CN207113861U - A kind of geotechnical stratified settlement measuring device - Google Patents
A kind of geotechnical stratified settlement measuring device Download PDFInfo
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- CN207113861U CN207113861U CN201721125354.4U CN201721125354U CN207113861U CN 207113861 U CN207113861 U CN 207113861U CN 201721125354 U CN201721125354 U CN 201721125354U CN 207113861 U CN207113861 U CN 207113861U
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- sedimentation
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- geotechnical stratified
- magnet ring
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Abstract
The utility model discloses a kind of geotechnical stratified settlement measuring device.Include the in-site measurement instrument and distant place measuring instrument of radio communication connection, in-site measurement instrument mainly settles signal manifold by sedimentation magnet ring, geotechnical stratified and geotechnical stratified sedimentation sedimentation signal gathering unit forms, and distant place measuring instrument is mainly made up of remote receiver and PC host computers;Multiple hell integrated sensor array groups are settled into signal gathering unit into ground delaminating deposition, sedimentation magnet ring is distributed in the soil body, soil body sedimentation drives sedimentation magnet ring to follow sedimentation, magnetic field is detected by hell integrated sensor and is converted into electric signal, electric signal is transmitted in real time and re-sends to long-range host computer according to processing.The utility model, which is used to realize, settles online long-range measurement to underground geotechnical stratified, can give for the construction of the Rock soil Foundations such as live soil base, dykes and dams and correctly timely instruct well, so as to strong guarantee construction speed, construction quality and efficiency of construction.
Description
Technical field
The utility model designs a kind of rock of a kind of geotechnological measurement apparatus, specifically soil base, dykes and dams etc. application
Native delaminating deposition measurement apparatus.
Background technology
Earth roadbed geological conditions, embankment load-up condition and execution conditions all have certain complexity, it is difficult to every
Kind processing method carries out tight theory analysis, therefore can not just make accurate calculating in design, so can only often lead to
The monitoring in work progress and the quality inspection after the completion of construction are crossed to ensure construction quality.The sedimentation detection that scene largely uses
The main still monitoring to surface subsidence, such as infrared monitor, laser monitoring instrument of instrument.But these monitoring methods are still only
The sum total measurement of sedimentation is rested on, the instrument and method that on-line measurement is settled specific to underground geotechnical stratified are considerably less.
Monitoring pair settled with geotechnical stratified, the measuring instrument of onsite application is mainly by sedimentation magnet ring, electromagnetism sense at present
It should pop one's head in, survey the part such as chi composition.Sedimentation magnet ring is generally embedded in soil by the measuring principle of this electromagnetic type measuring instrument first,
Then manual utilization surveys chi and down send electromagnetic inductive probe along sedimentation pipe, when electromagnetic inductive probe runs into sedimentation magnet ring
Wait, system can send ring prompting, and then now scale surveys the registration and record of chi on hand for artificial naked-eye observation.So survey twice
The registration measured can with calculate sedimentation magnet ring sedimentation deformation and sinking speed.
The shortcomings that this measuring method and deficiency are that measurement accuracy is not high, and Monitoring Data amount is considerably less, and artificial one
Individual error of measured data is larger, and survey chi, signal cable line fatiguability fracture, and the larger cost of loss of mechanical structure is higher, can not
Realize intelligent on-line monitoring.
At present also have a kind of measuring method, measuring principle is substantially similar with electromagnetic type sedimentometer, have a little unlike it
With motor electromagnetic inductive probe is slowly sent to inside sedimentation pipe, and electromagnetic inductive probe monitoring switch state changes
Signal is uploaded to terrestrial wireless receiving module using wireless communication mode, and motor is utilized when ground receives this signal
Rotating speed and corresponding time relationship obtain the depth of sedimentation magnet ring decentralization.Although this monitoring method realizes does not need artificial meat
Eye, which is read, surveys chi registration, but can not still break away from the loss of mechanization, and motor long-play also brings along larger rotating speed
Error, accurate measurement can not be realized.And the phenomenon that data packetloss is necessarily had using wireless communication modes is occurred, data volume
Less and intractability is larger, and this can cause the accuracy of measurement to substantially reduce.
Above two metering system, which can not all be realized, settles accurate measurement to geotechnical stratified, can not realize that intellectuality is online and survey
Amount.
