Emergency notification system and method based on urban emergencies

Abstract

The invention discloses an emergency notification system and method based on urban emergencies, and the system comprises an information encryption and authentication module which is used for guaranteeing the authenticity and integrity of information and preventing the information from being tampered; the multi-mode transmission module is used for supporting information transmission in text, voice and image forms; the geographic positioning service module is used for sending an alarm according to the position information of the user; the redundant backup mechanism module is used for ensuring stable operation of the emergency notification system; the emergency broadcast module is used for receiving emergency information of the current-level emergency information source and emergency broadcast messages of upper and lower-level emergency broadcast platforms; and the user feedback module is used for collecting the information receiving condition of the user, evaluating the effect and improving the effect. The emergency notification system which is vertically through, comprehensively covered, safe, reliable, accurate and efficient is established, loss caused by disasters and accidents is reduced to the maximum extent, and support is provided for promoting improvement of an emergency management system.

Description

Technical Field

[0001] The invention belongs to the technical field of urban safety management, and in particular relates to an emergency notification system and method based on urban emergencies. Background Art

[0002] The large population base and dense urban structure may cause serious casualties and social impacts in the event of natural disasters (such as earthquakes and floods) or public safety incidents (such as epidemics and fires).

[0003] An efficient emergency broadcasting system can promptly inform the public to take appropriate risk avoidance measures and reduce losses caused by disasters. According to the relevant regulations and standards of the Ministry of Emergency Management, cities must establish a complete emergency broadcasting system to improve the city's disaster prevention and mitigation capabilities.

[0004] With the development of information technology, especially the application of technologies such as mobile Internet, big data and cloud computing, technical support has been provided for the construction of efficient and reliable emergency broadcasting systems. The advancement of multimedia technology has made information transmission more diverse and improved the effectiveness of information transmission. Many cities and regions at home and abroad have established mature emergency broadcasting systems and have played an important role in practical applications. These successful cases have provided valuable experience for the city. For example, Japan's earthquake early warning system and the United States' Emergency Alert System (EAS) are all examples worthy of reference.

[0005] The existing emergency notification system still has the following deficiencies:

[0006] Content limitations: Only pre-recorded audio files or real-time voice can be played, and it is difficult to update the content in real time.

[0007] Spatial limitations: Usually confined to a specific area or building and cannot be broadcast simultaneously across long distances or in multiple locations.

[0008] Functional limitations: Lack of advanced features such as remote control, automated playback, multi-language support, etc.

[0009] The degree of standardization is not high: the compatibility between different systems is poor, making it difficult to achieve unified management.

[0010] Difficulty in linking multiple systems: Under abnormal operation conditions, it is difficult to link with other systems, such as traffic signal systems, information release systems, etc.

[0011] Weak network operation capabilities: Lack of integration with modern network technology makes it difficult to adapt to the needs of network operations. Summary of the invention

[0012] In view of the above problems, the present invention is proposed to provide an emergency notification system and method based on urban emergencies that overcome the above problems or at least partially solve the above problems.

[0013] To achieve the above object, the present invention adopts the following technical solutions:

[0014] An emergency notification system based on urban emergencies, the system comprising:

[0015] Information encryption and authentication module, used to ensure the authenticity and integrity of information and prevent information tampering;

[0016] Multimodal transmission module, used to support information transmission in the form of text, voice and image;

[0017] Geolocation service module, used to send alerts based on the user's location information;

[0018] Redundant backup mechanism module, used to ensure the stable operation of the emergency notification system;

[0019] Emergency broadcast module, used to receive emergency information from the emergency information source at the same level, and emergency broadcast messages from the upper and lower emergency broadcast platforms;

[0020] The user feedback module is used to collect information received by users in order to evaluate the effect and make improvements.

[0021] Optionally, the system further comprises a transmission coverage network module and a receiving terminal module, the transmission coverage network module is used to realize the reception, verification, response and automatic broadcasting of emergency broadcast messages, and the receiving terminal module is used to receive notification messages.

[0022] Optionally, the system also includes a supervision and assessment module and a media resource module. The supervision and assessment module is used to monitor in real time the status data of the platform, adapter, terminal and the broadcast status of the message transmitted back by the lower-level platform, and the media resource module is used to receive and store daily broadcast content and emergency broadcast information.

[0023] Optionally, the system also includes an intelligent operation and maintenance module, which is used for operation and maintenance management of the emergency notification system.

