CN115499460A - Converged communication system based on emergency command center - Google Patents
Converged communication system based on emergency command center Download PDFInfo
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Abstract
The invention discloses a converged communication system based on an emergency command center, which comprises: the system comprises a multimode convergence acquisition terminal, a heterogeneous network convergence gateway and a convergence commanding and scheduling platform; the multi-mode fusion acquisition terminal is used for acquiring and temporarily storing video and audio and other perception data of an emergency disposal site and uploading the video and audio and other perception data to a command center in real time; the heterogeneous network convergence gateway is used for realizing communication protocol conversion and media format conversion between the multimode convergence acquisition terminal and a private network of the emergency command center; the fusion command scheduling platform comprises: the system comprises a data layer, a data service bus and a business application layer; the functions realized by the fusion command scheduling platform comprise: data processing, management and business applications.
Description
Technical Field
The invention relates to a converged communication system, in particular to a converged communication system based on an emergency command center.
Background
1. Description of the Prior Art
The converged communication system is technically mainly referred to as convergence of a communication technology and an information technology. With the development of the technology, advanced technologies such as big data technology and AI intelligence are also merged, so that a multi-system and multi-technology merged link is formed. Based on the integrated service characteristics of the converged communication system, the method is very suitable for the emergency command and resource scheduling services with rapid response, can be widely applied to various complex scenes such as government emergency command, emergency disposal and the like, and provides support for the cross-region, cross-department and cross-level full-service converged communication of each level of command departments.
At present, the development of a convergence communication system based on a command center in China is still in a starting stage, from the acquisition of audio and video and various sensing data in an emergency disposal site to the commanding and dispatching service application of the command center, the convergence level of the system is low, a sensing acquisition terminal in a single mode is adopted in the emergency disposal site to acquire field data information, and the field information is transmitted to the command center through a single network. In order to prevent the interruption of service caused by the damage of a network used by the acquisition terminal, the acquisition terminal equipment with various network systems is required to go to an emergency disposal site, which is very inconvenient, increases the burden of rescue workers and brings great trouble to the intelligent command and scheduling work of emergency rescue.
2. Disadvantages of the prior art and technical problems to be solved by the present application
In the prior art, acquisition terminal devices of various network systems are used independently, for example, a sensing acquisition terminal can only transmit acquired data information to a command center by using a 4G/5G wireless network, or can only transmit acquired data information to the command center by using an LTE broadband trunking network. The modes of independent use of various terminals and independent use of networks lead to poor network adaptability of the acquisition terminal to an emergency disposal site, are inconvenient to use, are not favorable for fusion of backend data and business application, and are not favorable for further development of informatization of a communication system based on an emergency command center.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a converged communication system based on an emergency command center aiming at the defects of the prior art.
In order to solve the technical problem, the invention discloses a converged communication system based on an emergency command center, which comprises: the system comprises a multimode convergence acquisition terminal, a heterogeneous network convergence gateway and a convergence commanding and scheduling platform;
the multi-mode fusion acquisition terminal is used for acquiring and temporarily storing video and audio and other perception data of an emergency disposal site, and uploading the video and audio and other perception data to a command center in real time;
the heterogeneous network convergence gateway is used for realizing communication protocol conversion and media format conversion between the multimode convergence acquisition terminal and a private network of the emergency command center;
the fusion command scheduling platform comprises: the system comprises a data layer, a data service bus and a business application layer; the functions realized by the fusion command scheduling platform comprise: data processing, management and business applications.
Wherein, the multimode fusion acquisition terminal comprises: the system comprises a multi-type perception information acquisition module, an audio and video and data storage, forwarding and management scheduling module, a unified network scheduling module, a multi-system network module, a storage module, a display module, an interface module and a power supply module.
The multi-type perception information acquisition module in the multi-mode fusion acquisition terminal comprises: the device comprises a video picture acquisition module, an audio acquisition module, a perception data acquisition module and a Beidou and GPS positioning module;
the multi-type perception information acquisition module is used for acquiring videos, pictures and audios of an emergency disposal site and perception data including temperature, humidity and electromagnetic environment information of the emergency disposal site;
the Beidou and GPS positioning module is used for Beidou positioning and GPS positioning, and is used for regularly acquiring real-time positioning information of an emergency disposal site.
And the audio/video and data storage, forwarding and management scheduling module in the multimode fusion acquisition terminal is matched with a scheduling system of the emergency command center to finish the tasks of forwarding, managing and scheduling the acquired real-time or stored video stream, picture stream, audio stream and data stream.
The unified network scheduling module in the multimode convergence acquisition terminal comprises the following modules:
firstly, according to the result of network measurement, calculating maximum carrier-to-interference ratio (MaxC/I), according to network quality comprehensive evaluation and comparison selection, finally selecting the network with the best indexes to transmit video stream, picture stream and data stream through the corresponding network module configured by the terminal;
setting priority by referring to the maximum carrier-to-interference ratio result and combining the use cost and the expense, and automatically selecting other network modules except the satellite communication network module; for example, because the satellite communication network is relatively high in use price, other networks are preferably selected under the condition that the quality of the other networks meets the video, picture, audio and data transmission requirements of an emergency disposal site, and then a satellite communication network module is considered to be selected;
and thirdly, manually selecting a network module to use, and manually judging and manually selecting a service network module according to the actual scene condition on the emergency disposal site.
