2010 Vol. 36, No. 2

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Cover Catalogue
Design of Management System of Prediction to Coal and Gas Outburst Based on SuperMap
DU feng~, SU Heng-yu~, LI Chun-hui~
2010, 36(2): 4-7.
<Abstract>(52) <PDF>(5)
Abstract:
The paper introduced characteristics of SuperMap geographical information software,put forward a design scheme of management system of prediction to coal and gas outburst based on(SuperMap,) and expounded design of function modules and development process of the system.The system(applies)(information) technology of GIS in management of prediction to coal and gas outburst and adopts component SuperMap software as a development platform,which initiates a new way of(predicting) coal and gas outburst.The system not only improves accuracy and reliability of prediction to coal and gas outburst,but(also) achieves dynamic management of prediction to coal and gas outburst. The system also can provide(prevention) measures and emergency plans for accidents of coal and gas outburst.
Portable Methane Annunciator Based on Infrared Optics Principle
REN Xiao-li~(, 2), LIANG Ting~, TAN Qiu-lin~(
2010, 36(2): 7-10.
<Abstract>(61) <PDF>(7)
Abstract:
The paper put forward a design scheme of portable methane annunciator based on infrared optics（principle） and introduced design of hardware circuit and software, structure of optics gas chamber and outline design of the instrument and calibration technology in details.The annunciator realizes real-time detection of CH4 by use of infrared source,integrated pyroelectric detector with high-precision interference filters,single-beam dual-wave length technology and gas chamber with gold-plated membrane,which has some advantages such as not-easy ageing,rapid response,high sensitivity,stabilization and strong anti-jamming capability.
Development of Portable Calibrator of Temperature and Humidity of Environmental Test Box
ZHAO Pu-jun~, YANG Xiu-jie~, LIU Ming-cheng~
2010, 36(2): 10-13.
<Abstract>(54) <PDF>(4)
Abstract:
According to the existing situation that calibration method of temperature and humidity of environmental test box is complex and inconvenient,a portable and intelligent calibrator was developed,and composition and detection principle of the calibrator were introduced.The calibrator uses collection function of analog signals integrated by microprocessor ADuC834,which makes the hardware circuit simplest.Through calculation of ADuC834 internal software, temperature and humidity values can be directly read,and the data are transmitted to a computer so as to facilitate the work of calibration.The results of test for the calibrator showed that the temperature measurement error is less than ±0.1 ℃ and humidity measurement error is less than ±3%RH,which achieves actual needs and enhances working efficiency.
Design of Safety Monitoring System for Shaft Construction of Coal Mine and Its Applicatio
WANG Xiao-jian~, CAI Hai-bin~
2010, 36(2): 14-16.
<Abstract>(58) <PDF>(4)
Abstract:
According to characteristics of construction and production of coal mine shaft,the paper put forward a design scheme of safety monitoring system for shaft construction of coal mine.It introduced structure composition,basic function(design) as well as application in some coal mine shaft of the system in details.The system is on the basis of coal mine intranet and integrates technologies of automation,information,computer,network and communication,so it can monitor safety state of shafts, collect safety parameters,ensure safety of shafts,and realizes information exchange between departments of coal mine.
Research of Intelligent Rehabilitation Instrument of Positive and Negative Pulsed Cap Lamp
LUO Shu-ke, ZHANG Yuan-min, BAI Zheng-mi
2010, 36(2): 17-20.
<Abstract>(61) <PDF>(4)
Abstract:
Development of On-vehicle Wireless Power-off Control Device for Methane
WANG Yu, ZHUO Jing-li, LI Tao, SUN Shi-ling, ZHANG Yuan-zheng
2010, 36(2): 20-23.
<Abstract>(49) <PDF>(10)
Abstract:
The paper introduced system composition and design of hardware circuit and software of an on-vehicle power-off control device for methane based on technologies of infrared detection and wireless communication.The device can realize on-line monitoring and control of gas concentration nearby coal plough,send gas concentration signals and power-off signals to substation by wireless communication and eventually transfer the data to existing monitoring and control system of coal mine,which solves problems of on-line monitoring and control and data transmission of gas nearby coal plough in working face of coal mine.
