CN104536040B - TSP acoustic controls trigger system - Google Patents
TSP acoustic controls trigger system Download PDFInfo
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- CN104536040B CN104536040B CN201410803787.5A CN201410803787A CN104536040B CN 104536040 B CN104536040 B CN 104536040B CN 201410803787 A CN201410803787 A CN 201410803787A CN 104536040 B CN104536040 B CN 104536040B
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- tsp
- intermediate plate
- trigger
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- acoustic control
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Abstract
System is triggered the present invention relates to a kind of TSP acoustic controls, the system includes trigger, delay detonator, acoustic control trigger, TSP recording units and TSP receiving units, wherein：Described trigger is connected with delay detonator, controls the blast of delay detonator；Described acoustic control trigger is connected with TSP recording units, and TSP recording units are connected with TSP receiving units；After trigger ignites delay detonator, the acoustic signals that delay detonator is produced open acoustic control trigger, and acoustic control trigger sends start record signal and gives TSP recording units, the seismic data that TSP recording unit start recording TSP receiving units are received.Effective to avoid when carrying out TSP geologic predictions using delay detonator, seismic reflection signal record is imperfect caused by the sending too early of original records signal, and record time error caused by delay detonator burst time difference.In addition, this TSP original records signal acoustic control triggers also have the advantages that reasonable in design, easy to operate and cost are relatively low.
Description
Technical field
The invention belongs to technical field of tunnel construction, more particularly to a kind of TSP signal records acoustic control triggering system.
Background technology
Advance geologic prediction forecasts face in time as tunnel information dynamic design and indispensable part of constructing
Front adverse geological condition, to adopt an effective measure in advance, it is to avoid the generation of geological disaster, it is ensured that the safety of constructing tunnel,
Have been obtained for the extensive approval of engineering circles.Tunnel seismic prospecting method (TSP) is construction time lossless long-term advance geologic prediction
One of main method, has become one of most widely used forecasting procedure in major long tunnel information-aided construction.This method be
(focal point is usually located at a side wall in tunnel to the focal point of design, about sets in 24 focus blastholes, each detection blasthole
Place with leaded explosive or detonator) generation seismic wave is excited with small-scale blast, seismic signal is along tunnel direction with ball
The form of face ripple is propagated, and seismic signal seismic wave in different rock-layers is propagated at different rates, when running into wave impedance of rock
During differential boundary, a part of seismic signal will be reflected, and another part seismic signal, which is then transmitted into front medium, to be continued
Propagate.The seismic signal reflected will be received by high sensitivity geophone, then by TSP win software analysis before
Square rock property, joint fissure distribution, soft stratum and water status etc., finally show various country rock structural interfaces and tunnel axle
The intersecting angle presented of line and the distance away from face, it is possible to which modulus of elasticity, density, Poisson's ratio of Preliminary Determination rock etc. are joined
Number is for ginseng.Tunnel seismic prospecting method (TSP), when in use only using detonation electric cap device immediately, Cai Nengzhun
The reception time for calculating reflected signal really simultaneously intactly receives transmission signal, so as to correctly analyze advance geologic situation.
However, due to the relevant regulations of the Ministry of Public Security, detonating capsule used in job site is generally delay electric detonator instantly, and due to system
Make the defect of technique, the priming network design time of each detonator is uneven, cause reflected signal to pass the time back and often examined beyond earthquake
The time interval that ripple device is received, causes most of reflected signal missing and transmission signal to reach time error, gives later stage TSPwin
Processing of the software to data causes insoluble difficulty.
The content of the invention
For defect of the prior art and deficiency, it is able to ensure that tunnel earthquake is surveyed it is an object of the invention to provide one kind
Spy method (TSP) is when using delayed ignition detonator as focus, and geophone can completely and accurately receive reflected signal
A kind of TSP acoustic controls triggering system.
To reach above-mentioned purpose, the technical scheme that the present invention takes is：
A kind of TSP acoustic controls trigger system, and the system includes trigger, delay detonator, acoustic control trigger, TSP recording units
With TSP receiving units, wherein：
Described trigger is connected with delay detonator, controls the blast of delay detonator；
Described acoustic control trigger is connected with TSP recording units, and TSP recording units are connected with TSP receiving units；
After trigger ignites delay detonator, the acoustic signals that delay detonator is produced open acoustic control trigger, and acoustic control is touched
Hair device sends start record signal and gives TSP recording units, the earthquake that TSP recording unit start recording TSP receiving units are received
Wave number evidence.
