CN103713334B - A kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction - Google Patents

A kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction Download PDF

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CN103713334B
CN103713334B CN201410006702.0A CN201410006702A CN103713334B CN 103713334 B CN103713334 B CN 103713334B CN 201410006702 A CN201410006702 A CN 201410006702A CN 103713334 B CN103713334 B CN 103713334B
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control module
division multiplex
time division
tunneler
module
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CN103713334A (en
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聂利超
李术才
张永恒
刘斌
刘征宇
葛尚奇
王秀凯
张诺亚
高博洋
梅宇
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Shandong Bai20 Huitong Engineering Technology Co ltd
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Shandong University
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Abstract

The invention discloses a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction, the core cell of this device includes:Multi-functional parallel combination host computer control module, time division multiplex control module, driving source control module and parallel high-speed acquisition module.Wherein, driving source controller is integrated with sharp electricity constant current-supplying circuit, elasticity involves seismoelectric road and three parts of radar wave triggers circuit;High speed acquisition module is made up of with radar wave receiving channel induced polarization measurement passage seismic wave sensing passage.Present invention achieves the plesiochronous detection of multiple probe units, overcome power supply unit simultaneously and weakness gathers the interference problem of signal, realize the integrated and integrated of Comprehensive Geophysics detection instrument and tunneler, improve detection efficient and the detection accuracy of tunneler.

