CN205002729U - Underground warp measuring device based on deviational survey and hall effect - Google Patents

Underground warp measuring device based on deviational survey and hall effect Download PDF

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Publication number
CN205002729U
CN205002729U CN201520777801.9U CN201520777801U CN205002729U CN 205002729 U CN205002729 U CN 205002729U CN 201520777801 U CN201520777801 U CN 201520777801U CN 205002729 U CN205002729 U CN 205002729U
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China
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integrated sensor
sensor unit
circuit
deviational survey
hall effect
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CN201520777801.9U
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Chinese (zh)
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李哲昀
沈岳坤
芮振杰
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Hangzhou Vocational and Technical College
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Hangzhou Vocational and Technical College
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Abstract

The utility model discloses an underground warp measuring device based on deviational survey and hall effect. A plurality of integrated sensor units on down in proper order the cluster fold to connect and constitute that measure the cluster and the encapsulation is intraductal at the soft rubber and plastic of pyrocondensation to put into the secret ground body, concentrate to connect gradually through 485 serial portss between processing apparatus and each the integrated sensor unit, measure integrated sensor unit self for the angle of inclination of earth's core plumb line through deviational survey MEMS circuit, survey the magnetic circuit through hall effect and measure adjacent integrated sensor unit and send the intensity of overflow tank in magnetic field, reach relative displacement and the angle of inclination of every integrated sensor unit between two adjacent integrated sensor units according to the measurement model to obtain the buried deformation condition of the ground body. The utility model discloses need not carry out the manual work and measure, can automatic real -time continuous measurement monitor, it is accurate to measure, can truly reflect the deformation condition of secret ground, the unable measuring condition can not appear, can realize automatic measurement.