Specifically, described acoustic control trigger passes through audio-switch control for trigger is connected with audio-switch
The unlatching of trigger, the MIC microphone models ECM4015-L of audio-switch.
In addition, the system also includes acoustic control trigger support, described acoustic control trigger support includes connecting rod, slidably
Fastener and fixed fastener, slidably fastener is perpendicular to one end for being axially mounted to connecting rod of connecting rod, fixed fastener perpendicular to
The other end for being axially mounted to connecting rod of connecting rod, acoustic control trigger is arranged on company slidably between fastener and fixed fastener
On extension bar, slidably fastener is fixed in the adjacent inoperative borehole of work borehole, and fixed fastener is fastened on work borehole
It is interior；
The acoustic signals of delay detonator pass to acoustic control trigger by acoustic control trigger support on work borehole.
Specifically, described connecting rod is with reeded rod component, the groove of the rod component is along rod component
It is axially arranged, and it is axially arranged with chute along groove；
Described slidably fastener includes first intermediate plate, second intermediate plate, slide plate and chute, and first intermediate plate is vertical by slide plate
In the axially arranged of connecting rod, and first intermediate plate along chute can enter line slip by slide plate, and second intermediate plate is parallel with first intermediate plate
Set, second intermediate plate along chute can enter line slip by slide plate；
Described fixed fastener includes the 3rd intermediate plate, and the 3rd intermediate plate is set perpendicular to the axial restraint of connecting rod.
Further, spring is fixed between described first intermediate plate and second intermediate plate, and the junction of second intermediate plate and slide plate is set
There is hinge.
Or, described first intermediate plate, second intermediate plate are identical with the shape of the 3rd intermediate plate and are half slot component.
Or, it is provided with outside described first intermediate plate outside anti-skid rubber cushion, described second intermediate plate and is provided with anti-slip rubber
Anti-skid rubber cushion is provided with outside pad, the 3rd described intermediate plate.
Compared with prior art, the advantage of the invention is that：
(1) the TSP signal records acoustic control triggering system that the present invention is provided, the knob for replacing manually controlling using audio-switch
Switch, starts TSP repacking triggering boxes in blasting cap detonation moment and sends an accurate home record signal to recording unit, make quick-fried
The fried seismic reflection signal produced complete documentation by accurate；Wall exempt from TSP triggering boxes prematurely send original records signal and
Cause reflected signal arrival time beyond the dropout caused by the record time and the length due to the delay detonator burst time
Reflected signal records the error of time caused by differing.
(2) by the setting of acoustic control trigger support, acoustic control trigger is accurately arranged on blasthole to be measured and idle big gun
Kong Jian, it is possible to prevente effectively from the damage exploded on a small scale to TSP acoustic control triggers, and explosive sound letter is received with beeline
Number, reduce the acoustic signals delivery time.
Brief description of the drawings
Fig. 1 triggers systematic schematic diagram for the TSP signal records acoustic control of the present invention；
Fig. 2 triggers scheme of installation of the system in actual use for the TSP signal records acoustic control of the present invention；
Fig. 3 is acoustic control trigger structure figure of the invention；
Fig. 4 is acoustic control flip-flop circuit figure of the invention；
Fig. 5 is acoustic control trigger supporting structure front view of the invention；
Fig. 6 is acoustic control trigger supporting structure schematic diagram of the invention；
Each label is represented in figure：1- triggers, 2- delay detonators, 3- acoustic controls trigger, 301- triggers, 302- acoustic controls are opened
Pass, 4-TSP signal recording units, 5-TSP signal receiving units, 6- acoustic control triggers support, 601- connecting rods, 602- first are pressed from both sides
Piece, 603- second intermediate plates, the intermediate plates of 604- the 3rd, 605- slide plates, 606- hinges, 607- springs, 608- chutes；
Below in conjunction with specification drawings and specific embodiments, the present invention will be described.