The multi-mode network module in the multi-mode fusion acquisition terminal comprises: the network searching and identifying engine module and the network module;
wherein the network search and recognition engine module comprises: network searching, network identification and network detection; the network search is divided into three search modes of starting-up full-frequency-band search, periodic newly-added network discovery search and forced network search; network identification means identifying network frequency bands, identifiers and licenses of the searched and found networks; the network detection is to detect the network quality and the network signal strength; for the searched network, if the network detection quality and the signal meet the set threshold value and the network identification result is available, entering a candidate network list, and performing unified selection, scheduling and management by a unified network scheduling module;
the network module comprises: the system comprises a satellite communication network module, a 4G/5G mobile communication network module, an LTE broadband cluster private network module, a 2.4G/5.8G ad hoc network module and an Internet of things network module; the network access service of multiple systems of terminal equipment is provided, configuration and combination are carried out according to the requirements of different scenes of an emergency disposal site, and several network systems of a 4G/5G mobile communication network, a 1.4GLTE broadband cluster private network, a satellite communication network, a 2.4G/5.8G ad hoc network module, an internet of things and the like can be selected for carrying out.
The storage module in the multimode convergence acquisition terminal is an edge data backup scheme adopted in an emergency site in order to prevent the phenomenon that acquired sensing data is lost due to the fact that all configured network modules of the acquisition terminal lose network connection in the emergency disposal site; the storage module configured by the multimode fusion acquisition terminal is configured according to the actual emergency disposal requirement, the type of acquired information, the sizes of acquired video streams and pictures and the compression mode, and can be customized when in special needs, and the storage module is generally configured according to the storage duration of not less than 48 hours according to the actual use experience, and the video stream compression supports the video compression standard H.265/H.264/MJPEG. And after the multimode convergence acquisition terminal network is recovered, the temporarily stored perception information is automatically retransmitted to the command center.
The power module in the multimode fusion acquisition terminal comprises a 220V alternating current access, a 24V direct current access and a lithium battery, and the lithium battery can meet the requirement that the terminal equipment continuously works for no less than 24 hours under full load; and a standby battery is also provided for supplying power to the multimode fusion acquisition terminal in a special emergency treatment site scene.
The display module in the multimode fusion acquisition terminal comprises 1 block of 14-inch touch display screen, and is used for displaying the information of videos and pictures acquired on site and the information sent by a command center and displaying an operation and management menu;
and the interface module in the multimode fusion acquisition terminal is used for an external equipment interface.
In the fusion command scheduling platform, the data layer is used for processing, storing, calculating and analyzing video streams, audio data, messages and perception data which are acquired by a multi-mode fusion acquisition terminal and accessed by the heterogeneous network fusion gateway through network transmission;
the data service bus is responsible for scheduling and forwarding services of data and provides data support and interface services for the service application layer according to service application requirements;
the business application layer realizes support services such as video, picture, audio and perception data required by business application and calculation analysis result data thereof; the service application comprises: the system comprises an emergency command multimedia conference, emergency command scheduling visualization, IP telephone, cluster intercommunication and an accurate command decision system.
The fusion system based on the emergency command center comprises the following specific use steps:
and 5, the service application layer calls data through the data service bus to complete the service application function. The multimedia conference needs to call real-time video and audio of an emergency disposal site for video-audio interactive application; the situation analysis and analysis application of the emergency disposal site needs to analyze and display the overall situation of the emergency disposal site by means of data calculation, analysis and processing functions of a data layer, and support a command center to lead decision deployment; the emergency command scheduling visualization refers to the visualization display of emergency disposal site situations and emergency command scheduling through a large-screen system, and the emergency command auxiliary decision refers to the command scheduling decision through auxiliary leaders such as site conditions, human resources, material resource preparation, situation development analysis and the like.
Has the beneficial effects that:
(1) The multi-mode fusion acquisition terminal adopts an integrated design and a portable and vehicle-mounted design, and is more suitable for emergency command and dispatching work under severe environmental conditions such as network disconnection and power failure in emergency disposal sites. The transceiver of the terminal adopts a modular design, and transceiver modules of different systems can be selected to be freely combined according to the actual scene requirements of an emergency disposal site, so that the emergency disposal scene of the equipment has stronger adaptability, better economy, more flexible and convenient deployment and better use effect.
(2) The multimode fusion acquisition terminal adopts a mode of combining network modules of different systems, and has three working modes through unified scheduling and management module management: firstly, according to the result of network measurement, calculating maximum carrier-to-interference ratio (MaxC/I), according to network quality comprehensive evaluation and comparison selection, finally selecting the network with the best indexes to transmit video stream, picture stream and data stream through the corresponding network module configured by the terminal; and secondly, setting priority by referring to the result of the maximum carrier-to-interference ratio (MaxC/I) and combining comprehensive consideration of use cost and expense, and automatically selecting other network modules except the satellite communication network module first. For example, because the satellite communication network is relatively high in use price, other networks are preferably selected under the condition that the quality of other networks can meet the video, picture, audio and data transmission requirements of an emergency disposal site, and then a satellite communication network module is considered to be selected; and thirdly, manually selecting a network module to use, and manually judging and manually selecting a service network module according to the actual scene condition on the emergency disposal site.
(3) The invention realizes the fusion of various systems of networks by adopting a mode of combining the multimode fusion acquisition terminal and the heterogeneous gateway, and meets the requirement that the video, picture, audio and perception data acquired by the multimode fusion acquisition terminal in an emergency disposal site are transmitted to an emergency command center platform.
