CN101551246A - Geotechnical engineering monitoring system based on wireless automatically dual-axis inclinometer - Google Patents
Geotechnical engineering monitoring system based on wireless automatically dual-axis inclinometer Download PDFInfo
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- CN101551246A CN101551246A CNA2009100392488A CN200910039248A CN101551246A CN 101551246 A CN101551246 A CN 101551246A CN A2009100392488 A CNA2009100392488 A CN A2009100392488A CN 200910039248 A CN200910039248 A CN 200910039248A CN 101551246 A CN101551246 A CN 101551246A
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Abstract
The present invention provides a geotechnical engineering monitoring system based on wireless automatically dual-axis inclinometer, which is characterized in that composed of a low cost inclinometer, self-developed users interactive software and data acquisition system, utilizing movable apparatus and wireless technology to implement full-automatic actual time wireless monitoring of stratum lateral deformation. System of the invention can effectively reduce number of person needed in surveying work, and shorten operation time. The function of automatic measuring and wireless can avoid survey crew working in dangerous environment, which is a measuring system both safe and economic.
Description
Technical field
The invention belongs to the Geotechnical Engineering technical field, particularly a kind of geotechnical engineering monitoring system, and the operating process of this system and application based on wireless automatically dual-axis inclinometer.
Technical background
Underground space development, soft soil foundation and embankment construction, in constructing tunnel and the slope project isolith geotechnique journey project implementation process, land subsidence and underground lateral distortion are one of problems of paying close attention to the most of Geotechnical Engineering teacher.At present, traditional tiltmeter remains the instrument of most widely used measurement underground lateral distortion.Yet, traditional tiltmeter needs in a large number operation manually, and its method of operating is: by survey crew the inclination measuring staff is put into the bottom of measuring boring, measuring staff is upwards carried again, every angle of inclination in the recording scheduled soil depth changes into the stratum lateral deformation to measurement data more as calculated.Usually, measuring process needs long time, obtains two-dimentional stratum lateral deformation data if desired, and then required time and workload will double.If run into large-scale measurement engineering, it will be very huge expending in the workload and the time of underground deformation measurement, and the utmost point does not close economic principle.In addition, it is a very difficult and dangerous job that traditional tiltmeter is measured slope deforming, especially under situations such as typhoon or heavy rain, even entail dangers to survey crew life.In view of the above problems, the present invention utilizes Micro Electro Mechanical System (MEMS) and wireless communication technology, a kind of with low cost but powerful wireless Geotechnical Engineering automatic monitoring system is proposed, by exploitation user interaction software and data gathering system, realize the lateral shift monitoring of full-automatic real-time radio stratum, in order to replace traditional monitoring equipment with high costs, labour-intensive and scheme.
Because China is in the large-scaled construction period, large-scale construction project constantly increases, and safe, accurate and economic Geotechnical Engineering measuring system will have marketable value.
Summary of the invention
The objective of the invention is, labour intensive with high costs at existing Geotechnical Engineering tiltmeter, problem such as the running time is long and degree of safety is low, a kind of with low cost but powerful wireless Geotechnical Engineering automatic monitoring system is provided.
In order to reach this purpose, the technical solution used in the present invention is as follows:
Utilize twin shaft Micro Electro Mechanical System (MEMS) accelerometer and survey sensor a kind of low power consumption, that make by simulator; the light low-cost assembly that cooperates the plastics protecting sheathing to make; connect the motor system that this assembly of may command moves up and down again; in conjunction with automatic time controller; realize assembly operation up and down in the deviational survey conduit; (X, stratum Y) is then to displacement to measure two orthogonal horizontal continuously in whole soil layer.Measuring operation and data acquisition utilize user interaction software and data acquisition system (DAS) to finish, user interaction software and data acquisition system (DAS) utilize LABVIEW 7.1 softwares to set up, can be with survey sensor data acquisition, amplification and the calibration in the light low-cost assembly, the data of collection comprise the output signal of supply voltage, directions X and the output signal of Y direction.User interaction software becomes the lateral shift data with data acquisition system (DAS) with the data-switching that collects, its result is shown as the displacement of numbering, position and the corresponding directions X and the Y direction of each measuring point, draw out the both direction displacement with the soil depth variation diagram, and all data that can will collect are kept at automatically in the electrical form for use in the future.In data transmission, the present invention uses mobile device and wireless technology, carries out the transmission of height reliable wireless based on GSM or GPRS network, to carry out the wireless full-automation of monitoring.
