MSHA

Underground Coal Mine Monitoring with Wireless Sensor Networks MO LI and YUNHAO LIU Hong Kong University of Science and Technology Environment monitoring in coal mines is an important application of wireless sensor networks (WSNs) that has commercial potential. We discuss the design of a Structure-Aware Self-Adaptive WSN system, SASA.

Optical fiber network sensor system for monitoring methane ...

This monitoring and alerting system is powered by Atmega328 microcontroller for master controller and 8051 micro controllers for slave controllers. 8051 micro controller consists of temperature sensor, water sensor, methane and carbon dioxide sensor and RF transmitter which collects temperature, humidity and methane values underground of coal mine.

The study on coal mine using the Bluetooth wireless ...

The remainder of the paper is organized as follows: in section "Underground Coal Mine ERCS," the general structure of the underground coal mine ERCS is proposed, and a backbone WMN is designed. In section "Design and implementation of the EMS," the environmental wireless monitoring terminals and its software for the EMS are developed.

Design and Implementation of Coal Mine Safety using IoT

First, the coal mine monitoring system software: Use E-XD++ component library visual graphics easily build any coal-based security monitoring software Geographic: By E-XD++ visualization component platform composite graphic design program, you can easily design coal mine safety monitoring software need any graphic element.

coal mines: Coal Minister plans to link mining plan portal ...

It introduces the principle of an optic-fiber sensor system for monitoring methane concentration in coal mine. It contains the structure block diagram of monitoring system, the system is mainly made up of diode laser for monitoring methane concentration, Y-shaped photo-coupler with coupled rate 50:50, optical switch 1×2, gas absorbent cell ...

schematic diagram of coal mine

The U.S. coal industry serves a vital role in the nation's economy by producing fuel for more than half of its electricity. Despite the industry's importance, industry financial data for 2005—the strongest year for the coal industry in recent years—shows that it is a relatively small industry with revenues totaling $20 billion to $25 billion and net income between $1 billion and $2 ...

Design Of Underground Coal Mine Monitoring System

schematic diagram of coal mine. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals. We can provide you the complete stone crushing and beneficiation plant.We also supply stand-alone ...

Wearable Real Time Health and Security Monitoring Scheme ...

IIoT PdM Solutions for Coal Preparation plant Alpha Ind. Tech. IoT-Based Monitoring & Warning System for Coal Preparation Plant. Powered by Alpha Industrial Technology Pty Ltd. General Introduction. This system is aimed at the wireless monitoring on vibration and temperature of key parts of the main equipment of the coal preparation plant.

New Integrated Monitoring and Control System

or longwall mining equipment to monitor methane levels. Machine-mounted methanometers are te­ sted and approved by the Mine Safety and Health Administration (MSHA), the regulatory agency for the US mining industry. These monitors alert face workers when methane levels reach 1 pct and remove power to the mining equipment when levels reach 2 pct.

schematic diagram of coal mine

Overview. In order to improve the management and supervision means of high-voltage power supply system, improve the quality of power supply, improve the utilization efficiency of power equipment, improve the safety level of production, prevent accidents caused by misoperation, and implement unattended or few people on duty of substation, Jinqiao Coal Mine decided to build power monitoring …

An Event Reporting and Monitoring in Underground Coal …

The system achieves multiple advantages for monitoring, controlling mine production, safety management along with low power consumption platform. Introduction A mine is considered to be a plant that produces useful mineral with a given percentage of ore and given quantity, whereas the cost of mining is expected to be minimum price.

NIOSH Research for Monitoring and Controlling Methane at …

2014 Coal Operators' Conference The University of Wollongong 12 –14 February 2014 371 2002) and in buildings and structures (Hurtig and Grobwig, 1998). The optical fibre technology has also been introduced in the mining industry for sensing strain (Naruse, et al., 2007), detecting mine gases such as methane (Li, et al., 2005 and 2006) and underground environment monitoring (Sen and Datta,

Monitoring and Safety System For Underground Coal Mines

monitoring, the development and use of the new disaster-proof gas comprehensive monitoring system are particularly important [1-4]. This paper will introduce the application of new disaster-prone gas integrated monitoring system in mine disaster prevention. 2. Presentation of new integrated monitoring and control system for disaster gas . 2.1.

