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CN114111708A - A soil deformation monitoring device, system and using method thereof - Google Patents

A soil deformation monitoring device, system and using method thereof Download PDF

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Publication number
CN114111708A
CN114111708A CN202111344691.3A CN202111344691A CN114111708A CN 114111708 A CN114111708 A CN 114111708A CN 202111344691 A CN202111344691 A CN 202111344691A CN 114111708 A CN114111708 A CN 114111708A
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China
Prior art keywords
soil deformation
axis sensor
deformation monitoring
soil
sensor
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CN202111344691.3A
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Chinese (zh)
Inventor
刁钰
焦陈磊
郑刚
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Tianjin University
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Tianjin University
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Priority to CN202111344691.3A priority Critical patent/CN114111708A/en
Publication of CN114111708A publication Critical patent/CN114111708A/en
Priority to CN202222750562.0U priority patent/CN219714351U/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

本发明公开了一种土体变形监测装置,包括多个串连在一起的测量单元,每个测量单元设有一个密封盒,在所述密封盒内固装有一个多轴传感器,所述多轴传感器设有角度传感器和加速度传感器,在所述密封盒的两端各固定有一根传动轴;相邻两个所述测量单元连接的传动轴通过万向联轴器相连。本发明还公开了一种采用上述装置的自动化实时远程土体变形监测系统及其使用方法。本发明可以实现任意角度的土体变形监测;可实现模块化组装;可实现降本增效,具有功能多样化,结构模块化、多场景适应性强、可重复回收利用、结构简单和成本低等优点。

Figure 202111344691

The invention discloses a soil deformation monitoring device, comprising a plurality of measurement units connected in series, each measurement unit is provided with a sealing box, a multi-axis sensor is fixed in the sealing box, and the multi-axis sensor is fixed in the sealing box. The shaft sensor is provided with an angle sensor and an acceleration sensor, and a transmission shaft is fixed at both ends of the sealing box; the transmission shafts connected with two adjacent measurement units are connected by a universal coupling. The invention also discloses an automatic real-time remote soil deformation monitoring system using the device and a method for using the same. The invention can realize soil deformation monitoring at any angle; can realize modular assembly; can realize cost reduction and efficiency increase, has diversified functions, modular structure, strong adaptability to multiple scenarios, recyclable, simple structure and low cost Etc.