Advantage of the present invention is: brand-new, a with low cost but powerful wireless geotechnical engineering monitoring system is provided.This system can effectively reduce the required personnel of surveying work, shortens working hours.The auto-measuring of this system and wireless transmission function can avoid survey crew in dangerous environment work, are not only a safety but also economic AS.
Description of drawings
Accompanying drawing 1MEMS accelerometer and survey sensor theory diagram.
Accompanying drawing 2 is based on the tiltmeter of mems accelerometer and survey sensor design.
Accompanying drawing 3 moves Geotechnical Engineering automatically then to DEFORMATION MONITORING SYSTEM.
Accompanying drawing 4 data acquisition system (DAS)s and wireless communication system.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
The present invention includes following steps:
(1) twin shaft Micro Electro Mechanical System (MEMS) accelerometer and the survey sensor (as shown in Figure 1) of utilize a kind of low power consumption, being made by simulator cooperate self-control plastics protecting sheathing to make a light low-cost assembly, as shown in Figure 2.
(2) connect the motor system that controllable components is moved up and down, in conjunction with automatic time controller, Control Component is operation up and down in the deviational survey conduit, realizes two orthogonal horizontal (X in the whole stratum, Y) the continuous measurement of stratum lateral shift, as shown in Figure 3.
(3) utilize software LABVIEW user interaction software of 7.1 exploitations and data acquisition system (DAS), the data acquisition in the survey sensor, amplification and calibration, the data of collection comprise the output signal of supply voltage, directions X and the output signal of Y direction.
(4) utilize interactive software and data acquisition system (DAS), the data-switching that collects is become the lateral shift data, its result is shown as numbering, position and the corresponding X and the displacement of Y direction of each measuring point, and draw out the both direction top offset with the soil depth variation diagram, again all data are kept in the electrical form automatically.Data acquisition program is used the mobile device wireless technology, carries out the transmission of height reliable wireless based on GSM or GPRS network, carries out the observation process full-automation, as shown in Figure 4.
Claims (9)
1, a kind of geotechnical engineering monitoring system based on wireless automatically dual-axis inclinometer, it is characterized in that: by a kind of low-cost tiltmeter, independently developed user interaction software and data acquisition system (DAS) are formed, utilize mobile device and wireless technology, realize full-automatic real-time radio monitoring the stratum lateral deformation.
2, a kind of low-cost tiltmeter according to claim 1 is characterized in that: a light low-cost assembly is arranged, can move up and down in the deviational survey conduit automatically, be implemented in two orthogonal horizontal (X, Y) continuous coverage of lateral shift on whole stratum.
3, light low-cost assembly according to claim 2 is characterized in that: twin shaft Micro Electro Mechanical System (MEMS) accelerometer and survey sensor by a kind of low power consumption are made, and are furnished with the plastics protecting sheathing.
4, light low-cost assembly according to claim 2 is characterized in that: connect a micro motor system, in conjunction with automatic time controller, realize the up and down operation of light low-cost assembly in the deviational survey pipe is led.
5, user interaction software according to claim 1 and data acquisition system (DAS) is characterized in that: utilize LABVIEW 7.1 to set up, can realize the collection and the analysis of tiltmeter data, and make whole DATA REASONING and analytic process have robustness.
6, user interaction software according to claim 5 and data acquisition system (DAS), it is characterized in that: can gather the data in the survey sensor, and increase and calibrate, the data of collection comprise the output signal and the Y direction output signal of supply voltage, directions X.
