Unmanned aerial vehicle based on multi-network integration

Abstract

The invention relates to an unmanned aerial vehicle based on multi-network integration. The unmanned aerial vehicle comprises a host, multi-network integration equipment and a plurality of rotor wings, wherein the multi-network integration equipment is arranged on one surface of the host; communication devices in a mobile communication mode and a satellite communication mode are integrated in the multi-network integration equipment; the plurality of rotor wings are respectively connected with the main machine; a control chip is integrated in the host and is used for controlling the motors of the plurality of rotor wings so as to realize flight control of the unmanned aerial vehicle, and is also used for controlling a communication device in the multi-network integration equipment so as to realize selection and management of communication modes under a preset strategy.

Description

Technical Field

[0001] The present invention relates to the technical field of emergency communication in railway transportation, and in particular to a drone based on multi-network integration. Background Art

[0002] Railway transportation undertakes a large number of passenger and freight transportation tasks. Due to the complexity of the railway system and the diversity of its operating environment, railway transportation may face various emergencies, such as natural disasters, accidents, disasters, public health events, etc.

[0003] In these emergency situations, timely and accurate communication is essential to ensure the safety and efficient operation of railway transportation and to carry out emergency rescue work. Therefore, building a complete railway emergency communication system has become an important issue in the development of the railway industry.

[0004] The demand analysis of railway emergency communication system is as follows:

[0005] (1) Rapid response to emergencies

[0006] Railway emergencies are often sudden and urgent, requiring the emergency communication system to be activated at the first time to quickly transmit event information to relevant departments and personnel. For example, when natural disasters such as earthquakes and floods occur, railway lines may be damaged and train operations may be affected. At this time, it is necessary to promptly notify train drivers to stop and avoid danger, and report the situation to the railway dispatching center and emergency command department.

[0007] (2) Ensure accurate transmission of information

[0008] In emergency situations, the accuracy of information is crucial. Railway emergency communication systems need to ensure that the information transmitted is clear and accurate to avoid wrong decisions due to incorrect information. For example, during the rescue process of an accident, rescuers need to accurately understand the situation at the accident site, including the location of the accident, the number of casualties, the degree of equipment damage, etc., in order to formulate a reasonable rescue plan.

[0009] (3) Information exchange between passengers and their families

[0010] In railway emergencies, passengers and their families are often in a state of extreme worry. It is crucial to establish an effective information exchange mechanism between passengers and their families. On the one hand, passengers can use the emergency communication system to report safety to their families and relieve their anxiety. For example, when a train stops temporarily due to a malfunction, passengers can use the emergency communication equipment on the train to send text messages or voice messages to their families to inform them of their location and situation. On the other hand, family members can also convey care and encouragement to passengers through specific channels to enhance passengers' confidence and sense of security. At the same time, the railway department can also promptly inform passengers' families of the progress of the incident and rescue arrangements through the information exchange mechanism to improve the transparency of emergency rescue work.

[0011] However, the current railway emergency communication system has exposed some problems and cannot fully meet the above requirements. Its defects are mainly manifested in:

[0012] 1. Communication network vulnerability

[0013] Although the railway emergency communication system adopts a variety of technical means, the communication network may still be damaged in some extreme cases. For example, in natural disasters such as earthquakes and floods, the communication infrastructure may suffer serious damage, resulting in the interruption of wired and wireless communications. In addition, malicious attacks, electromagnetic interference, etc. may also affect the normal operation of the communication network.

[0014] (II) Information security risks

[0015] With the development of information technology, railway emergency communication systems are facing more and more information security risks. For example, hacker attacks, virus infections, etc. may cause emergency communication systems to be paralyzed, and information leakage may affect the smooth implementation of emergency rescue work. Therefore, strengthening information security protection has become an important challenge facing railway emergency communication systems.

