CN106017332A - Roadway surrounding rock surface relative displacement monitoring system and method - Google Patents
Roadway surrounding rock surface relative displacement monitoring system and method Download PDFInfo
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 44
- 239000011435 rock Substances 0.000 title claims abstract description 40
- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000003245 coal Substances 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000002817 coal dust Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 10
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 3
- 206010029864 nystagmus Diseases 0.000 claims 2
- 230000005693 optoelectronics Effects 0.000 claims 2
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000005755 formation reaction Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006578 abscission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
本发明公开了巷道围岩表面相对位移监测系统及方法，该系统包括位移传感器、模/数转换器、单片机、上位机、电源模块、报警装置、防爆装置、显示器和Web服务器；所述位移传感器、模/数转换器、单片机、上位机依次连接，所述电源模块、报警装置、防爆装置分别与单片机连接，所述单片机上设有通信接口，所述单片机通过通信接口与上位机连接；所述上位机与显示器和Web服务器连接。本发明还提供了巷道围岩表面相对位移监测方法。该监测系统为光栅式监测系统，安装方便、测量精度高、稳定性好，有利于安全生产。
The invention discloses a system and method for monitoring the relative displacement of the surrounding rock surface of a roadway. The system includes a displacement sensor, an analog/digital converter, a single-chip microcomputer, a host computer, a power supply module, an alarm device, an explosion-proof device, a display and a Web server; the displacement sensor , analog/digital converter, single-chip microcomputer, and host computer are connected sequentially, and the power module, alarm device, and explosion-proof device are respectively connected with the single-chip microcomputer, and the single-chip microcomputer is provided with a communication interface, and the single-chip microcomputer is connected with the upper computer through the communication interface; The upper computer is connected with the display and the Web server. The invention also provides a method for monitoring the relative displacement of the roadway surrounding rock surface. The monitoring system is a grating monitoring system, which is easy to install, has high measurement accuracy and good stability, and is conducive to safe production.
Description
技术领域technical field
本发明属于煤炭工业技术领域，具体涉及巷道围岩表面相对位移监测系统及方法。The invention belongs to the technical field of the coal industry, and in particular relates to a system and a method for monitoring the relative displacement of the surrounding rock surface of a roadway.
背景技术Background technique
巷道围岩收敛量是确认围岩的稳定性、判断支护效果、指导施工顺序、预防拱顶崩塌、保证施工质量和安全的最基本资料；周边位移是巷道围岩应力状态变化和围岩发生流变变形最直接的反映。通过监测各施工阶段围岩与支护结构的动态变化，把握施工过程中结构所处的安全状态，判断围岩的稳定性、支护的可靠性、确保施工安全及结构的长期稳定性。The convergence of the roadway surrounding rock is the most basic data to confirm the stability of the surrounding rock, judge the support effect, guide the construction sequence, prevent the collapse of the vault, and ensure the construction quality and safety; the peripheral displacement is the change of the stress state of the roadway surrounding rock and the occurrence The most direct reflection of rheological deformation. By monitoring the dynamic changes of the surrounding rock and support structure at each construction stage, grasp the safety state of the structure during the construction process, judge the stability of the surrounding rock and the reliability of the support, and ensure construction safety and long-term stability of the structure.
近年来，随着传感测试技术的发展，对巷道围岩表面相对位移监测方法也越来越多，国内外研制出多种基于电阻或电磁式的顶板离层指示仪，且监测的自动化程度也越来越高。由于受到井下各种恶劣环境的影响，这些监测仪存在零点漂移，性能不稳定等缺陷。In recent years, with the development of sensor testing technology, there are more and more methods for monitoring the relative displacement of the roadway surrounding rock surface. A variety of resistance-based or electromagnetic-based roof abscission indicators have been developed at home and abroad, and the degree of automation of monitoring Also getting higher and higher. Due to the impact of various harsh environments downhole, these monitors have defects such as zero drift and unstable performance.
