite link, the satellite is transmitted back to a ground station, a satellite link ground station 6 is transmitted to a mobile core network through a first satellite interface conversion unit, and the mobile public network link is opened without a private network terminal, and a common terminal user can access the mobile public network device to realize public network mobile communication. And the continuous coverage of emergency communication on the space of the disaster area is realized, and the continuous uninterrupted communication link is ensured in the rescue process. Meanwhile, the mobile core network and the ground station can be configured to be limited access based on the white list function of the mobile core network and the ground station, so that a designated user can access, and the communication and video quality of emergency rescue personnel can be guaranteed.
The emergency communication system based on the unmanned aerial vehicle comprises the unmanned aerial vehicle and a ground station, wherein the unmanned aerial vehicle comprises an emergency communication guarantee nacelle, a public network mobile communication base station antenna and a satellite communication device; a private network broadband ad hoc network device, a private network broadband ad hoc network device antenna, a narrow-band ad hoc network communication load and a narrow-band ad hoc network communication load antenna which are arranged in the emergency communication guarantee nacelle establish an airborne data link with a ground station so as to realize private network mobile communication; the emergency communication guarantee nacelle is further provided with mobile public network equipment, the mobile public network equipment and a satellite communication link ground station establish a satellite communication link to achieve public network mobile communication, public network mobile communication can be achieved, private network mobile communication can also be achieved, and guarantee is provided for emergency communication under the disaster condition.
Based on the above embodiments, the public network mobile communication base station antenna 1 in this embodiment of the application includes a first public network mobile communication base station antenna, a second public network mobile communication base station antenna, and a third public network mobile communication base station antenna, the first public network mobile communication base station antenna is disposed on the belly of the unmanned aerial vehicle, the second public network mobile communication base station antenna and the third public network mobile communication base station antenna are respectively disposed below two wings of the unmanned aerial vehicle, and an inclination angle between the first public network mobile communication base station antenna, the second public network mobile communication base station antenna, and the third public network mobile communication base station antenna is 30 °, so that a public network mobile communication coverage area is the same as an ad hoc network mobile communication coverage area.
Based on the above embodiments, the narrowband ad hoc network communication load 8 in the embodiment of the present application includes a digital wireless ad hoc network forwarding station, a narrowband ad hoc network relay station, and a base station type multi-hop link machine.
The digital wireless ad hoc network repeater (E-pack100) adopts a wireless interconnection form, realizes service coverage of large-range voice, short data and the like through cascade connection, is directly compatible with a PDT terminal, and realizes digital service coverage. The portable communication equipment is independent of a public network, is all-weather, has no blind area, is simple and reliable, can be used immediately, and is easy to disassemble and construct. The E-pack100, ground same-type equipment and a handheld interphone form a narrow-band communication link to realize voice information transmission; the digital and analog modes are supported, and the working channel can be intelligently selected according to the type of the received signal; the E-pack100 can support up to 32 node devices to realize chain, mesh, star or mixed type wireless automatic networking; and 1-path half-duplex voice group call service is supported. Through the external handheld device, half-duplex voice communication service can be realized, all terminal interconnection calls in a coverage range are realized, and unified command and scheduling are realized; the E-pack100 digital wireless ad hoc network forwarding station adopts a leading design idea and a mature communication technology, breaks through the grade hop limit of similar products in the industry, and can support ad hoc cascade among 32 nodes to the maximum extent, thereby realizing the intercommunication of voice and digital services among a plurality of nodes at a longer distance and in a larger coverage area.
A narrowband ad hoc network relay station (SmartLink600) narrowband ad hoc network system adopts the same-frequency ad hoc network technology and a distributed network architecture. The method supports any network topology structure, such as point-to-point, point-to-multipoint, chain relay, mesh network, hybrid network topology and the like, supports multi-hop relay, can randomly and quickly move each node device, can quickly change and update the system topology along with the node device, and does not influence system transmission. The SmartLink600 narrowband ad hoc network relay station can realize the rapid ad hoc construction of a remote wireless voice communication network under all-weather complex scenes on the premise of not depending on an external network and other communication equipment. It has the following characteristics: supporting a chain type, star type, network type and mixed type networking mode, wherein the chain type network supports up to 32 nodes at most; the machine body screen and the keys are arranged, so that the parameters of the machine can be quickly set, and automatic networking can be completed within one minute after the machine is started; through a well-optimized radio frequency circuit, the ad hoc network radio station has good wireless performance and can realize large-scale ad hoc network coverage; if the ad hoc network radio station node needs to be connected with the large network, a wireless link extension module can be selectively installed, and data interconnection with the large network is realized in a wireless routing mode; the hand microphone or the PTT earphone can be connected to participate in the current call through the audio interface at the side of the equipment; the system is compatible with the PDT terminal, digital communication service coverage is realized, and the method is suitable for scenes that a public network and an original private network are difficult to use due to congestion, disaster damage, artificial damage and other factors. The ad hoc network narrow-band radio station communication network can play a good role in communication supplement and substitution, and can guarantee long-time cruising and stable use.
