CN101629799A - Non-intervisibility high and steep side slope deformation monitoring method and device thereof - Google Patents
Non-intervisibility high and steep side slope deformation monitoring method and device thereof Download PDFInfo
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Abstract
Description
技术领域 technical field
本发明涉及岩土工程边坡变形监测技术,尤其涉及一种通视条件差、地形复杂的无通视高陡边坡变形监测方法及其装置。具体地说,主要是针对复杂地形条件下的岩土工程边坡变形的实时监测,不仅对复杂地形条件下施工和运营过程中边坡与附属构筑物的变形监测具有显著优点,亦可运用于道路、桥梁、结构工程等的表面与内部变形监测领域。The invention relates to a geotechnical engineering slope deformation monitoring technology, in particular to a method and a device for monitoring deformation of a high and steep slope with no visibility and complex terrain. Specifically, it is mainly aimed at the real-time monitoring of geotechnical engineering slope deformation under complex terrain conditions. It not only has significant advantages in the deformation monitoring of slopes and auxiliary structures during construction and operation under complex terrain conditions, but also can be applied to roads. Surface and internal deformation monitoring of bridges, structural engineering, etc.
背景技术 Background technique
地表变形监测是对滑坡体的地表进行绝对位移和相对位移监测。每种监测方法,都有其优缺点,要根据滑坡具体情况,选用精度适宜、经济合理的监测方法。Surface deformation monitoring is to monitor the absolute displacement and relative displacement of the landslide surface. Each monitoring method has its own advantages and disadvantages. According to the specific situation of the landslide, a monitoring method with appropriate accuracy and economical rationality should be selected.
在土石坝的表面变形监测中,大都继续采用视准线法(活动标法、小角法)和人工水准测量法进行水平位移和垂直位移监测。传统的水平位移监测通常采用经纬仪三角测量或视准测量的方法。若变形量相对较小,监测精度要求较高,近一、二十年来,传统方法逐渐被垂线、引张线所取代,并在人工观测的基础上向自动化方向发展。现在使用较多的是步进电机式、光电式、感应式和激光等自动遥测传感器设备。垂直位移监测通常采用人工的光学水准测量方法。近年来为了满足管理部门自动化遥测的需求,出现了静力水准遥测技术。我国研制的差动变压器式和电容式等静力水准装置在许多大坝中得到了应用。In the surface deformation monitoring of earth-rock dams, most of them continue to use the line of sight method (movable standard method, small angle method) and artificial leveling method for horizontal and vertical displacement monitoring. Traditional horizontal displacement monitoring usually adopts theodolite triangulation or collimation measurement. If the amount of deformation is relatively small, the monitoring accuracy is required to be high. In the past one or two decades, the traditional method has been gradually replaced by the vertical line and the tension line, and it is developing towards automation on the basis of manual observation. Now use more automatic telemetry sensor equipment such as stepping motor type, photoelectric type, inductive type and laser. Vertical displacement monitoring usually adopts manual optical leveling method. In recent years, in order to meet the needs of the management department for automatic telemetry, static level telemetry technology has emerged. The differential transformer type and capacitive isostatic leveling devices developed in my country have been applied in many dams.