(4) The invention realizes the fusion on the system architecture, combines multi-system transceivers from a terminal layer, realizes the fusion of a network layer to heterogeneous gateway equipment, realizes the fusion of sensing data from a data layer, and supports the fusion of a system service application layer through a data service bus, thereby realizing a systematic network fusion solution.
(5) The emergency management system better adapts to severe communication and power conditions of an emergency disposal site under an emergency condition, meets the actual application requirements of an emergency command center for timely mastering the real-time condition and real-time situation of the emergency disposal site, and has good popularization value.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic diagram of a multimode fusion acquisition terminal.
Fig. 3 is a schematic diagram of a heterogeneous network convergence gateway.
Fig. 4 is a schematic diagram of a converged orchestration platform.
Fig. 5 is a schematic diagram of a multi-class perceptual information acquisition module.
Fig. 6 is a schematic diagram of a multi-mode network module.
Detailed Description
As shown in fig. 1, the present invention provides the following embodiments: a convergence communication system based on an emergency command center comprises a multi-type perception information acquisition module 1 of a multi-mode convergence acquisition terminal; a unified network scheduling module 2 of the multimode convergence acquisition terminal; various systems of network modules 3 of the multimode convergence acquisition terminal; a storage module 4; the audio and video and data storage, forwarding and management scheduling module 5; a display module 6; an interface module 7; a power supply module 8; a heterogeneous network convergence gateway 9; fusing a data layer 10 of a command scheduling platform; a data service bus 11 of the fusion commanding and dispatching platform; and a service application layer 12 of the convergence command scheduling platform.
As shown in fig. 5, the multi-class perception information acquisition module 1 includes a video stream acquisition lens, a sensor element, a GPU edge operation unit, video stream intelligent detection analysis and matting, video stream temporary storage, multi-stream transmission management, and PTZ control; audio and video synchronization and storage of the audio acquisition unit; a Beidou and GPS positioning module; other perception information (including temperature, humidity, electromagnetism and other information) acquisition sensors and control, storage and processing units thereof. The video acquisition unit is divided into a front camera and a rear camera and is provided with an external camera interface.
The unified network scheduling module 2 of the multimode convergence acquisition terminal comprises a unified scheduling and management module and has three scheduling and management modes: firstly, according to the result of network measurement, calculating the maximum carrier-to-interference ratio (MaxC/I), according to the comprehensive evaluation and comparison and selection of network quality, finally selecting the network with the best indexes to transmit video stream, picture stream and data stream through the corresponding network module configured by the terminal; and secondly, setting priority by referring to the result of the maximum carrier-to-interference ratio (MaxC/I) and combining comprehensive consideration of use cost and expense, and automatically selecting other network modules except the satellite communication network module first. For example, because the satellite communication network is relatively high in use price, other networks are preferably selected under the condition that the quality of other networks can meet the video, picture, audio and data transmission requirements of an emergency disposal site, and then a satellite communication network module is considered to be selected; and thirdly, manually selecting a network module to use, and manually judging and manually selecting a service network module according to the actual scene condition on the emergency disposal site.
As shown in fig. 6, the multi-mode network module 3 of the multi-mode convergence acquisition terminal includes a satellite communication network module, a 4G/5G mobile communication network module, an LTE broadband cluster private network module, a 4G/5.8G ad hoc network module, and an internet of things module.
The storage module 4 comprises a SATA interface storage hard disk.
The audio and video data storing, forwarding and managing scheduling module 5 comprises storing, forwarding and managing scheduling of video streams, picture streams, audio data, positioning data and other perception data.
The display module 6 includes a 14 inch LED display screen, a keyboard, a microphone, and a speaker. The display of the information such as videos and pictures acquired on site and the information sent by the command center and the display of menus such as related operation and management can be carried out.
The interface module 7 comprises external interfaces such as USB2.0, RJ45 and 485 interfaces and control.
The power module 8 comprises an alternating current power interface and a lithium battery;
as shown in fig. 3, the heterogeneous network convergence gateway 9 includes a heterogeneous network convergence gateway including a satellite communication network interface, a 4G/5G wireless interface, an LTE broadband trunking private network interface, a 2.4G/5.8G ad hoc network interface, an internet of things interface, a heterogeneous network protocol conversion, a processor, a data format conversion, an ethernet interface, and a debugging interface. The system is used for realizing communication protocol conversion and media format conversion between the multimode fusion acquisition terminal and the private network of the emergency command center.
As shown in fig. 4, the data layer 10 of the fusion command and dispatch platform includes video stream, picture stream, audio data, message, and perception data. Scheduling, forwarding, storing, processing, computing, and analyzing of data.
The data service bus 11 of the convergence command and dispatch platform comprises a data service bus.
The service application layer 12 of the fusion commanding and dispatching platform comprises emergency disposal site situation analysis, multimedia conference, emergency commanding and dispatching visualization and emergency commanding aid decision.
Furthermore, the acquisition module of the multimode fusion acquisition terminal acquires emergency disposal site video, pictures, audio, beidou positioning data, GPS positioning data, site other perception data such as environmental parameter data, thermal sensation, smoke sensation, electromagnetism and the like, and operation parameter data files of various devices.