Description

A kind of underground deformation measurement mechanism based on deviational survey and Hall effect
Technical field
The utility model relate to a kind of Rock And Soil measurement mechanism, especially relate to a kind of underground deformation measurement mechanism based on deviational survey and Hall effect, can be used for underground deep Rock And Soil distortion (displacement) and measures.
Background technology
Landslide, avalanche, rubble flow, collapse, the geologic hazard of the harm people's life such as earth subsidence and property safety occur before and occur time there will be the offset phenomena of underground deep, tailing dam also there will be deep displacement phenomenon in constantly piling up, road and rail side slope there will be displacement in rock mass deep before being leaned against Rock And Soil extruding and occurring collapsing, can because to excavate and distortion and the offset phenomena of underground deep appear in the activity such as piling in building and water conservancy construction.For geologic hazard hidden danger point, tailing dam and road and rail side slope, underground deformation or the displacement sign normally before catastrophe; And for building and water conservancy construction, the important behaviour of underground deformation or displacement normally Geotechnical Engineering environment and quality.Therefore, the distortion of ground underground deep or displacement are monitored to the means of the necessity being the Geotechnical Engineering quality such as defence disaster, guarantee building and water conservancy.
Collapse for Landslide Hazards, Tailings Dam of Mine, the ground catastrophe of the type such as road and rail slope failure, building foundation pit cave in, by monitoring the development of the Deformation Prediction catastrophe of underground and causing the possibility of calamity, underground deformation is the valid data of this kind of ground catastrophe early warning, forecast.
Existing underground deformation or displacement measurement normally use tiltmeter, and it is made up of inclinometer pipe, inclino-probe, tilting value receiver three part.Inclinometer pipe imbeds the position will surveying distortion or displacement in advance, during measurement, inclino-probe is put into from the mouth of pipe on ground, the tilting value recorded successively is given the tilting value receiver on ground according to different depth by the inclino-probe put into, the pitch angle of measuring sonde can tilting value receiver display gauge head on the ground read, through the shift value that can draw underground that converts.This deviational survey measuring instrument by the placement from top to bottom in inclinometer pipe of manual operation measuring sonde, must could realize the pitch angle measuring inclinometer pipe, can not the monitoring of real-time continuous automatically, and measurement accuracy is relevant with the technology of operator.
Also have in addition, when the distortion of S type occurs the inclinometer pipe being embedded in soil body deep, or when generation deep camber bends, measuring sonde cannot put down measurement.In addition, inclinometer pipe is the pipe made with aluminium or engineering plastics, has good resistance of failure, when underground soil property is softer, descend the displacement of the soil body to be greater than shift value corresponding to the angle of inclination of inclinometer pipe practically, this can not reflect the actual conditions of underground exactly.
Therefore for ground catastrophe, existing underground deformation measurement products has three large defects at least: 1. can not realize real-time measurement; 2., when the hierarchical motion of Rock And Soil makes inclinometer pipe become S shape, inclino-probe cannot put into inclinometer pipe, can not realize measuring; 3. inclinometer pipe is that relative weak soil is harder pipe, and the weak soil amount of movement therefore measured can be less than the amount of movement of actual weak soil with guiding the thickness of inclino-probe guide groove to be engineering plastics pipe or the aluminum pipe of 3mm, can not the deformation of Measurement accuracy Rock And Soil.In order to change and eliminate the defect of inclinometer pipe measuring instrument that existing underground deformation is measured, descend with improvement deformeter and method necessary.
Utility model content
In order to solve Problems existing in background technology, the utility model proposes a kind of underground deformation measurement mechanism based on deviational survey and Hall effect, combine Magnetic Measurement Technology, MEMS sensor technology and mechanics of communication, integrated sensor unit based on deviational survey and Hall effect is formed, to realize the true measurement of Rock And Soil underground deformation.
The technical solution adopted in the utility model is:
The utility model comprises the centralized processor integrated sensor unit identical with multiple structure, go here and there successively under multiple integrated sensor unit to fold to connect and compose to measure and go here and there and be encapsulated in the soft rubber plastic pipe of pyrocondensation, the soft rubber plastic pipe of pyrocondensation vertically puts into underground Rock And Soil, is connected successively between centralized processor with each integrated sensor unit by 485 serial ports.
