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11840results about "Mining devices" patented technology

Coal and gas outburst hazard early warning system and early warning method

ActiveCN101550841APrevention of Outstanding DisastersReal-timeMining devicesDust removalForward lookingGeological structure
The invention relates to the field of coal mine safety technique, specifically to a down-hole coal and gas outburst hazard early warning system and early warning method. The coal and gas outburst synthesized early-warning system, uses the existing local area network to connect a synthesized early-warning data server, an early-warning data management system and the existing coal mine safety monitoring system; analyzes the coal and gas outburst early-warning data in the synthesized early-warning data server by an outburst early-warning module; and emits early-warning information based on the analyzed result. The inventive coal and gas outburst synthesized early warning system and early warning method can perform centralized management and comprehensive analysis of the geological structure, coal seam occurrence, gas occurrence, mining production, daily forecast indicators, outburst forecast, gas emission and other security information that originally scatter in various functional sections of coal mine on the geographical information system GIS platform, integrates the existing resources, improves the accuracy of early warning, so that the early warning is both real-time and forward-looking, and can effectively prevent the occurrence of coal and gas outburst in coal mine.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Construction tunnel safety protection method based on wireless sensor network and a monitoring system thereof

InactiveCN102042030AOvercome problemsChange the situation of "only monitoring but not monitoring"Mining devicesNetwork topologiesSecurity systemServer
The invention belongs to the field of construction safety monitoring and wireless communication and discloses a construction tunnel safety protection method based on a wireless sensor network and a monitoring system thereof. The method is as follows: by acquiring environment, work amount and locating data of personnel in a tunnel, realizing alarming services of six types of dangerous situations and corresponding safety protection means, calling a protection plan to take protection measures on key parts of the system when emergent (dangerous) events occur, and with the purpose of guaranteeing personal safety, releasing a control command. The system comprises a wireless sensor network based on industrial wireless communication standard WIA-PA, a positioning network and a mobile network. If the dangerous situation develops further, the system exchanges data with a remote mobile server by a 3G network, leads a community security system into the range of a construction tunnel safety protection system, and provides united rescue of communities and disaster control services. The invention is used for tunnel construction safety monitoring, and a computer or 3G mobile equipment can obtain construction site information at any time; and the installation of the WIA-PA wireless network is flexible, and the formed safety protection system and sensing early-warning network make contribution to solving the problem of tunnel safety construction fundamentally.
Owner:HUAZHONG UNIV OF SCI & TECH

System and method for predicting coal and gas outburst risk of mine in real time

ActiveCN101787897ASolving the problem of varying hazard criteriaImprove forecast accuracyMining devicesGas removalReal-time dataNatural disaster
The invention provides a system and a method for predicting the coal and gas outburst risk of a mine in real time, which relate to a system and a method for judging mine natural disaster of coal and gas outburst risk degree through combination of artificial intelligence and expert analysis. The system uses a microseismic signal for reflecting the ground stress intensity and the gas outburst quantity for reflecting the gas change as analysis parameters to be combined with the expert experience, and can improve the predicting accuracy of the coal and gas outburst risk to high than 90 percent. The system and the method are characterized in that the system mainly consists of a data collection module, a data transmission module, a real-time data tracking and analysis center and an integrated early warning module, wherein after the data collection module collects underground data, the data is transmitted to the real-time data tracking and analysis center through the data transmission modulefor calculation, analysis and reasoning, and the integrated early warning module gives the early warning when a reasoning result shows that the risk occurs. The invention is applicable to similar mines with the coal and gas outburst risk.
Owner:西安西科测控设备有限责任公司

Rock burst predicting and warning method

The invention relates to a rock burst predicting and warning method, which effectively and accurately predicts and warns the rock burst and ensures safety in coal production. The rock burst predicting and warning method comprises the following steps of: performing shock bump monitor on a whole coal field, determining the magnitude, and analyzing generation and motion law of the shock bump in the whole coal field; mounting a Poland micro-quake system on upward and downward roads and a main haulageway in the mining area to perform on-line continuous monitor; mounting a micro-quake system probe on a working surface, mounting a micro-quake monitor probe in an important anti-scour area of the working surface to perform overall arrangement, drilling a coal wall or a top plate, placing the probe in the hole bottom and the hole wall, perform electromagnetic radiation monitor on a tailentry and the main haulageway by using an electromagnetic radiometer to, arranging a monitor probe in the important anti-scour area to perform overall arrangement, monitoring the coal pressure, and inputting the monitored parameters into a computer to perform comprehensive analysis, so as to accurately predict the rock burst. Various items of monitor are integrated together, the predicting and warning accuracy is increased, and the rock burst predicting and warning method provides the technical support for eliminating the rock burst condition and reducing the loss due to rock burst.
Owner:HENAN DAYOU ENERGY