Utility model content
The purpose of this utility model be to solve current China is low to the automaticity of native settlement measurement, precision is not high,
The problems such as real-time online measuring can not be realized, design propose a kind of measurement apparatus of geotechnical stratified settling height.
The technical solution adopted in the utility model is:
Device includes in-site measurement instrument and distant place measuring instrument, and both are communicated by wireless sensing and connected, wherein:
Described in-site measurement instrument mainly settles signal manifold by sedimentation magnet ring, geotechnical stratified and geotechnical stratified settles
Signal gathering unit composition is settled, geotechnical stratified sedimentation sedimentation signal gathering unit is integrated by 1~n structure identical Hall
Sensor string is formed by connecting, and all hell integrated sensors are each attached on mark post and are placed in sedimentation pipe, sedimentation magnet ring suit
Outside sedimentation pipe, sedimentation pipe and sedimentation magnet ring are vertically arranged in the soil body together, and it is multiple heavy to be set with uniformly at intervals along sedimentation pipe
Magnet ring drops;Spacing between per two adjacent hell integrated sensors is equal;Each hell integrated sensor passes through
RS-485 buses are connected to geotechnical stratified sedimentation signal manifold, and signal manifold is settled to the integrated sensing of Hall by geotechnical stratified
Device carries out Communication Control;
Described distant place measuring instrument is mainly made up of remote receiver and PC host computers, one end of remote receiver
It is connected with reception antenna, the other end is connected with PC host computers.
Described geotechnical stratified sedimentation sedimentation signal gathering unit includes hell integrated sensor, signal filter circuit, letter
Number amplifying circuit, bus communication module, A/D change-over circuits and MCU module;Hell integrated sensor amplifies electricity through signal successively
MCU module, MCU module and bus communication module are connected to after road, signal filter circuit, bus communication module, A/D change-over circuits
Connection,
Described geotechnical stratified sedimentation signal manifold includes MCU module, bus communication module, memory module, display mould
Block, GPS measurement modules and remote communication module;MCU module respectively with GPS measurement modules, remote communication module, bus communication mould
Block is connected with memory module, and the bus communication module that MCU module connects through itself is settled by RS-485 buses to geotechnical stratified
The bus communication module of sedimentation signal gathering unit sends control signal, and measurement in real time is sent to PC by remote communication module
Information.
Described sedimentation magnet ring is annular permanent magnet structure.
Multiple hell integrated sensor array groups are settled into signal gathering unit into ground delaminating deposition, by sedimentation magnet ring point
For cloth in the soil body, soil body sedimentation drives sedimentation magnet ring to follow sedimentation, and signal acquisition sensing unit ambient magnetic field strength can be caused to send out
Change corresponding to raw, surrounding magnetic field power is detected by hell integrated sensor using Hall effect and is converted into electric signal, is adopted
Electric signal is sent to geotechnical stratified sedimentation signal manifold, geotechnical stratified sedimentation signal in real time with RS-485 bus communication modes
Manifold carries out data processing to electric signal.
Described geotechnical stratified sedimentation sedimentation signal gathering unit transmitting telecommunication number is transmitted with RS485 buses.This
Kind transmission means is different from listens to the wireless sending module of ring prompting and underground to switching signal progress nothing using artificial ear
Line sends both modes.This mode can both improve the reliability of data signal transmission, can ensure signal transmission again
Promptness.
RS485 communication modes can be substantially the existing transmission of change accuracy and real-time.The survey at scene now
It is to hear ring prompting using artificial ear to measure instrument first, and another is that the wireless sending module of underground enters to switching signal
Row wireless transmission.The phenomenon of data packetloss occurs in this communication modes, inevitably results in the problem of data volume is inaccurate.And this
Utility model is transmitted using RS485 buses to experimental data, efficiency of transmission is high, highly reliable, accuracy is larger and
When property will get well more than wirelessly.
Described sedimentation magnet ring is annular permanent magnet structure.The utility model uses annular permanent magnet structure, compare with
The particle Small Cylindrical set of permanent magnets of job site three has advantage simple in construction, installation operation is cheap into equilateral triangle at present,
It can be very good to ensure the stability for settling magnet ring inside center point magnetic induction intensity;Even if it can ensure to settle magnet ring and sedimentation
Relative torsion displacement occurs between pipe also will not produce any influence to the magnetic induction intensity of central point.