[0016] 3. Cross-departmental collaboration is difficult

[0017] Railway emergency rescue involves multiple departments, and the communication systems between departments are different, making it difficult to coordinate operations. For example, different departments may use different communication frequencies and protocols, resulting in poor information transmission. In addition, the command and coordination mechanism between departments also needs to be further improved to improve the efficiency of emergency rescue. Summary of the invention

[0018] In view of the above problems, the purpose of the present invention is to provide a drone based on multi-network integration, which combines the drone with the multi-network integration technology to realize the mobile communication mode or the satellite communication mode, solve the problems of incomplete communication coverage and poor network stability that railway emergency communication may face in complex environments, and at the same time, utilize the mobility and flexibility of the drone to quickly deploy to the railway accident site or remote areas, ensure that the communication link is established in time in an emergency, and provide convenient network access for on-site rescue personnel, so as to facilitate their information query, data transmission and collaborative communication, and improve the efficiency of emergency rescue. The short message sending function can still realize the transmission of key information when the network signal is weak or interrupted, and ensure the effective communication between the emergency command center and the scene.

[0019] To achieve the above object, the present invention adopts the following technical solutions:

[0020] In a first aspect, the present application provides a multi-network fusion-based drone, comprising at least: a host, a multi-network fusion device, and a plurality of rotors; wherein:

[0021] The multi-network integration device is installed on one surface of the host; the multi-network integration device internally integrates communication devices of mobile communication mode and satellite communication mode;

[0022] The plurality of rotors are respectively connected to the main engine;

[0023] The host is integrated with a control chip for controlling the motors of the multiple rotors to achieve flight control of the drone, and also for controlling the communication device in the multi-network fusion device to achieve the preset strategy. of Selection and management of communication modes.

[0024] In one implementation, the multi-network integration device includes a front shell and a rear shell, and a communication device arranged between the front shell and the rear shell;

[0025] The communication device integrates a composite substrate, an array antenna, a heat sink, a power amplifier, a frequency converter, a short message communication module, a satellite modem, a wireless router and a SIM / UIM module; the above modules integrated in the communication device realize mobile communication or satellite communication under the control of the control chip.

[0026] In one implementation, the preset strategy includes: network adaptive selection and automatic satellite search calculation; wherein,

[0027] Network adaptive selection, for selecting one of the communication networks for communication according to the signal parameters of different communication networks in the area where the UAV is located;

[0028] Automatic satellite search calculation is used to adjust the direction of the array antenna when the selected communication network belongs to the satellite communication mode, so as to realize the signal parameter requirements of the corresponding satellite communication mode.

[0029] In one implementation, the multi-network integration device is further integrated with an antenna pointing device;

[0030] The antenna pointing device, under the control of the control chip, adjusts the angle of rotation of the multi-network integration device relative to the host.

[0031] In one implementation, the array antenna includes a driving amplifier, a power divider, a radio frequency micromodule and an array antenna unit connected in sequence;

[0032] The driving amplifier is used to receive the initial excitation signal and amplify it; the power dividers perform equal-amplitude and in-phase power division on the amplified signal and distribute it to multiple radio frequency micro modules; each radio frequency micro module is provided with the same number of array unit antennas.

[0033] In one implementation, the control chip is also used for data security management and communication traffic management.

[0034] In one implementation, the drone is further equipped with a support frame.

[0035] In one implementation, the drone also includes a control terminal and an optoelectronic device.

[0036] In one implementation, the control terminal is equipped with an ADS-B device and a laser radar.

[0037] In one implementation, the optoelectronic device is used for image acquisition and target recognition.

[0038] The present invention adopts the above technical solution, which has the following advantages:

[0039] 1) Ensure smooth communication

[0040] Quickly establish a network connection at the site of the outage to ensure that staff and passengers can communicate with the outside world in a timely manner and avoid panic and confusion caused by information interruption.

[0041] It enables emergency rescue personnel to report on-site conditions and receive instructions in a timely manner, thereby improving rescue efficiency and accuracy.

[0042] Passengers can stay in touch with family and friends even when the Internet is disconnected, thus alleviating anxiety.

[0043] 2) Improve work efficiency

[0044] Staff can obtain the required information resources, such as maps, technical data, etc., through the Internet to better complete appoint Service.

[0045] Realize real-time transmission and sharing of data, facilitate team collaboration and speed up work progress.

[0046] For some tasks that require remote guidance, such as equipment maintenance and medical first aid, network connection allows experts to provide timely support.