发明内容Contents of the invention
为了解决现有技术存在的缺陷，本发明提供巷道围岩表面相对位移监测系统及方法，该监测系统为光栅式监测系统，安装方便、测量精度高、稳定性好，有利于安全生产。In order to solve the defects existing in the prior art, the present invention provides a system and method for monitoring the relative displacement of the roadway surrounding rock surface. The monitoring system is a grating type monitoring system, which is easy to install, has high measurement accuracy and good stability, and is conducive to safe production.
其技术方案为Its technical solution is
巷道围岩表面相对位移监测系统，包括位移传感器、模/数转换器、单片机、上位机、电源模块、报警装置、防爆装置、显示器和Web服务器；所述位移传感器、模/数转换器、单片机、上位机依次连接，所述电源模块、报警装置、防爆装置分别与单片机连接，所述单片机上设有通信接口，所述单片机通过通信接口与上位机连接；所述上位机与显示器和Web服务器连接；The relative displacement monitoring system of the roadway surrounding rock surface comprises a displacement sensor, an analog/digital converter, a single-chip computer, a host computer, a power supply module, an alarm device, an explosion-proof device, a display and a Web server; the displacement sensor, an analog/digital converter, a single-chip computer , host computer are connected in sequence, and described power module, warning device, explosion-proof device are connected with single-chip microcomputer respectively, and described single-chip microcomputer is provided with communication interface, and described single-chip microcomputer is connected with upper computer through communication interface; Described upper computer and display and Web server connect;
所述位移传感器设有两个光栅副1，用于监测不同深度的岩层位移，钢丝绳2的一端与光栅副1中的动光栅连接，另一端为锚固端3，通过锚固器固定在不同深度的岩层位置，当岩层间产生离层时，钢丝绳2带动光栅副1产生相对运动，将岩层位移转换成光栅副1所产生的条纹数目；The displacement sensor is provided with two grating pairs 1, which are used to monitor the displacement of rock formations at different depths. One end of the steel wire rope 2 is connected to the moving grating in the grating pair 1, and the other end is an anchoring end 3, which is fixed at different depths by an anchor. The position of the rock layer, when the separation layer occurs between the rock layers, the wire rope 2 drives the grating pair 1 to produce relative motion, and converts the displacement of the rock layer into the number of stripes generated by the grating pair 1;
所述模/数转换器用于通过光电转换将光栅副1所产生的条纹数目转换成相应的脉冲数；The analog/digital converter is used to convert the number of fringes generated by the grating pair 1 into corresponding pulse numbers through photoelectric conversion;
所述单片机用于记录模/数转换器转换后的脉冲数，并将相应的信号发送给上位机；The single-chip microcomputer is used to record the number of pulses converted by the analog/digital converter, and send the corresponding signal to the host computer;
所述上位机用于接收单片机发来的信号，并计算所产生的离层值；The upper computer is used to receive the signal sent by the single-chip microcomputer, and calculate the generated separation layer value;
所述电源模块用于为系统供电；The power module is used to supply power to the system;
所述报警装置用于在离层位移发生较大抖动时，发出报警；The alarm device is used to issue an alarm when a large vibration occurs in the separation layer displacement;
所述防爆装置用于抵御煤矿井下巷道4发生的煤尘爆炸危险；The explosion-proof device is used to resist the danger of coal dust explosion in the coal mine underground roadway 4;
所述显示器用于显示煤矿井下巷道4的监测数据；The display is used to display the monitoring data of the coal mine underground roadway 4;
所述Web服务器用于发布煤矿井下巷道4的监测数据。The web server is used for publishing the monitoring data of the coal mine underground roadway 4 .