Described integrated sensor unit: the Hall effect of the Hall survey magnetic chip that comprises sub-single-chip microcomputer, includes the deviational survey MEMS circuit of deviational survey MEMS chip, includes surveys magnetic circuit, electromagnetic field generating coil and electromagnet thereof, Magnetic control circuit, sub 485 bus driving circuits and A/D change-over circuit; Sub-single-chip microcomputer surveys magnetic circuit, sub 485 bus driving circuits and A/D change-over circuit with deviational survey MEMS circuit, Hall effect respectively, deviational survey MEMS circuit and Hall effect are surveyed magnetic circuit and are carried out deviational survey respectively and survey magnetic, sub-single-chip microcomputer is connected with the electromagnetic field generating coil be wrapped on electromagnet through Magnetic control circuit, is connected between son 485 bus driving circuits of adjacent integrated sensor unit by 485 buses.Sub-Single-chip Controlling magnetic generation circuit, 485 bus driving circuits, read the output voltage of deviational survey integrated circuit and Hall chip.According to the signal that centralized processor transmits from 485 buses, neighbouring integrated sensor is controlled successively to be measured in real time.
Described centralized processor: comprise host scm, main 485 bus driving circuits and communication module; Host scm is connected with main 485 bus driving circuits and communication module respectively, and main 485 bus driving circuits are connected with integrated sensor unit through 485 buses.Host scm also sends control signal by 485 buses to multiple underground displacement measurement integrated sensor, is distally sent the underground displacement information gathering and measure and obtain by communication module.
Described communication module comprises GPRS communicating circuit and USB interface driving circuit.
In described multiple integrated sensor units, at least one integrated sensor unit is placed in stable horizon d.
Single-chip microcomputer, deviational survey MEMS chip, Hall are mainly surveyed magnetic chip, electromagnetic field generating coil, Magnetic control circuit, 485 bus driving circuits, A/D change-over circuit etc. and are integrated into integrated sensor measuring unit by the utility model, and multiple measurement integrated unit is formed underground deformation or displacement measurement string, the horizontal displacement of each position, underground is focused on again by centralized processor, thus form underground deformation or displacement measuring instrument, establish a kind of new underground deformation (displacement) metering system.
Collapse as the generation of Landslide Hazards, the routed of tailing dam, the collapsing of road and rail side slope, building foundation pit the underground deformation (displacement) of the Rock And Soil such as to cave in normally embody with the motion of earth horizontal direction, and this distortion is continuous print from ground to deep, therefore the utility model adopts the deformation measurement mode of continuous coverage Rock And Soil from ground to deep to realize accurately and continuous print measurement.
The beneficial effect that the utility model has is:
The utility model does not need to carry out manual measurement, the measurement monitoring of the automatic real-time continuous of energy, measure accurately, the actual conditions of underground can be reflected exactly, overcome and eliminate the underground deformation measuring instruments such as existing inclinometer pipe and measure inaccurate technical matters, significant for the distortion of ground underground deep or displacement monitoring defending the Geotechnical Engineering quality such as disaster, guarantee building and water conservancy.
In summary, the utility model measurement result truly can reflect the deformation of underground ground, there will not be situation about cannot measure, and can realize automatic measurement.
Accompanying drawing explanation
Fig. 1 is that the one-piece construction of the utility model system forms schematic diagram.
In figure: A represents centralized processor, D represents tested ground, and E represents stable horizon d.
Fig. 2 is the Structure composing schematic diagram of the utility model integrated sensor unit.
Fig. 3 is the Structure composing schematic diagram of the utility model centralized processor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises the centralized processor A integrated sensor unit identical with multiple structure, go here and there successively under multiple integrated sensor unit to fold to connect and compose to measure and go here and there and be encapsulated in the soft rubber plastic pipe of pyrocondensation, the soft rubber plastic pipe of pyrocondensation vertically puts into underground Rock And Soil, be connected successively by 485 serial ports between centralized processor A with each integrated sensor unit, integrated sensor unit carries out survey magnetic and measuring-signal is sent to centralized processor A by deviational survey, and integrated sensor unit is used for underground deformation or displacement measurement.
Integrated sensor unit comprises sub-single-chip microcomputer (Micro-ControllerUnit), includes the deviational survey MEMS(Micro-Electro-MechanicalSystem of deviational survey MEMS chip) circuit, include the Hall effect that Hall surveys magnetic chip and survey magnetic circuit, electromagnetic field generating coil and electromagnet thereof, Magnetic control circuit, sub 485 bus driving circuits and A/D change-over circuit; Sub-single-chip microcomputer surveys magnetic circuit, sub 485 bus driving circuits and A/D change-over circuit with deviational survey MEMS circuit, Hall effect respectively, deviational survey MEMS circuit and Hall effect are surveyed magnetic circuit and are carried out deviational survey respectively and survey magnetic, sub-single-chip microcomputer is connected with the electromagnetic field generating coil be wrapped on electromagnet through Magnetic control circuit, is connected between son 485 bus driving circuits of adjacent integrated sensor unit by 485 buses.
Integrated sensor unit is concrete as shown in Figure 2, and show the relation between two adjacent integrated sensors, comprise whole Circuits and Components that underground deformation (displacement) measures integrated sensor in the dotted line frame on the left side, in the local dotted line on the right, only indicate electromagnet, Magnetic control circuit, deviational survey circuit that underground deformation (displacement) measures integrated sensor.
