带式输送机胶带纵向撕裂监测系统的研究
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摘要
针对现有诸多类型带式输送机胶带纵向撕裂监测保护装置抗干扰性较差、可靠性尚待进一步提高的现状,深入研究了传感器的电磁感应原理和监测保护装置的可靠性及抗干扰性问题,对整个监测保护装置的软硬件进行了研究设计,研制出一种新型电磁感应式胶带纵向撕裂监测系统。通过对胶带的运行状态进行不间断地实时监测,监测系统能够在胶带发生纵向撕裂事故时,及时地使输送机停机并发出报警信号,从而大大减少事故的损失。通过对传感器进行优化设计、将信号的频率和幅值作为检测对象,设置感应线圈位置检测器和采用地址表管理系统等措施,提高了系统的可靠性; 通过提出的电位平移去噪,容差比较和预埋感应线圈判定条件等抗干扰措施,提高了系统的抗干扰性; 开发了基于AT89S52单片机的实时智能监测软件系统,设计了友好的人机交互界面以及与上位机的通信接口,具有较强的实用性。从样机实验中得到的实验结果证明了方案的可行性。
In allusion to the status of poor anti-jamming and dependability which need to be improved of many different existing protection devices for longitudinal rip of belt of the belt conveyor, the electromagnetic induction theory of sensor and some problems of protection device’s anti-jamming and dependability were lucubrated, then all of hardware and software of the protection device were designed, and a new electromagnetic induction type monitoring system for longitudinal rip of rubber belt was developed. By incessantly monitoring the working state of conveyer belt, the monitoring system will stop conveyer immediately and give out an alarm when the longitudinal rip happens, thereby losing caused by the accident can be reduced. Many measures, such as sensor’s optimization design, choosing the signal’s frequency and magnitude as detection target, mounting sensor loops position detector and adopting address table manage system, are developed to improve the system’s dependability. Many anti-jamming measures, such as electric potential displacing jamming eliminating, error range permit comparing and the judgement of induction loops, are proposed to improve the system’s anti-jamming ability. An intelligent real-time monitoring software system based on the microcontroller AT89S52 is developed. A friendly man-machine interaction interface and the communication interface with computer are designed. All these make the system more practicable. The feasibility of the scheme proposed was proved by the result got from the prototype model experiments.
In allusion to the status of poor anti-jamming and dependability which need to be improved of many different existing protection devices for longitudinal rip of belt of the belt conveyor, the electromagnetic induction theory of sensor and some problems of protection device’s anti-jamming and dependability were lucubrated, then all of hardware and software of the protection device were designed, and a new electromagnetic induction type monitoring system for longitudinal rip of rubber belt was developed. By incessantly monitoring the working state of conveyer belt, the monitoring system will stop conveyer immediately and give out an alarm when the longitudinal rip happens, thereby losing caused by the accident can be reduced. Many measures, such as sensor’s optimization design, choosing the signal’s frequency and magnitude as detection target, mounting sensor loops position detector and adopting address table manage system, are developed to improve the system’s dependability. Many anti-jamming measures, such as electric potential displacing jamming eliminating, error range permit comparing and the judgement of induction loops, are proposed to improve the system’s anti-jamming ability. An intelligent real-time monitoring software system based on the microcontroller AT89S52 is developed. A friendly man-machine interaction interface and the communication interface with computer are designed. All these make the system more practicable. The feasibility of the scheme proposed was proved by the result got from the prototype model experiments.
引文
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[2] 王伟勤,叶宗文,张全胜等.预埋线圈式防撕裂钢丝绳胶带的研制[J].橡胶工业,1994,41(7):408-410.
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[4] 何荣荣.胶带纵向撕裂故障诊断处理装置[J].橡胶工业,1998,45(9):560-563.
[5] 陈戈怡.胶带纵向防撕裂装置的改造[J].港口装卸,1999,123(3):30-32.
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[12] 胡成,李恩,黄民等.钢绳芯带式输送机实时工况监测与故障诊断系统[J].煤炭科学技术,2003,31(10):4-7.
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[24] LM331 Precision Voltage-to-Frequency Converter [DB/OL]. National Semiconductor Corporation, 1999.
[25] ADC0809 8-Bit μP Compatible A/D Converters with 8-Channel Multiplexer[DB/OL]. National Semiconductor Corporation, 1999.
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[27] UGN3120 Hall-effect switch[DB/OL]. Allegro MicroSystems,Inc,1993.
[28] AT89S52 8-bit Microcontroler with 8K Bytes Flash[DB/OL]. Atmel Corporation,2005.
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[30] HM62256 32kB High Speed CMOS Static RAM[DB/OL]. Hitachi Corporation,1995.
[31] AT24C08 2-wire Serial EEPROM [DB/OL]. Atmel Corporation,2002.
[32] 12864 系列图形点阵液晶显示模块使用说明书[DB/OL].金鹏电子有限公司,2004.
[33] 何希才,姜余祥.新型稳压电源及其应用[M].北京:国防工业出版社,2002.
[34] 李大友.微型计算机接口技术[M].北京:清华大学出版社,1998.
[35] 梁庚煌.运输机械手册[M].北京:化学工业出版社,1983.