[0047] 3) Enhance emergency response capabilities

[0048] In emergency situations such as natural disasters and accidents, Internet-connected drone equipment can be quickly deployed to provide critical network support for rescue work.

[0049] It helps the command center to grasp the on-site situation in a timely manner, make scientific decisions and allocate resources.

[0050] Real-time disaster information and safety tips can be released to the public through the Internet to enhance the public's awareness of self-protection.

[0051] 4) Expand network coverage

[0052] By utilizing multi-network convergence technology, we can break through the coverage limitations of traditional terrestrial networks and extend network services to remote areas or areas with complex terrain.

[0053] Provide temporary network solutions for places where it is difficult to build fixed network infrastructure.

[0054] The position of the drone can be flexibly adjusted as needed to optimize network coverage. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 is a front view of a drone according to an embodiment of the present invention;

[0056] Figure 2 is a left side view of the drone according to an embodiment of the present invention;

[0057] Figure 3 is a top view of a drone according to an embodiment of the present invention;

[0058] Figure 4 is a top view of a multi-network integration device provided by an embodiment of the present invention;

[0059] Figure 5 and Figure 6 This is a schematic diagram of an automatic star-seeking and orbiting method provided by an embodiment of the present invention;

[0060] Figure 7 It is a schematic diagram of the cross-sectional structure of a multi-network integration device according to an embodiment of the present invention;

[0061] Figure 8 is a circuit schematic diagram of an array antenna in an embodiment of the present invention;

[0062] Fig. 9 It is a schematic diagram of the UAV application process of an application scenario of the present invention;

[0063] The description of the reference numerals in the accompanying drawings is as follows:

[0064] 1. Multi-network fusion equipment; 2. Host; 3. Rotor; 4. Control terminal; 5. Support frame; 6. Optoelectronic equipment; 1-1. Antenna unit; 1-2. Housing; 1-3. Composite substrate; 1-4. RF through hole; 1-5. Heat dissipation hole; 1-6. Control / feed through hole; 1-7. Copper plate; 1-8. RF power distribution network; 1-9. Control / feed distribution network; 1-10. RF micromodule; 1-11. Heat spreader; 1-12. Power amplifier; 1-13. Low-noise downconverter; 1-14. Short message communication; 1-15. Satellite modem; 1-16. Wireless router; 1-17. SIM / UIM module; 1-18. Antenna pointing device; 1-19. Housing (rear); 1-20. Servo motor drive device; 1-21. Control chip;. DETAILED DESCRIPTION

[0065] To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be combined with the embodiments of the present invention. of The accompanying drawings clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0066] In view of the problem in the prior art, an embodiment of the present invention provides a drone based on multi-network fusion, comprising at least: a host, a multi-network fusion device, and a plurality of rotors; wherein:

[0067] The multi-network integration device is installed on one surface of the host; the multi-network integration device internally integrates communication devices of mobile communication mode and satellite communication mode;

[0068] The plurality of rotors are respectively connected to the main engine;

[0069] The host is integrated with a control chip for controlling the motors of the multiple rotors to achieve flight control of the drone, and is also used to control the communication devices in the multi-network fusion equipment to achieve selection and management of communication modes under preset strategies.

[0070] The above-mentioned drone is described in a more detailed embodiment below in conjunction with more drawings of the present application.

[0071] In this embodiment, Figure 1 , Figure 2 and Figure 3 The overall structure of the UAV includes a multi-network fusion device 1, a host 2, a rotor 3, a control terminal 4, a support frame 5 and an optoelectronic device 6. The description of each part is as follows:

[0072] 1-Multi-network integration equipment:

[0073] 1) Realize multi-network converged connection: Integrate mobile communication modes (such as 2G / 3G / 4G / 5G) and satellite communication modes to ensure that stable network connections can be quickly established in different environments to provide guarantee for data transmission.

[0074] 2) Enable multiple devices to access the Internet: With an integrated wireless router (such as WiFi), any device that can connect to WiFi, such as mobile phones, notebooks, and other communication devices, can use the network according to the coverage of the wireless router, achieving rapid response in communication and ensuring timely transmission of information.

[0075] 2-Host:

[0076] 1) Core Control Center: Responsible for processing various data and instructions, coordinating the work of various parts of the drone, and ensuring the stable operation of the drone.