[0024] Optionally, the intelligent operation and maintenance module includes:

[0025] The computer room operation and maintenance unit is used to perform operation and maintenance management on the assets in the computer room;

[0026] Dynamic environment monitoring unit, used to connect to the computer room and dispatching control hall computer room security monitoring system, to achieve remote monitoring of the computer room and dispatching control hall;

[0027] an integrated equipment management unit for managing cable, terrestrial, FM and medium wave emergency broadcast adapters;

[0028] The remote intelligent duty unit is used to build a mobile phone APP to quickly release emergency broadcasts through the mobile phone APP.

[0029] Optionally, the system also includes a video fusion command module and an integrated visualization module. The video fusion command module is used to realize video browsing, unified management and coordinated scheduling of video systems of different formats. The integrated visualization module is used for data translation, visual real-time rendering and visual display output, and realizes display on the screen.

[0030] Optionally, the emergency broadcast module includes a production and broadcasting unit and a scheduling control unit.

[0031] Optionally, the production and broadcasting unit includes:

[0032] Information access, responsible for the access function of emergency information, realizing the access, verification and broadcast feedback of emergency broadcast messages of upper and lower emergency broadcast platforms;

[0033] Information processing: analyzing and storing the incoming emergency information and emergency broadcast messages, and providing information prompts and notifications;

[0034] Information production, converting the collected raw data into audio and video programs and multimedia information files;

[0035] Review and broadcast: conduct overall review and broadcast of emergency access information and completed emergency broadcast information.

[0036] Optionally, the scheduling control unit includes:

[0037] Resource management: responsible for managing emergency broadcasting platforms and broadcasting station resources at all levels, realizing regular synchronous collection of emergency broadcasting resource status, and recording them in the database for unified management and control;

[0038] Generate and broadcast, responsible for the generation and distribution of emergency broadcast messages;

[0039] Resource scheduling, responsible for the release decision, control and process monitoring of emergency broadcast messages;

[0040] Terminal control, responsible for receiving and processing the information returned by terminals or adapters at all levels on their operating status;

[0041] Effect evaluation, responsible for presenting the effect of emergency broadcast message distribution and coverage;

[0042] Operation and maintenance management: responsible for the maintenance and management of the emergency broadcasting platform, and supporting the daily operation and monitoring and supervision of the emergency broadcasting platform;

[0043] Security services, responsible for the security protection and verification of emergency broadcast messages;

[0044] System management, responsible for the overall management and support of the emergency broadcasting platform.

[0045] The present invention also provides an emergency notification method based on urban emergencies, the method is based on any of the above-mentioned emergency notification systems based on urban emergencies, and the method comprises:

[0046] Log in to the platform or terminal device;

[0047] Communicate with field terminals via satellite, wireless, wired or radio;

[0048] Retrieve on-site video footage, deliver notifications through broadcast terminals, and conduct remote commands;

[0049] The high-authority platform issues a notification that the emergency characteristics are of the important level and the broadcast terminal will be used first;

[0050] On-site personnel received emergency notification.

[0051] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0052] 1. The present invention collects, aggregates and shares emergency information from emergency information sources, prepares emergency broadcast messages in a standard format, and sends the emergency broadcast messages to the transmission coverage network, radio and television frequency channel broadcasting system and upper and lower emergency broadcasting platforms to which they belong, and broadcasts them live, in fixed / rolling subtitles and on various new media systems through the radio and television frequency channel broadcasting system. Active publishing terminals in the on state can directly receive emergency broadcast programs, and can convey emergency information to the public as soon as possible, reducing the time delay of information transmission, and ensuring that people can quickly receive official warnings or guidance information.

[0053] 2. The present invention transmits instructions and programs to corresponding receiving terminals through the transmission coverage network. Terminals with emergency broadcasting functions will be activated in standby mode and receive emergency broadcasting programs. The emergency broadcasting effect monitoring and evaluation system collects data such as broadcasting content, device response, receiving coverage, etc. in the emergency broadcasting platform, transmission coverage network and receiving terminals, and comprehensively evaluates the emergency broadcasting effect. The emergency broadcasting system uses digital signatures to ensure the security of emergency broadcasting messages transmitted between the platform, transmission coverage network and terminals.

