Communication system for emergency rescue

Abstract

The emergency rescue communication system comprises an emergency rescue vehicle and an unmanned aerial vehicle, and the unmanned aerial vehicle is connected with the emergency rescue vehicle through a photoelectric composite cable; the unmanned aerial vehicle carries a public network antenna, a private network antenna and monitoring equipment; the emergency rescue vehicle comprises a vehicle control system, an unmanned aerial vehicle control system, a tower mast control system, a public network communication system, a transmission system, a transmission switching system and a base station switching system. The system has the advantages that the advantages of the mooring type unmanned aerial vehicle and the emergency rescue vehicle are combined, the power supply time of the mooring type unmanned aerial vehicle is greatly prolonged, the problem that a ground optical cable is prone to being affected by disasters and interrupted is effectively solved through real-time monitoring of the optical cable state, and the stability and health degree of a communication link are guaranteed. Meanwhile, a public network communication mode and a private network communication mode are provided, the communication coverage is effectively expanded, the efficiency and reliability of emergency communication are improved, and the efficient, stable and flexible emergency communication and rescue communication system is created.

Description

Technical Field

[0001] The present invention relates to the technical field of emergency rescue communication, and in particular to a communication system for emergency rescue. Background Art

[0002] In recent years, with the frequent occurrence of natural disasters such as floods and earthquakes caused by global climate change, emergency rescue work has faced unprecedented challenges. In order to quickly respond to and effectively command rescue operations, various emergency communication technologies have been widely used. Among them, tethered drones are widely used in emergency communication and rescue command due to their high flexibility and wide coverage. This type of drone is connected to optical cables and cables through multi-rotor aircraft, and can quickly establish a temporary communication network in a complex and changing environment, providing stable communication services for disaster areas.

[0003] At the same time, emergency rescue vehicles also play an important role in the field of public mobile emergency rescue. Emergency rescue vehicles can not only carry transmission systems such as optical cables, satellites, and microwaves to achieve the integration of multiple communication methods, but also be connected to the mains, have their own diesel generators, and be equipped with sufficient batteries to ensure long-term, uninterrupted communication capabilities. In addition, emergency rescue vehicles also have the characteristics of strong mobility and flexible deployment. They can quickly adjust their positions according to changes in the disaster situation and provide all-round communication support for the disaster area.

[0004] However, tethered drones and emergency rescue vehicles also have their own limitations in emergency communications. Although tethered drones are flexible and have a wide coverage area, their ground optical cables are easily interrupted by disasters, and the backup battery power supply time is limited, which limits their ability to communicate for a long time. Existing tethered drones can usually only rely on optical cables for data transmission and cannot carry satellite and microwave transmission equipment.

[0005] Although emergency rescue vehicles have diverse communication methods and can carry multiple transmission systems such as optical cables, satellites, and microwaves, and have a long power supply time, they mainly rely on public network equipment for communication, have a relatively small coverage area, and are limited by vehicle mobility and deployment flexibility. It is difficult to meet all complex and changeable emergency communication needs. At the same time, generally an operator has only one or two emergency rescue communication vehicles in each province, and they can only connect to their own users. Summary of the invention

[0006] The present invention aims to provide a communication system for emergency rescue, aiming to solve the problem that the emergency communication coverage is limited and cannot meet the diverse communication needs in emergency rescue.

[0007] To achieve the above object, the present invention adopts the following technical solutions: The communication system for emergency rescue of the present invention comprises an emergency rescue vehicle and an unmanned aerial vehicle. The unmanned aerial vehicle is connected to the emergency rescue vehicle through an optoelectronic composite cable; the unmanned aerial vehicle carries a public network antenna, a private network antenna and a monitoring device; the emergency rescue vehicle comprises a vehicle control system, an unmanned aerial vehicle control system, a tower mast control system, a public network communication system, a transmission system, a transmission switching system and a base station switching system.

[0008] Furthermore, the public network antenna supports 4G and 5G broadband omnidirectional antennas; the private network antenna uses an omnidirectional antenna to transmit data in a dedicated frequency band to ensure the privacy and security of communication; the monitoring equipment includes high-definition cameras and thermal imagers for on-site reconnaissance or disaster assessment.