在三峡库区,绝对位移监测的新技术和新方法有全球定位系统GPS技术和合成孔径雷达干涉测量(简称INSAR)技术;相对位移变形监测的新技术有自动伸缩仪监测和分布式光纤监测等。GPS地表变形监测缺点是测量精度不够高、易受地形的影响,如在峡谷区由于接收到的卫星信号不够多而不能进行精确测量。合成孔径雷达干涉测量INSAR目前精度仍低于GPS的观测精度,但INSAR技术能提供比GPS技术好得多的空间分辨率。该技术手段特别适于解决大面积的滑坡、崩塌、泥石流以及地裂缝、地面沉降等地质灾害的监测预报,是一项快速、经济的空间探测高新技术。自动伸缩计是自动观测滑坡地表相对位移量的仪器,可用记录纸和数据贮存卡同时进行记录,可以记录长达半年的变形数据,测量精度可达到0.2mm,可进行远程遥测。其测定的数据具有连续性、实时性的特点,能揭示滑坡连续变形的全过程。缺点是测量的数据只是局部变形,要消除这种影响需多台串联。分布式光纤监测系统是分布调制的光纤传感系统,通常由激光光源、传感光纤(缆)和检测单元组成,它是一种自动化的监测系统。In the Three Gorges Reservoir area, new technologies and methods for absolute displacement monitoring include GPS technology and Synthetic Aperture Radar Interferometry (INSAR) technology; new technologies for relative displacement and deformation monitoring include automatic extensometer monitoring and distributed optical fiber monitoring, etc. . The disadvantage of GPS surface deformation monitoring is that the measurement accuracy is not high enough, and it is easily affected by the terrain. For example, in the canyon area, it is impossible to perform accurate measurement due to insufficient satellite signals received. The accuracy of synthetic aperture radar interferometry INSAR is still lower than that of GPS, but INSAR technology can provide much better spatial resolution than GPS technology. This technical method is especially suitable for monitoring and forecasting geological disasters such as landslides, collapses, debris flows, ground fissures, and ground subsidence in large areas. It is a fast and economical space detection high-tech. The automatic extensometer is an instrument for automatically observing the relative displacement of the landslide surface. It can be recorded simultaneously with recording paper and data storage card. It can record deformation data for up to half a year. The measurement accuracy can reach 0.2mm, and it can be used for remote telemetry. The measured data has the characteristics of continuity and real-time, and can reveal the whole process of landslide continuous deformation. The disadvantage is that the measured data is only partially deformed, and multiple units need to be connected in series to eliminate this effect. Distributed optical fiber monitoring system is a distributed modulation optical fiber sensing system, usually composed of laser light source, sensing optical fiber (cable) and detection unit, it is an automatic monitoring system.
张正禄教授与长委长江三峡勘测研究院有限公司(武汉)合作的“毫米级滑坡变形监测的2G技术与方法研究”将GPS和Georobot(全球定位系统和测量机器人)这两种现代技术与方法结合起来,解决滑坡变形监测中的关键技术问题。另有学者对TDR系统中电缆、电缆测试仪、数据记录仪和多路复用器进行了具体剖析,并对比水平仪、倾斜仪等传统监测仪器,论述了TDR系统的优点和不足。以及采用GPS相对静态定位技术监测山体滑坡,从滑坡监测网的基准点、监测点设计和观测出发,提出了利用高精度全站仪提供的尺度与方位基准来获得相对稳定不变的基准点坐标数据方法;在监测数据处理中对于不同监测周期的网形、起算点选取等对解算结果产生的影响进行了试验研究,提出适宜的解决方法。BHT-II滑坡推力光纤监测仪采用了一种基于OTDR的准分布式光纤压力传感器,具有较高的空间分辨率和测量灵敏度,适用于滑坡的推力实时监测,监测数据可用于滑坡治理工程设计和滑坡的预警预报。Professor Zhang Zhenglu and Changjiang Three Gorges Survey and Research Institute Co., Ltd. (Wuhan) cooperated in the "2G technology and method research on millimeter-scale landslide deformation monitoring" combining GPS and Georobot (global positioning system and measuring robot) two modern technologies and methods To solve the key technical problems in landslide deformation monitoring. Another scholar analyzed the cables, cable testers, data recorders and multiplexers in the TDR system in detail, and compared the traditional monitoring instruments such as level meters and inclinometers, and discussed the advantages and disadvantages of the TDR system. As well as using GPS relative static positioning technology to monitor landslides, starting from the reference point, monitoring point design and observation of the landslide monitoring network, it is proposed to use the scale and azimuth reference provided by the high-precision total station to obtain relatively stable reference point coordinates Data method: In the process of monitoring data processing, the influence of different monitoring cycle network shapes and starting calculation point selection on the calculation results was experimentally studied, and an appropriate solution was proposed. The BHT-II landslide thrust optical fiber monitor uses a quasi-distributed optical fiber pressure sensor based on OTDR, which has high spatial resolution and measurement sensitivity, and is suitable for real-time monitoring of landslide thrust. The monitoring data can be used for landslide control engineering design and Landslide early warning and forecasting.
