SIP广播对讲煤矿应急

Program Overview

方案概况

To address the challenge of emergency communications in coal mines, the solution employs an explosion-proof broadcast intercom system based on the SIP protocol. This system provides comprehensive coverage across underground workings, refuge chambers, and the surface dispatch centre, enabling seamless connectivity across all operational scenarios.

The core system enables underground terminals to initiate one-touch calls to surface dispatch centres, simultaneously triggering monitoring retrieval. During anomalies (gas overlimit, collapses), the monitoring system automatically broadcasts evacuation instructions. All equipment holds explosion-proof certification. Terminals cache offline instructions during network outages, ensuring uninterrupted communication. This facilitates emergency response within seconds, significantly enhancing personnel safety.

System Function

系统功能

Underground Explosion-Proof Push-to-Talk System

Explosion-proof terminals shall be installed at underground working faces and refuge chambers, enabling one-touch calling to surface dispatch consoles. This facilitates simultaneous retrieval of on-site surveillance footage to assist emergency response operations.

Automatic Emergency Broadcast Trigger

Integrated with gas and roof monitoring systems, it automatically broadcasts evacuation instructions during anomalies without manual intervention, thereby reducing response times.

Offline Communication Assurance During Network Disconnection

During network outages, underground terminals cache instructions; emergency shelters can broadcast locally to ensure uninterrupted emergency communications when connectivity is lost.

Precision broadcasting in underground zones

Organise work areas and haulage roadways into distinct zones, issuing targeted dispatch instructions and safety advisories to prevent information overload across the entire site.

Emergency Call Recording for Evidence Preservation

Automatically stores emergency calls and broadcast content from the well site, associating them with timestamps and terminal locations to facilitate incident tracing and verification.

Multi-terminal ground-based coordinated dispatch

The surface dispatch console can simultaneously call multiple underground terminals, enabling unified command and control, and is suitable for large-scale personnel evacuation scenarios.

Advantages of the Solution

方案优势

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Offline functionality during network outages

Underground terminals cache emergency instructions during connectivity loss, whilst refuge chambers can broadcast evacuation information locally, ensuring uninterrupted communication during network disruptions.
Comprehensive coverage with zero blind spots

Covers all underground work areas, roadways, and refuge chambers, eliminating signal dead zones to guarantee personnel can call for assistance and receive instructions at any time.

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Multi-system rapid interconnection

Integrated with gas and roof monitoring systems, automatically triggers broadcast alerts upon anomalies without manual intervention, initiating emergency procedures within seconds.
Precise dispatch command transmission

Surface dispatch consoles enable zone-specific command dissemination, preventing cross-area information interference and ensuring underground personnel receive and execute instructions accurately.

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Broadcast Intercom Dispatch Console SIP Intercom Gateway SIP Horn HS-8015S Streaming Media Server SIP Ceiling Speaker Waterproof Amplified Telephone

Remote operation and maintenance saves manpower

Remotely monitor terminal status, diagnose faults, and upgrade firmware without frequent well entry operations, reducing underground maintenance risks and costs.
Durable equipment minimises wear and tear

Equipment resists abrasion and withstands extreme temperatures, adapting to harsh underground environments to extend service life and reduce replacement frequency and expenditure.

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Broadcast Intercom Dispatch Console SIP Intercom Gateway SIP Horn HS-8015S Streaming Media Server SIP Ceiling Speaker Waterproof Amplified Telephone

Application scenarios

系统配置

Emergency Response to Excessive Methane Levels Underground

Gas overlimit triggers the system to broadcast automatic evacuation instructions, with the dispatch console simultaneously receiving alerts and coordinating rescue efforts to swiftly guide personnel underground out of hazardous areas.

Abnormal Roof Conditions in Underground Workings

When abnormal conditions occur in the roof of the working face, personnel shall use the explosion-proof terminal to initiate a one-touch emergency call. The dispatch console shall broadcast evacuation instructions to the relevant zone via the public address system to prevent the incident from escalating.

Communications Support for Refuge Chambers

During underground network outages, the refuge chamber terminal shall broadcast survival guidelines locally while persistently attempting to reconnect with the dispatch console to maintain emergency communications.

Underground personnel lost and seeking assistance

Should personnel become lost, they may call via the nearest terminal. The dispatch console will then broadcast route guidance based on the terminal's location, assisting them in returning to a secure area.

Underground Equipment Fault Reporting

In the event of equipment failure, inspection personnel shall contact dispatch via terminal and simultaneously broadcast warnings in the affected area, advising others to take alternative routes.

Daily Safety Bulletin

During morning briefings and inspection periods, the system broadcasts safety protocols and risk point alerts by zone to reinforce safety awareness among personnel underground.

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