As shown in Figure 2, single-chip microcomputer reads the output voltage of deviational survey integrated circuit and Hall chip, and is passed to the centralized processor on ground by 485 buses; At the centralized processor on ground, send signal, make neighbouring integrated sensor unit controlled successively between two by 485 buses, ground distortion (displacement) realized from underground deep to ground is measured.
As shown in Figure 3, centralized processor A comprises host scm, main 485 bus driving circuits and communication module; Host scm is connected with main 485 bus driving circuits and communication module respectively, and main 485 bus driving circuits are connected with integrated sensor unit through 485 buses.Communication module comprises GPRS communicating circuit and USB interface driving circuit.Centralized processor A sends control signal by 485 buses to multiple integrated sensor unit.
In the utility model, a part of integrated sensor unit is placed on the tested ground D that may deform, and a part of integrated sensor unit is placed on stable horizon d E.In multiple integrated sensor unit, at least one integrated sensor unit is placed in stable horizon d E.
The utility model puts into Rock And Soil after being connected in series by integrated sensor, and when Rock And Soil deforms, the physical characterization deformed between two neighbouring integrated sensors is relative horizontal displacement and the change of integrated sensor axis angle between integrated sensor.
The utility model be by by 485 bus marco integrated sensor strings from m integrated sensor from top to bottom, send out the magnetic line of force, survey magnetoelectricity pressure, deviational survey, and each amount data are collected by 485 buses, realize information transmission and control by 485 buses between the integrated sensor be connected between two.During measurement, control electromagnet send magnetic field by an integrated sensor, the Hall effect circuit of another integrated sensor receives magnetic field, and the power in magnetic field has reacted the spacing between two integrated sensors; And deviational survey circuit measures the pitch angle of integrated sensor and earth vertical line, the difference at two integrated sensor pitch angle is exactly the angle of two integrated sensors.Angle between the magnetoelectricity pressure of the reflection integrated sensor level interval recorded according to Hall effect circuit and two integrated sensors, known distortion from top to bottom between two between integrated sensor, thus distortion (displacement) situation obtaining whole integrated sensor string.Carry out deviational survey as first controlled m integrated sensor unit, electromagnet energising sends magnetic field, control (m-1) integrated sensor unit again and carry out survey magnetoelectricity pressure, deviational survey, A will read the measurement data of m, (m-1), calculate the angle between m, (m-1), then draw the deformation data such as level interval, inclination of m and (m-1) according to measurement model; After completing, A will control (m-1) and (m-2) successively ..., until last integrated sensor unit has all been surveyed.The data recorded at host computer with form and image display, and will be preserved for a long time.
, concrete measurement implementation process of the present utility model is as follows:
As shown in Figure 1, integrated sensor string composition is measured primarily of centralized processor, underground deformation (displacement), by 2 ~ m identical being formed by 485 buses serial connections by the integrated sensor unit surveying magnetic and deviational survey of structure from below to up successively, wherein m integrated sensor unit is connected by 485 buses with centralized processor A, and at least uppermost integrated sensor must put into stable horizon d, the whole measurement string be made up of integrated sensor is encapsulated in the soft rubber plastic pipe of pyrocondensation of thickness only 1mm.
Gone here and there up and down by 2-m integrated sensor unit and build up string, have that two power leads and two connections working power realized from ground to underground provide, data transmission and Survey control communication, the outside heat-shrink tube thick by 1mm of integrated sensor unit of bunchiness wraps up.
Actual physical form is cylindrical, about diameter be 5cm, high be 8cm.Its structure is in the engineering plastics pipe of wall thickness 4mm, respectively in the upper and lower end of pipe from mouth of pipe edge 10mm place placement two pieces of circular circuit boards, one piece of circular circuit board of upper end is equipped with electromagnet, Magnetic control circuit etc., one piece of circular circuit board of bottom is equipped with single-chip microcomputer, MEMS deviational survey circuit, Hall effect survey magnetic circuit, A/D change-over circuit, 485 bus driving circuits, mu balanced circuit etc.Device, circuit on upper and lower two pieces of circular circuit boards, by the single-chip microcomputer centralized control process in bottom.
Angle between the integrated sensor be close between two in integrated sensor string and spacing are by deviational survey and survey magnetic realization, the crust of integrated sensor string is soft heat-shrink tube, when underground ground moves, integrated sensor string can move arbitrarily along with ground, and the angle between two between integrated sensor measured and spacing reflect the distortion of underground Rock And Soil.
Because integrated sensor 10cm each in integrated sensor string is high, and bunchiness will be wrapped up by integrated sensor one by one by thin soft heat-shrink tube, the data that integrated sensor records are sent to ground by 485 buses, such integrated sensor string can pushing with underground ground, be out of shape together with ground (namely deflection is the same with ground deflection), be out of shape the deformation that integrated sensor string can measure ground come what may, and measuring process does not need manual intervention.