The utility model is the Physical Mechanisms such as integrated use Hall effect, undesirable mutual electromagnetic inductance, with reference to RS-485 bus transfer sides
Formula and GPS teledatas technology of sharing and the device proposed.The defeated of signal acquisition integrated unit is settled by measuring geotechnical stratified
Go out signal, and then effectively transmitted using RS-485 buses.
The technology that the utility model uses no longer be just with electromagnetic inductive probe close to sedimentation magnet ring close to principle,
This monitoring electromagnetic inductive probe distance of reaction is very small, can only monitor the distance of very little.The utility model is to utilize Hall
Effect principle, as long as a little sedimentation deformation occurs for sedimentation magnet ring, then the magnetic induction intensity around hall device is just bound to
Change, so Hall collector output signal will change, such words can carries out accurate to sedimentation magnet ring
Positioning.
The utility model replaces existing triangle magnet form using complete sedimentation magnet ring.Generally all use plastics at present
Three built-in small permanent magnets of ring, are arranged in equilateral triangle, but this arrangement will necessarily have inaccurate possibility.And this
The sedimentation magnet ring that utility model uses is a special complete annular cylindrical permanent magnet customized, so can be very good to ensure
It is uniform that the magnetic induction intensity inside magnet ring, which is settled, in central point, thus can be very good to solve because sedimentation pipe and sedimentation
The influence that magnet ring occurs relative rotary displacement and causes Hall collection signal to change to measurement, measurement effect is more than existing three
Angle magnet is much better, accurately more.
There is no any moving component in the utility model structure in sedimentation pipe, only only between sedimentation ring and sedimentation pipe
Relative motion relation be present, and solve existing other systems or device employ measure caused by motion structure it is inaccurate
The problem of, avoid interference and error that moving component is brought.
The utility model has an advantageous effect in that:
The utility model, which can be realized, settles accurate measurement to underground geotechnical stratified, it is possible to achieve at present with other devices without
What method was realized measures geotechnical stratified sedimentation on-line continuous, so as to be that the construction of the soil bases such as dam, road carries well
It is provided with effect construction to instruct, efficiency of construction and quality can be ensured well.
The utility model can realize networking on-line measurement, can greatly increase measurement accuracy, efficiency and quality,
Improve measuring environment, improve the technical merit of measurement.
Brief description of the drawings
Fig. 1 is the utility model measurement apparatus overall construction drawing;
Fig. 2 is the structured flowchart of geotechnical stratified sedimentation signal acquisition integrated unit;
Fig. 3 is the structured flowchart of geotechnical stratified sedimentation signal manifold;
Fig. 4 is embodiment test schematic diagram.
In figure:1:Sedimentation pipe, 2:Geotechnical stratified sedimentation sedimentation signal gathering unit, 3:Mark post, 4:Sedimentation is not subjected to displacement
Basement rock, 5:Settle magnet ring, 6:Test sedimentation magnet ring, 7 and 8:Hell integrated sensor.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model includes in-site measurement instrument and distant place measuring instrument, both are led to by wireless sensing
News connection.
As shown in figure 1, in-site measurement instrument mainly settles signal manifold and ground point by sedimentation magnet ring 5, geotechnical stratified
Layer settles sedimentation signal gathering unit composition, and sedimentation magnet ring 5 is annular permanent magnet structure, and geotechnical stratified sedimentation settles signal acquisition
Unit 2 is formed by connecting by 1~n structure identical hell integrated sensor string, and all hell integrated sensors are each attached to
It is placed on mark post 3 in sedimentation pipe 1, sedimentation magnet ring 5 is sleeved on outside sedimentation pipe 1, and sedimentation pipe 1 and sedimentation magnet ring 5 are vertically put together
In the soil body, multiple sedimentation magnet rings 5 are set with uniformly at intervals along sedimentation pipe 1.It is live in practical application, settle the quantity of magnet ring
Three be not limited only in Fig. 1 can be distributed as required.The more of magnet ring distribution are settled, geotechnical stratified is settled
Measurement will more refine, will be more accurate to the settlement measurement of whole soil layer.
