Leaky feeder communication systems and cables in mines offer more stable and effective communication than wired phones.
Carroll Technologies combines a number of technologies in its leaker feeder cable systems, a wireless communication network that can be integrated with tracking and monitoring devices to provide a complete solution to keep operations connected.
Discover more below about the supply and installation of leaky feeder systems Carroll Technologies can offer.
Leaky Feeder Communications in Mines: Latest Innovations
Here at Carroll Technologies we combine the latest innovations with best in class customer service to give you a complete safety solution.
Effective Communication Systems
Leaky feeder cable and communication systems provide effective and secure communication for underground and above-ground operations, incorporating a cable that is stretched throughout the mine, and acts as an antenna for a number of devices to receive and transmit a signal.
As Carroll Engineering president Allen Haywood explained:
“If you have line of sight with that antenna, or are in reasonable distance, you can talk to that cable rather than talking to another radio.”
This effectively extends the range of communication devices, as the cable serves as a wireless connecting point between two devices that are trying to communicate; a worker ten miles underground could speak to a colleague ten miles above ground using the antenna between them to connect the signal.
This system replaces the older ‘pager-phone’ model of underground communication, where mines would have to go to pagers, functionally telephones hard-wired to the surface, to speak to their colleagues, either above or below ground.
Not only did this system limit locations of communications than the leaky feeder system, new pagers would have to be individually installed as mines grew creating an inherently inefficient system, as all lines of communication would have to go through a single point above ground, regardless of the location of the workers attempting to communicate.
The PBE 112 mine phone, for instance, is a traditional pager-type system that can be integrated into leaky feeder systems to improve productivity and serve as emergency lines of communication in the wake of accidents.
Radios distributed by Carroll are also part of PBE’s fourth generation of leaky feeder technology which incorporates systems such as proximity alerts, gas monitoring and both text and voice communication.
Atmospheric Monitoring Tools
This communication system can form the basis for a number of other tracking and monitoring systems, creating a complete service that can enable communication for a range of functions across an operation.
Haywood has previously used the example of a medically-trained worker who is needed to respond to an injury; they can be contacted through the leaky feeder system, and then directed to the accident by a colleague above ground who can see both their position, and that of the injured worker, on a screen as both are wearing tracking tags.
Similarly, the system can be integrated with atmospheric monitoring devices, enabling workers to locate hazardous gases, and quickly inform personnel to leave dangerous areas, all using the same system.
Carroll sells and services more than 20,000 products from over 80 distributors, many of which can be integrated with the leaky feeder system, enabling this base communication network to be customized and adapted for individual operations, and tailored to the needs of specific miners.
Furthermore, data recording systems can be integrated with the leaker feeder system, enabling companies to analyze the events leading up to and during accidents, to ensure similar incidents do not happen in the future.
“One of the things they use that data for, that they want to look at and serve operations, is air flow,” said Allen Haywood. “And that’s recorded, in case they want to go back and look and see what that air flow is, they can go back and look at the history of that.”
The MSA 5x gas detector is a particularly powerful piece of air monitoring equipment, able to measure carbon dioxide, hydrogen sulphide and nitrous dioxide in a single device.
It comes with five sensors, each of which can be customized to detect specific gases, and alarm when particular concentrations of the gases are detected, making the device highly versatile.
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