Embodiment
Tunnel seismic wave method (tunnelseismicprediction abbreviation TSP), its principle is by small pit goaf explosion institute
The seismic signal of generation is propagated along tunnel direction in the form of spherical wave, and seismic wave is passed at different rates in different rock-layers
Broadcast, reflected in its interface, and received by high-precision receiver.Pass through rock property, section in front of computer software analysis
Manage fractured zones, soft stratum and water status etc., the final display various country rock structural interfaces of screen display and tunnel axis phase
Hand over the angle presented and distance away from face, it is possible to the parameter such as modulus of elasticity, density, Poisson's ratio of Preliminary Determination rock with
For reference.The present invention is received for seismic wave and receiving system caused by the blast of delay detonator in the prior art between signal
Time difference causes the defect of recording error, and trigger is connected with delay detonator, controls the blast of delay detonator；Acoustic control trigger
It is connected with TSP recording units, TSP recording units are connected with TSP receiving units；After trigger ignites delay detonator, extension thunder
The acoustic signals that pipe is produced open acoustic control trigger, and acoustic control trigger sends start record signal and gives TSP recording units, TSP
The seismic data that recording unit start recording TSP receiving units are received；Make record time and the detonator of TSP recording units
Burst period is synchronous, and the data of reception accurately be can use, and more accurate analyze data is provided for actual constructing tunnel.
The present invention utilizes the transmission of sound wave, with reference to the control principle of audio-switch, by trigger and existing audio-switch
Device is perfectly combined, and the purpose of the Data Collection of seismic wave is carried out while having reached blasting cap detonation, delay detonator is solved
Delay and TSP record systems the problem of record the time difference.
In order to which more accurately delay detonator explodes, the acoustic signals produced are received, and the present invention triggers acoustic control
Device is arranged on around blasthole to be measured, and this purpose has been reached by acoustic control trigger support.
Acoustic control trigger support by slidably fastener and the adjustable abridged edition support of fixed fastener two adjacent blastholes it
Between distance, so as to adapt to different blasthole spacing, slidably fastener is arranged in idle blasthole, and fixed fastener is arranged on and treated
Survey in blasthole, acoustic control trigger is arranged in the connecting rod between two fasteners, after the delay detonator in blasthole to be measured explodes,
The strong voice signal produced passes to acoustic control trigger by air and acoustic control trigger support, trigger is recorded to TSP
Unit sends the record of the signal progress data of a start-up operation.
In addition, in order to which acoustic control trigger support is firmly installed in blasthole, it is to avoid the strong punching of delay detonator explosion time
Hitting impact of the ripple to support makes it fall the damage for causing device, parallel to the axle of connecting rod between first intermediate plate and second intermediate plate
To spring is set, first intermediate plate and second intermediate plate is firmly pushed up and close in the nearest idle blasthole of blasthole to be measured, and be
It can easily adjust the position of first intermediate plate and second intermediate plate in connecting rod, be set in the junction of second intermediate plate and slide plate
Hinge, increases the freedom of movement of second intermediate plate, so as to more easily coordinate the activity of first intermediate plate.
Further, for the respective outer side edges with tubular blasthole, the shape of first intermediate plate, second intermediate plate and the 3rd intermediate plate is respectively provided with
For half slot component, and in order to increase contact friction, it is respectively provided with the outer surface of first intermediate plate, second intermediate plate and the 3rd intermediate plate anti-
Sliding rubber blanket.
The present invention is specifically described below in conjunction with specific embodiment.
Embodiment one：
With reference to Fig. 1, the TSP acoustic controls triggering system of the present embodiment, including trigger, delay detonator, acoustic control trigger, TSP
Recording unit and TSP receiving units, trigger are connected with delay detonator, control the blast of delay detonator；Acoustic control trigger and TSP
Recording unit is connected, and TSP recording units are connected with TSP receiving units；After trigger ignites delay detonator, delay detonator is produced
Acoustic signals acoustic control trigger is opened, acoustic control trigger sends start record signal and gives TSP recording units, TSP records
The seismic data that first start recording TSP receiving units are received；
The trigger of the present embodiment is chosen as the FD200 type exploders of explosion-proof electrification Co., Ltd of Zhejiang Zhengan County production, prolongs
Phase detonator is chosen as half second delay electric detonator of Beijing detonator company production, and trigger is chosen as the development of Amberg companies of Switzerland
Trigger in TSP203 system components, TSP recording units are TSP203 recording units (its base that Amberg companies of Switzerland develop
Electronic component and a portable computer that this composition is changed for completion seismic signal A/D) and TSP win softwares, TSP receives single
High sensitivity geophone (SS-20H types) in the TSP203 system components that member is developed for Amberg companies of Switzerland；
With reference to Fig. 2, the TSP acoustic controls triggering system of the present embodiment specifically includes trigger 1, delay detonator 2, acoustic control trigger
3rd, TSP signal recording units 4, TSP signal receiving units 5 and acoustic control trigger support 6,
With reference to Fig. 3, acoustic control trigger 3 includes trigger 301 and audio-switch 302, with reference to Fig. 4, the sound in the present embodiment
Control trigger 3 circuit diagram is that the sound controling switch circuit for constituting IC-CD4011 integrated circuits is connected with trigger, in circuit
MIC microphone model ECM4015-L, when receiving intensity of acoustic wave and reaching requirement, send the voltage for being available for circuit to connect.