[0054] 3. The present invention establishes an emergency notification system that is connected from top to bottom, comprehensively covered, safe, reliable, accurate and efficient, which can minimize the losses caused by disasters and accidents and provide support for promoting the improvement of the emergency management system. When a disaster occurs, government departments can quickly activate the emergency response mechanism through the emergency broadcast system, organize rescue forces, improve response efficiency, and reduce losses caused by disasters; for special groups such as remote areas, the elderly, and the disabled, the emergency broadcast system can ensure that they can obtain necessary information even without Internet access. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] Figure 1 A schematic diagram of an emergency notification system based on urban emergencies provided in an embodiment of the present application. DETAILED DESCRIPTION

[0056] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0057] Embodiment 1:

[0058] See also Figure 1 This embodiment provides an emergency notification system based on urban emergencies, including:

[0059] Information encryption and authentication module, used to ensure the authenticity and integrity of information and prevent information tampering;

[0060] Multimodal transmission module, used to support information transmission in the form of text, voice and image;

[0061] Geolocation service module, used to send alerts based on the user's location information;

[0062] The redundant backup mechanism module is used to ensure the stable operation of the emergency notification system and maintain normal services even if some nodes fail.

[0063] The emergency broadcast module is used to receive emergency information from the emergency information source at this level, as well as emergency broadcast messages from upper and lower level emergency broadcast platforms.

[0064] The emergency broadcast module receives emergency information from the emergency information source at this level, as well as emergency broadcast messages from the upper and lower emergency broadcast platforms, quickly processes and produces corresponding emergency broadcast programs, generates emergency broadcast messages based on the emergency broadcast resources at this level, and broadcasts them through the radio and television frequency channel broadcast system or transmission coverage network. The emergency broadcast module includes a production and broadcast unit and a dispatch control unit.

[0065] The production and broadcasting unit needs to receive emergency information safely, reliably and quickly through automatic or manual means, verify the identity information of the emergency information release source, and check the integrity of the emergency information. It forms the ability to comprehensively collect, efficiently analyze, produce programs, and quickly broadcast in multiple channels for early warning information to meet the emergency needs of public emergencies. The production and broadcasting unit includes:

[0066] Information access, responsible for the access function of emergency information, including receiving emergency information sent by emergency departments, supporting access and verification of received emergency information data and feeding back the broadcast results to the emergency information source unit to realize the access, verification and broadcast feedback of emergency broadcast messages of upper and lower emergency broadcast platforms;

[0067] Information processing: analyzing and storing the incoming emergency information and emergency broadcast messages, and providing information prompts and notifications through the system interface, etc.;

[0068] Information production, which converts the collected raw data into audio and video programs and multimedia information files; it has the function of generating emergency broadcast information based on broadcasting needs and broadcasting strategies.

[0069] Review and broadcast: conduct overall review and broadcast of emergency access information and completed emergency broadcast information.

[0070] The dispatch control unit is the management and control core of the emergency broadcast system. Each system is connected with the corresponding production and broadcasting system at the same level to ensure the timely and accurate release of emergency messages through mutual connectivity and collaboration. The upper and lower platforms of the emergency broadcast dispatch control system realize the upload and download of emergency information and management control data through a two-way data transmission link. The dispatch control unit includes:

[0071] Resource management: responsible for managing emergency broadcasting platforms and broadcasting station resources at all levels, realizing regular synchronous collection of emergency broadcasting resource status, and recording them in the database for unified management and control;

[0072] Generate and broadcast, responsible for the generation and distribution of emergency broadcast messages. Generate and broadcast is the core system of the entire dispatching and control platform, responsible for the generation and distribution of emergency broadcast instructions. After successfully receiving the emergency broadcast release requirements from the information release platform of each emergency business initiating department, Generate and broadcast will conduct a comprehensive evaluation based on the real-time records in the resource management system in the dispatching and control platform (such as the status and type of front-end equipment, location, coverage population and other factors). According to the results of the comprehensive evaluation, the optimal transmission coverage plan is automatically analyzed and generated, and the entire plan analysis and generation does not require human participation. When the emergency information is issued, the emergency information will be notified to the relevant regional person in charge in the form of text messages.

[0073] Resource scheduling, responsible for the release decision, control and process monitoring of emergency broadcast messages;

[0074] Terminal control, responsible for receiving and processing the information returned by terminals or adapters at all levels on their operating status;

[0075] Effect evaluation is responsible for presenting the effect of emergency broadcast message distribution and coverage; it includes broadcast content supervision, broadcast resource monitoring, real-time status monitoring of broadcast resources, historical status monitoring of broadcast resources, distribution and transmission effect monitoring, and command and control functions.