Furthermore, the sensors in the acquisition module of the multimode fusion acquisition terminal comprise a video camera lens, a CCD sensor, a sound pickup or a microphone, beidou satellite positioning information, GPS satellite positioning information, a thermal sensor, a smoke sensor, an environment monitoring sensor, an electromagnetic sensor and an equipment monitoring sensor. A video camera lens and a CCD sensor collect video image information of an emergency disposal site; a sound pickup or a microphone collects sound information of an emergency treatment site; the thermal sensor senses flame information of a site through infrared rays in an emergency mode; the smoke sensor measures the smoke information of the environment of the emergency disposal site, and provides prejudgment support for fire development; an environment monitoring sensor measures the temperature, humidity and air quality parameters of the environment; the equipment monitoring sensor measures physical signals of voltage, current, pressure and the like of the equipment.
Furthermore, various standard network modules of the multimode convergence acquisition terminal comprise a satellite communication network module, a 4G/5G mobile communication network module, an LTE broadband cluster private network module, a 4G/5.8G ad hoc network module and an Internet of things module. In actual use, a combination of several network modules can be selected according to actual use requirements so as to reduce investment of the terminal, but considering that the damage degree of an emergency disposal site is generally large, and the site or surrounding network environment is mostly poor, a satellite communication network module is generally a necessary option. The satellite communication network module is a terminal module of a connected satellite communication network and realizes the functions of measuring satellite signals, accessing the satellite communication network, sending data, transmitting and the like; the 4G/5G mobile communication network module can be a 4G/5G mobile communication network transceiving module of China Mobile, china telecom and China Unicom, and is required to support starting of automatic network scanning, automatic network registration, network access and connection and real-time receiving and sending of voice, short messages and data traffic; the LTE broadband cluster private network module is a 1.4GHz frequency band broadband cluster government affair private network transceiving module, and is required to support starting, automatic network scanning, automatic network registration, network access and connection and real-time receiving and sending of voice, short messages and data traffic; the 4G/5.8G ad hoc network module mainly refers to a network transmission module for receiving equipment such as a video camera and a sensor mounted by an unmanned aerial vehicle and acquiring video images, environment and electromagnetic perception data of an emergency treatment scene from a middle-low airspace; the internet of things module is an internet of things transceiver module which accords with internet of things protocols and transmits terminal acquisition information by means of the internet of things.
Further, the acquisition mode of the sensor in the perception data acquisition module is set as follows: the video acquisition of the emergency disposal site can continuously acquire the video stream of the emergency disposal site and transmit the video stream back to the command center in real time according to the command of the command center, and can also acquire the video stream of the emergency disposal site at intervals of a period of time and transmit the video stream back to the command center in real time; the acquisition of the pictures can be performed at certain time intervals according to the command of the command center, and the target object or the panoramic picture of the emergency treatment site is acquired in a targeted manner; audio information collection, which is generally carried out along with video collection and conference meeting and then returned; the positioning information is collected at certain time intervals, automatically collected and automatically returned; if the data collected at a certain time point is changed greatly compared with the data collected at a previous time point, if the data is greater than a set threshold value, the data scheduling and management module controls the collection period to be shortened to 1/3 of the original period, rapid and continuous measurement is carried out, the monitoring accuracy is ensured, and the original sampling period is recovered until the data is normal.
Further, the unified network scheduling module 2 of the multimode convergence acquisition terminal comprises three scheduling management modes: firstly, according to the result of network measurement, calculating maximum carrier-to-interference ratio (MaxC/I), according to network quality comprehensive evaluation and comparison selection, finally selecting the network with the best indexes to transmit video stream, picture stream and data stream through the corresponding network module configured by the terminal; and secondly, setting priority by referring to the result of the maximum carrier-to-interference ratio (MaxC/I) and combining comprehensive consideration of use cost and expense, and automatically selecting other network modules except the satellite communication network module first. For example, because the satellite communication network is relatively high in use price, other networks are preferably selected under the condition that the quality of other networks can meet the video, picture, audio and data transmission requirements of an emergency disposal site, and then a satellite communication network module is considered to be selected; and thirdly, manually selecting a network module for use, and manually judging and manually selecting a service network module according to the actual scene condition on the emergency disposal site.
Example 1
The application steps of applying the fusion communication system based on the emergency command center in the deep mountain emergency rescue and disaster relief scene are as follows:
description of emergency disposal scenarios: the emergency and disaster relief scene is villages in the depths of mountains, the only communication facilities are damaged due to continuous heavy rain for multiple days, and landslide occurs due to rain water immersion. According to the preliminary judgment, the local emergency management command center dispatches a rescue squad to carry the portable multimode fusion acquisition terminal and other related equipment to perform emergency mountain rescue support at night.
The system of the embodiment comprises the following components:
the configuration of the multimode fusion acquisition terminal equipment comprises the following steps: the system comprises a multi-type perception data acquisition module, a unified network scheduling module, a multi-system network module, an audio and video and data storage, forwarding and management scheduling module, a storage module, a display module, an interface module and a power supply module;
the multi-category perception data acquisition module comprises a video picture acquisition module, an audio acquisition module, a Beidou and GPS positioning module, a temperature acquisition module and a humidity acquisition module which are configured by the multi-category perception data acquisition module; the method comprises the following steps of acquiring video, pictures and audio of an emergency disposal site and sensing data including temperature, humidity, electromagnetic environment information and the like of the emergency disposal site;
the multi-standard network module is provided with a satellite communication network module and an LTE broadband group network module;
the heterogeneous network convergence gateway comprises a satellite communication network interface, a 4G/5G wireless interface, an LTE broadband trunking private network interface, a 2.4G/5.8G ad hoc network interface, an Internet of things interface, heterogeneous network protocol conversion, a processor, data format conversion, an Ethernet interface and a debugging interface. The system is used for realizing communication protocol conversion and media format conversion between the multimode fusion acquisition terminal and the private network of the emergency command center.