Description

A kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction
Technical field
The present invention relates to a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction.
Background technology
With the progress of social development and science and technology, in terms of tunnel excavation, the usage frequency of tunneler increases greatly Plus, the detection for the geological condition in front of it is also urgently to be resolved hurrily, and Geological Advanced Prediction prospecting instrument emerges in an endless stream, but The device of tunneler is sufficiently complex, and cutterhead repacking space and advanced prediction time are extremely limited, tunneler construction advanced Call time in advance only 1 hour about, but existing detection mode is generally single method and detects, and wastes time and energy and can not meet Fast and accurately detect the requirement of the unfavorable geologic body in front of development machine.
In order to realize tunneler Geological Advanced Prediction high-efficient detection, integrated, integrated measurement control need to be developed Multi-function device processed, realizes the synchronizing detection simultaneously of multiple probe units, improves detection accuracy, improves detection efficient, meets tunnel On the premise of the time of development machine forward probe is extremely short, realizes Comprehensive Geophysics under the conditions of tunneler construction and detect.
Content of the invention
The present invention, in order to solve the above problems, realizes the high-efficient detection of tunneler Geological Advanced Prediction, proposes one Plant the time division multiplex combined apparatus for tunneler Geological Advanced Prediction, it is many that the present invention uses time-multiplexed method to realize Type geophysical exploration unit(Minimum offset distance Elastic-Wave Measuring unit, the three-dimensional induced polarization exploration unit of focusing, boring are fixed To radar detection unit)Integrated carry out with the plesiochronous of detection method, thus it is advanced to substantially increase tunneler geology Forecast detection efficient, meets construction requirement.
To achieve these goals, the present invention adopts the following technical scheme that:
A kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction, including multi-functional parallel combination master Machine control module, time division multiplex control module, driving source control module and parallel data acquisition module, wherein:
Described time division multiplex control module, receives the control instruction that multi-functional parallel combination host computer control module sends, when Divide Multiplexing module that instruction is identified, and be sent to driving source control module by detecting control instruction, by data acquisition instructions It is sent to parallel data acquisition module;
Described driving source control module, receives the instruction that time division multiplex control module transmits, after analyzing and processing, according to parsing Content, sends commands to power control module, the control module that impulses and electromagnetic radiation control module;
Described parallel data acquisition module, receives the instruction that time division multiplex control module transmits, with measurement control module, biography Sense acquisition control module, electromagnetic wave receive control module communication.
Described power control module, receives the order of driving source control module, connects multichannel electric current constant current intelligent sensing control and supplies Electric module, the constant electric current output of modulation multichannel.
The described control module that impulses, receives the order of driving source control module, produces and drives magnetostriction to impulse circuit Pulse current, is connected with the magnetostriction circuit that impulses.
Described electromagnetic radiation control module, receives the order of driving source control module, control radar ripple triggers circuit, produces The raw high-voltage pulse current driving electromagnetic field emissions.
Described measurement control module, gathers the data swashing electricity multi-channel measurement circuit, and is transmitted to parallel data and adopt Collection module.
Described sensing acquisition control module, gathers the data of elastic wave sensing passage, and is transmitted to parallel data and adopt Collection module.
Described electromagnetic wave receives control module, and collection radar wave receives the data of acquisition module, and is transmitted to parallel Data acquisition module.
Described multichannel electric current constant current intelligent sensing control supply module, sharp electricity multi-channel measurement circuit, are visited with three-dimensional induced polarization Survey unit to connect.
Described radar wave triggers circuit, radar wave receive acquisition module and connect boring beam radar probe unit.
Described elastic wave sensing passage, magnetostriction impulse circuit, are connected with minimum offset distance Elastic-Wave Measuring unit.
One kind adopts above-mentioned time division multiplex combined apparatus, and its specific works method is:Minimum offset distance Elastic-Wave Measuring list The data acquisition of each of unit, the three-dimensional induced polarization exploration unit of focusing and boring beam radar probe unit probe unit, There is the waiting time in the collection gap of two data measuring points, waiting time depends on the movement time of measuring point switching machinery, Within waiting time, time division multiplex combined apparatus carry out the data collection task to another probe unit, that is, wherein one The gap of probe unit data acquisition carries out the data acquisition of another kind of probe unit.
The operation principle of the present invention is:By using time-multiplexed method, realizing minimum offset distance Elastic-Wave Measuring list Unit, focus on three-dimensional induced polarization exploration unit and the integrated plesiochronous with detection of boring beam radar probe unit is carried out.Specifically Implementation is:When each probe unit measures, when there is certain wait in the collection gap of two data measuring points Between, waiting time depends on measuring point and switches mechanical movement time, and within waiting time, device is carried out to another probe unit Data collection task, that is, the gap of a probe unit data acquisition wherein carry out the data of another kind of probe unit and adopt Collection, it is achieved thereby that all having probe unit to be detected in different time sections in whole detection process, reaches plesiochronous detection Function.The present invention realizes the plesiochronous detection of time division multiplex of two or three detection method, greatly improves detection efficient, meets The extremely short requirement of time of tunneler forward probe, so that Comprehensive Geophysics under the conditions of tunneler construction is detected, become can Energy.
Beneficial effects of the present invention are:
1st, the present invention have " time division multiplex detection " function high speed combination main frame, realize the integrated of each probe unit with Plesiochronous detection, improves detection efficient and precision.
2nd, present invention employs high pressure polyethylene insulated body, copper mesh, polrvinyl chloride separation sleeve achieve power supply high current pair Light current gathers the interference problem of signal.
Brief description
Fig. 1 is the structural representation of the present invention.