随着自动化全站仪(测量机器人)、GPS、计算机软件和通信技术的发展,突破大坝(特别是土石坝)表面变形监测自动化的技术手段已成为可能。如目前市场上比较流行的“流动式半自动化变形监测系统”和“固定式全自动化变形监测系统”。流动式半自动化变形监测系统一方面可用于基点和工作基点三角网的边角观测;另一方面还可在基点或工作基点上对变形点进行边角交会测量。由于自动化全站仪在机载软件的控制下,可实现对棱镜目标的自动识别与照准,因此测站工作实现了自动化观测、记录与限差检核。但因多站观测,需要人工在有关的网点(基点或工作基点)之间搬动仪器。With the development of automatic total station (measuring robot), GPS, computer software and communication technology, it has become possible to break through the automatic technical means of surface deformation monitoring of dams (especially earth-rock dams). Such as the popular "flowing semi-automatic deformation monitoring system" and "fixed fully automatic deformation monitoring system" in the market. On the one hand, the mobile semi-automatic deformation monitoring system can be used for corner observation of the base point and working base point triangulation; on the other hand, it can also perform corner intersection measurement on the base point or working base point. Under the control of the airborne software, the automatic total station can realize the automatic identification and alignment of the prism target, so the station work realizes automatic observation, recording and tolerance check. However, due to multi-station observations, it is necessary to manually move the instrument between related network points (base points or working base points).
中国科学院水利部成都山地灾害与环境研究所赵宇等发明一种智能型地质灾害综合监测系统及多级预报分析方法,该系统是一种按需可组合、拆卸的,适合于野外安装的监测装置,定时测量并地面无线发射斜坡地下深部变形信息于系统信息分析控制单元,结合采用激光扫描器,同时还增设多点定点激光测距仪,对选定物体进行精确测距。它以地质灾害体地下深部变形和地表直接变形位移为主要监测预报依据,就地一体化地完成监测、分析、预报功能。Zhao Yu, Chengdu Institute of Mountain Hazards and Environment, Ministry of Water Resources, Chinese Academy of Sciences, etc. invented an intelligent geological disaster comprehensive monitoring system and multi-level forecast analysis method. This system is a monitoring system that can be combined and disassembled on demand and is suitable for field installation. The device regularly measures and wirelessly transmits the deep underground deformation information of the slope to the system information analysis control unit, and uses a laser scanner. At the same time, it also adds a multi-point fixed-point laser range finder to accurately measure the distance of the selected object. It takes the deep underground deformation of geological disaster bodies and the direct surface deformation and displacement as the main basis for monitoring and forecasting, and completes the functions of monitoring, analysis and forecasting in an integrated manner on the spot.
综上,目前尚无统一的技术方法对边坡表面和深部变形进行监测,因此其变形测试结果的统一性和可比性不强,另外对于设备安装、测试光线、现场通视条件以及自动化采集设备的用电等方面均有相对特别的要求。To sum up, there is currently no unified technical method to monitor slope surface and deep deformation, so the uniformity and comparability of the deformation test results are not strong. In addition, for equipment installation, test light, on-site visibility conditions and automatic acquisition equipment There are relatively special requirements in terms of electricity consumption.
发明内容 Contents of the invention
本发明的目的就在于克服现有技术存在的上述缺点和不足,提供一种无通视高陡边坡变形监测方法及其装置,对测试光线和通视条件无任何要求,人工读数和自动采集相对独立。The purpose of the present invention is to overcome the above-mentioned shortcomings and deficiencies in the prior art, to provide a method and device for monitoring the deformation of high and steep slopes without visibility, without any requirements for test light and visibility conditions, manual reading and automatic collection Relatively independent.
本发明的目的是这样实现的:The purpose of the present invention is achieved like this:
一、无通视高陡边坡变形监测方法1. No-line-of-sight deformation monitoring method for high and steep slopes
本方法包括下列步骤:This method comprises the following steps:
①在边坡上选择有代表性的地表监测位置布设地表目标靶点;或在适当位置钻一定倾斜度的钻孔,将深层目标靶点埋设在设计深度;① Select a representative surface monitoring location on the slope to lay out surface target points; or drill holes with a certain inclination at an appropriate position to bury deep target points at the design depth;
②在边坡顶部选择相对稳定的位置固定测试基座底板,并安装滑轮组;②Choose a relatively stable position on the top of the slope to fix the bottom plate of the test base and install the pulley block;
③将不锈钢铉制成测线,一端固定在目标靶点上;另一端绕过滑轮组,用钢铉固定卡扣将牵引配重固定在其端部;③ Make a measuring line made of stainless steel hook, one end is fixed on the target point; the other end bypasses the pulley block, and the traction counterweight is fixed at the end with a steel hook fixing buckle;
④将位移传感器安装在滑轮支撑架的传感器固定夹上,传感器测头置于牵引配重上,通过调整传感器固定夹的高低设定传感器初始值;④ Install the displacement sensor on the sensor fixing clip of the pulley support frame, place the sensor measuring head on the traction counterweight, and set the initial value of the sensor by adjusting the height of the sensor fixing clip;
⑤用人工读数方法或数据传输线将位移传感器的数据传入数据采集仪,数据采集仪读数存入采集卡中;⑤Use the manual reading method or data transmission line to transfer the data of the displacement sensor to the data acquisition instrument, and the readings of the data acquisition instrument are stored in the acquisition card;
⑥利用计算机调控边坡变形信息的采集、传输、显示和记录。⑥ Use computer to control the collection, transmission, display and recording of slope deformation information.