The fusion command scheduling platform comprises a data layer, a data service bus and an application layer.
The data layer of the fusion command scheduling platform comprises video streams, picture streams, audio data, messages and perception data. Scheduling, forwarding, storing, processing, computing, and analyzing of data.
The data service bus of the fusion command and dispatching platform comprises a data service bus.
The business application layer of the convergence commanding and dispatching platform comprises emergency disposal site situation analysis, a multimedia conference, emergency commanding and dispatching visualization and emergency commanding aid decision-making.
S1, according to the scene situation of the emergency disposal site of the rescue, the configuration of the multimode fusion acquisition terminal equipment carried by a rescue squad comprises the following steps: the system comprises a multi-type perception data acquisition module, a unified network scheduling module, a multi-system network module, an audio and video and data storage, forwarding and management scheduling module, a storage module, a display module, an interface module and a power supply module (as shown in figure 2).
S2: after the rescue squad arrives at the emergency disposal site, a wide and safe area is firstly found to build a rescue site command center. After the multimode fusion acquisition terminal equipment is powered on and started, the equipment automatically carries out network scanning, setting and identification, and the result shows that the LTE broadband cluster network signal level is-129.6 dB-101.3 dB, and the carrier-to-interference ratio is-5.3 dB-2.5 dB, which are all unstable. The satellite communication network signal is normal.
S3: the multimode convergence acquisition terminal equipment selects an LTE broadband cluster network module and a satellite communication network module as service network modules through a unified network scheduling module. The rescue squad manually selects a satellite communication network, reports emergency disposal site conditions by voice, and listens to a command center to lead new task arrangement.
S4: and the LTE broadband cluster network module is manually and forcibly switched by a rescue team. Starting a video picture acquisition module in the multi-type perception data acquisition module, carrying out video acquisition on the damage condition of an emergency disposal site by automatic focusing of a video camera, and carrying out close-up picture snapshot on a special target object intelligently identified by the camera or manually selected by an operator; the audio acquisition module is started in a mode of linkage with the video picture acquisition module, and environmental sounds of a site are synchronously recorded; starting a Beidou positioning information acquisition module in the multiple types of sensing data acquisition modules, scanning, tracking and capturing a satellite, and acquiring real-time positioning information; and opening an environment temperature and humidity acquisition module in the multi-category sensing data acquisition module, and acquiring on-site temperature and humidity sensing data.
S5, the audio and video and data storage, forwarding and management scheduling module performs storage scheduling and forwarding scheduling on the video information, the real-time positioning information and the environmental temperature and humidity information acquired by the multi-type sensing data acquisition module, so that the video information is displayed on a display screen of the multi-mode fusion acquisition terminal equipment; and finishing the storage, forwarding and scheduling tasks set by the acquired video, audio, picture and temperature and humidity data according to the audio and video and data storage, forwarding and management scheduling module, wherein the storage, forwarding and scheduling tasks are temporarily stored in the storage module configured in the terminal on the one hand, and the audio and video, picture and temperature and humidity data are forwarded to the command center according to the set scheduling tasks on the other hand.
S6: the unified network scheduling module selects the LTE broadband cluster network module to provide network service, is matched with the audio and video and data storage, forwarding and management scheduling module, and transmits the video information, the real-time positioning information and the environmental temperature and humidity information acquired by the multi-type perception data acquisition module to the command center. Due to weak signals of the field LTE broadband trunking network, the video transmission rate is low and is interrupted for many times. The voice conference effect quality is not very good.
S7: video information, real-time positioning information, environmental temperature and humidity information acquired by the multi-type perception data acquisition module are accessed through an LTE broadband cluster private network interface of the heterogeneous network convergence gateway, and a core processing device of the heterogeneous network convergence gateway completes protocol conversion and data format conversion between the LTE broadband cluster private network and the Ethernet and then enters the convergence commanding and dispatching platform through the Ethernet interface.
S8: and the data layer of the fusion commanding and dispatching platform finishes data collection, cleaning and other processing, and the data is uploaded to the large-screen display equipment of the emergency command center through the data service bus while being stored in a warehouse, so that the visual display of the video is realized. Meanwhile, situation data after calculation, analysis and statistics can be displayed visually on a large screen of the command center.
S9: and the leader of the command center carries out consultation according to situation analysis results of the emergency disposal site, videos, pictures and perception data statistics of the site, emergently formulates a further resource scheduling scheme of personnel, machines and tools, supplies and the like, and instructs related departments and personnel to carry out emergency rescue work in order.
S10: during the emergency rescue, the system automatically stores all collected video, picture, audio and perception data of the rescue work, and all data such as related data situation analysis, data calculation and analysis results, conference meeting records, plans for commanding and scheduling work, guidance files and the like.