The base station type multi-hop link machine (RD980) is used as link equipment, wireless link interconnection among a plurality of relay stations is achieved through a multi-hop cascade mode, and the base station type multi-hop link machine serves as relay station service data. The method has the characteristics of rapid network construction, wireless remote communication, unified whole-network scheduling, unified command, high reuse rate, strong network repairability, reliable compatibility and the like. The base station type multi-hop link machine realizes remote wireless networking in a cascading multi-hop mode, can be fused with a digital conventional system, is compatible with an analog system, realizes interconnection and intercommunication of all terminals in a coverage range and uniformly commands and schedules. Among them, RD980 supports remote (connected to internet by IP port) and local diagnostics (by USB) PC application software to monitor, diagnose and control the relay station state, thereby improving work efficiency; RDAC software developed by the Haita supports multi-site network connection, and allows an administrator to monitor interphones accessed to the network; the RD980 supports automatic switching of analog and digital channels, allowing efficient frequency sharing between analog and digital users during the conversion to digital; the RD980 supports 1024 channels at most, and each channel allows effective interphone network control, so that channel switching can be conveniently carried out; RD980 supports analog-to-digital hybrid operating modes.
The E-pack100 is connected with a narrow-band ad hoc network communication load antenna 9 through a UHF antenna interface; the SmartLink600 is connected with a narrow-band ad hoc network communication load antenna 9 through an N-type antenna interface; the RD980 is connected with the narrowband ad hoc network communication payload antenna 9 through a BNC antenna interface.
Based on above-mentioned embodiment, unmanned aerial vehicle of this application embodiment includes power supply unit, and power supply unit includes power and distribution device, and power supply unit is connected with unmanned aerial vehicle's consumer for supply power for consumer.
Table 1 is a composition table of a power supply device provided in an embodiment of the present application.
Table 1 power supply device composition table
The power supply device is a general name of a whole set of devices for generating, converting, distributing and conveying electric energy to electric equipment, and comprises a power supply and a power distribution device. Because former power supply unit can only provide 28V's voltage for consumer, there are some consumers to the requirement difference of power supply voltage, for example, when carrying on the mobile public network equipment on unmanned aerial vehicle, the special demand of mobile public network equipment power supply (-48V), there is the problem that former power supply unit can't satisfy its power supply demand. The unmanned aerial vehicle power supply device of the embodiment of the application is additionally provided with the power supply conversion box on the basis of the pterosaur-2 unmanned aerial vehicle power supply device, and is used for distributing power for newly added loads such as mobile public network equipment, wide and narrow band equipment (private network broadband ad hoc network equipment and narrow band ad hoc network communication loads) and CCD aerial survey cameras. Distribution device includes block terminal and power conversion box, and the power conversion box sets up in emergency communication support nacelle 4, and the power conversion box is connected with the block terminal for the voltage that carries the block terminal converts the required voltage of removal public network equipment, private network broadband ad hoc network equipment, narrowband ad hoc network communication load and CCD aerial survey camera into respectively, and wherein CCD aerial survey camera still includes reserve CCD aerial survey camera. And a General Interface Unit (GIU) is further arranged in the emergency communication support pod 4, and the GIU is connected with the CCD aerial survey camera and used for sending downlink telemetering data of the CCD aerial survey camera to the command control station 5 through an airborne data chain and receiving uplink telemetering data sent by the command control station 5 through the airborne data chain. The GIU is also connected with the power supply conversion box and is also used for receiving an up-down control command sent by the command control station 5 through the airborne data chain so as to control the power supply conversion box to power on or power off the mobile public network equipment, the wide-band and narrow-band equipment and the CCD aerial survey camera.
