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Chemical industry

  
System Introduction
The dispatch communication system in the chemical industry is a multimedia integrated call command and dispatch platform that takes converged communication as its purpose, takes the administrative office and dispatch communication system as the basic framework, takes business expansion supports such as public address intercom, video surveillance, video conference, wireless communication, personnel positioning, wireless communication, environmental monitoring, command linkage, telephone conference, recording system, SMS notification, electronic fax, voice broadcast, background management and mobile phone application subsystems, and takes the disaster recovery system as the system guarantee. Through rich application integration, it forms a set of reliable, responsive, easy-to-operate and scalable comprehensive intelligent communication system.
  
Design Principles
The overall design principles revolve around "application integration, management visualization, business collaboration, and process flexibility". It ensures that the platform and system have a high level of security, advancement, economic practicality, scalability, and openness. Mature technologies and tool platforms are adopted, and at the same time, it has a certain degree of backward compatibility to protect the long-term investment of the user unit in existing software and hardware resources.
System Features
  • Integration of communication technologies

Interconnect various networks and wireless groups such as satellite communication, the Internet, GSM, 4G/5G, PSTN, and WIFI.
  • Integration of communication operators

Intelligently route the line resources of various communication operators such as China Mobile, China Telecom, and China Unicom to improve efficiency and reduce communication costs.
  • Integration of communication methods

Seamlessly link various communication methods such as voice, short messages, faxes, wireless clusters, videos, and networks.
  • Integration of system interfaces

Adopt standardized and normalized fully open interfaces to realize the integration of internal, external, new, old, equipment, and system communication interfaces.
  • Integration of operation terminals

Unified object operations can be performed on landlines, office computers, mobile phone terminals, and IPAD terminals.
  
Administrative and Dispatch Modules
The system has the functions of administrative telephone and dispatch communication system. According to the usage requirements, relevant permission restrictions and intercommunication isolation can be set for administrative telephones and dispatch telephones.
  
Public Address Intercom Module
  • It features flexible functions, simple operation, and fast voice transmission, realizing the automation of production scheduling and modernization of management, and can seamlessly integrate and intercommunicate with the emergency dispatch platform.

  • Supports point-to-point, group, full call, single and two-way intercom, and broadcast playback. It supports different playback modes such as instant broadcast, text broadcast, and audio broadcast.

  • Supports duplex intercommunication with dispatch phones, walkie-talkies, explosion-proof mobile phones, emergency command centers, and fire alarm receiving centers, as well as emergency calls and full integration linkage.

  • Supports real-time viewing of the current status of each terminal (idle, off-hook, dialing). The emergency command center and fire alarm receiving center can perform emergency access through one-click monitoring, forced insertion, forced disconnection, three-way calls, etc.

  • Supports linkage with local cameras. When receiving/making calls, the emergency command center and fire alarm receiving center can simultaneously access the broadcast voice and video monitoring screen for dispatch linkage.

Emergency Broadcast Module
  • The broadcast can support three playing mechanisms. 1. Timed cycle playback: It can play in a loop by setting the date, time and customizing the audio. 2. Temporary broadcast: The dispatch center can select the terminal to be broadcast and click broadcast for temporary notification. 3. TTS broadcast: Text can be entered into the dispatch system, and timed broadcast can be carried out by setting the broadcast time and the terminal to broadcast.

  • Each broadcast will generate a broadcast record, which includes the date, time, initiating broadcast terminal, terminal receiving the broadcast, terminals with successful broadcast, terminals with failed broadcast, and the content of the broadcast.

  • Automatic broadcast in arbitrary partitions: Through the setting of the control software, any one or multiple terminals can be freely divided into regions and combined arbitrarily. At the same time, each region can automatically play different contents without interfering with each other.

  • The emergency alarm system plays music normally. When an emergency broadcast is required, the system immediately switches to the emergency broadcast state and conducts emergency broadcast to the required broadcast area. At the same time, the system has an alarm linkage function. When an alarm occurs, it will automatically notify each control node of the local police situation, and automatically alarm the affiliated area and the affected area according to the scope and severity of the police situation, so as to improve the efficiency of crowd evacuation and reduce the degree of loss.

Video Surveillance Module
  • Alarm terminals are linked with video surveillance for on-wall display. Video linkage can be performed when voice devices are off-hook or on-hook, and video linkage on-wall can be carried out when dialing emergency broadcast terminals or emergency hotlines.