Example 2
The application of the fusion communication system based on the emergency command center to the onsite evidence obtaining task of offshore crude oil leakage emergency disposal comprises the following specific application steps:
description of emergency disposal scenario: due to the failure of the vessel transporting the crude oil, the tanker leaks in the offshore area, and the leaking original floats to the coastal front line along with the sea waves, and the polluted area is about more than 70 kilometers. Due to the long polluted coastline, the coastline is very complicated, most of the coastlines are located in remote and waste areas, and the mobile communication network of the operator does not cover the areas. After the local emergency treatment receives the notice, the emergency organization emergency treatment team goes to the site for evidence obtaining treatment.
The system of the embodiment comprises the following components:
the configuration of the multimode fusion acquisition terminal equipment comprises the following steps: the system comprises a multi-type perception data acquisition module, a unified network scheduling module, a multi-system network module, an audio and video and data storage, forwarding and management scheduling module, a storage module, a display module, an interface module and a power supply module;
the multi-class perception data acquisition module comprises a video picture acquisition module, an audio acquisition module, a Beidou and GPS positioning module, a temperature acquisition module and a humidity acquisition module which are configured by the multi-class perception data acquisition module;
the multi-standard network module is provided with a satellite communication network module, an LTE broadband group network module and a 4G/5G mobile communication network module;
the heterogeneous network convergence gateway comprises a satellite communication network interface, a 4G/5G wireless interface, an LTE broadband trunking private network interface, a 2.4G/5.8G ad hoc network interface, an Internet of things interface, heterogeneous network protocol conversion, a processor, data format conversion, an Ethernet interface and a debugging interface.
The fusion command scheduling platform comprises a data layer, a data service bus and an application layer.
The data layer of the fusion command scheduling platform comprises video streams, picture streams, audio data, messages and perception data. Scheduling, forwarding, storing, processing, computing, and analyzing of data.
The data service bus of the fusion command and dispatch platform comprises a data service bus.
The business application layer of the fusion commanding and dispatching platform comprises emergency disposal site situation analysis, a multimedia conference, emergency commanding and dispatching visualization and emergency commanding aid decision.
S1, according to the situation of an emergency disposal site scene of the rescue, the configuration of multimode fusion acquisition terminal equipment carried by a rescue squad comprises the following steps: the system comprises a multi-type perception data acquisition module, a unified network scheduling module, a multi-system network module, an audio and video and data storage, forwarding and management scheduling module, a storage module, a display module, an interface module and a power supply module (as shown in figure 2).
S2: after the emergency disposal team reaches the designated emergency disposal site, the multimode convergence acquisition terminal equipment is powered on and started, the equipment is set to automatically perform network scanning, setting, identifying and searching, and the unified network scheduling module automatically selects the optimal network between the LTE broadband group network module and the 4G/5G mobile communication network module.
S2: the emergency disposal team carries the multimode fusion acquisition terminal, a video picture acquisition module in the multi-type perception data acquisition module is started, the emergency disposal team moves forwards along a polluted coastline, a video camera automatically focuses to acquire video of the damage condition of the emergency disposal site, and close-up picture capture is carried out on a special target object intelligently identified by the camera or manually selected by an operator; the audio acquisition module is started in a mode of linkage with the video picture acquisition module, and environmental sounds of a site are synchronously recorded; starting a Beidou positioning information acquisition module in the multi-type perception data acquisition modules, scanning and capturing satellites, and acquiring real-time positioning information; and opening an environment temperature and humidity acquisition module in the multi-class sensing data acquisition module, and acquiring on-site temperature and humidity sensing data. Continuously collecting the video and the perception information of the polluted coast, transmitting a fusion command dispatching platform of a command center in real time, and performing emergency disposal and evidence collection.
And S3, the unified network scheduling module of the multimode convergence acquisition terminal automatically and preferentially selects the LTE broadband cluster network module or the 4G/5G mobile communication network module with the best transmission quality, and when the LTE broadband cluster network module or the 4G/5G mobile communication network module cannot meet the video picture transmission requirement, the terminal equipment is automatically switched to the satellite communication network module to continue transmitting data.
S4: and the emergency disposal squad carries out emergency disposal evidence obtaining work according to the unified command and dispatch of the command center.
S5, the audio and video and data storage, forwarding and management scheduling module performs storage scheduling and forwarding scheduling on the video information, the real-time positioning information and the environmental temperature and humidity information acquired by the multi-type sensing data acquisition module, so that the video information is displayed on a display screen of the multi-mode fusion acquisition terminal equipment; and finishing the storage, forwarding and scheduling tasks set by the acquired video, audio, picture and temperature and humidity data according to the audio and video and data storage, forwarding and management scheduling module, wherein the storage, forwarding and scheduling tasks are temporarily stored in the storage module configured in the terminal on the one hand, and the audio and video, picture and temperature and humidity data are forwarded to the command center according to the set scheduling tasks on the other hand.
S6: the unified network scheduling module selects and provides network services, and is matched with the audio/video and data storage, forwarding and management scheduling module to transmit the video information, the real-time positioning information and the environmental temperature and humidity information acquired by the multiple types of sensing data acquisition modules to the command center.
S7: video information, real-time positioning information, environmental temperature and humidity information acquired by the multi-type perception data acquisition module are accessed through an LTE broadband cluster private network interface and a 4G/5G mobile communication network interface of the heterogeneous network convergence gateway, a core processing device of the heterogeneous network convergence gateway completes protocol conversion and data format conversion among the LTE broadband cluster private network, the 4G/5G mobile communication network and the Ethernet, and then the video information, the real-time positioning information, the environmental temperature and the humidity information enter the convergence commanding and dispatching platform through the Ethernet interface.