[0077] 2) Equipped with key components: Provide installation locations for important components such as multi-network integration equipment and control terminals to ensure the integration of the entire system.

[0078] 3) Automatic control of multi-network integration terminals: Control the upper-end drone and move it up and down, forward and backward in a surround manner, almost achieving 360° rotating satellite search control.

[0079] Satellite search control diagram Figure 5 and Figure 6 .

[0080] 4) Power supply device: Place batteries to power the drone itself and the payload.

[0081] 4-Control terminal (equipped with ADS-B, LiDAR):

[0082] 1) ADS-B function:

[0083] Enhanced situational awareness: Receive and send information such as the location and speed of other drones to improve the drone’s airspace middle visibility to avoid collisions with other aircraft.

[0084] Improve flight safety: Provide operators with real-time information about surrounding airspace, helping them make safer flight decisions.

[0085] 2) Laser radar function:

[0086] Obstacle Avoidance Warning: By emitting laser beams and receiving reflected signals, the distance and shape of obstacles in the drone's surrounding environment are accurately measured, providing key data for obstacle avoidance and navigation.

[0087] 3) PTZ control

[0088] Control the rotation direction of photoelectric, etc.

[0089] 5-Support frame:

[0090] 1) Support the drone: Provide stable support for the drone when it is parked and taking off and landing to prevent the drone from tipping over or being damaged.

[0091] 2) Protective components: They can protect the bottom structure and key components of the drone and reduce the impact of external shocks on the drone.

[0092] 6- Optoelectronic equipment:

[0093] 1) Image acquisition: Through optoelectronic devices such as cameras, high-resolution images and videos can be collected to provide intuitive visual information for tasks such as reconnaissance and monitoring.

[0094] 2) Target recognition: The imaging function of optoelectronic equipment can be used to identify and track specific targets, improving the accuracy and efficiency of the task.

[0095] In the embodiment of the present application, the top view of the multi-network integration device is as follows: Figure 4 The internal structure is as follows. Figure 7 .

[0096] The various structural units it contains are described as follows:

[0097] 1-1 Antenna unit (array): used to receive and transmit a variety of network signals, including satellite signals, mobile communication signals, etc. Array design can enhance the signal reception and transmission capabilities, improve communication quality and stability;

[0098] 1-2 Shell (front, fiberglass cover): protects the internal components and prevents damage to the equipment from dust, moisture, impact, etc. in the external environment. The fiberglass cover has good permeability, insulation and corrosion resistance, and can also ensure good signal transmission.

[0099] 1-3 Composite substrate: Provides a foundation for installation and connection of various electronic components, and plays a supporting and fixing role. Composite substrate has good electrical and mechanical properties, which can ensure stable connection and signal transmission between electronic components.

[0100] 1-4 RF vias: Allow RF signals to be transmitted between circuits on different layers, achieving signal routing and connection. The design of RF vias needs to consider factors such as signal frequency and power to ensure signal quality and stability.

[0101] 1-5 Heat dissipation holes: Help the device dissipate heat and prevent internal electronic components from being damaged due to overheating. Heat dissipation holes can promote air circulation, dissipate the heat generated by the device, and keep the device within the appropriate operating temperature range.

[0102] 1-6 Control / feed through hole: used to transmit control signals and power signals to achieve control and power supply of the device. control The design of control / feeding vias needs to consider the stability and reliability of the signal to ensure the normal operation of the equipment.

[0103] 1-7 Copper plate: As a grounding layer or shielding layer, it can reduce electromagnetic interference and improve signal quality. The copper plate can also help dissipate heat and improve the stability and reliability of the equipment.

[0104] 1-8 RF power splitter network: distributes the input RF signal to different output ports to achieve signal power distribution and routing. The design of the RF power splitter network needs to consider factors such as the frequency and power of the signal to ensure the quality and stability of the signal.

[0105] 1-9 Control / feed distribution network: distributes control signals and power signals to different electronic components to control and power the equipment. The design of the control / feed distribution network needs to consider the stability and reliability of the signal to ensure the normal operation of the equipment.