[0076] Operation and maintenance management is responsible for the maintenance and management of the emergency broadcasting platform, supporting the daily operation and monitoring and supervision of the emergency broadcasting platform; it mainly consists of daily maintenance, data management, and emergency drills.

[0077] Security service is responsible for the security protection and verification of emergency broadcast messages. The emergency broadcast platform software security service function module calls the security service dedicated equipment to realize the ability to securely protect and verify emergency broadcast messages, and supports certificate security management of adapter devices, terminal devices and docking platforms connected to the platform, building a systematic security certification system.

[0078] System management is responsible for the overall management and support of the emergency broadcasting platform. System management mainly completes the overall management and support of the emergency broadcasting platform, including user management, role management, permission management, broadcast permission management, operation log management, phone book management, sensitive word management and platform comprehensive management modules.

[0079] The user feedback module is used to collect information received by users in order to evaluate the effect and make improvements.

[0080] Transmission coverage network module, the transmission coverage network module is used to realize the reception, verification, response and automatic broadcasting of emergency broadcast messages.

[0081] The transmission coverage network module is composed of one or more radio and television transmission coverage systems such as frequency channel system, live broadcast satellite, Beidou satellite, medium wave broadcast, cable digital TV, FM broadcast, terrestrial digital TV, emergency broadcast loudspeaker system, mobile emergency broadcast system, IPTV, Internet platform, high mountain relay station, urban emergency broadcast system, and integrated media. By deploying necessary equipment such as emergency broadcast adapters at the front end / station, the reception, verification, response and automatic broadcast of emergency broadcast messages can be realized.

[0082] The receiving terminal module is used to receive notification messages.

[0083] The receiving terminals covered by the emergency broadcasting system include: multi-mode sound columns, multi-mode receivers and amplifiers, high-reliability terminals, radios, set-top boxes, televisions, as well as outdoor large screens, new media terminals and urban public broadcasting docking terminals.

[0084] The supervision and assessment module is used to monitor the status data of the platform, adapter, and terminal and the broadcast status of the message sent back by the subordinate platform in real time.

[0085] The supervision and assessment module is responsible for real-time monitoring of the status data of the platform, adapter, and terminal and the broadcast status of messages transmitted back by the lower-level platform. Based on the collected daily broadcast quantity, online rate, and fault handling time, each application-level emergency broadcast platform is assessed and scored, and the operation and maintenance and emergency message broadcast are assessed and scored on a monthly, quarterly, and annual basis. Requirements include: system operation status detection, emergency broadcast broadcast status monitoring, emergency broadcast resource supervision, emergency drill supervision, and daily assessment modules. Together, they support the supervision of the emergency broadcast dispatch control system.

[0086] The media resource module is used to receive and store daily broadcast content and emergency broadcast information.

[0087] The media resource module receives and stores daily broadcast content and emergency broadcasts. It imports reliable information through previously confirmed legitimate information sources and shields illegal or unknown information. After the information is imported, the content is cataloged and stored, and an interface is provided to facilitate export through the linkage scheduling platform. The stored media resource files can be used multiple times.

[0088] The media resource module consists of multiple modules such as media resource collection and review, shared storage, and editing and scheduling. The program collection and editing module consists of multiple functions such as live source collection and editing, media resource file recording and editing, TTS text speech synthesis, excellent program sharing, audio production and editing, and program auditing and review. The program shared storage module provides program library management, program storage, program retrieval and other services for the entire platform. The editing and scheduling module supports functions such as program scheduling, preview, pre-listening and backtracking, and plan template management. The shared management and control module provides users with program column classification, program search, browsing, audition, on-demand record query, ranking list viewing, user registration and authentication, billing viewing, payment and recharge and other business functions. The module is mainly divided into the following columns: program selection, program ranking, excellent shared program, column program, ethnic characteristics column, crop characteristics column, regional characteristics column, policy and regulations column, etc. The functional positioning of each column is clear, and the special column programs are distinctive.

[0089] Smart operation and maintenance module, the smart operation and maintenance module is used for the operation and maintenance management of the emergency notification system.

[0090] The intelligent operation and maintenance module includes:

[0091] The computer room operation and maintenance unit is used to manage the operation and maintenance of the assets in the computer room, including the space capacity of the cabinets and the operating status and alarm information of the assets. It can present asset information, including but not limited to equipment type, model, purchase and shelf date, location, maintenance and other information.