S8: and the data layer of the fusion commanding and dispatching platform finishes data collection, cleaning and other processing of videos, pictures and sensing data acquired in an emergency disposal site, and the videos are uploaded to an emergency commanding center large-screen display device through a data service bus while being stored in a warehouse, so that the video visual display is realized. Meanwhile, situation data after calculation, analysis and statistics can be displayed visually on a large screen of the command center.
S9: and the leader of the emergency command center makes a consultation according to the video, the picture and the perception data analysis result returned by the emergency disposal site, emergently formulates a next emergency disposal scheme and a resource scheduling scheme, and instructs related departments and personnel to carry out emergency disposal work in order.
S10: during the emergency disposal, the system automatically stores all video, picture, audio and perception data collected by the emergency disposal work, and all data such as related data situation analysis, data calculation and analysis results, meeting records, plans for commanding and scheduling work, guidance files and the like.
The working principle is as follows: the invention collects the emergency disposal field data through a video picture collection module, an audio collection module, a perception data collection module and a Beidou GPS positioning module, completes the storage, forwarding and scheduling of the collected data through an audio and video and data storage, forwarding and management scheduling module, automatically selects an optimal network transmission module through a unified network scheduling module, transmits the optimal network transmission module to a heterogeneous network fusion gateway to realize protocol conversion and format conversion of data such as video and pictures, and then accesses a fusion command scheduling platform, completes the scheduling, storage, forwarding, processing, calculation and analysis of the data on a data layer, transmits a service application layer through a data service bus, and provides data support for emergency command scheduling decisions.
In a specific implementation, the present application provides a computer storage medium and a corresponding data processing unit, where the computer storage medium is capable of storing a computer program, and the computer program, when executed by the data processing unit, may execute the inventive content of the emergency command center-based converged communication system and some or all of the steps in the embodiments provided in the present invention. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), a Random Access Memory (RAM), or the like.
It is obvious to those skilled in the art that the technical solutions in the embodiments of the present invention can be implemented by means of a computer program and its corresponding general-purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a computer program or a software product, where the computer program or the software product may be stored in a storage medium and include instructions for enabling a device (which may be a personal computer, a server, a single chip microcomputer, an MUU, or a network device) including a data processing unit to execute the method according to the embodiments or some parts of the embodiments of the present invention.
The invention provides a thought and a method of a converged communication system based on an emergency command center, and a plurality of methods and ways for implementing the technical scheme are provided, the above description is only a preferred embodiment of the invention, and it should be noted that, for a person of ordinary skill in the art, a plurality of improvements and embellishments can be made without departing from the principle of the invention, and the improvements and embellishments should also be regarded as the protection scope of the invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. A converged communication system based on an emergency command center is characterized by comprising: the system comprises a multi-mode fusion acquisition terminal, a heterogeneous network fusion gateway and a fusion command scheduling platform;
the multi-mode fusion acquisition terminal is used for acquiring and temporarily storing video and audio and other perception data of an emergency disposal site and uploading the video and audio and other perception data to a command center in real time;
the heterogeneous network convergence gateway is used for realizing communication protocol conversion and media format conversion between the multimode convergence acquisition terminal and a private network of the emergency command center;
the fusion command scheduling platform comprises: the system comprises a data layer, a data service bus and a business application layer; the functions realized by the fusion command scheduling platform comprise: data processing, management and business applications.
2. The system according to claim 1, wherein the multi-mode converged communication terminal comprises: the system comprises a multi-type perception information acquisition module, an audio and video and data storage, forwarding and management scheduling module, a unified network scheduling module, a multi-system network module, a storage module, a display module, an interface module and a power supply module.
3. The system according to claim 2, wherein the multi-type perception information collecting module in the multi-mode convergence collecting terminal comprises: the device comprises a video picture acquisition module, an audio acquisition module, a perception data acquisition module and a Beidou and GPS positioning module;
the multi-category perception information acquisition module is used for acquiring videos, pictures and audios of an emergency disposal site and perception data including temperature, humidity and electromagnetic environment information of the emergency disposal site;
the Beidou and GPS positioning module is used for Beidou positioning and GPS positioning, and regularly carries out real-time positioning information acquisition on an emergency disposal site.
4. The converged communication system based on the emergency command center according to claim 3, wherein the audio/video and data storage, forwarding and management scheduling module in the multimode converged acquisition terminal cooperates with the scheduling system of the emergency command center to complete the tasks of forwarding, managing and scheduling the acquired real-time or stored video stream, picture stream, audio stream and data stream.
5. The converged communication system based on the emergency command center of claim 4, wherein the unified network scheduling module in the multi-mode converged acquisition terminal:
firstly, calculating the maximum carrier-to-interference ratio according to the result of network measurement, and finally selecting the network with the best indexes to transmit video streams, picture streams and data streams through a corresponding network module configured by a terminal according to the comprehensive evaluation and comparison selection of the network quality;
setting priority by referring to the maximum carrier-to-interference ratio result and combining the use cost and the expense, and automatically selecting other network modules except the satellite communication network module; preferentially selecting other networks under the condition that the quality of other networks meets the video, picture, audio and data transmission requirements of an emergency disposal site, and then considering to select a satellite communication network module;
and thirdly, manually selecting a network module to use, and manually judging and manually selecting a service network module according to the actual scene condition on the emergency disposal site.