[0106] 1-10 RF micromodule: Integrates some functions of RF circuits, such as amplifiers, filters, mixers, etc. RF micromodules can improve the integration and performance of equipment and reduce the size and weight of equipment.

[0107] 1-11 Vapor chamber: helps the device dissipate heat evenly and prevents local temperature from being too high. The vapor chamber can quickly transfer heat to the heat dissipation holes or other heat dissipation components to improve the heat dissipation efficiency of the device.

[0108] 1-12 Power amplifier: amplifies the RF signal and increases the signal transmission power. The performance of the power amplifier directly affects the communication distance and signal quality of the device.

[0109] 1-13 Low noise down converter: Converts the received high frequency RF signal into a lower frequency intermediate frequency signal for subsequent signal processing. Low noise down converter can reduce noise interference and improve signal quality and sensitivity.

[0110] 14-Short message communication: responsible for the communication of short messages.

[0111] 1-15 Satellite modem: responsible for modulating and demodulating satellite signals to achieve communication with the satellite network. The performance of the satellite modem directly affects the connection quality and data transmission speed between the device and the satellite network.

[0112] 1-16 Wireless router: Provides wireless network connection function and is equipped with a WiFi amplifier, allowing users to connect to devices and access the Internet via WiFi. The performance of the wireless router directly affects the coverage and connection speed of the wireless network.

[0113] 1-17 SIM / UIM module: can hold 2G / 3G / 4G / 5G cards, used to identify users and access mobile communication networks. The SIM / UIM module can store user identity information and network parameters to ensure that the device can correctly access the mobile communication network.

[0114] 1-18 Automatic satellite search (antenna pointing device): It can automatically adjust the direction of the antenna to accurately point to the satellite. The automatic satellite search device can improve the connection speed and stability between the device and the satellite network and reduce the workload of manual adjustment.

[0115] 1-19 Shell (rear). Together with the shell (front), it protects the internal components and also provides a complete appearance and mechanical structure for the device. The shell (rear) can also be provided with interfaces and heat dissipation holes to facilitate the connection and heat dissipation of the device.

[0116] 1-20 Servo motor drive device: Provides power for the automatic satellite search device to achieve precise adjustment of the antenna. The performance of the servo motor drive device directly affects the accuracy and speed of the automatic satellite search device.

[0117] 1-21 control chip:

[0118] 1) Network Adaptation

[0119] The control chip can monitor the signal strength, quality and availability of different networks in real time. When the terminal is connected to multiple networks (such as Maritime Satellite, VAST, Virtual Private Network, Starlink, GW Constellation, G60 Constellation, Hong Kong Space Starlink, and 2G / 3G / 4G / 5G), the control chip can automatically select the best network for connection and data transmission according to the preset strategy and current network conditions. For example, if the 5G signal is strong and stable in a certain area, the control chip will give priority to the 5G network; if the 5G signal is weak and the satellite signal is good, it will switch to the satellite network. This ensures that the terminal always maintains a good network connection and improves the efficiency and stability of data transmission.

[0120] 2) Automatic star search calculation

[0121] In satellite communication mode, the control chip is responsible for automatic satellite search calculations. It receives feedback from antenna pointing devices (such as automatic satellite search devices and servo motor drive devices), combines satellite position information and current environmental parameters, and accurately calculates the azimuth and elevation angles that the antenna needs to adjust. The control chip continuously performs real-time calculations and adjustments to ensure that the antenna always accurately points to the target satellite to obtain the best satellite signal reception effect. Even if the terminal moves or is subject to external interference, the control chip can quickly recalculate and adjust the antenna position to ensure the continuity and stability of satellite communications.

[0122] 3) Data security management

[0123] In a multi-network convergence environment, security issues are particularly important. The control chip can be responsible for the security management of the terminal, including encrypting and decrypting data, authenticating user identities, and preventing network attacks. For the transmission of sensitive data, the control chip can use advanced encryption algorithms to ensure data security. At the same time, it can authenticate the user devices connected to the terminal to prevent unauthorized devices from accessing the network. In addition, the control chip can also monitor network traffic to promptly detect and respond to potential network attacks.