二、无通视高陡边坡变形监测装置2. Non-visual high and steep slope deformation monitoring device
本装置包括依次连接的目标靶点、测试连接线、测试固定基座、位移传感器、数据采集记录系统和PC计算机。The device includes sequentially connected target points, test connection lines, test fixed base, displacement sensor, data acquisition and recording system and PC computer.
本装置工作原理:The working principle of this device:
利用膨胀木的膨胀特性将不锈钢丝测线与钻孔孔壁牢牢地相对固定,测线通过牵引配重保持一定的张紧度受力,测线的伸缩量代表了边坡所测位置(地表和不同深部岩土体)与测试固定基座之间的相对位移量。具体地说,边坡及附属构筑物等在施工或运营过程中,若置于牵引配重上的位移传感器读数减小,则表明边坡发生滑动变形。变形量可通过人工读数或通过数据采集仪采集、记录的位移传感器读数相互独立获取。Using the expansion characteristics of expansive wood, the stainless steel wire measuring line is firmly fixed relative to the wall of the borehole, and the measuring line is kept under a certain tension through the traction counterweight. The expansion and contraction of the measuring line represents the measured position of the slope ( The relative displacement between the ground surface and different deep rock and soil bodies) and the test fixed base. Specifically, during the construction or operation of the slope and its subsidiary structures, if the readings of the displacement sensor placed on the traction counterweight decrease, it indicates that the slope has slipped and deformed. The amount of deformation can be obtained independently of each other through manual readings or through the displacement sensor readings collected and recorded by the data acquisition instrument.
整个过程实现了在不影响施工和运营条件下,克服光线条件、通视条件以及复杂地形条件等的约束直观实时获取变形监测数据。The whole process realizes the intuitive and real-time acquisition of deformation monitoring data without affecting the construction and operation conditions, overcoming the constraints of light conditions, visibility conditions, and complex terrain conditions.
经现场测试,本装置的技术指标如下:After on-site testing, the technical indicators of this device are as follows:
精度:0.01mm; 测试距离:400m; 工作温度:0℃~50℃,Accuracy: 0.01mm; Test distance: 400m; Working temperature: 0℃~50℃,
测试通道:无限制;变形量程:无限制。Test channel: unlimited; deformation range: unlimited.
本发明具有以下优点和积极效果The present invention has the following advantages and positive effects
①在监测过程中,可实时监测采集在复杂工况条件下边坡滑动变形,掌控边坡稳定性,使地表变形和深部岩土体变形测试手段和标准相统一。①During the monitoring process, real-time monitoring and collection of sliding deformation of the slope under complex working conditions can control the stability of the slope, so that the testing methods and standards for surface deformation and deep rock and soil deformation can be unified.
②不受边坡的通视条件限制,同时不受地形条件以及光线条件制约,可以在任何时间及气候条件下实时对边坡变形予以监控。②It is not restricted by the visibility conditions of the slope, and is not restricted by the terrain conditions and light conditions, so the deformation of the slope can be monitored in real time at any time and under climatic conditions.
③视现场条件可以分别选择人工读数或数据自动采集功能,可以按照不同精度要求更换传感器种类。③According to the site conditions, the function of manual reading or automatic data collection can be selected separately, and the type of sensor can be replaced according to different accuracy requirements.
④该装置测试原理直观、结构简单、精度高、稳定性好、易于操作、拆卸方便,对安装测试人员没有很强的技术要求。④The test principle of the device is intuitive, simple in structure, high in precision, good in stability, easy to operate, easy to disassemble, and has no strong technical requirements for installation and testing personnel.
⑤本发明不仅对复杂条件下施工和运营过程中边坡的变形监测具有显著的优点,也可运用于基坑开挖、地下矿山开采等的岩土工程变形监测领域。⑤ The present invention not only has significant advantages in deformation monitoring of slopes during construction and operation under complex conditions, but can also be used in the field of geotechnical engineering deformation monitoring for excavation of foundation pits and underground mining.