Design of Fiber-optic Repeater System in Mine Based on DSP
LI Wei~, ZHAO Cheng-bin~, SONG E-nuo~, QI Xiang-qian~
2010, 36(2): 24-27.
<Abstract>(57) <PDF>(4)
Abstract:
According to features of coal mine such as narrow tunnel,more turning points and more branches,a design scheme of fiber-optic repeater system in mine based on DSP was proposed for the questions such as poor quality of mobile calls and low reliability of mobile communication system in underground environment.Designs of automatic monitoring and control unit based on DSP and FIR digital filter and application of voice activation technology in repeater system were introduced in details.The fiber-optic repeater system solves the difficulty of mobile communications in wide range in mine and uses DSP to monitor the system automatically to make the system stable.The application of digital filter and voice activation technology makes the underground communication system more stable in performance,better in voice quality and stronger in anti-interference.The system establishes a basis for best working of mobile communications in mine.
Design of Mine-used 127V Integrated Protection System Based on C8051F020
LIU Jie, ZHENG Li-jun, GAO Yun-guang, SONG Jian-cheng
2010, 36(2): 28-31.
<Abstract>(47) <PDF>(4)
Abstract:
In view of the problem that traditional mine-used 127 V integrated protection systems have shortcomings of short protection distance,poor stability and inaccurate display,a digital mine-used 127 V integrated protection system based on C8051F020 was designed on the basis of analyzing protection and self-checking functions which the system should have.The system’s design of hardware circuit and software were introduced in details.The system can realize integrated protection and control functions for three circuits,meet demand of long distance protection,and reduce probability of safety accidents caused by system fault because of self-checking function.The experiment result showed that the system has full functions and low cost,and can meet needs of a modern coal mine.
Design of Remote Data Collection System of Main Ventilator Based on CDMA 1X Network
ZHANG Meng
2010, 36(2): 32-35.
<Abstract>(44) <PDF>(6)
Abstract:
In view of problems of existing data collection system of main ventilator,the paper put forward a design scheme of remote data collection system of main ventilator based on CDMA 1X network.It introduced structure and composition of the system,the design and implementation of data collection,data transmission and the control-center in details.The system takes PLC as core and realizes real-time monitoring of ventilator with processes that data collection system collects data of temperature,air volume,air pressure and others, CDMA DTU and CDMA 1X transmit the data to control-center,and the data is displayed on the control-center.Actual applications showed that the system can monitor real-time information of ventilator rapidly and ensure ventilator safety.
Design of 1-wire Bus Temperature Measurement System Based on DSP
WANG Jun-qi
2010, 36(2): 35-38.
<Abstract>(54) <PDF>(6)
Abstract:
The paper introduced characteristics and working principle of a 1-wire bus digital temperature sensor DS18B20,discussed communication scheduling of 1-wire bus protocol in details.In the basis of the(discussion,) it also put forward a design scheme of temperature measurement system based on DSP processor TMS320F2812 and DS18B20,and gave implementation methods of software and hardware of the system.The temperature measurement system can measure 8-channel temperature at the same time.When the temperature is overrun,the system can alarm in time.The practical application showed that the system works with stability and reliability,and has (certain) practicability and value of popularization.
Design of LIquid Crystal GPS Localizer Based on AT89C52 Single-chip Microcomputer
HAN Xiao-xin, XING Shao-bang, SHEN Li
2010, 36(2): 38-40.
<Abstract>(56) <PDF>(2)
Abstract:
Application of Genetic Neural Network in Coal Quality Analysis with Near-infrared Spectroscopy
LEI Meng~, LI Ming~, XU Zhi-bin~
2010, 36(2): 41-44.
<Abstract>(51) <PDF>(3)
Abstract:
In view of the shortcomings of BP neural network,such as slow convergence,easily falling into local optimums,the paper put forward a method of establishment of model of coal quality analysis with near-infrared spectroscopy based on GA-BP neural network and characteristics of global searching method of neural network.The principal component analysis(PCA) was used to get principal component values and to compress data.The results of traditional BP neural network model and GA-BP model were compared,and the result showed that the GA-BP neural network model could not only reduce error sum squares between the predictive value and truth value,but also improve the correlation coefficient,which improves precision of prediction and speed of analysis effectively.