With reference to Fig. 5 and 6, acoustic control trigger support 6 includes connecting rod 601, first intermediate plate 602, second intermediate plate the 603, the 3rd
Intermediate plate 604, slide plate 605, hinge 606, spring 607 and chute 608,
Connecting rod 601 be with reeded rod component, the groove of the rod component along the axially arranged of rod component, and
It is axially arranged with chute 608 along groove；Slide plate 605 can be fixed by screw component and is slidably plugged on chute 608, be twisted
Slide plate 605 is fixed during tight screw, and slide plate 605 can be slided along chute 608 when unclamping screw；
First intermediate plate 602 is by slide plate 605 perpendicular to the axially arranged of connecting rod 601, and first intermediate plate 602 can pass through cunning
Piece 605 enters line slip along chute 608, and second intermediate plate 603 be arranged in parallel with first intermediate plate 602, and second intermediate plate 603 can pass through slide plate
605 enter line slip along chute；3rd intermediate plate 604 is set perpendicular to the axial restraint of connecting rod 601；
Spring is installed between first intermediate plate 602 and second intermediate plate 603, and second intermediate plate 603 and the junction of slide plate 605 are set
There is hinge 606；First intermediate plate 602, second intermediate plate 603 are identical with the shape of the 3rd intermediate plate 604 and are half slot component；First folder
Piece 602, the outside of the intermediate plate 604 of second intermediate plate 603 and the 3rd are provided with anti-skid rubber cushion.
The present invention TSP acoustic control trigger installation processes be：
(1) delay detonator 2 is loaded in blasthole to be measured by big gun work first, and blasting cable is picked out into (attention：In order to ensure
Personal security, blasting cable should be remained off with initiator), then acoustic control is touched with blasting cable by geologic prediction personnel
Hair device 3 is connected with TSP recording units 4, and acoustic control trigger 3 is arranged on acoustic control trigger support 6, and wire is touched by acoustic control
Wire casing on hair device support 6 is passed；
(2) the 3rd intermediate plate 604 is placed on in blasthole to be measured, unclamping the fixed screw between slide plate 605 and chute 608,
First intermediate plate 602 and second intermediate plate 603 are closed up and inserted in the adjacent idle blasthole of blasthole to be measured, then adjusts second intermediate plate 603
It is adjacent to blasthole inwall to be measured, tighten the fixed screw of slide plate 605, three intermediate plates is firmly fastened on blasthole wall, with letter
Number line connection TSP receiving units 5 and TSP recording units 4, connect trigger 1 and delay detonator 2, complete TSP original records signals
The installation process of acoustic control trigger.
Claims (6)
1. a kind of TSP acoustic controls trigger system, it is characterised in that the system includes trigger, delay detonator, acoustic control trigger, TSP
Recording unit and TSP receiving units, wherein：
Described trigger is connected with delay detonator, controls the blast of delay detonator；
Described acoustic control trigger is connected with TSP recording units, and TSP recording units are connected with TSP receiving units；
After trigger ignites delay detonator, the acoustic signals that delay detonator is produced open acoustic control trigger, acoustic control trigger
Send start record signal and give TSP recording units, the earthquake wave number that TSP recording unit start recording TSP receiving units are received
According to；
The system also includes acoustic control trigger support (6), and described acoustic control trigger support (6) includes connecting rod (601), can slided
Moved fastener and fixed fastener, slidably fastener is perpendicular to one end for being axially mounted to connecting rod (601) of connecting rod, fixed fastener
Perpendicular to the other end for being axially mounted to connecting rod (601) of connecting rod, acoustic control trigger is arranged on slidably fastener and fixation
In connecting rod (601) between fastener, slidably fastener is fixed in the adjacent inoperative borehole of work borehole, fixing card
Part is fastened in work borehole；
The acoustic signals of delay detonator pass to acoustic control trigger by acoustic control trigger support (6) on work borehole.