Figure 202111344691

Description

Soil deformation monitoring device and system and using method thereof
Technical Field
The invention belongs to the technical field of model tests and underground engineering, and particularly relates to a soil deformation monitoring device, a soil deformation monitoring system and a using method of the soil deformation monitoring system.
Background
The soil deformation is an important monitoring content in the construction of building engineering and soil tests. At present, the measuring devices which are used more mainly comprise a pressure sensor, a static level gauge, a water pipe type settlement gauge and the like. The existing measuring instrument for soil deformation has complex design, higher cost and complex operation, and cannot realize remote real-time monitoring. Meanwhile, manual measurement methods are mostly adopted, the labor intensity of manual operation monitoring is high, high-frequency measurement cannot be realized, the reliability is insufficient, faults are easy to occur, and the current requirements are gradually difficult to meet.
Disclosure of Invention
The invention provides a soil deformation monitoring device, a soil deformation monitoring system and a using method thereof for solving the technical problems in the known technology.
The first technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: a soil deformation monitoring device comprises a plurality of measuring units which are connected in series, wherein each measuring unit is provided with a sealing box, a multi-axis sensor is fixedly arranged in each sealing box, each multi-axis sensor is provided with an angle sensor and an acceleration sensor, and two transmission shafts are respectively fixed at two ends of each sealing box; and the transmission shafts connected with two adjacent measuring units are connected through a universal coupling.
The second technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: the automatic real-time remote soil deformation monitoring system adopting the device comprises at least one set of device and a remote upper computer, wherein the remote upper computer receives monitoring data of the multi-axis sensor in real time, processes the monitoring data by using software and converts the monitoring data into soil deformation.
And a power supply of the multi-axis sensor is provided with a solar charger.
The multi-axis sensor is connected with the remote upper computer through a data line.
The multi-axis sensor is connected with the remote upper computer through a wireless communication module.
The third technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: according to the using method of the automatic real-time remote soil deformation monitoring system, the device is buried in the soil.
The fourth technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: the device is arranged in a PVC hose, an embedded groove is formed in the inner side of the PVC hose, the multi-axis sensor is embedded in the corresponding embedded groove, a micro-expansion material is filled in the PVC hose, and the multi-axis sensor, the micro-expansion material and the PVC hose form a whole and are implanted into a soil body.
The invention has the advantages and positive effects that:
(1) the soil deformation monitoring at any angle can be realized: according to different burying or arranging directions, the soil deformation measurement at any angle can be realized. The transmission shafts of the measuring units comprising the multi-axis sensors are connected through universal couplings, arranged at certain intervals and connected with a remote upper computer, so that full-automatic real-time remote monitoring can be realized; the device can be embedded in a soil body to be detected in advance or installed in a PVC pipe at any angle, the soil body to be detected is implanted, and then the deformation monitoring of the soil body is realized through angle conversion; meanwhile, a plurality of the soil deformation monitoring devices are combined for use, and networking three-dimensional monitoring of soil deformation can be achieved.
(2) Modular assembly can be realized: the transmission shaft of the measuring unit can be customized as required, the combination of the measuring device depends on the arrangement conditions of the measuring environment and the point location, and the measuring device can also be assembled by utilizing the existing components, can be assembled at any time and is convenient and fast to install.
(3) Cost reduction and efficiency improvement can be realized: the measuring system has the advantages of diversified functions, modular structure, strong multi-scene adaptability, repeated recycling, simple structure, low cost and the like; the monitoring process does not need manual operation, and full automatic real-time data transmission can improve the stability of monitoring, and sensitivity is high, can show the measurement accuracy who improves the soil body deformation, practices thrift the manual work, can reduce soil body deformation monitoring cost, greatly reduced engineering and experimental cost.
Drawings
FIG. 1 is a schematic structural diagram of a multi-axis sensor of a soil deformation monitoring device of the present invention installed in a sealed box;
FIG. 2 is a schematic view of a measuring unit of the soil deformation monitoring device of the present invention;
FIG. 3 is a schematic view of a soil deformation monitoring device according to the present invention;
FIG. 4 is a schematic structural diagram of an automated real-time remote soil deformation monitoring system according to the present invention;
FIG. 5 is a schematic diagram of the lateral monitoring of an automated real-time remote soil deformation monitoring system according to the present invention;
fig. 6 is a schematic view of vertical monitoring of an automated real-time remote soil deformation monitoring system according to the present invention.
In the figure: 1. a multi-axis sensor; 2. a sealing box; 3. a drive shaft; 4. a universal coupling; 5. a remote upper computer; 6. and (4) soil body.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1 to 3, a soil deformation monitoring device comprises a plurality of measuring units connected in series, each measuring unit is provided with a sealing box 2, a multi-axis sensor 1 is fixedly installed in the sealing box 2, the multi-axis sensor 1 is provided with an angle sensor and an acceleration sensor, and two ends of the sealing box 2 are respectively fixed with a transmission shaft 3; and the transmission shafts connected with two adjacent measuring units are connected through a universal coupling 4.
Each multi-axis sensor is installed in a sealing box, the multi-axis sensors are fixed through bolts and arranged according to measuring points, and the distance between the multi-axis sensors is adjusted and controlled through the length of the transmission shaft 3. The multi-axis sensor at least comprises an angle sensor and an acceleration sensor, and at least needs to be provided with an angle measuring capability and a multi-cascade capability.
Referring to fig. 4, an automatic real-time remote soil deformation monitoring system using the above device includes at least one set of the device and a remote upper computer 5, where the remote upper computer 5 receives the monitoring data of the multi-axis sensor 1 in real time, and uses software to process the monitoring data and convert the monitoring data into soil deformation.
The upper computer collects signals, records and processes data, the data collected by the multi-axis sensor in real time are processed by software and converted into soil deformation, and a deformation curve of the space soil is drawn.
In this embodiment, the power supply of the multi-axis sensor 1 is provided with a solar charger, which is convenient for the monitoring system to be applied in a construction site. The multi-axis sensor 1 is connected with the remote upper computer 5 through a data line or a wireless communication module.
Referring to fig. 5, when the automatic real-time remote soil deformation monitoring system is applied, the soil deformation monitoring device is buried in the soil 6. Referring to fig. 6, the soil deformation monitoring device is disposed in a PVC hose, an caulking groove is disposed on an inner side of the PVC hose, the multi-axis sensor 1 is embedded in the corresponding caulking groove, a micro-expansion material is filled in the PVC hose, and the multi-axis sensor, the micro-expansion material and the PVC hose are integrally implanted in a soil body.
More specifically, the method of use:
(1) firstly, according to the scene measurement requirement, arranging the number of measuring points, determining the length of a transmission shaft, and configuring a universal coupling and a required cable;
(2) according to the monitoring mode, if filling soil or a model test exists, the device can be embedded into the deformed soil body to be detected; or adopting an implantation mode to punch holes in advance, and then implanting the PVC pipe with the measuring device into the holes; the upper end of the measuring device is fixed.
(3) Connecting a cable connected with a terminal with the multi-axis sensor 1, reading monitoring data by using an upper computer, and recording;
(4) the power supply of the multi-axis sensor 1 is provided with a solar charger, and the power supply state needs to be tested after arrangement is finished;
(5) the upper computer automatically realizes high-frequency data acquisition and can also manually acquire data at a given sampling frequency.
The system can be combined with a plurality of measuring devices to realize three-dimensional monitoring. The system can realize full-automatic real-time remote fine monitoring.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (7)