Wherein, 1. multi-functional parallel combination host computer control module, 2. time division multiplex control module, 3. driving source control mould Block, 4. parallel data acquisition module, 5. power control module, 6. measure control module, 7. impulse control module, 8. sensing acquisition Control module, 9. electromagnetic radiation control module, 10. electromagnetic wave reception control module, 11. multichannel electric current constant current intelligent sensing control supply Electric module, 12. swash electricity multi-channel measurement circuit, and 13. magnetostriction impulse circuit, 14. elastic wave sensing passages, 15. radar waves Triggers circuit, 16. radar waves receive acquisition module, 17. three-dimensional induced polarization exploration units, 18. three-component geophones, 19. magnetic Cause flexible vibration exciter, 20. boring beam radar probe units.
Specific embodiment:
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, its core cell includes:Multi-functional parallel combination host computer control module 1, time division multiplex control mould Block 2, driving source control module 3 and parallel data acquisition module 4, wherein, the integrated power control module of driving source control module 5th, the control module that impulses 7, electromagnetic radiation control 9 three parts;Parallel data acquisition module 4 is by measurement control module 6, sensing Acquisition control module 8, electromagnetic wave receive control module 10 3 part composition.
Time division multiplex control module 2, is instructed through multi-functional parallel combination host computer control module 1 according to geological state Send, using time division multiplex exploration policy, select two of which or three probe units and when measuring point switching is with mechanical action Implement plesiochronous control and excite, thus completing the automatically working mode of multiple detection modes.After the completion of detecting, timesharing is multiple Receive the parallel reception instruction from multi-functional parallel combination host computer control module 1 with control module 2, instruction is interpreted and reaches Parallel data acquisition module 4, realizes the data acquisition to multiple probe units.
Driving source control module 3 mainly realizes multifunctional combination main frame and power control module 5, the control module that impulses 7, electricity Communication-cooperation between magnetic wave emission control module 9 and control.Multi-functional parallel combination host computer control module 1 is passed through to send parallel Control instruction to time division multiplex control module 2, and through time division multiplex control module 2 transmitting control commands to driving source control module 3, driving source control module 3 receives after ordering and parsing, and according to address resolution content, related command is sent to corresponding control Module, thus realizing power control module 5, the control module that impulses 7, the control of electromagnetic radiation control module 9 and exciting.
Three control process, multichannel electric current constant current intelligent sensing control supply module 11, the constant High-current output of modulation multichannel; After the control module that impulses 7 receives and parses through control instruction, drive the control module 7 that impulses to produce and drive magnetostriction to impulse circuit 13 Pulse current;Electromagnetic radiation control module 9 control radar ripple triggers circuit 15, produces the high-tension pulse driving electromagnetic field emissions Rush electric current, thus realize multi-functional parallel combination host computer control module 1 controlling to the combination between each control module.
Three kinds of probe units, focus on three-dimensional induced polarization exploration unit, minimum offset distance Elastic-Wave Measuring unit, hole and determine To radar detection unit, minimum offset distance Elastic-Wave Measuring unit includes three-component geophone 18, magnetostriction vibration exciter 19, In the case that these three probe units are detected, there is power supply high current and data acquisition signal simultaneously, wherein supply TV university electricity Flow for forceful electric power signal, data acquisition signal is weak electric signal, certainly exists the interference problem to weak electric signal for the forceful electric power signal.In order to Avoid this interference, employ high pressure polyethylene insulated body, copper mesh, polrvinyl chloride separation sleeve, achieve strong and weak telecommunications well Number excite and gather, thus ensure that the correctness of the data that final parallel data acquisition module is gathered.
By using time-multiplexed method, realizing minimum offset distance Elastic-Wave Measuring unit, focusing on three-dimensional induced polarization Probe unit and the integrated plesiochronous with detection of boring beam radar probe unit are carried out.Specific implementation is:Each is visited When survey unit measures, there is certain waiting time in the collection gap of two data measuring points, waiting time depends on Measuring point switches mechanical movement time, and in waiting time, device carries out the data collection task to another probe unit, that is, at it In the gap of a probe unit data acquisition carry out the data acquisition of another kind of probe unit, it is achieved thereby that detecting whole During all have probe unit to be detected in different time sections, reach the function of plesiochronous detection.The present invention realize two kinds or The plesiochronous detection of time division multiplex of three kinds of detection methods, greatly improves detection efficient, meet tunneler forward probe when Between extremely short requirement, so that Comprehensive Geophysics under the conditions of tunneler construction is detected and be possibly realized.
After the completion of all probe units, multi-functional parallel combination host computer control module 1 sends parallel acquisition order, through when Point multiplexing control module 2 reaches parallel data acquisition module 4, completes to measurement control module 6, sensing acquisition control module 8, electricity Magnetic wave receives the high speed acquisition function of control module 10.
Three gatherer processes, swash electricity multi-channel measurement circuit 12 through measuring control module 6, elastic wave sensing passage 14 is through passing Sense acquisition control module 8, radar wave receives acquisition module 16 and receives control module 10 through electromagnetic wave, in multi-functional parallel combination master Under the parallel acquisition control instruction of machine control module 1, then through parallel data acquisition module 4, all detection data signals are carried out Collection, be finally completed the synchronous signal acquisition to data, magnetostriction impulse circuit 11, swash electricity multi-channel measurement circuit 12, adopt The information of the three-dimensional induced polarization exploration unit 17 of collection, radar wave triggers circuit 15, radar wave receive acquisition module 16 collection boring The information of beam radar probe unit 20, minimum offset distance Elastic-Wave Measuring unit includes three-component geophone 18, magnetostriction Vibration exciter 19;Elastic wave sensing passage 14 gather three-component geophone 18 information, magnetostriction impulse circuit 13 collection mangneto The information of flexible vibration exciter 19.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not model is protected to the present invention The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not Need to pay the various modifications that creative work can make or deformation still within protection scope of the present invention.