Expert systems and coal quality in power generation

Jan 01, 2011· CONCLUSIONS A new mine safety monitoring system was developed; it compromises sensitive sensors and ZigBee WSN which is smart, low-cost, low-power and low-maintenance. This system can monitor the gas concentration, temperature and humidity and vibration sensitively, carry on the early warning to the potential hazard; reduce loss of life and ...

Coal Mine Safety Monitoring System Using ARM9

Coal mine combustion is major safety hazard, which is conventionally detected by monitoring characteristic gases such as CO, C2H4 and C2H2, using a tubing bundle gas sampling system and gas ...

Design Of Underground Coal Mine Monitoring System – IJERT

under the mine it will be monitor through the system. It can Design and Implementation of Coal Mine Safety ... Coal mine safety system block diagram ... The device is used with single power supplies, or with plus and minus supplies. As the LM35 device draws only 60 µA

Design Of Underground Coal Mine Monitoring System – IJERT

2)A coal mine system which replaces the traditional coal mine monitoring system which tend to be wired network system. 3)The underground system also collects temperature, humidity of coal mine through sensor nodes in mine. 4)To check the presence of methane gas inside the mine…

Study on PCPR Security System Construction in Coal Mine ...

occurs, our system alert the coal miner and overall controller of coal mine environment. The HC12 transceiver is used send and receive the monitored information. Hazardous condition information and frequently what happen in mine environment reporting employed for early warning to coal mines worker by the mobile node which is along with them.

Using Zigbee Integrated Alerting and Coal Mine Safety ...

Web server based wireless coal mine monitoring system proves to be very effective in monitoring the atmospheric conditions of underground places in coal mines. A step by step approach in designing the coal mine safety system for preventing hazardous gas or fire accidents will be identified

Underground Coal Mine Monitoring with Wireless Sensor …

The invention discloses a coal mine underground integrated monitoring and controlling system which mainly comprises a sensing and detection device, a security information network and communication device, a security information management device, a security early warning and decision support device and a rescue information assurance device.

Research on Coal Mine Safety Monitoring System Based on ...

monitoring of the coal production process in a mechanical coal preparation plant. 1.3. System for dispatch supervision and production control in a coal preparation plant The supervision system to monitoring and control mechanical coal preparation processes, as well as to prepare and deliver quality-classified power blends, encompasses the following

An emergency rescue communication system and environmental ...

This study proposes a novel power-efficient and anti-fading clustering based on a cross-layer that is specific to the time-varying fading characteristics of channels in the monitoring of coal mine faces with wireless sensor networks. The number of active sensor nodes and a sliding window are set up such that the optimal number of cluster heads (CHs) is selected in each round.

ZIGBEE BASED MINE SAFETY MONITORING SYSTEM WITH …

The existing monitoring systems underground of coal mine mostly use cable network. This kind of network has poor performance of expansion. The cables are easy to aging and wear, and have high incidence of failures. With the working surface expanded, a blind area for monitoring appears, and then the new cost for installation and maintenance is ...

A Power

Abstract: The safety of coal mine is an important link in coal mine production,gas disaster is the most harmful for the safety of coal mine production. During the process of mine development, it is very important to measure the gas concentration in mines. For the present of situation of gas concentration monitoring system, this paper proposes a Bluetooth-based coal mine gas concentration ...

Coal Mine Electric Power Monitoring System

Feb 21, 2018· 38. integrated coal mine safety monitoring system, 39. coal mine protection using zigbee, 40. Rescue and Protection in Underground Coal Mines Using, - ijirset, 41. sDEVELOPMENT OF COAL MINE SAFETY ...

Longwall Mining Overview | Introduction | underground COAL

The safety problems with coal mines have gradually became a serious concern for the society and nation. The occurrence of disasters in coal mines is mainly due to the harsh environment and variability of working conditions. So, it makes the implementation of mine monitoring systems essential for the security purpose.