[0009] Furthermore, the vehicle control system is responsible for status monitoring and operation of the emergency rescue vehicle; the drone control system is used to control the drone inside or outside the vehicle; the tower mast control system is used to raise and lower the tower mast inside or outside the vehicle to adjust the height and angle of the communication equipment; the public network communication system includes a public network base station, which supports data transmission of multiple public network frequency bands of multiple operators; the base station switching system is used to switch the public network mobile communication system from multi-mode operation to single-mode operation when power is insufficient; the transmission system includes optical cable, microwave, and satellite systems, which support the same frequency and different frequency public network and private network data of different operators to be divided into VLANs and transmitted through optical cable, microwave, satellite or relay; the transmission switching system is used to alarm and start the backup transmission path when the optical cable is interrupted to ensure communication continuity.

[0010] Furthermore, the emergency rescue vehicle also includes a private network communication system; the private network communication system includes a narrowband base station and a terminal for transmitting data in a dedicated frequency band to ensure the privacy and security of communication.

[0011] Furthermore, the public network communication system is equipped with core network equipment.

[0012] Furthermore, the UAV also has the ability to fly independently without the optoelectronic composite cable.

[0013] Furthermore, the emergency rescue vehicle supports power supply from AC power, batteries, and generators.

[0014] The advantage of the present invention is that it combines the advantages of a tethered UAV with those of an emergency rescue vehicle, and provides a real-time monitoring function for the status of ground optical cables. When an optical cable interruption is found, it can quickly switch to other communication methods such as satellites or microwaves, thereby greatly improving the power supply time of the tethered UAV, effectively overcoming the problem that ground optical cables are easily interrupted by disasters, and ensuring the stability and health of the communication link.

[0015] At the same time, the present invention also provides two communication modes, public network and private network, supports at least four operators to share the same public communication base station, effectively expands the communication coverage, improves the efficiency and reliability of emergency communication, and creates an efficient, stable and flexible emergency communication and rescue communication system, which provides a strong guarantee for responding to various complex and changeable emergency communication needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the communication system for emergency rescue of the present invention.

[0017] Figure 2 Schematic diagram of the UAV system of the present invention.

[0018] Figure 3 It is a schematic diagram of the emergency rescue vehicle system of the present invention. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] like Figure 1 As shown, the emergency rescue communication system of the present invention includes an emergency rescue vehicle and an unmanned aerial vehicle. The unmanned aerial vehicle is connected to the emergency rescue vehicle via an optoelectronic composite cable. Figure 2 As shown, the drone carries a public network antenna, a private network antenna and monitoring equipment; Figure 3 As shown, the emergency rescue vehicle includes a vehicle control system, a UAV control system, a tower mast control system, a public network communication system, a private network communication system, a transmission system, a transmission switching system, and a base station switching system.

[0021] Among them, the drone can be designed with multi-suspension wings and foldable, equipped with batteries as standard, and can be retracted into the emergency rescue vehicle at ordinary times, making it easy to carry and quickly deploy. The drone also has the ability to fly independently without the optical-electric composite cable, which increases the flexibility and application range of the system.

[0022] The public network antenna carried by the drone supports 4G and 5G broadband omnidirectional antennas, which can ensure wide and stable signal coverage. The private network antenna can be selected as needed, and generally uses an omnidirectional antenna to transmit data in a dedicated frequency band to ensure the privacy and security of communication. The monitoring equipment includes high-definition cameras and thermal imagers for on-site reconnaissance or disaster assessment.

[0023] The vehicle control system of the emergency rescue vehicle is responsible for the status monitoring and operation of the emergency rescue vehicle.

[0024] The UAV control system is used to control the UAV inside or outside the vehicle, control the take-off, flight and recovery of the UAV, and improve the flexibility and response speed of the system.

[0025] The tower mast control system is used to raise and lower the tower mast inside or outside the vehicle, which is convenient for adjusting the height and angle of the communication equipment. The public network communication system includes a public network base station, equipped with core network equipment, and supports data transmission in multiple public network frequency bands. In principle, the public network base station supports more than four operators to share the same frequency band, which improves the utilization rate of communication resources. The private network communication system includes narrowband base stations and terminals, which are used to transmit data in dedicated frequency bands to ensure the privacy and security of communications.