[0124] 4) Intelligent traffic management

[0125] The control chip can perform intelligent traffic management according to different application requirements and network conditions. For example, for applications with high real-time requirements (such as video calls), the control chip can prioritize network bandwidth to ensure a smooth communication experience. For some non-real-time applications (such as downloading files), they can be transmitted when the network is idle to avoid affecting the performance of other important applications. The control chip can also reasonably allocate data traffic and reduce communication costs based on the cost and performance characteristics of different networks.

[0126] 5) Other functions

[0127] In addition, the control chip can also comprehensively manage and coordinate the entire multi-network convergence terminal. It can monitor the working status of each module, such as the antenna system, RF module, signal processing module, WiFi module, etc., and diagnose and handle failures or abnormal situations in a timely manner. At the same time, the control chip can also customize and expand the functions of the terminal according to user needs and system configuration, thereby improving the flexibility and adaptability of the terminal.

[0128] Array antennas such as Figure 8 .

[0129] An array antenna is an antenna system composed of multiple antenna units arranged in a specific pattern. It mainly consists of 64The antenna consists of an array unit antenna, 16 RF micro-modules, 15 power dividers and a driving amplifier. Its working principle is as follows: First, after the excitation signal is input, it is amplified by the driving amplifier to increase the power level of the signal. Then, the amplified signal is divided by 15 power dividers with equal amplitude and phase, and the signal is evenly distributed to the 16-channel RF micro-module. In the RF micro-module, each signal is amplitude-phase controlled respectively. By accurately adjusting the amplitude and phase, the antenna radiation direction, gain, beam width and other characteristics can be controlled. Then, the amplitude-phase controlled signal is power-amplified in the RF micro-module to further enhance the signal strength. Finally, the processed signal is radiated by 64 array unit antennas. The radiation fields of these antenna units are superimposed on each other in space. According to the superposition principle of electromagnetic waves, by reasonably adjusting the amplitude and phase of the excitation signal of each antenna unit, the total radiation field can be enhanced in a specific direction and suppressed in other directions, thereby realizing functions such as directional radiation and beam scanning.

[0130] The following is an application scenario to illustrate the application process of the above drone. Fig. 9 Indicates.

[0131] The specific process includes:

[0132] 1. Equipment startup and preparation

[0133] The drone equipment starts up under the command of the control center and performs system self-check and initialization, including checking the working status of each component, such as the antenna system, RF module, signal processing module, WiFi module, control chip, etc.

[0134] The multi-network fusion control chip starts to automatically detect the available network signals around it, such as maritime satellite, VAST, virtual private network, Starlink, GW constellation, G60 constellation, Hong Kong Space Starlink and 2G / 3G / 4G / 5G and other network resources.

[0135] 2. Fly to the site of network outage

[0136] After receiving the location information of the network disconnection site, the drone flies to the target location according to the preset route. During the flight, it continuously monitors the network signal and its own equipment status to ensure flight safety and network connection stability.

[0137] Using technologies such as GPS and inertial navigation systems, the location of the network outage can be accurately located, and the flight attitude and altitude can be adjusted to better provide network coverage.

[0138] 3. Establish network connection and broadcast

[0139] After arriving at the site of the network outage, the drone uses multi-network fusion technology to select the best network connection method and establish a stable communication link. For example, if the satellite signal is good, the satellite network is given priority; if there is an available mobile network base station signal on the ground, it can also be used at the same time.

[0140] Turn on the WiFi module, set a specific network name (SSID) and password, and broadcast it to the surrounding area. The WiFi-connected devices carried by staff or passengers can search for this network signal.

[0141] If there is a problem with the above network connection, you can use short messages for communication. That is, configure FB through LaunchPad to edit, send and receive text messages.

[0142] 4. User device connection and Internet access

[0143] After the staff or passengers search for the WiFi signal provided by the drone on their own devices, they enter the password to connect.

[0144] Once the connection is successful, the user device can access the Internet through the drone's multi-network convergence network. The control chip will reasonably allocate network bandwidth according to the number of user devices and network requirements to ensure that each user can get a relatively stable Internet experience.

[0145] 5. Data transmission and interaction

[0146] Users can use the connected network to perform various data transmission operations, such as sending emails, browsing the web, using instant messaging tools, etc.