  • Supports real-time push of monitoring images, and GPS positioning video surveillance to track real-time pictures of moving objects.

  • Networking mode: It can be used with video surveillance systems of various mainstream manufacturers with different standards. The video surveillance system is integrated into the converged dispatch communication to realize linkage, unified management and scheduling.

  • System features: Supports monitoring grouping and custom editing. Each camera can be configured with relevant position information and flexibly grouped. The monitoring cameras to be viewed can be quickly found through fuzzy query by group or location name.

  • Personalized editing of monitoring: Supports configuration of different screen combinations such as 1-screen, 4-screen, 9-screen, 16-screen and 24-screen. Personalized editing of screen combinations such as 1 large + 5 small, 1 large + 7 small, 1 large + 12 small can be carried out according to needs.

  • Through the monitoring screen, one-click review and capture of relevant monitoring records can be realized. Monitoring records can be shared from the dispatch command room to other sub-control centers with one click.

  • Cameras with pan-tilt control functions can also be controlled via pan-tilt, enabling control such as video focusing, aperture adjustment, rotation, and preset point setting.

Personnel Positioning Module
  • 2.4G wireless micro-power consumption integrated technology: Based on ZIGBEE, Bluetooth underlying technology and microwave transmission technology.

  • Low power consumption: The battery-powered locator can stand by for more than 5 years, and the personnel positioning card with a high-frequency 2-second refresh rate can stand by for about 5 months on a single charge.

  • Not a large number of deployment points: The communication distance is more than twice that of Bluetooth, and the quantity ratio is about 1:3.

  • Relatively high precision: 2-3 meters error, second only to UWB, which is sufficient for personnel positioning.

  • Low power consumption: 90% of the fixed equipment with low power consumption is fully wireless, with small construction workload, and can pass through and detour. Especially in terms of passability and detour, optimization has been made. After passing through and detouring, the distance shortening range is small, and the fully wireless ad-hoc network mode is very stable.

Handheld Intercom Module
  • Wide and narrow dual-mode: Walkie-talkies can be connected to the converged dispatch communication system through broadband intercom (WIFI, 4G) and narrowband intercom (frequency band).

  • Permission control: The command center can group, control and monitor different groups of handheld intercom groups, and send instant messaging contents including text, audio, video, pictures, expressions, files, etc.

  • Intercom permission: In the broadband intercom mode, the intercom permission of intercom personnel can be set. Those with higher permissions can interrupt the calls of intercom personnel with lower permissions.

  • Emergency guarantee: When WIFI and 4G signals are unavailable, the handheld intercom can be switched to frequency band intercom to ensure that voices can still be heard in emergency situations.

  • The dispatch command center platform can directly intercom with handheld terminals by 圈选 on the GIS map or selecting groups, and the dispatch command center platform can check the online status information of handheld terminals.

  • The dispatch command center platform can directly intercom with handheld terminals by 圈选 on the GIS map or selecting groups.

  
Emergency Command Linkage Module
  • Establish eight major databases including plan database, knowledge database, case database, expert database, hazard source database, protection target database, emergency rescue force database and emergency resource database. Paper documents are uniformly collected and imported into electronic documents. The required knowledge database can be quickly located through keyword fuzzy query, supporting one-click sharing and one-click printing, so as to improve the support response efficiency of technical experience and knowledge in emergency situations.

  • Deploy an integrated platform integrating administrative and dispatch functions. Through flexible permission allocation and formulation, it can realize custom dialing and dispatch permission control between the fire emergency center, production scheduling center, emergency terminals, between factory partitions, and between internal and external lines.

  • Strengthen dispatch communication means by integrating communication systems such as DMR intercom, broadband intercom and broadcast intercom. The dispatch center can realize functions beyond voice, such as audio and video, text, data and information notification. It supports value-added functions like voice and video grouping, full dispatch, and real-time personnel trajectory positioning.

  • Create a "three-dimensional" perceivable platform. By connecting with video surveillance, DCS monitoring system, fire protection system and existing data platforms, the previously scattered data that "fought on their own" are aggregated to the platform center. Combined with map information, it presents multi-dimensional and three-dimensional emergency perception, providing data support for dispatch.

Recording System Module
  • Supports different recording modes including voltage-controlled, voice-controlled, code-controlled and continuous recording.

  • Allows real-time monitoring of calls and checking of line status.

