[1]孙世岭.基于LoRa技术的矿用顶底板测距传感器设计[J].工业仪表与自动化装置,2020,(05):28-31.[doi:1000-0682(2020)05-0000-00]
　SUN Shiling.Design of range sensor of mining roof and floor based on Lora technology[J].Industrial Instrumentation & Automation,2020,(05):28-31.[doi:1000-0682(2020)05-0000-00]
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基于LoRa技术的矿用顶底板测距传感器设计

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2020年05期
页码:
28-31
栏目:
出版日期:
2020-10-15

文章信息/Info

Title:
Design of range sensor of mining roof and floor based on Lora technology
作者:
孙世岭1; 2
1. 中煤科工集团重庆研究院有限公司；
2. 瓦斯灾害监控与应急技术国家重点实验室，重庆 400039
Author(s):
SUN Shiling1; 2
1. China Coal Technology and Engineering Group Chongqing Research Institute;
2. State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400039, China
关键词:
LoRa; 相位法; 激光测距; 声光报警; 光控接收电路
Keywords:
LoRa;  phase method;  laser range finder;  sound-light alarm;  optical control receiving circuit
分类号:
TD326
DOI:
1000-0682(2020)05-0000-00
文献标志码:
A
摘要:
针对传统煤矿顶底板测距手段存在无法实时监测、检测精度低、实用性差、通信易断线等问题，创新性设计了一种基于LoRa无线通信技术的顶底板测距传感器，以集成相位法测距原理的激光测距模块作为距离测量核心模块，显著提高了顶底板距离测量的检测精度和实时性。从电路设计、逻辑控制机制2方面详细介绍了电压转换、5位数码管显示、光控接收、激光测距模块接口、声光报警、LoRa模块接口6部分电路设计方案，以及传感器的软件执行逻辑流程。现场试验结果表明，该传感器检测精度高、煤矿顶底板测距实用性强、安装方便，满足设计需求。
Abstract:
Aiming at the problems of the traditional mine measuring instruments and methods about roof to floor convergence that can not be monitored in real time,the detection accuracy is low,the practicability is poor and communication is easy to break,a new type of top and bottom plate ranging sensor is designed based on Lora wireless communication technology,which uses the laser ranging module based on integrated phase ranging principle as the core module of distance measurement,and the detection accuracy and real-time performance of roof to floor convergence are greatly improved. Six parts of the circuit schematic scheme are presented in details from two aspects of circuit design and logic control mechanism,including voltage conversion,five-digit tube display,optical control and reception,laser ranging module interface,sound-light alarm,LoRa module interface,and the software execution logic flow of the rangefinder are presented.The field test results show that the sensor has high detection accuracy,high practicability in distance measurement of coal mine roof and floor,convenient installation and meets the design requirements.

参考文献/References:

[1] 田雷,蒲志强,张瑞新,等.基于多种监测手段的综采巷道超前支护优化[J].煤炭技术,2018,37 (11):61-64.

[2] 高贤成.采动影响下煤矿底板岩巷矿压控制技术研究[J].煤炭工程,2018,50(06):89-92.
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[4] 郭江涛.基于激光测距原理的高精度巷道顶底板移近量监测传感器设计[J].煤炭技术,2016,35(12):270-272.
[5] 刘亚辉.基于激光测距巷道顶底板移近量传感器的设计与应用[J].煤炭工程,2016,48(08):71-73.
[6] 贾延东.基于等效脉冲计数法的激光测距系统研究[D].长春:长春理工大学,2019.
[7] 赵小兵.新型矿井顶底板及两帮移近量在线监测系统设计[J].煤矿机电,2016 (04):9-12.
[8] 赵二刚,郭天勇.基于LoRa技术的加密无线通信系统设计[J].自动化与仪表,2019,34(11):1-4+8.
[9] 黄韶杰.矿用高频低功耗便携式无线振动传感系统设计[J].煤炭工程,2019,51 (10):20-23.
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备注/Memo

备注/Memo:
收稿日期：2020-04-12
基金项目：重庆市技术创新与应用发展专项(cstc2019jscx-msxm0347);重庆市煤炭发展专项资金项目(渝（煤）【2020】-kj-13)
作者简介：孙世岭(1979)，男，硕士研究生在读，副研究员，主要从事矿用智能仪器仪表设计及无线通信技术相关研究工作。E-mail：SSL56@126.com
更新日期/Last Update: 1900-01-01