Comprehensive geological prediction method for karst tunnel construction

The invention discloses a comprehensive geological prediction method for karst tunnel construction, which includes the following steps: (1) long-distance detection; (2) geological radar detection: on the basis of the long-distance detection, adopting a geological radar to review a long-distance prediction result within a short-distance detection range; (3) adopting a horizontal protruded drill hole to carry out direct detection according to a review result; and (4) supplementary protruded blasthole detection: when a direct detection result is that a geologically abnormal body exists in the current tunneling construction area, a protruded blasthole needs to be adopted to carry out supplementary detection, and a supplementary detection result is used as supplementary detection data for the direct horizontal protruded drill hole detection result. The design of the comprehensive geological prediction method is rational, the comprehensive geological prediction method is easy and convenient to operate, and is highly operable, moreover, the mutual relation among a variety of chosen prediction methods is clear, the comprehensive detection effect is good, and the invention provides a systematic, rational and standard comprehensive prediction method for karst tunnel construction.
Owner:NO 1 ENG LIMITED OF CR20G

Intelligent full automatic combine coal mining system

The invention relates to an intelligent type full-automatic combined coal mining system, which comprises a coal mining and loading device, a conveying device, a supporting device, and an equipment train, and is mounted in the working face and crossheading in the coal mine well. The coal mining and loading device is mounted on the conveying device, the coal conveying port of the conveying device is conveyed to the outside of the well or the coal bunker through a belt type conveyor in the crossheading, the supporting device is arranged behind the conveying device for supporting the top plate of the coal seam and linking with the conveying device, the equipment train comprises a central control chamber of a central control equipment, a starter, a power device, and a lifesaving cabin, the central control equipment monitors and controls the coordination operation of the devices, the equipment train, and the power device of the equipment train, the power device provide power source for the devices and the equipment train, and the equipment train moves freely in the crossheading with the feeding of the working faces. The invention improves system complete ability and execution efficiency, and has strong function, high intelligent degree, high safety, high production efficiency, and the like.
Owner:SANY HEAVY EQUIP

Coal mine safety integrated monitoring system based on Internet of Things

A coal mine safety integrated monitoring system based on the Internet of Things comprises an environment information system, an equipment information system, a mobile target tracking and positioning system, a voice communication system, a video monitoring system, a traffic dispatching system, a safety supervision information system, a working plane information management system, a yield monitoring system, a dynamic meter management system, a safety prewarning and decision supporting system and a rescue information assurance system. Nodes of the Internet of Things are installed to a coal mine tunnel, relevant equipment and workers, the nodes of the Internet of Things are connected with relevant sensors and actuating equipment, and objects, needing to be monitored, of an underground coal mine are connected with the Internet according to a unified agreement, so that the coal mine safety integrated monitoring system based on the Internet of Things is formed. The data information of the underground environment and equipment can be collected by every worker and underground equipment through the sensors carried with the workers and the underground equipment; besides, the state information of the workers and the underground equipment can be collected, so that intelligent recognition, positioning, tracking, monitoring and management are achieved.
Owner:HUAYANG COMM TECH CO LTD

Mine searching multi- robot system based on wireless sensor network

Based on the mine searching and detecting multiple robots of wireless sensor networks, the invention relates to the searching and detecting field for mines and underground accident site, which overcomes the problem that the existing technology can not transmit the site environment information and personnel information rapidly. The invention consists of the following devices: a multiple-joint robot which is provided with a long and thin structure in a snake shape, adopts the tract type walking mode, and is provided with a boarded bin that can carry a plurality of small investigation robots; a plurality of sensors carried by the robot which can confirm the location of the miners in danger and can detect the kinds, content, and environment temperature of harmful gases; small investigation robots, which realize the multiple-points information collection and long-distance communication through being released along the way; a remote operation and control terminal, which is arranged on the ground, forms a wireless sensor network with the multiple-joint detection robot and the small investigation robots, and builds the communication link between the operator and the robots; the rescuing personnel can operate each part of the robot in a remote end on a real-time basis and can obtain the site environment information and the information of the personnel in danger.
Owner:HARBIN INST OF TECH

Coal mine underground safety comprehensive monitoring system based on fiber grating sensors

A coal mine underground safety comprehensive monitoring system based on fiber grating sensors and belongs to a coal mine underground safety monitoring system. The system comprises an aboveground part and an underground part; the aboveground part comprises a static fiber grating demodulator, a computer data processing system, a printer, a server and a client; the underground part comprises an optical switch array, a working face safety monitoring subsystem and a laneway safety monitoring subsystem; each of the two monitoring subsystems at least comprises a monitoring base station; each monitoring base station at least comprises a survey station; each survey station is corresponding to one group of fiber grating sensors; the advantage is that the system adopts multiple survey stations to perform underground multi-parameter monitoring, integrates the fiber grating sensors, adopts all-optical survey and optical fibers for signal transmission, is intrinsically safe, has high anti-electromagnetic interference capability and a good monitoring effect, realizes real-time continuous long-term on-line monitoring and the sharing of data in an entire mining area to better guide the safety production of a coal mine, can effectively reduce safety accidents of the coal mine and realizes safe and efficient production of the coal mine.
Owner:CHINA UNIV OF MINING & TECH
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