[0026] The base station switching system is used to switch the public network mobile communication system from multi-mode operation to single-mode operation when power is insufficient. The emergency rescue vehicle supports power supply from AC power, battery, and generator. By monitoring the operation of external AC power, fuel engine, and generator, when the external AC power is interrupted or the fuel is insufficient, the power shortage signal is sent to the base station switching system. The base station switching system switches the public network mobile communication system from 4G / 5G multi-mode operation to single-mode operation to reduce energy consumption and extend the overall working time of the system.

[0027] The transmission system includes optical cables, microwaves, satellite systems and corresponding transmission equipment. The microwave and satellite equipment are located on the top of the emergency rescue vehicle when working. The transmission equipment supports the public network and private network data of different operators to be divided into VLANs and then transmitted through optical cables, microwaves, satellites or relays, realizing the diversification and reliability of the communication network. The transmission switching system monitors the status of the optical cable through the heartbeat line. Once the optical cable is found to be broken, an alarm is immediately triggered and the satellite or microwave system is started as a backup transmission path to ensure communication continuity.

[0028] The working process of the communication system for emergency rescue described in the present invention is as follows: During the startup phase, after the emergency rescue vehicle arrives at the scene, it starts the vehicle, automatically unfolds the optoelectronic composite cable, prepares to take off the drone, and raises the tower mast. According to the on-site situation, the drone takes off to a predetermined height under the command of the drone control system, and establishes a communication link with the emergency rescue vehicle through the public network antenna and the private network antenna. The public network communication system and the private network communication system are started, and the corresponding communication frequency band and transmission mode are selected according to the needs. The transmission system intelligently selects optical cable, microwave or satellite as the data transmission path according to the current network environment. And continuously monitors the status of the communication link, and immediately starts the backup plan once an abnormality is detected. The base station switching system monitors the power supply status and adjusts the working mode in time to extend the system operation time. Through the on-site data obtained by the drone, the emergency rescue team can also quickly formulate a rescue plan and implement rescue operations while maintaining real-time communication with the command center.

Claims

1. A communication system for emergency rescue, comprising an emergency rescue vehicle and an unmanned aerial vehicle, characterized in that: The UAV is connected to the emergency rescue vehicle through an optoelectronic composite cable; the UAV carries a public network antenna, a private network antenna and monitoring equipment; the emergency rescue vehicle includes a vehicle control system, a UAV control system, a tower mast control system, a public network communication system, a transmission system, a transmission switching system, and a base station switching system.

2. The emergency rescue communication system according to claim 1, characterized in that: The public network antenna supports 4G and 5G broadband omnidirectional antennas; the private network antenna uses an omnidirectional antenna to transmit data in a dedicated frequency band to ensure the privacy and security of communications; the monitoring equipment includes high-definition cameras and thermal imagers for on-site reconnaissance or disaster assessment.

3. The communication system for emergency rescue according to claim 1, characterized in that: The vehicle control system is responsible for the status monitoring and operation of the emergency rescue vehicle; the drone control system is used to control the drone inside or outside the vehicle; the tower mast control system is used to raise and lower the tower mast inside or outside the vehicle and adjust the height and angle of the communication equipment; the public network communication system includes a public network base station, which supports data transmission of multiple public network frequency bands of multiple operators; the base station switching system is used to switch the public network mobile communication system from multi-mode operation to single-mode operation when the power is insufficient; The transmission system includes optical cable, microwave, and satellite systems, and supports the same frequency and different frequency public network and private network data of different operators to be divided into VLANs and then transmitted through optical cable, microwave, satellite or relay; the transmission switching system is used to alarm and start the backup transmission path when the optical cable is disconnected to ensure communication continuity.

4. The communication system for emergency rescue according to claim 1, characterized in that: The emergency rescue vehicle also includes a private network communication system; the private network communication system includes a narrowband base station and a terminal, which is used to transmit data in a dedicated frequency band to ensure the privacy and security of communication.

5. The emergency rescue communication system according to claim 1, characterized in that: The public network communication system is equipped with core network equipment.

6. The communication system for emergency rescue according to claim 1, characterized in that: The UAV also has the ability to fly independently without the optoelectronic composite cable.

7. The communication system for emergency rescue according to claim 1, characterized in that: The emergency rescue vehicle supports power supply from mains electricity, batteries, and generators.

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