6. The converged communication system based on the emergency command center according to claim 5, wherein the multi-mode network module in the multi-mode converged acquisition terminal comprises: the network searching and identifying engine module and the network module;
wherein the network search and recognition engine module comprises: network searching, network identification and network detection; the network search is divided into three search modes of starting-up full-frequency-band search, periodic newly-added network discovery search and forced network search; network identification means identifying network frequency bands, identifiers and licenses of the searched and found networks; the network detection is to detect the network quality and the network signal strength; for the searched network, if the network detection quality and the signal meet the set threshold value and the network identification result is available, entering a candidate network list, and performing unified selection, scheduling and management by a unified network scheduling module;
the network module comprises: the system comprises a satellite communication network module, a 4G/5G mobile communication network module, an LTE broadband cluster private network module, a 2.4G/5.8G ad hoc network module and an Internet of things network module; the network access service of multiple systems of terminal equipment is provided, and configuration and combination are carried out according to the requirements of different scenes of an emergency disposal site.
7. The converged communication system based on the emergency command center according to claim 6, wherein the storage module in the multimode converged acquisition terminal is an edge data backup scheme adopted in the emergency field; and the storage module configured by the multimode convergence acquisition terminal is configured according to the storage time length of not less than 48 hours, and after the multimode convergence acquisition terminal network is recovered, the temporarily stored perception information is automatically retransmitted to the command center.
8. The emergency command center-based converged communication system according to claim 7, wherein a power module in the multimode converged acquisition terminal comprises 220V AC access, 24V DC access and a lithium battery, and the lithium battery can meet the requirement that the terminal equipment can continuously work for no less than 24 hours under full load; the multimode fusion acquisition terminal is also provided with a standby battery for supplying power to a special emergency disposal scene;
the display module in the multimode fusion acquisition terminal comprises a touch display screen, a display module and a display module, wherein the touch display screen is used for displaying the video and picture information acquired on site and the information sent by the command center and displaying the operation and management menu;
and the interface module in the multimode fusion acquisition terminal is used for an external equipment interface.
9. The system according to claim 8, wherein in the converged communication command scheduling platform, the data layer is used for processing, storing, calculating and analyzing the video stream, the audio data, the message and the perception data which are collected by the multimode converged collection terminal and are transmitted through the network and accessed by the heterogeneous network converged gateway;
the data service bus is responsible for scheduling and forwarding services of data and provides data support and interface services for the service application layer according to service application requirements;
the business application layer realizes the support service of video, picture, audio and perception data and the calculation analysis result data required by the business application; the service application comprises: the system comprises an emergency command multimedia conference, emergency command scheduling visualization, IP telephone, cluster intercommunication and an accurate command decision system.
10. The converged communication system based on emergency command centers, according to claim 9, is characterized in that the specific use steps of the system are as follows:
step 1, scanning and identifying a network: the network searching and identifying engine module is started, and network scanning and identification are carried out on the emergency disposal site; for the networks of which the signal strength and quality of the 4G/5G mobile communication network module, the LTE broadband cluster private network module, the 2.4G/5.8G ad hoc network module and the Internet of things network module meet the set threshold values, putting the networks into a candidate set; the satellite communication network directly enters the candidate set;
step 2, selecting a network module for data transmission: the network module performs comparison and selection on a 4G/5G mobile communication network, a 1.4GLTE broadband cluster private network, a 2.4G/5.8G ad hoc network module and an Internet of things network module according to a maximum carrier-to-interference ratio principle according to the networks in the candidate set, and determines a network module for data transmission; if the network quality of the network module does not meet the requirement of data transmission, selecting a satellite communication network for data transmission, or forcibly switching and selecting the network module in a manual mode according to the actual requirement of an emergency disposal site;
and 3, uploading data: after the network connection between the multimode fusion acquisition terminal and the emergency command center is successful, according to the unified scheduling and arrangement of the command scheduling center, the multimode fusion acquisition terminal carries out protocol and data format conversion on the acquired video, picture, audio and data at the emergency disposal site through the selected network module under the scheduling of a unified network scheduling module, and uploads the acquired information to a data layer of the fusion command scheduling platform after the protocol and data format conversion is carried out on the acquired information through the heterogeneous network fusion gateway through the selected network module;
step 4, processing, storing, forwarding, calculating and analyzing data in the data layer of the fusion command and dispatching platform, and providing data service for a business application layer through the data service bus;
and 5, the service application layer calls data through a data service bus to complete a service application function.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116056049A (en) * | 2023-01-30 | 2023-05-02 | 中国联合网络通信集团有限公司 | Fusion embedded unit and fusion terminal |
| CN117785995A (en) * | 2024-02-28 | 2024-03-29 | 江西方兴科技股份有限公司 | Data display method and system based on Internet of things screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116056049A (en) * | 2023-01-30 | 2023-05-02 | 中国联合网络通信集团有限公司 | Fusion embedded unit and fusion terminal |
| CN116056049B (en) * | 2023-01-30 | 2024-04-09 | 中国联合网络通信集团有限公司 | Fusion embedded unit and fusion terminal |
| CN117785995A (en) * | 2024-02-28 | 2024-03-29 | 江西方兴科技股份有限公司 | Data display method and system based on Internet of things screen |
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