  • Enables querying of recording results according to various conditions such as call time, channel, call duration and missed calls.

  • Automatically records the time, incoming/outgoing status and duration of each call, with online playback and download backup of recordings.

  • Supports configuration of different recording modes and parameters for each channel.

  • Allows planning of recording time and making recording plans according to specific time periods.

  • Supports setting of non-recording lists, enabling selective recording based on numbers.

  • When the storage space reaches the preset limit, it can generate an alarm and automatically delete old recording files for cyclic recording.

  • Supports local and remote backup of recording files, and recording files can be uploaded to the storage server via FTP across the network.

  • The recording system supports operation log recording, and important operations can be queried and traced back.

  • Multi-level permission management: different permissions are granted to different accounts, and corresponding permissions allow checking and listening to recording records within the permission scope.

Environmental Monitoring Module
  • Alarm terminals are linked with video surveillance for on-wall display. Video linkage can be performed when voice devices are off-hook or on-hook, and video linkage on-wall can be carried out when dialing emergency broadcast terminals or emergency hotlines.

  • Supports real-time push of monitoring images, and GPS positioning video surveillance to track real-time pictures of moving objects.

  • Real-time monitoring of the harmfulness of gases in confined environments, the safety of personnel, temperature and the sudden occurrence of fires.

  • Networking mode: It can be used with video surveillance systems of various mainstream manufacturers with different standards. The video surveillance system is integrated into the converged dispatch communication to realize linkage, unified management and scheduling.

  • System features: Supports monitoring grouping and custom editing. Each camera can be configured with relevant position information and flexibly grouped. The monitoring cameras to be viewed can be quickly found through fuzzy query by group or location name.

  • Personalized editing of monitoring: Supports configuration of different monitoring screen combinations such as 1-screen, 4-screen, 9-screen, 16-screen and 24-screen. Personalized editing of screen combinations such as 1 large + 5 small, 1 large + 7 small, 1 large + 12 small can be carried out according to needs.

  • Through the monitoring screen, one-click review and capture of relevant monitoring records can be realized. Monitoring records can be shared from the dispatch command room to other sub-control centers with one click.

  • Cameras with pan-tilt control functions can also be controlled via pan-tilt, enabling control such as video focusing, aperture adjustment, rotation and preset point setting.

GIS Positioning Module
  • It has the function of presenting personnel positioning query in the electronic map, quickly finding the position of the positioning tag, real-time presenting the personnel activity at each positioning point, and displaying the detailed information of personnel positioning.

  • The electronic map can be divided into regions and managed, and can be zoomed in and out. When tracking a single person, the map will switch automatically, and the map can be switched manually to view the activity of all personnel in a certain area.

  • It has the function of counting the current number of personnel in each positioning area or positioning point and the detailed personnel.

  • It can track designated personnel, and the map switches automatically as the designated personnel move.

  • It has the function of finding the current location of personnel and assisting in personnel search and rescue.

  • It has the function of querying and replaying the activity trajectory of personnel in a specified time period.

  • Virtual electronic fences can be added on the software platform for some dangerous areas in the freight yard or areas where vehicles and personnel are prohibited. The corresponding graphic areas can be freely drawn with the mouse, and electronic fence level attributes can be set for the designated areas.

  • For long-term static state, set a long-term static alarm prompt for the positioning tag. If the positioning tag is in a static state for a long time, the system can issue an alarm prompt to prevent on-site vehicles and personnel from being idle during work.

  • Low battery alarm: The battery level of the positioning tag is displayed in real time on the software platform. When the battery level of the positioning tag is lower than 30%, the system will automatically remind relevant personnel to charge the tag (when the battery level is lower than 5%, the tag enters the dormant state).

  • The positioning system is connected to video surveillance cameras to realize real-time tracking and viewing of positioning and video pictures for some important work areas and important goods, achieving a high security level. In case of a dangerous accident, when the positioning system issues an alarm, it will call nearby cameras and capture and archive the pictures.

  • Historical trajectory replay: The management center stores the movement information of vehicles and personnel in the background data server, and can replay the historical trajectory of personnel on the system anytime and anywhere. It can not only query the running route, the stay time at the post point and the record type, but also query the implementation of the work. It provides an effective tracking and review platform for the competent department and a platform for hidden danger handling, so as to timely find potential safety hazards of materials, equipment and facilities.