1. The soil deformation monitoring device is characterized by comprising a plurality of measuring units which are connected in series, wherein each measuring unit is provided with a sealing box, a multi-axis sensor is fixedly arranged in each sealing box, each multi-axis sensor is provided with an angle sensor and an acceleration sensor, and two ends of each sealing box are respectively and fixedly provided with a transmission shaft; and the transmission shafts connected with two adjacent measuring units are connected through a universal coupling.
2. An automated real-time remote soil deformation monitoring system using the apparatus of claim 1, comprising at least one set of the apparatus and a remote host computer, wherein the remote host computer receives the monitoring data of the multi-axis sensor in real time, processes the monitoring data with software, and converts the monitoring data into soil deformation.
3. The automated real-time remote soil deformation monitoring system of claim 2, wherein the power supply of the multi-axis sensor is provided with a solar charger.
4. The automated real-time remote soil deformation monitoring system of claim 2 wherein the multi-axis sensor is connected to the remote upper computer by a data line.
5. The automated real-time remote soil deformation monitoring system of claim 2, wherein the multi-axis sensor is connected to the remote upper computer through a wireless communication module.
6. A method of using the automated real-time remote soil deformation monitoring system of claim 2, wherein the apparatus is buried in the soil.
7. The method for using the automatic real-time remote soil deformation monitoring system according to claim 2, wherein the device is arranged in a PVC hose, the inner side of the PVC hose is provided with an embedded groove, the multi-axis sensor is embedded in the corresponding embedded groove, the PVC hose is filled with a micro-expansion material, and the multi-axis sensor, the micro-expansion material and the PVC hose are integrally implanted in the soil.
CN202111344691.3A 2021-11-15 2021-11-15 A soil deformation monitoring device, system and using method thereof Pending CN114111708A (en)

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CN202222750562.0U CN219714351U (en) 2021-11-15 2022-10-19 A soil deformation monitoring device and system

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CN211552804U (en) * 2019-10-30 2020-09-22 上海航鼎电子科技发展有限公司 Underground soil deformation measurement packaging module and underground soil deformation measurement system
CN212406709U (en) * 2020-05-21 2021-01-26 东北大学 Device for installing stress sensor in rock drilling hole
CN113338252A (en) * 2021-06-25 2021-09-03 深圳大学 Novel grouting anchoring layered inclination and settlement monitoring system and method
CN113376686A (en) * 2021-06-02 2021-09-10 大连理工大学 Microseism sensor device based on expanded material

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913743A (en) * 2014-11-25 2015-09-16 国家电网公司 Electric power iron tower deformation monitoring method based on inertia measurement
CN204332692U (en) * 2014-12-31 2015-05-13 佛山市顺德区宏邺电器有限公司 A kind of explosion-proof power capacitor with security control function
CN105696540A (en) * 2015-08-25 2016-06-22 北京中力智研物联科技有限公司 Measuring method and device for foundation pit deep horizontal displacement and underground water level
DE102016202963A1 (en) * 2016-02-25 2017-08-31 Em-Motive Gmbh Method for mounting a sensor in a stator of an electric machine and a corresponding mounted stator
CN106404319A (en) * 2016-08-22 2017-02-15 广州瀚阳工程咨询有限公司 Remote automatic real-time bridge monitoring system and method based on MEMS technology
CN107916683A (en) * 2016-10-09 2018-04-17 上海凯盾工程技术有限公司 A kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation
CN206223141U (en) * 2016-11-23 2017-06-06 广州瀚阳工程咨询有限公司 A kind of auto monitoring and measurement system for foundation ditch and tunnel deformation
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