[36] 王幸之等.单片机应用系统抗干扰技术[M].北京:北京航空航天大学出版社,1999.
[37] 何立民.I2C 总线应用系统设计[M]. 北京:北京航空航天大学出版社,1995.
[38] Mark Nelson.串行通信开发指南[M].北京:中国水利水电出版社,2001.
[2] 王伟勤,叶宗文,张全胜等.预埋线圈式防撕裂钢丝绳胶带的研制[J].橡胶工业,1994,41(7):408-410.
[3] 刘英林.胶带纵向撕裂的检测与监视[J].山西矿业学院学报, 1995,13(2):150-153.
[4] 何荣荣.胶带纵向撕裂故障诊断处理装置[J].橡胶工业,1998,45(9):560-563.
[5] 陈戈怡.胶带纵向防撕裂装置的改造[J].港口装卸,1999,123(3):30-32.
[6] 张启明,张培友,贾欣翠.带式输送机保护装置的技术现状[J].煤矿机械,1999,(8):5-7.
[7] 吴瑞清.胶带输送机的国内外发展趋势[J].煤炭技术,2000,19(6):4-6.
[8] 徐伟,赵曰永,张中法等.钢丝绳胶带的全过程防撕裂检测控制系统[J].橡胶工业, 2001,48(9):556-559.
[9] 黄民,李恩,魏任之等.钢绳芯胶带纵向撕裂监测方法研究[J].中国矿业大学学报,2002,31(1):49-52.
[10] 王玉成,宋红梅,袁广忠等.胶带纵向撕裂原因分析及解决方案[J].露天采煤技术,2002,(4):37,39.
[11] 胡建军,田永彪,王兆军等.防胶带纵向撕裂保护装置的研究和应用[J].矿山机械, 2003,(2):27-28.
[12] 胡成,李恩,黄民等.钢绳芯带式输送机实时工况监测与故障诊断系统[J].煤炭科学技术,2003,31(10):4-7.
[13] 张玉华,范辉,邬显义.橡胶胶带纵向撕裂试验机的设计要点[J].试验枝术与试验机,1993,33(4):8-13.
[14] RAO S. , DANIEL I.M. , MCFARLANE D. . Fatigue and Fracture Behavior of a Steel Cord/Rubber Composite[J]. Journal of Thermoplastic Composite Materials, 2001,14(3): 213-224.
[15] Laurent Giraud,Serge Masse,Luc Schreiber. Belt Conveyor Safety[J]. Professional Safety, 2004,(11):20-27.
[16] (德) Klaus Finkenzeller.射频识别(RFID)技术-无线电感应的应答器和非接触IC卡的原理与应用[M].北京:电子工业出版社,2001.
[17] 张玉兴.射频模拟电路[M].北京:电子工业出版社,2002.
[18] 王爱英.智能卡技术[M].北京:清华大学出版社,2000.
[19] 杨帮文.新型实用功率放大电路集锦[M].北京:人民邮电出版社,1999.
[20] TDA2282M Dual Low-Voltage Power Amplifier[DB/OL]. SGS-THOMSON Microelectronics,1995.
[21] (日) 内山明治,村野靖.图解运算放大器电路[M].北京:科学出版社,2000
[22] Charles Kitchin, Lew Counts. A designer’s guide to instrumentation amplifiers[M]. USA:Analog Devices,Inc,2004.
[23] AD620 Low Cost Low Power Instrumentation Amplifier [DB/OL]. Analog Devices, Inc, 2004.
[24] LM331 Precision Voltage-to-Frequency Converter [DB/OL]. National Semiconductor Corporation, 1999.
[25] ADC0809 8-Bit μP Compatible A/D Converters with 8-Channel Multiplexer[DB/OL]. National Semiconductor Corporation, 1999.
[26] 杨振江.A/D、D/A 转换器接口技术与实用线路[M].西安:西安电子科技大学出版社,1996.
[27] UGN3120 Hall-effect switch[DB/OL]. Allegro MicroSystems,Inc,1993.
[28] AT89S52 8-bit Microcontroler with 8K Bytes Flash[DB/OL]. Atmel Corporation,2005.
[29] 王幸之,钟爱琴,王雷等.AT89 系列单片机原理与接口技术[M],北京:北京航空航天大学出版社,2004.
[30] HM62256 32kB High Speed CMOS Static RAM[DB/OL]. Hitachi Corporation,1995.
[31] AT24C08 2-wire Serial EEPROM [DB/OL]. Atmel Corporation,2002.
[32] 12864 系列图形点阵液晶显示模块使用说明书[DB/OL].金鹏电子有限公司,2004.
[33] 何希才,姜余祥.新型稳压电源及其应用[M].北京:国防工业出版社,2002.
[34] 李大友.微型计算机接口技术[M].北京:清华大学出版社,1998.
[35] 梁庚煌.运输机械手册[M].北京:化学工业出版社,1983.
[36] 王幸之等.单片机应用系统抗干扰技术[M].北京:北京航空航天大学出版社,1999.
[37] 何立民.I2C 总线应用系统设计[M]. 北京:北京航空航天大学出版社,1995.
[38] Mark Nelson.串行通信开发指南[M].北京:中国水利水电出版社,2001.