Fault Diagnosis of Elevator Brake Based on LS-SVM
HE Wu-ming~, WANG Pei-liang~, SHEN Wan-chang~
2010, 36(2): 44-48.
<Abstract>(80) <PDF>(3)
Abstract:
According to fault features of elevator brake,the paper put forward a fault diagnosis method of elevator brake based on LS-SVM.The method can detect signal of brake clearance of elevator brake in brake process and extract feature vectors of fault signal by use of wavelet packet analysis,and then realize faults diagnosis of elevator brake with(LS-SVM.) The experiment results showed that the method can diagnose fault of braking system incorrectly and avoid fault effectively.
Application Research of Computation of Power Flow for Coal Mine Power SUpply SYstem Based on PowerWorld
HE Fei, FAN Peng, WANG Yu-feng
2010, 36(2): 49-52.
<Abstract>(48) <PDF>(3)
Abstract:
Research of Problem of Spectrum Leakage in Harmonics Detectio
LIN Qing-song, CHEN Qing-hua
2010, 36(2): 53-56.
<Abstract>(36) <PDF>(3)
Abstract:
The paper investigated the problem of spectrum leakage in harmonics detection of power system based on FFT,analyzed the causation of spectrum leakage and put forward a solution method of spectrum leakage with window functions.The simulation result showed that Hann windows can reduce spectrum leakage commendably and satisfy accuracy of harmonic detection.
Research of Top Coal Caving and Drawing Characteristics of Thick Seam Based on Discrete Element
ZHANG Fei, WANG Ye, FAN Wen-sheng
2010, 36(2): 56-58.
<Abstract>(23) <PDF>(2)
Abstract:
The influence factor of crack of inclined thick seam and top coal caving and drawing characteristics were analyzed in the paper.On the practice basis of fully mechanized sublevel caving of hard and thick coal,a discrete element software was used to do simulation test and influence of crack in process of mining coal on the top-coal caving and the development process of the fracture were analyzed,which could be used to determine the top coal caving characteristics.The result of the simulation experiment showed that the size of crack distribution and developed shape are the most important influence factors on top coal caving and drawing characteristics,and the more cracks,the greater the length,the smaller of the spacing,the more developed stratification,the better the top coal caving and drawing characteristics.Fully mechanized coal production should be evaluated according to the topcoal caving property in some extent.
Experimental Research of Electrical Fast Transient/Burst of Electric Meter with Load
ZHANG Wei, HAN Su-min, XIE Dong-lei, KANG Run-sheng
2010, 36(2): 59-61.
<Abstract>(27) <PDF>(3)
Abstract:
The interference mechanism of electrical fast transient/burst(EFT/B) was analyzed.Taking an electric meter with load as research object,sensitive frequency rang of the electric meter with load under conditions of interference was obtained through experimental research of influence of electrical fast transient/burst on input of power supply in different voltage levels,different polarities and different interference frequencies.Finally notices of experimental operation were summarized.The conclusions have a certain reference value to design of electric meter and its anti-interference measures.
Application of Additional DC Power SUpply Detection Method in Leakage Protectio
WANG De-sheng
2010, 36(2): 62-64.
<Abstract>(58) <PDF>(5)
Abstract:
Design of Pressure Segment Control System of Solid Materials Transportation Pipeline of Long-distance and High-lift
PU Guang-yue, AN Jian, WANG Jian, BA Hai-bo
2010, 36(2): 65-67.
<Abstract>(34) <PDF>(3)
Abstract:
In view of problems of switch-stopping of multi-stage pump stations and serious wear and tear of pipeline in running of transportation pipeline of Dahongshan iron concentrate caused by long transportation pipeline,multiple large U-ups and downs,high-lift,large transportation pressure,a technology scheme of pressure segment control was put forward,namely using energy consumption plate to realize undisturbed switching-over of multi-stage pump stations and solve problem of stopping fault because of pressure,and using energy consumption plates to solve accelerated flow caused by large U-ups and downs,high-lift and large pressure and reduce wear and tear of pipeline wall caused by accelerated flow.The practical application of the pressure segment control technology(validated) its effectiveness.The lastest check of scientific and technical literature showed that the technology is innovative design.