巷道围岩表面相对位移监测系统的操作方法，包括以下步骤：The operation method of the relative displacement monitoring system of the roadway surrounding rock surface includes the following steps:
位移传感器的两个光栅副1于监测不同深度的岩层位移，钢丝绳2的一端与光栅副1中的动光栅连接，另一端为锚固端3，通过锚固器固定在不同深度的岩层位置，当岩层间产生离层时，钢丝绳2带动光栅副1产生相对运动，将岩层位移转换成光栅副1所产生的条纹数目；所述模/数转换器通过光电转换将光栅副1所产生的条纹数目转换成相应的脉冲数；单片机记录模/数转换器转换后的脉冲数，并将相应的信号发送给上位机；上位机用于接收单片机发来的信号，并计算所产生的离层值，并通过Web服务器发布，工作人员通过显示器观察煤矿井下巷道4的监测数据。The two grating pairs 1 of the displacement sensor are used to monitor the displacement of rock formations at different depths. One end of the steel wire rope 2 is connected to the moving grating in the grating pair 1, and the other end is the anchor end 3, which is fixed at different depths of rock formations by anchors. When the rock formation When separation occurs, the steel wire rope 2 drives the grating pair 1 to produce relative motion, and converts the displacement of the rock formation into the number of stripes generated by the grating pair 1; the analog/digital converter converts the number of stripes generated by the grating pair 1 through photoelectric conversion. The corresponding pulse number; the single-chip computer records the pulse number converted by the analog/digital converter, and sends the corresponding signal to the upper computer; the upper computer is used to receive the signal sent by the single-chip computer, and calculate the generated separation value, and Published by the web server, the staff observes the monitoring data of the coal mine underground roadway 4 through the monitor.
与现有技术相比，本发明的有益效果：Compared with prior art, the beneficial effect of the present invention:
本发明为光栅式监测系统，安装方便、测量精度高、稳定性好，有利于安全生产。The invention is a grating type monitoring system, which has the advantages of convenient installation, high measurement accuracy and good stability, and is beneficial to safe production.
附图说明Description of drawings
图1为本发明巷道围岩表面相对位移监测系统的原理图；Fig. 1 is the schematic diagram of the relative displacement monitoring system of the roadway surrounding rock surface of the present invention;
图2为本发明巷道围岩表面相对位移监测系统的具体应用示意图。Fig. 2 is a specific application schematic diagram of the monitoring system for the relative displacement of the roadway surrounding rock surface of the present invention.
具体实施方式detailed description
下面结合附图和具体实施例对发明的技术方案作进一步详细说明。The technical solution of the invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
参照图1-图2，巷道围岩表面相对位移监测系统，包括位移传感器、模/数转换器、单片机、上位机、电源模块、报警装置、防爆装置、显示器和Web服务器；所述位移传感器、模/数转换器、单片机、上位机依次连接，所述电源模块、报警装置、防爆装置分别与单片机连接，所述单片机上设有通信接口，所述单片机通过通信接口与上位机连接；所述上位机与显示器和Web服务器连接；Referring to Fig. 1-Fig. 2, the relative displacement monitoring system of roadway surrounding rock surface comprises displacement sensor, analog/digital converter, single-chip microcomputer, host computer, power supply module, alarm device, explosion-proof device, display and Web server; Said displacement sensor, The analog/digital converter, the single-chip microcomputer, and the host computer are connected sequentially, and the power module, the alarm device, and the explosion-proof device are respectively connected with the single-chip microcomputer, and the single-chip microcomputer is provided with a communication interface, and the single-chip microcomputer is connected with the upper computer through the communication interface; The upper computer is connected with the monitor and the Web server;