Claims (5)

1. the underground deformation measurement mechanism based on deviational survey and Hall effect, it is characterized in that: comprise the integrated sensor unit that centralized processor (A) is identical with multiple structure, go here and there successively under multiple integrated sensor unit to fold to connect and compose to measure and go here and there and be encapsulated in the soft rubber plastic pipe of pyrocondensation, the soft rubber plastic pipe of pyrocondensation vertically puts into underground Rock And Soil, and centralized processor (A) is connected by 485 serial ports successively with between each integrated sensor unit.
2. a kind of underground deformation measurement mechanism based on deviational survey and Hall effect according to claim 1, is characterized in that: described integrated sensor unit comprises sub-single-chip microcomputer, include the deviational survey MEMS circuit of deviational survey MEMS chip, include the Hall effect that Hall surveys magnetic chip surveys magnetic circuit, electromagnetic field generating coil and electromagnet thereof, Magnetic control circuit, sub 485 bus driving circuits and A/D change-over circuit; Sub-single-chip microcomputer surveys magnetic circuit, sub 485 bus driving circuits and A/D change-over circuit with deviational survey MEMS circuit, Hall effect respectively, deviational survey MEMS circuit and Hall effect are surveyed magnetic circuit and are carried out deviational survey respectively and survey magnetic, sub-single-chip microcomputer is connected with the electromagnetic field generating coil be wrapped on electromagnet through Magnetic control circuit, is connected between son 485 bus driving circuits of adjacent integrated sensor unit by 485 buses.
3. a kind of underground deformation measurement mechanism based on deviational survey and Hall effect according to claim 1, is characterized in that: described centralized processor (A) comprises host scm, main 485 bus driving circuits and communication module; Host scm is connected with main 485 bus driving circuits and communication module respectively, and main 485 bus driving circuits are connected with integrated sensor unit through 485 buses.
4. a kind of underground deformation measurement mechanism based on deviational survey and Hall effect according to claim 3, is characterized in that: described communication module comprises GPRS communicating circuit and USB interface driving circuit.
5. a kind of underground deformation measurement mechanism based on deviational survey and Hall effect according to claim 1, is characterized in that: in described multiple integrated sensor units, at least one integrated sensor unit is placed in stable horizon d (E).
CN201520777801.9U 2015-10-09 2015-10-09 Underground warp measuring device based on deviational survey and hall effect Expired - Fee Related CN205002729U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105758290A (en) * 2016-05-10 2016-07-13 云南省交通规划设计研究院 Multi-node super-long deep part displacement monitoring system based on RS485 bus technology
CN105783823A (en) * 2016-05-10 2016-07-20 云南省交通规划设计研究院 Multi-node super-long deep part displacement monitoring device and method
CN108519072A (en) * 2018-05-11 2018-09-11 中国科学院武汉岩土力学研究所 Rock deformation measuring device and rock measuring apparatus
CN112097633A (en) * 2020-09-08 2020-12-18 中国计量大学 Underground three-dimensional displacement measurement system and method based on double-mutual-inductance equivalent voltage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105758290A (en) * 2016-05-10 2016-07-13 云南省交通规划设计研究院 Multi-node super-long deep part displacement monitoring system based on RS485 bus technology
CN105783823A (en) * 2016-05-10 2016-07-20 云南省交通规划设计研究院 Multi-node super-long deep part displacement monitoring device and method
CN105783823B (en) * 2016-05-10 2018-10-30 云南省交通规划设计研究院 Multinode overlength deep soils device and monitoring method
CN108519072A (en) * 2018-05-11 2018-09-11 中国科学院武汉岩土力学研究所 Rock deformation measuring device and rock measuring apparatus
CN108519072B (en) * 2018-05-11 2019-10-18 中国科学院武汉岩土力学研究所 Rock deformation measuring device and rock measuring device
CN112097633A (en) * 2020-09-08 2020-12-18 中国计量大学 Underground three-dimensional displacement measurement system and method based on double-mutual-inductance equivalent voltage

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Granted publication date: 20160127

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