[0147] For some specific work scenarios, such as emergency rescue sites, staff can upload on-site photos, videos and data through the Internet and interact with the command center in real time to better coordinate rescue work.

[0148] 6. Equipment monitoring and maintenance

[0149] In the process of providing network services to user devices, the drone's control chip will continuously monitor the network connection status, device operation, power consumption, etc. If the network signal is unstable or the device fails, timely measures will be taken to adjust or repair it.

[0150] At the same time, the control center can also remotely monitor the status of the drone and send instructions to make adjustments as needed, such as adjusting the flight altitude, position, or changing the network connection method.

[0151] 7. Mission completion and return

[0152] When the network at the site of the outage returns to normal or the mission is completed, the drone receives instructions from the control center and prepares to return.

[0153] During the return flight, the WiFi module is turned off and the connection with the user's device is disconnected. At the same time, the network signal is continuously monitored so that the mission can be performed again when necessary.

[0154] After flying back to the base, equipment inspection, maintenance and charging will be carried out to prepare for the next mission.

[0155] In the several embodiments provided by the present invention, it should be understood that the disclosed method can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the above units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0156] The above-mentioned integrated unit implemented in the form of a software functional unit can be stored in a computer-readable storage medium. The above-mentioned software functional unit is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to perform some steps of the above-mentioned method of each embodiment of the present invention. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk, etc., which can store program codes.

[0157] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the principles shall be included in the scope of protection of the present invention.

Claims

1. A drone based on multi-network integration, characterized in that: At least: Host, multi-network fusion equipment, and multiple rotors; among them, The multi-network integration device is installed on one surface of the host; the multi-network integration device internally integrates communication devices of mobile communication mode and satellite communication mode; The plurality of rotors are respectively connected to the main engine; The host is integrated with a control chip for controlling the motors of the multiple rotors to achieve flight control of the drone, and is also used to control the mobile communication module and satellite communication module in the multi-network fusion device to achieve selection and management of communication modes under preset strategies.

2. The multi-network fusion-based drone according to claim 1, characterized in that: The multi-network integration device comprises a front shell and a rear shell, and a communication device arranged between the front shell and the rear shell; The communication device integrates a composite substrate, an array antenna, a heat sink, a power amplifier, a frequency converter, a short message communication module, a satellite modem, a wireless router and a SIM / UIM module; the above modules integrated in the communication device realize mobile communication or satellite communication under the control of the control chip.

3. The multi-network fusion-based drone according to claim 2, characterized in that: The preset strategy includes: network adaptive selection and automatic satellite search calculation; wherein, Network adaptive selection, for selecting one of the communication networks for communication according to the signal parameters of different communication networks in the area where the UAV is located; Automatic satellite search calculation is used to adjust the direction of the array antenna when the selected communication network belongs to the satellite communication mode, so as to realize the signal parameter requirements of the corresponding satellite communication mode.

4. The multi-network fusion-based UAV according to claim 3, characterized in that: The multi-network integration device is also integrated with an antenna pointing device; The antenna pointing device, under the control of the control chip, adjusts the angle of rotation of the multi-network integration device relative to the host.

5. The multi-network fusion-based drone according to claim 2, characterized in that: The array antenna comprises a driving amplifier, a power divider, a radio frequency micromodule and an array antenna unit connected in sequence; The driving amplifier is used to receive the initial excitation signal and amplify it; the power dividers are used to divide the amplified signal into equal amplitude and phase and distribute it to multiple RF micro modules; Each radio frequency micromodule is provided with the same number of array unit antennas.

6. The multi-network fusion-based UAV according to claim 2, characterized in that: The control chip is also used for data security management and communication traffic management.

7. The multi-network fusion-based UAV according to claim 1, characterized in that: The drone is also equipped with a support frame.

8. The multi-network fusion-based unmanned aerial vehicle according to claim 1, characterized in that: The drone also includes a control terminal and optoelectronic equipment.

9. The multi-network fusion-based UAV according to claim 8, characterized in that: The control terminal is equipped with an ADS-B device and a laser radar.

10. The multi-network fusion-based unmanned aerial vehicle according to claim 1, characterized in that: The optoelectronic device is used for image acquisition and target recognition.

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