7, user interaction software according to claim 5 and data acquisition system (DAS) is characterized in that: all measurement data results can be kept in the electrical form automatically, for use in the future.
8, the data in the survey sensor according to claim 6, it is characterized in that: the output signal of X, Y direction is convertible into the lateral shift data, its result is shown as numbering, position and the corresponding X of each measurement point, the displacement of Y direction, and can draw the variation diagram of the displacement of both direction with soil depth.
9, a mobile device according to claim 1 and wireless technology is characterized in that: utilize GSM or GPRS network, carry out the wireless data transmission of high reliability, carry out the full-automatic wirelessization of monitoring and data acquisition.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100392488A CN101551246A (en) | 2009-05-06 | 2009-05-06 | Geotechnical engineering monitoring system based on wireless automatically dual-axis inclinometer |
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| CNA2009100392488A CN101551246A (en) | 2009-05-06 | 2009-05-06 | Geotechnical engineering monitoring system based on wireless automatically dual-axis inclinometer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963501A (en) * | 2010-08-12 | 2011-02-02 | 刘文峰 | Construction method for monitoring slope stability by using mobile inclinometer |
| CN104567646A (en) * | 2015-01-18 | 2015-04-29 | 蒋梦 | Connecting rod type displacement monitor |
| CN105442520A (en) * | 2015-11-11 | 2016-03-30 | 中国水利水电科学研究院 | Deformation and stability monitoring system for side slope and whole process of construction period and primary water storage period of dam |
| CN106094011A (en) * | 2016-06-30 | 2016-11-09 | 马克 | Dome dam Microseismic monitoring system and method |
| CN107269270A (en) * | 2017-07-28 | 2017-10-20 | 中国地质调查局油气资源调查中心 | A kind of permafrost region natural gas hydrate stratum stable state monitoring method |
| CN111322940A (en) * | 2020-04-08 | 2020-06-23 | 北京交通大学 | Tunnel face deep soil horizontal displacement monitoring device and method |
| CN112924649A (en) * | 2021-03-17 | 2021-06-08 | 四川农业大学 | Landslide model horizontal acceleration amplification coefficient testing method |
-
2009
- 2009-05-06 CN CNA2009100392488A patent/CN101551246A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963501A (en) * | 2010-08-12 | 2011-02-02 | 刘文峰 | Construction method for monitoring slope stability by using mobile inclinometer |
| CN104567646A (en) * | 2015-01-18 | 2015-04-29 | 蒋梦 | Connecting rod type displacement monitor |
| CN104567646B (en) * | 2015-01-18 | 2015-12-02 | 蒋梦 | A kind of link-type displacement monitor |
| CN105442520A (en) * | 2015-11-11 | 2016-03-30 | 中国水利水电科学研究院 | Deformation and stability monitoring system for side slope and whole process of construction period and primary water storage period of dam |
| CN106094011A (en) * | 2016-06-30 | 2016-11-09 | 马克 | Dome dam Microseismic monitoring system and method |
| CN106094011B (en) * | 2016-06-30 | 2018-06-12 | 大连理工大学 | Dome dam Microseismic monitoring system and method |
| CN107269270A (en) * | 2017-07-28 | 2017-10-20 | 中国地质调查局油气资源调查中心 | A kind of permafrost region natural gas hydrate stratum stable state monitoring method |
| CN107269270B (en) * | 2017-07-28 | 2018-08-03 | 中国地质调查局油气资源调查中心 | A kind of permafrost region natural gas hydrate stratum stable state monitoring method |
| CN111322940A (en) * | 2020-04-08 | 2020-06-23 | 北京交通大学 | Tunnel face deep soil horizontal displacement monitoring device and method |
| CN112924649A (en) * | 2021-03-17 | 2021-06-08 | 四川农业大学 | Landslide model horizontal acceleration amplification coefficient testing method |
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Open date: 20091007 |