所述位移传感器设有两个光栅副1，用于监测不同深度的岩层位移，钢丝绳2的一端与光栅副1中的动光栅连接，另一端为锚固端3，通过锚固器固定在不同深度的岩层位置，当岩层间产生离层时，钢丝绳2带动光栅副1产生相对运动，将岩层位移转换成光栅副1所产生的条纹数目；The displacement sensor is provided with two grating pairs 1, which are used to monitor the displacement of rock formations at different depths. One end of the steel wire rope 2 is connected to the moving grating in the grating pair 1, and the other end is an anchoring end 3, which is fixed at different depths by an anchor. The position of the rock layer, when the separation layer occurs between the rock layers, the wire rope 2 drives the grating pair 1 to produce relative motion, and converts the displacement of the rock layer into the number of stripes generated by the grating pair 1;
所述模/数转换器用于通过光电转换将光栅副1所产生的条纹数目转换成相应的脉冲数；The analog/digital converter is used to convert the number of fringes generated by the grating pair 1 into corresponding pulse numbers through photoelectric conversion;
所述单片机用于记录模/数转换器转换后的脉冲数，并将相应的信号发送给上位机；The single-chip microcomputer is used to record the number of pulses converted by the analog/digital converter, and send the corresponding signal to the host computer;
所述上位机用于接收单片机发来的信号，并计算所产生的离层值；The upper computer is used to receive the signal sent by the single-chip microcomputer, and calculate the generated separation layer value;
所述电源模块用于为系统供电；The power module is used to supply power to the system;
所述报警装置用于在离层位移发生较大抖动时，发出报警；The alarm device is used to issue an alarm when a large vibration occurs in the separation layer displacement;
所述防爆装置用于抵御煤矿井下巷道4发生的煤尘爆炸危险；The explosion-proof device is used to resist the danger of coal dust explosion in the coal mine underground roadway 4;
所述显示器用于显示煤矿井下巷道4的监测数据；The display is used to display the monitoring data of the coal mine underground roadway 4;
所述Web服务器用于发布煤矿井下巷道4的监测数据。The web server is used for publishing the monitoring data of the coal mine underground roadway 4 .
巷道围岩表面相对位移监测系统的操作方法，包括以下步骤：The operation method of the relative displacement monitoring system of the roadway surrounding rock surface includes the following steps:
位移传感器的两个光栅副1于监测不同深度的岩层位移，钢丝绳2的一端与光栅副1中的动光栅连接，另一端为锚固端3，通过锚固器固定在不同深度的岩层位置，当岩层间产生离层时，钢丝绳2带动光栅副1产生相对运动，将岩层位移转换成光栅副1所产生的条纹数目；所述模/数转换器通过光电转换将光栅副1所产生的条纹数目转换成相应的脉冲数；单片机记录模/数转换器转换后的脉冲数，并将相应的信号发送给上位机；上位机用于接收单片机发来的信号，并计算所产生的离层值，并通过Web服务器发布，工作人员通过显示器观察煤矿井下巷道4的监测数据。The two grating pairs 1 of the displacement sensor are used to monitor the displacement of rock formations at different depths. One end of the steel wire rope 2 is connected to the moving grating in the grating pair 1, and the other end is the anchor end 3, which is fixed at different depths of rock formations by anchors. When the rock formation When separation occurs, the steel wire rope 2 drives the grating pair 1 to produce relative motion, and converts the displacement of the rock formation into the number of stripes generated by the grating pair 1; the analog/digital converter converts the number of stripes generated by the grating pair 1 through photoelectric conversion. The corresponding pulse number; the single-chip computer records the pulse number converted by the analog/digital converter, and sends the corresponding signal to the upper computer; the upper computer is used to receive the signal sent by the single-chip computer, and calculate the generated separation value, and Published by the web server, the staff observes the monitoring data of the coal mine underground roadway 4 through the monitor.
以上所述，仅为本发明较佳的具体实施方式，本发明的保护范围不限于此，任何熟悉本技术领域的技术人员在本发明披露的技术范围内，可显而易见地得到的技术方案的简单变化或等效替换均落入本发明的保护范围内。The above is only a preferred specific embodiment of the present invention, and the scope of protection of the present invention is not limited thereto. Any person familiar with the technical field within the technical scope disclosed in the present invention can obviously obtain the simplicity of the technical solution. Changes or equivalent replacements all fall within the protection scope of the present invention.
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