Fig. 4 is an electrical connection diagram of a power conversion box according to an embodiment of the present application, in which a distribution box and a GIU are connected through a first connector, which may be a connector PS1, and a command control station 5 is instructed to upload a telemetry control command, and power is supplied to a load through an onboard data chain and the GIU by using 3 discrete quantities to control the power conversion box. The first control signal controls power output and supplies power to mobile public network equipment (a radio frequency remote module, a baseband processing unit and a satellite communication interface conversion unit) through a second connector; the second control signal controls power output, and supplies power to the wide-band and narrow-band equipment (sea energy reaches iMesh-3800V (broadband), sea energy reaches E-pack100 (narrowband), sea energy reaches RD980 (narrowband), Zhongxing reaches sMesh900 (narrowband), atlantoaxial MESH (broadband), Zhongxing reaches sMesh100 (broadband)) through a third connector; the third control signal controls the power output to power the CCD aerial camera and the backup via the fourth connector.
Based on the above embodiment, the ground end includes a command control station 5 and a satellite link ground station 6. The command and control station 5 includes a satellite communication portable station and a DVI video matrix. The command control station 5 is connected with the portable station, and then connected with the fire-fighting satellite through the satellite communication portable station to be transmitted back to the emergency command center hall for display. The portable satellite communication station is a domestic integrated satellite communication station with completely independent intellectual property rights designed and developed based on multi-mode mixed networking requirements, and supports various networking modes such as point-to-point, mesh networks, star networks and the like. The DVI video matrix can lead out the display picture on each seat through HDMI and access the satellite communication portable station, and the DVI video matrix is installed in the cabinet of the command control station 5.
Specifically, the command control station 5 is provided with CCD aerial survey camera control software, power supply control software, and communication middleware software.
The task monitoring seat of the command control station 5 is added with CCD aerial survey camera control software to provide the control and state display functions of the CCD aerial survey camera, and the main functions are as follows: a) controlling the CCD aerial surveying camera to start to photograph; b) controlling the CCD aerial survey camera to stop photographing; c) calculating a photographing interval parameter according to the input average flight height and the input overlapping rate and uploading the photographing interval parameter to the CCD aerial surveying camera; d) and receiving feedback information of the CCD aerial survey camera, including instruction feedback, photographing quantity parameters, storage capacity parameters and the like, and monitoring in real time.
The task monitoring seats of the command control station 5 are additionally provided with power supply control software to provide the power-on and power-off control functions of the mobile public network equipment, the wide-band and narrow-band equipment and the CCD aerial survey camera, and the main functions are as follows: a) providing a power-on or power-off function for the mobile public network equipment; b) providing power-on or power-off functions of the broadband and narrowband equipment; c) and the power-on or power-off function of the CCD aerial survey camera is provided.
The task monitoring seats of the command control station 5 are added with communication middleware software to provide processing and distribution of downlink telemetering data and uplink telemetering data of loads communicated with the GIU, and the main functions are as follows: a) receiving CCD aerial survey camera downlink telemetering data sent by the GIU through an airborne data link, and forwarding the CCD aerial survey camera telemetering data to CCD aerial survey camera control software; b) and receiving uplink remote control data sent by the CCD aerial survey camera control software, and sending the uplink remote control data to the GIU through a link.