Spacing between per two adjacent hell integrated sensors is equal, and hell integrated sensor, which is used to measure, to be settled
Magnet ring settles particular displacement;Each hell integrated sensor is to be connected to geotechnical stratified by RS-485 buses to settle signal remittance
Storage, signal manifold is settled by geotechnical stratified Communication Control is carried out to hell integrated sensor, geotechnical stratified sedimentation signal converges
Storage is connected with transmitting antenna;
Distant place measuring instrument is mainly made up of remote receiver and PC host computers, one end of remote receiver and reception
Antenna is connected, and the other end is connected with PC host computers.
As shown in Fig. 2 the geotechnical stratified sedimentation sedimentation signal gathering unit of specific implementation includes hell integrated sensor, letter
Number filter circuit, signal amplification circuit, bus communication module, A/D change-over circuits and MCU module;Hell integrated sensor it is defeated
Exit port is connected to signal amplification circuit, and the output port of signal amplification circuit is connected with the input port of signal filter circuit,
The output port of signal amplification circuit is connected with the input port of A/D drive modules, the output port of A/D drive modules with
MCU controllers are connected, and MCU controllers are connected with bus communication module;Hell integrated sensor is successively through signal amplification circuit, letter
MCU module is connected to after number filter circuit, bus communication module, A/D change-over circuits, MCU module is connected with bus communication module,
As shown in figure 3, the geotechnical stratified sedimentation signal manifold of specific implementation includes MCU module, bus communication module, deposited
Store up module, display module, GPS measurement modules and remote communication module;MCU module respectively with GPS measurement modules, telecommunication mould
Block, bus communication module connect with memory module, the bus communication module that MCU module connects through itself by RS-485 buses to
The bus communication module of geotechnical stratified sedimentation sedimentation signal gathering unit sends control signal, by remote communication module to PC
Send real-time measured information.
After geotechnical stratified sedimentation signal manifold obtains the acquisition control signal of PC, by RS-485 buses to ground
Delaminating deposition sedimentation signal gathering unit sends the control signal for collection, corresponding geotechnical stratified sedimentation sedimentation signal acquisition
Unit will be met with a response, and sedimentation magnet ring 5 is sent out with the hell integrated sensor in geotechnical stratified sedimentation sedimentation signal gathering unit
Give birth to along during the relative displacement of soil body vertical direction, the MCU of sensor internal will measure sedimentation magnet ring along sedimentation pipe axial direction
That is the vertical sedimentation displacement x of soil body vertical direction.
Information transfer side between geotechnical stratified sedimentation sedimentation signal gathering unit 2 and geotechnical stratified sedimentation signal manifold
Formula is transmitted with RS485 buses.
The utility model embodiment and its implementation process are as follows:
System testing is to build test platform first, test platform sedimentation pipe fixed first and spud pile, respectively by ground
Delaminating deposition signal acquisition integrated unit is arranged on spud pile.It is currently moving up and down come mould with motor driven sedimentation magnet ring
Intend soil body sedimentation.Fig. 4 is experiment test platform schematic diagram.
As shown in figure 4, the utility model specific implementation be using multiple geotechnical stratifieds sedimentation signal acquisition integrated unit and
Magnet ring is settled, signal acquisition integrated unit is equidistantly fixed in the sedimentation pipe fixed, sedimentation pipe is integrally fixed at vacation
If not as soil is settled on the basement rock 4 that sedimentation deformation occurs, test sedimentation magnet ring 6 is embedded in soil.
Settled using soil and drive test sedimentation magnet ring 6, so that geotechnical stratified sedimentation signal acquisition integrated unit and sedimentation
The relative displacement of vertical direction occurs for magnet ring, therefore the Distribution of Magnetic Field around geotechnical stratified sedimentation signal acquisition integrated unit will
Change, in the presence for being due to Hall effect so collecting unit will export specific electric signal.It is total using RS-485
The data-signal of all collecting units is uploaded to geotechnical stratified sedimentation signal manifold by line mode.And by situ measurements
The PC in a distant place is sent to by GPS or GSM, the geotechnical stratified sedimentation situation of change in measured zone can be depicted on PC
With specific coordinate value, the measurement settled from ground to underground geotechnical stratified is realized.