附图说明 Description of drawings
图1是本装置结构方框图;Fig. 1 is a structural block diagram of the device;
图2是深层目标靶点埋置图;Figure 2 is a deep target target embedding map;
图3是本装置结构示意图。Fig. 3 is a schematic diagram of the structure of the device.
其中:in:
1-目标靶点,1- target target,
1.1-固定钢管, 1.2-膨胀木, 1.3-PVC护管,1.1-fixed steel pipe, 1.2-expanded wood, 1.3-PVC protective pipe,
1.4-法兰盘;1.4-flange;
2-测试连接线,2- Test connection wire,
2.1-不锈钢铉, 2.2-钢铉固定卡扣, 2.3-牵引配重;2.1-Stainless Steel Hyun, 2.2-Steel Hyun Fixed Buckle, 2.3-Traction Weight;
3-测试固定基座,3- Test the fixed base,
3.1-基座底板, 3.2-固定螺钉, 3.3-滑轮支撑架,3.1- Base plate, 3.2- Fixing screw, 3.3- Pulley support frame,
3.4-滑轮固定销, 3.5-滑轮组;3.4- Pulley fixed pin, 3.5- Pulley block;
4-位移传感装置;4- Displacement sensing device;
4.1-位移传感器, 4.2-传感器固定夹;4.1-Displacement sensor, 4.2-Sensor clip;
5-数据采集记录系统;5- Data collection and recording system;
5.1-数据传输线, 5.2-数据采集仪;5.1-Data transmission line, 5.2-Data acquisition instrument;
6-PC计算机。6-PC computer.
具体实施方式 Detailed ways
下面结合附图和实施示例对本装置进一步说明:The device is further described below in conjunction with the accompanying drawings and implementation examples:
一、总体1. Overall
如图1、图2、图3,本装置包括依次连接的目标靶点1、测试连接线2、测试固定基座3、位移传感器4、数据采集记录系统5和PC计算机6。As shown in Fig. 1, Fig. 2 and Fig. 3, the device includes a
二、功能块2. Function block
1、目标靶点11.
目标靶点1或为地表目标靶点,或为深层目标靶点;
(1)地表目标靶点(1) Surface target targets
如图3,地表目标靶点或为单个,或为多个。As shown in Figure 3, the surface target is either single or multiple.
①单个①Single
单个由固定钢管1.1和膨胀木1.2组成;Single is composed of fixed steel pipe 1.1 and expanded wood 1.2;
固定钢管1.1贯穿于膨胀木1.2中,膨胀木1.2埋置于孔径大于膨胀木直径0~10mm的地表浅孔中。The fixed steel pipe 1.1 runs through the expanded wood 1.2, and the expanded wood 1.2 is embedded in a shallow hole on the surface whose diameter is 0-10 mm larger than the diameter of the expanded wood.
②多个②Multiple
多个固定钢管1.1分别贯穿于多个膨胀木1.2中,多个膨胀木1.2分别埋置于多个地表浅孔中。A plurality of fixed steel pipes 1.1 respectively run through a plurality of expanded woods 1.2, and a plurality of expanded woods 1.2 are respectively embedded in a plurality of shallow holes on the ground.
(2)深层目标靶点(2) Deep target target
如图2、3,深层目标靶点或为单个,或为多个。As shown in Figures 2 and 3, the deep target is either single or multiple.
①单个①Single
单个由固定钢管1.1、膨胀木1.2、PVC护管1.3和法兰盘1.4组成;Single is composed of fixed steel pipe 1.1, expanded wood 1.2, PVC protective pipe 1.3 and flange 1.4;
固定钢管1.1贯穿于膨胀木1.2中,膨胀木1.2埋置于孔径大于膨胀木直径0~10mm的坡体倾斜钻孔中,不锈钢铉2.1起始端与固定钢管1.1相连,末端穿过安装于孔口的法兰盘1.4绕过滑轮组3.5与牵引配重2.3相连,孔内的不锈钢铉2.1用PVC护管1.3加以保护。The fixed steel pipe 1.1 runs through the expansion wood 1.2, and the expansion wood 1.2 is embedded in the inclined drill hole of the slope body whose diameter is 0-10mm larger than the diameter of the expansion wood. Flange plate 1.4 of flange is bypassed pulley block 3.5 and links to each other with traction counterweight 2.3, and the stainless steel Hyun 2.1 in the hole is protected with PVC protective pipe 1.3.