[0092] The dynamic environment monitoring unit is used to connect to the computer room and dispatching control hall computer room security monitoring system to realize remote monitoring of the computer room and dispatching control hall; it can realize integrated docking with third-party equipment and provide basic business control interfaces independent of the equipment to the outside world, thereby realizing a unified interface for each device and unified management of the equipment.

[0093] Integrated equipment management unit for managing cable, terrestrial, FM and medium wave emergency broadcast adapters; including equipment status monitoring, map positioning, on-map configuration, etc.

[0094] Remote intelligent duty unit, used to build mobile phone APP, to quickly release emergency broadcasts through mobile phone APP. Supports file, text, live streaming broadcasts. Supports setting event type and event level. Connects with the city emergency broadcast platform, the platform broadcast task list displays the broadcast records issued, and is synchronized with the broadcast list on the platform; supports resource management functions, and statistics are organized according to regions or states. It has functions such as real-time monitoring of interstitial content and retrospective monitoring of historical interstitial content.

[0095] The video fusion command module is used to realize video browsing, unified management and coordinated scheduling of video systems of different standards.

[0096] The video fusion command module includes a mobile collaboration module, a fusion dispatch subsystem, a real-time command subsystem, a unified communication service system, and a support management system. It communicates with operators through comprehensive multimedia methods such as video, voice, and data messages to meet the command and dispatch requirements in various complex environments. It can also connect the video sources of the original monitoring platform, video conferencing and other systems to the system to realize video browsing, unified management, and collaborative dispatch of video systems of different formats.

[0097] And a comprehensive visualization module, which is used for data translation, real-time visualization rendering and visualization display output, and realizes display on the screen.

[0098] According to the needs of emergency broadcasting business, business display is selectively performed. For the content that needs to be displayed, data acquisition and analysis must be performed first. The data analysis module interfaces with the modules of the emergency broadcasting core platform to obtain key display data, analyze and extract useful data, classify and organize, and form a comprehensive display data chain for processing by the display screen module. According to the requirements of visual display, the display screen module completes data translation, visual real-time rendering, and visual display output to realize display on the screen.

[0099] This embodiment collects, aggregates and shares emergency information from emergency information sources, prepares emergency broadcast messages in a standard format, and sends the emergency broadcast messages to the transmission coverage network, radio and television frequency channel broadcast system and upper and lower emergency broadcast platforms to which they belong, and broadcasts them live, with fixed / rolling subtitles and various new media systems through the radio and television frequency channel broadcast system. Active publishing terminals that are turned on can directly receive emergency broadcast programs, and can convey emergency information to the public as soon as possible, reducing the time delay in information transmission and ensuring that people can quickly receive official alerts or guidance information.

[0100] This embodiment transmits instructions and programs to the corresponding receiving terminals through the transmission coverage network. The terminals with emergency broadcasting functions will be activated in standby mode and receive emergency broadcasting programs. The emergency broadcasting effect monitoring and evaluation system collects data such as broadcasting content, device response, and receiving coverage in the emergency broadcasting platform, transmission coverage network, and receiving terminals, and comprehensively evaluates the emergency broadcasting effect. The emergency broadcasting system uses digital signatures to ensure the security of emergency broadcasting messages transmitted between the platform, transmission coverage network, and terminals.

[0101] This embodiment establishes an emergency notification system that is connected from top to bottom, comprehensively covered, safe, reliable, accurate and efficient, which minimizes the losses caused by disasters and accidents and provides support for promoting the improvement of the emergency management system. When a disaster occurs, government departments can quickly activate the emergency response mechanism through the emergency broadcast system, organize rescue forces, improve response efficiency, and reduce losses caused by disasters; for special groups such as remote areas, the elderly, and the disabled, the emergency broadcast system can ensure that they can obtain necessary information even without Internet access.

[0102] Embodiment 2:

[0103] Embodiment 2 discloses an emergency notification method based on urban emergencies. The method is based on the above-mentioned emergency notification system based on urban emergencies, and the method comprises the following steps:

[0104] S1. Log in to the platform or terminal device.

[0105] S2. Communicate with the on-site terminal via satellite, wireless, wired or radio.

[0106] S3. Retrieve on-site video footage, deliver notifications through the broadcast terminal, and conduct remote command.

[0107] S4. The high-authority platform issues a notification that the broadcast terminal will be used first if the emergency characteristics are of an important level.

[0108] S5. On-site personnel receive emergency notification.