Experiment test is that geotechnical stratified fixed first settles this number collecting unit, and the distance between each unit is fixed on
8cm, controlled motor make sedimentation magnet ring down be settled in the x-direction since 0, and record is deposited to the experiment at 100cm respectively
Data.It can be seen that collecting unit output signal is the present invention as sedimentation deformation is continually changing from effective test data of experiment
The accurate measurement to sedimentation deformation can be realized.
Claims (3)
- A kind of 1. underground geotechnical stratified settlement measuring device, it is characterised in that:Including in-site measurement instrument and distant place measuring instrument, Both are communicated by wireless sensing and connected, wherein:Described in-site measurement instrument mainly settles signal manifold by sedimentation magnet ring (5), geotechnical stratified and geotechnical stratified settles Settle signal gathering unit composition, geotechnical stratified sedimentation sedimentation signal gathering unit (2) mainly by 1~n structure identical suddenly You are formed by connecting at integrated sensor string, and all hell integrated sensors are each attached on mark post (3) and are placed in sedimentation pipe (1), Sedimentation magnet ring (5) is sleeved on sedimentation pipe (1) outside, and sedimentation pipe (1) and sedimentation magnet ring (5) are vertically arranged in the soil body together, along sedimentation Pipe (1) is set with multiple sedimentation magnet rings (5) uniformly at intervals;Spacing between per two adjacent hell integrated sensors is equal 's;Each hell integrated sensor is all connected to geotechnical stratified sedimentation signal manifold, and signal manifold is settled by geotechnical stratified Communication Control is carried out to hell integrated sensor;Described distant place measuring instrument is mainly by remote receiver and the upper units of PC Into one end of remote receiver is connected with reception antenna, and the other end is connected with PC host computers.
- A kind of 2. underground geotechnical stratified settlement measuring device according to claim 1, it is characterised in that:Described ground point Information transmission mode between layer sedimentation sedimentation signal gathering unit (2) and geotechnical stratified sedimentation signal manifold is to use RS485 Bus is transmitted.
- A kind of 3. underground geotechnical stratified settlement measuring device according to claim 1, it is characterised in that:Described sedimentation magnetic Ring (5) is annular permanent magnet structure.
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CN201721125354.4U CN207113861U (en) | 2017-09-04 | 2017-09-04 | A kind of geotechnical stratified settlement measuring device |
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CN201721125354.4U CN207113861U (en) | 2017-09-04 | 2017-09-04 | A kind of geotechnical stratified settlement measuring device |
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Cited By (4)
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CN109931108A (en) * | 2019-04-02 | 2019-06-25 | 中国十七冶集团有限公司 | A kind of jacking construction compound stratum soil body settlement monitoring method for early warning and observation bar |
GB2582628A (en) * | 2019-03-28 | 2020-09-30 | Scott Daniel | A ground movement monitoring system and method |
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 |
CN116804546A (en) * | 2023-08-22 | 2023-09-26 | 天津市北洋水运水利勘察设计研究院有限公司 | Magnetic induction type resistor grid layered displacement monitoring method and system |
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2017
- 2017-09-04 CN CN201721125354.4U patent/CN207113861U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2582628A (en) * | 2019-03-28 | 2020-09-30 | Scott Daniel | A ground movement monitoring system and method |
WO2020193783A1 (en) * | 2019-03-28 | 2020-10-01 | Daniel Scott | A ground movement monitoring system and method |
CN109931108A (en) * | 2019-04-02 | 2019-06-25 | 中国十七冶集团有限公司 | A kind of jacking construction compound stratum soil body settlement monitoring method for early warning and observation bar |
CN109931108B (en) * | 2019-04-02 | 2020-11-24 | 中国十七冶集团有限公司 | Monitoring and early warning method for settlement of soil body in composite stratum in pipe jacking construction and observation rod |
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 |
WO2022053073A1 (en) * | 2020-09-08 | 2022-03-17 | 中国计量大学 | Underground three-dimensional displacement measurement system and method based on double mutual inductance equivalent voltage |
CN116804546A (en) * | 2023-08-22 | 2023-09-26 | 天津市北洋水运水利勘察设计研究院有限公司 | Magnetic induction type resistor grid layered displacement monitoring method and system |
CN116804546B (en) * | 2023-08-22 | 2023-11-10 | 天津市北洋水运水利勘察设计研究院有限公司 | Magnetic induction type resistor grid layered displacement monitoring method and system |
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