Design of Underground Personnel Position System Based on ZigBee and GIS
LI Wei, CUI Jian-ming
2010, 36(2): 67-69.
<Abstract>(49) <PDF>(7)
Abstract:
Design of MIS for Non-coal Mines Based on USB-Key
SONG Yun-bo, FAN Jian-hua
2010, 36(2): 70-74.
<Abstract>(42) <PDF>(3)
Abstract:
On the basis of analyzing shortcomings of traditional management model of non-coal mines,the paper put forword a design scheme of MIS for non-coal mines based on USB-Key and introduced its function modules,platform,DC role and distribution of competences,etc.Based on technologies of authentication,electronic signature and electronic seal of USB-Key,the system effectively preventes security problems such as data tampering,confidence disclosure,identity theft,rights abuse and operation denying,resolves shortcomings of low efficiency,lack of supervision and supervision lag of traditional management models,and realizes functions of real-time intercommunication between administration departments and enterprises,on-line business and scientific and dynamic supervision.
Application of Wireless Sensor Network in Monitoring of Coal Spontaneous Combustion in Underground
HU Jiang-pu, WANG Ping
2010, 36(2): 74-76.
<Abstract>(53) <PDF>(3)
Abstract:
Measurement of Effective Degassing Radius of Advancing Hole for Gas Drainage
XIN Hai-hui~, CAO Xin-qi~, LI Wen-guang~, ZHAI Cheng~, LIN Bai-quan~
2010, 36(2): 77-79.
<Abstract>(32) <PDF>(3)
Abstract:
The paper introduced outburst preventing mechanism of advancing hole in coal seam,compared and analyzed three kinds of measurement methods of effective degassing radius of advancing hole for gas drainage,and selected method of drilling cuttings weight and gas desorption index of drilling cuttings for practice.The results of field application showed using the method of drilling cuttings weight and gas desorption index of drilling cuttings to measure effective degassing radius of advancing hole is simple and reliable.
Design Scheme of Integrated Interface of Mine Industrial Measuring and Control System
CHEN Ye, YUAN Xiao-ping, CANG Xiao-ji
2010, 36(2): 80-83.
<Abstract>(27) <PDF>(4)
Abstract:
Design of Automatic Control System of Loading Station in Coal Mine Based on SIMATIC
MA Yong-hua
2010, 36(2): 84-86.
<Abstract>(43) <PDF>(6)
Abstract:
Design of Monitoring System of Underground Toxic Gas Based on Technology of Power-line Carrier Transmissio
ZHANG Heng, HE Xiu-ling
2010, 36(2): 87-89.
<Abstract>(54) <PDF>(4)
Abstract:
Design of Water-coal Powder Mixer System Based on Double-PI Control
CHEN Jie, ZHANG Kai-ming
2010, 36(2): 89-91.
<Abstract>(41) <PDF>(2)
Abstract:
In view of the instability of product quality in traditional water-coal powder mixer system,a set of water-coal powder mixer system based on double-PI control was designed.The system’s working principle,hardware components and program design were introduced.The system takes OMRON C200HE PLC as core and uses analog unit AD003,DA003 and external elements to constitute adjustment circuits of quantities of coal powder and water,which realizes follower control of water-coal powder mixer system by two PID commanders.
Design of Control System of Emulsion Pump Station Based on CAN Bus
TIAN Ke-jun, JIA You-sheng, WU Peng, ZHANG Bo
2010, 36(2): 92-94.
<Abstract>(40) <PDF>(4)
Abstract:
Implementation of Profibus Communication of Frequency-conversion Speed-regulation System for Mine Hoise
FAN Bin, FAN Yan-hong, SHEN Guang-hui
2010, 36(2): 95-97.
<Abstract>(73) <PDF>(4)
Abstract:
Automation Reform of Monitoring and COntrol System for Preparation Plant
LIU Cun-xi, XU Zhong-wei, GEN Yong
2010, 36(2): 97-99.
<Abstract>(65) <PDF>(6)
Abstract:
Application of Frequency-conversion Technology in Energy-saved Reform of Main Ventilator of Coal Mine
SUN Min, REN Ji-hai, DONG Cui-xia
2010, 36(2): 100-102.