②多个②Multiple
多个固定钢管1.1分别贯穿于多个膨胀木1.2中,多个膨胀木1.2分别埋置于一个坡体倾斜钻孔中的多个测点;每个不锈钢铉2.1起始端分别与每个固定钢管1.1相连,末端穿过安装于孔口的一个法兰盘1.4绕过滑轮组3.5分别与每个牵引配重2.3相连,孔内的多个不锈钢铉2.1用一个PVC护管1.3加以保护。A plurality of fixed steel pipes 1.1 respectively run through a plurality of expansion woods 1.2, and a plurality of expansion woods 1.2 are respectively embedded in a plurality of measuring points in an inclined borehole of a slope body; 1.1 are connected, the end passes through a flange plate 1.4 installed in the orifice and bypasses the pulley block 3.5 to be connected to each traction counterweight 2.3 respectively, and a plurality of stainless steel xuan 2.1 in the hole is protected with a PVC protective pipe 1.3.
2、测试连接线22.
如图3,测试连接线2包括前后依次连接的不锈钢铉2.1、钢铉固定卡扣2.2和牵引配重2.3;As shown in Figure 3, the
不锈钢铉2.1的起始端连接于固定钢管1.1,末端绕过滑轮组3.5通过钢铉固定卡扣2.2与牵引配重2.3相连。The starting end of the stainless steel hook 2.1 is connected to the fixed steel pipe 1.1, and the end bypasses the pulley block 3.5 and connects with the traction counterweight 2.3 through the steel hook fixing buckle 2.2.
牵引配重2.3的作用是将不锈钢铉2.1拉直,并保持不发生蠕变变形,另外可作为位移传感器4.1的测试基点。The function of the traction counterweight 2.3 is to straighten the stainless steel 2.1 without creep deformation, and it can also be used as the test base point of the displacement sensor 4.1.
3、测试固定基座33. Test the fixed
如图3,测试固定基座3包括基座底板3.1、固定螺钉3.2、滑轮支撑架3.3、滑轮固定销3.4和滑轮组3.5;As shown in Figure 3, the test fixed
利用固定螺钉3.2将基座底板3.1固定在边坡顶部相对稳定位置,滑轮支撑架3.3安装于测试基座3.1上,利用滑轮固定销3.4将滑轮组3.5固定于滑轮支撑架3.3顶端,滑轮组3.5作为不锈钢铉2.1支撑和变向之用。Use fixing screws 3.2 to fix the base bottom plate 3.1 at a relatively stable position on the top of the slope. The pulley support frame 3.3 is installed on the test base 3.1. Use the pulley fixing pin 3.4 to fix the pulley block 3.5 on the top of the pulley support frame 3.3. The pulley block 3.5 is made of stainless steel. Hyun 2.1 is used for support and direction change.
4、位移传感装置44.
如图3,位移传感装置4包括位移传感器4.1和传感器固定夹4.2;As shown in Figure 3, the
传感器固定夹4.2安装在滑轮支撑架3.3上,位移传感器4.1通过传感器固定夹4.2固定于牵引配重2.3上。The sensor fixing clip 4.2 is installed on the pulley support frame 3.3, and the displacement sensor 4.1 is fixed on the traction counterweight 2.3 through the sensor fixing clip 4.2.
位移传感器4.1可采用百分表或拉杆式传感器,用于人工读数,也可用于自动记录系统;采用激光传感器可用于自动记录,且能够达到更高的测试精度。Displacement sensor 4.1 can use a dial indicator or a pull rod sensor for manual reading or an automatic recording system; a laser sensor can be used for automatic recording and can achieve higher test accuracy.
5、数据采集记录系统55. Data acquisition and
数据采集记录系统5包括相互连接的数据传输线5.1和数据采集仪5.2;The data acquisition and
数据传输线5.1的输入端接位移传感器4.1,数据传输线5.1的输出端接数据采集仪5.2。The input end of the data transmission line 5.1 is connected to the displacement sensor 4.1, and the output end of the data transmission line 5.1 is connected to the data acquisition instrument 5.2.
数据采集仪5.2选用多通道数据采集仪。Data acquisition instrument 5.2 select multi-channel data acquisition instrument.
位移传感器4.1输出信号为电压模拟信号,需经数据采集仪5.2把模拟信号转换为数字信号存入采集卡,将采集卡中的数据导入PC计算机6进行后续计算分析。The output signal of the displacement sensor 4.1 is a voltage analog signal, which needs to be converted into a digital signal by the data acquisition instrument 5.2 and stored in the acquisition card, and the data in the acquisition card is imported into the
6、PC计算机66.
PC计算机6是一种常用的工业计算机。The
Claims (6)
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