The emergency communication system based on the unmanned aerial vehicle provided by the application is described in detail above. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. An emergency communication system based on an unmanned aerial vehicle is characterized by comprising the unmanned aerial vehicle and a ground station, wherein the unmanned aerial vehicle comprises an emergency communication guarantee nacelle, a public network mobile communication base station antenna and a satellite communication device, the ground station comprises a command control station and a satellite communication link ground station, the satellite communication link ground station is provided with a first satellite communication interface conversion unit, and the first satellite communication interface conversion unit is connected with a mobile core network;
a private network broadband ad hoc network device, a private network broadband ad hoc network device antenna, a narrow-band ad hoc network communication load and a narrow-band ad hoc network communication load antenna are arranged in the emergency communication guarantee nacelle; the private network broadband ad hoc network device, the private network broadband ad hoc network device antenna, the narrowband ad hoc network communication load and the narrowband ad hoc network communication load antenna are used for establishing an airborne data link with the command control station to realize private network mobile communication;
the command control station is used for uploading task planning and control instructions to the unmanned aerial vehicle through the airborne data chain; the unmanned aerial vehicle is used for circling after reaching the upper part of the task area according to the task plan and the control instruction; the public network mobile communication base station antenna is used for covering wireless signals to the task area;
the mobile public network equipment is arranged in the emergency communication guarantee nacelle and used for establishing an onboard satellite communication link with the satellite communication equipment, the onboard satellite communication link is used for sending public network mobile communication data to a satellite, the satellite transmits the public network mobile communication data back to a satellite communication link ground station, and the satellite communication link ground station transmits the public network mobile communication data to the mobile core network to realize public network mobile communication, wherein the mobile public network equipment comprises a radio frequency remote module, a baseband processing unit and a second satellite communication interface conversion unit.
2. The emergency communication system based on the unmanned aerial vehicle of claim 1, wherein the public network mobile communication base station antenna comprises a first public network mobile communication base station antenna, a second public network mobile communication base station antenna and a third public network mobile communication base station antenna, the first public network mobile communication base station antenna is disposed at a belly of the unmanned aerial vehicle, the second public network mobile communication base station antenna and the third public network mobile communication base station antenna are respectively disposed under two wings of the unmanned aerial vehicle, and an inclination angle between the first public network mobile communication base station antenna, the second public network mobile communication base station antenna and the third public network mobile communication base station antenna is 30 °.
3. The unmanned-aerial-vehicle-based emergency communication system of claim 1, wherein the narrowband ad hoc network communication payload comprises a digital wireless ad hoc network repeater, a narrowband ad hoc network repeater, a base station-based multi-hop link machine.
4. The emergency communication system based on unmanned aerial vehicle of claim 1, wherein the unmanned aerial vehicle comprises a power supply device, the power supply device comprises a power source and a power distribution device, and the power supply device is connected with the electric equipment of the unmanned aerial vehicle and used for supplying power to the electric equipment.
5. The unmanned aerial vehicle-based emergency communication system of claim 4, wherein the power distribution device comprises a distribution box and a power conversion box, the power conversion box is disposed in the emergency communication security pod, and the power conversion box is connected to the distribution box and is configured to convert the voltage transmitted by the distribution box into the voltage required by the mobile public network device, the private network broadband ad hoc network device, the narrowband ad hoc network communication load, and the CCD aerial survey camera, respectively.
6. The emergency communication system based on unmanned aerial vehicle as claimed in claim 5, wherein the emergency communication security pod further comprises a GIU, and the GIU is connected with the CCD aerial survey camera, and is configured to send downlink telemetry data of the CCD aerial survey camera to the command control station through the onboard data chain, and is further configured to receive uplink telemetry data sent by the command control station through the onboard data chain.
7. The unmanned aerial vehicle-based emergency communication system of claim 5 or 6, wherein the GIU is connected to the power conversion box and further configured to receive a power-up and power-down control command sent by the command control station through the onboard data link to control the power conversion box to power up or power down the mobile public network device, the private network broadband ad hoc network device, the narrowband ad hoc network communication load, and the CCD aerial survey camera.
8. The drone-based emergency communication system of claim 1, wherein the command control station includes a satellite communication portable station and a DVI video matrix for accessing video data to the satellite communication portable station for transmitting the video data to an emergency authority command center via a communication satellite.
9. The drone-based emergency communication system of claim 1, wherein the drone further includes a photovoltaic pod.
10. The drone-based emergency communication system of claim 1, wherein the emergency communication assurance pod is disposed in a belly of the drone and the satellite equipment is disposed in a head of the drone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519814.2A CN114173305A (en) | 2021-12-13 | 2021-12-13 | Emergency communication system based on unmanned aerial vehicle |
Applications Claiming Priority (1)
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| CN115603798A (en) * | 2022-11-28 | 2023-01-13 | 四川腾盾科技有限公司（Cn） | Satellite communication system of whole-network emergency communication unmanned aerial vehicle |
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| CN115603798A (en) * | 2022-11-28 | 2023-01-13 | 四川腾盾科技有限公司（Cn） | Satellite communication system of whole-network emergency communication unmanned aerial vehicle |
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