<Abstract>(51) <PDF>(3)
Abstract:
Design of a New Type of Intelligent Controller for Low-voltage Breaker Based on DeviceNet Protocol
XI Cun-gen, JIANG Wei-liang, WANG Da-hua
2010, 36(2): 102-107.
<Abstract>(91) <PDF>(3)
Abstract:
In view of situation that existing controller and networking communication of low-voltage breaker adopt user-defined protocol,which has shortcomings of poor reliability and exchangeability in communication,the paper introduced a design scheme of a new type of intelligent controller for low-voltage breaker based on DeviceNet protocol and introduced its design of hardware and software in details.The controller not only has functions of a general controller,but also has DeviceNet fieldbus interface,which can communicate with computers in control center expediently.The experiment result showed that the controller has advantages of reliable running and convenient operation.
Method of Accessing KJ95N Safety Monitoring System in GEPON Mine Wide Integrated Automation System
WANG Hui-gong, LU Zheng
2010, 36(2): 107-109.
<Abstract>(52) <PDF>(3)
Abstract:
Electrical Optimization of Fan-shaped Door of Quantitative Loading Bucket of Mine Main Shaft
CHEN Yong-sheng, DING Li
2010, 36(2): 109-110.
<Abstract>(73) <PDF>(6)
Abstract:
Design of Safety Production Integrated Automation System of Coal Mine and Its Implementatio
ZHAO Ya
2010, 36(2): 111-114.
<Abstract>(55) <PDF>(3)
Abstract:
Fault Analysis and elimination of JKMD-3.5×4(Ⅲ) Electrical Control Device of Winch
YANG Bo, RUAN Fei-fei
2010, 36(2): 114-116.
<Abstract>(62) <PDF>(3)
Abstract:
Scheme of Using Three-dimensional Technology to Build and Optimize Plate Design and Processing System
XU Ming, KONG De-gang
2010, 36(2): 117-118.
<Abstract>(47) <PDF>(3)
Abstract:
Design of Communication of Corrosion On-line Monitor Based on Modbus Protocol
CAI Xiao-liang~, LUO Yi-min~, SUN Feng~, TANG Xin-guang~
2010, 36(2): 119-122.
<Abstract>(58) <PDF>(3)
Abstract:
The paper introduced methods of using Modbus protocol to implement communication between corrosion on-line monitor and configuration softwares such as King View and WinCC,and using PSTN to transmit remote data of the corrosion on-line monitor.The communication method has applied in monitoring of corrosion parameters of industrial circulating water,which has high reliability of data transmission,strong real-time,and certain popularization and application value.
Basic Methods of Frequency-conversion Speed-regulatio
CHEN He-qua
2010, 36(2): 122-125.
<Abstract>(77) <PDF>(3)
Abstract:
Basic Methods of Frequency-conversion Speed-regulatio
CHEN He-qua
2010, 36(2): 126-128.
<Abstract>(36) <PDF>(4)
Abstract:
Design of Control System of On-line Optimization for Heat Treating Furnace of Radiant Tube Roller-hearth Mode Based on Mathematical Model
SU Fu-yong~, WEN Zhi~, CHENG Shu-ming~, FENG Xiao-hong~, DONG Bin~
2010, 36(2): 128-132.
<Abstract>(41) <PDF>(3)
Abstract:
The paper took heat treating furnace of radiant tube roller-hearth mode of a company as a research object,analyzed its heat-transfer characteristics completely,and realized computer optimization control of heat treating furnace of radiant tube roller-hearth mode based on mathematics model of the heat treating furnace.The control system of on-line optimization for heat treating furnace of radiant tube roller-hearth mode can realize functions such as real-time movement tracking of billet in furnace,dynamic temperature calculating of billet,optimization and setting of optimum temperature and its on-line feedback and modification,on-line and real-time modification of billet output from furnace,network communication between upper and low computer,database management during practical production and so on.Form the statistical analysis of practical running data in production,it can be gotten that the system has stable running performance and high calculation precision,and the biggest relative error is lower than 2% between calculating results of the mathematics model and practical testing results,which shows that the system can meet quality requirement of heat treating of billet completely.

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