[0109] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An emergency notification system based on urban emergencies, characterized in that: The system comprises: Information encryption and authentication module, used to ensure the authenticity and integrity of information and prevent information tampering; Multimodal transmission module, used to support information transmission in the form of text, voice and image; Geolocation service module, used to send alerts based on the user's location information; Redundant backup mechanism module, used to ensure the stable operation of the emergency notification system; Emergency broadcast module, used to receive emergency information from the emergency information source at the same level, and emergency broadcast messages from the upper and lower emergency broadcast platforms; The user feedback module is used to collect information received by users in order to evaluate the effect and make improvements.

2. An emergency notification system based on urban emergencies as claimed in claim 1, characterized in that: The system also includes a transmission coverage network module and a receiving terminal module. The transmission coverage network module is used to realize the reception, verification, response and automatic broadcasting of emergency broadcast messages, and the receiving terminal module is used to receive notification messages.

3. An emergency notification system based on urban emergencies as claimed in claim 1, characterized in that: The system also includes a supervision and assessment module and a media resource module. The supervision and assessment module is used to monitor the status data of the platform, adapter, and terminal and the broadcast status of the message transmitted back by the lower-level platform in real time, and the media resource module is used to receive and store daily broadcast content and emergency broadcast information.

4. An emergency notification system based on urban emergencies as claimed in claim 1, characterized in that: The system also includes an intelligent operation and maintenance module, which is used for operation and maintenance management of the emergency notification system.

5. An emergency notification system based on urban emergencies as claimed in claim 4, characterized in that: The intelligent operation and maintenance module includes: The computer room operation and maintenance unit is used to perform operation and maintenance management on the assets in the computer room; Dynamic environment monitoring unit, used to connect to the computer room and dispatching control hall computer room security monitoring system, to achieve remote monitoring of the computer room and dispatching control hall; an integrated equipment management unit for managing cable, terrestrial, FM and medium wave emergency broadcast adapters; The remote intelligent duty unit is used to build a mobile phone APP to quickly release emergency broadcasts through the mobile phone APP.

6. An emergency notification system based on urban emergencies as claimed in claim 1, characterized in that: The system also includes a video fusion command module and a comprehensive visualization module. The video fusion command module is used to realize video browsing, unified management and coordinated scheduling of video systems of different formats. The comprehensive visualization module is used for data translation, visual real-time rendering and visual display output, and realizes display on the screen.

7. An emergency notification system based on urban emergencies as claimed in claim 1, characterized in that: The emergency broadcast module includes a production and broadcasting unit and a scheduling control unit.

8. An emergency notification system based on urban emergencies as claimed in claim 7, characterized in that: The production and broadcasting unit comprises: Information access, responsible for the access function of emergency information, realizing the access, verification and broadcast feedback of emergency broadcast messages of upper and lower emergency broadcast platforms; Information processing: analyzing and storing the incoming emergency information and emergency broadcast messages, and providing information prompts and notifications; Information production, converting the collected raw data into audio and video programs and multimedia information files; Review and broadcast: conduct overall review and broadcast of emergency access information and completed emergency broadcast information.

9. An emergency notification system based on urban emergencies as claimed in claim 7, characterized in that: The scheduling control unit comprises: Resource management: responsible for managing emergency broadcasting platforms and broadcasting station resources at all levels, realizing regular synchronous collection of emergency broadcasting resource status, and recording them in the database for unified management and control; Generate and broadcast, responsible for the generation and distribution of emergency broadcast messages; Resource scheduling, responsible for the release decision, control and process monitoring of emergency broadcast messages; Terminal control, responsible for receiving and processing the information returned by terminals or adapters at all levels on their operating status; Effect evaluation, responsible for presenting the effect of emergency broadcast message distribution and coverage; Operation and maintenance management: responsible for the maintenance and management of the emergency broadcasting platform, and supporting the daily operation and monitoring and supervision of the emergency broadcasting platform; Security services, responsible for the security protection and verification of emergency broadcast messages; System management, responsible for the overall management and support of the emergency broadcasting platform.

10. An emergency notification method based on urban emergencies, the method is based on an emergency notification system based on urban emergencies according to any one of claims 1 to 9, characterized in that: The method comprises: Log in to the platform or terminal device; Communicate with field terminals via satellite, wireless, wired or radio; Retrieve on-site video footage, deliver notifications through broadcast terminals, and conduct remote commands; The high-authority platform issues a notification that the broadcast terminal will be used first if the emergency characteristics are at an important level; on-site personnel receive the emergency notification.

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