Claims (8)

1. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction, is characterized in that:Including multi-functional simultaneously Row combination host computer control module, time division multiplex control module, driving source control module and parallel data acquisition module, wherein:
Described time division multiplex control module, receives the control instruction that multi-functional parallel combination host computer control module sends, and the time-division is multiple With control module, instruction is identified, and is sent to driving source control module by detecting control instruction, by data acquisition instructions It is sent to parallel data acquisition module;
Described driving source control module, receives the instruction that time division multiplex control module transmits, after analyzing and processing, according in parsing Hold, send commands to power control module, the control module that impulses and electromagnetic radiation control module;
Described parallel data acquisition module, receives the instruction that time division multiplex control module transmits, and adopts with measurement control module, sensing Collection control module, electromagnetic wave receive control module communication;
Described power control module, connects multichannel electric current constant current intelligent sensing control supply module, and described multichannel electric current constant current is intelligently felt Control supply module is connected with three-dimensional induced polarization exploration unit;
Described sensing acquisition control module, the data of collection elastic wave sensing passage, and it is transmitted to parallel data acquisition mould Block, described elastic wave sensing passage is connected with minimum offset distance Elastic-Wave Measuring unit;
Described electromagnetic wave receives control module, and collection radar wave receives the data of acquisition module, and is transmitted to parallel data Acquisition module, described radar wave receives acquisition module and connects boring beam radar probe unit;
When each probe unit measures, there is certain waiting time in the collection gap of two data measuring points, this etc. The time for the treatment of depends on measuring point and switches mechanical movement time, and within waiting time, described time division multiplex combined apparatus are carried out to another The data collection task of one probe unit, that is, the gap of a probe unit data acquisition wherein carry out another kind of probe unit Data acquisition, it is achieved thereby that all having probe unit to be detected in different time sections in whole detection process.
2. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction as claimed in claim 1, it is special Levying is:Described power control module, receives the order of driving source control module, connects multichannel electric current constant current intelligent sensing control and powers mould Block, the constant electric current output of modulation multichannel.
3. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction as claimed in claim 1, it is special Levying is:The described control module that impulses, receives the order of driving source control module, produces the pulse driving magnetostriction to impulse circuit Electric current, is connected with the magnetostriction circuit that impulses.
4. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction as claimed in claim 1, it is special Levying is:Described electromagnetic radiation control module, receives the order of driving source control module, control radar ripple triggers circuit, produces Drive the high-voltage pulse current of electromagnetic field emissions.
5. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction as claimed in claim 2, it is special Levying is:Described multichannel electric current constant current intelligent sensing control supply module and sharp electricity multi-channel measurement circuit, with three-dimensional induced polarization exploration Unit connects.
6. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction as claimed in claim 4, it is special Levying is:Described radar wave triggers circuit, radar wave receive acquisition module and connect boring beam radar probe unit.
7. a kind of time division multiplex combined apparatus for tunneler Geological Advanced Prediction as claimed in claim 3, it is special Levying is:Described elastic wave sensing passage, magnetostriction impulse circuit, are connected with minimum offset distance Elastic-Wave Measuring unit.
8. a kind of method of work using the time division multiplex combined apparatus as any one of claim 1-7, is characterized in that: Each of minimum offset distance Elastic-Wave Measuring unit, three-dimensional induced polarization exploration unit and boring beam radar probe unit are visited Survey the data acquisition of unit, have the waiting time in the collection gap of two data measuring points, waiting time cuts depending on measuring point Change planes movement time of tool, within waiting time, time division multiplex combined apparatus carry out the data acquisition to another probe unit Work, that is, the gap of a probe unit data acquisition wherein carries out the data acquisition of another kind of probe unit.
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