2. TSP acoustic controls as claimed in claim 1 trigger system, it is characterised in that described acoustic control trigger is by trigger
Connected with audio-switch, by the unlatching of audio-switch control trigger, and the MIC microphone models of audio-switch
ECM4015-L。
3. TSP acoustic controls as claimed in claim 1 trigger system, it is characterised in that described connecting rod (601) is with fluted
Rod component, the groove of the rod component is axially arranged with chute (608) along the axially arranged of rod component, and along groove；
Described slidably fastener includes first intermediate plate (602), second intermediate plate (603), slide plate (605) and chute (608), first
Intermediate plate (602) is by slide plate (605) perpendicular to the axially arranged of connecting rod (601), and first intermediate plate (602) can pass through slide plate
(605) line slip is entered along chute (608), second intermediate plate (603) be arranged in parallel with first intermediate plate (602), second intermediate plate (603) energy
Line slip is entered along chute (608) by slide plate (605)；
Described fixed fastener includes the 3rd intermediate plate (604), axial restraint of the 3rd intermediate plate (604) perpendicular to connecting rod (601)
Set.
4. TSP acoustic controls as claimed in claim 3 trigger system, it is characterised in that described first intermediate plate (602) and the second folder
Spring (607) is fixed between piece (603), and second intermediate plate (603) and the junction of slide plate (605) are provided with hinge (606).
5. the TSP acoustic controls triggering system as described in claim 3 or 4, it is characterised in that described first intermediate plate (602), second
Intermediate plate (603) is identical with the shape of the 3rd intermediate plate (604) and is half slot component.
6. the TSP acoustic controls triggering system as described in claim 3 or 4, it is characterised in that described first intermediate plate (602) is outside
Provided with anti-skid rubber cushion, anti-skid rubber cushion is provided with outside described second intermediate plate (603), the 3rd described intermediate plate (604) is outside
Provided with anti-skid rubber cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410803787.5A CN104536040B (en) | 2014-12-19 | 2014-12-19 | TSP acoustic controls trigger system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410803787.5A CN104536040B (en) | 2014-12-19 | 2014-12-19 | TSP acoustic controls trigger system |
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| Publication Number | Publication Date |
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| CN104536040A CN104536040A (en) | 2015-04-22 |
| CN104536040B true CN104536040B (en) | 2017-08-01 |
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| CN201410803787.5A Expired - Fee Related CN104536040B (en) | 2014-12-19 | 2014-12-19 | TSP acoustic controls trigger system |
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Cited By (1)
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| CN109375256A (en) * | 2018-09-03 | 2019-02-22 | 山东大学 | Detonation auxiliary device and method suitable for TSP tunnel geological forecast |
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|---|---|---|---|---|
| EP3287814B1 (en) * | 2016-08-23 | 2021-10-06 | Amberg Technologies AG | Method of exploration ahead and aside in tunnelling |
| CN108732615B (en) * | 2018-03-29 | 2023-06-09 | 中铁第六勘察设计院集团有限公司 | Detonator detonation warning device of advanced geological prediction system by seismic wave reflection method |
| CN111931320A (en) * | 2020-07-21 | 2020-11-13 | 广芯微电子（广州）股份有限公司 | TSP algorithm-based power switch series connection scheme |
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| FR2464482A1 (en) * | 1979-09-05 | 1981-03-06 | Inst Francais Du Petrole | DEVICE FOR DETERMINING THE RECEPTION TIME OF AN ACOUSTIC PULSE |
| CN202217063U (en) * | 2011-08-09 | 2012-05-09 | 山东大学 | Composite signal trigger wiring structure of total suspended particulate (TSP) advanced geological forecast |
| CN102426385B (en) * | 2011-09-17 | 2013-11-06 | 山东大学 | Improved triggering and receiving system of TSP advanced geological forecast signal and method thereof |
| CN102434207B (en) * | 2011-09-19 | 2014-06-18 | 山东大学 | Multi-channel trigger device and multi-channel trigger method for tunnel TSP (Tunnel Seism Prediction) advanced geological prediction signal |
| CN204256183U (en) * | 2014-12-19 | 2015-04-08 | 长安大学 | TSP acoustic control triggering system |
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2014
- 2014-12-19 CN CN201410803787.5A patent/CN104536040B/en not_active Expired - Fee Related
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| TSP-203系统与ProEx地质雷达在超前地质预报中的应用;周庆国;《中国优秀硕士学位论文全文数据库-工程科技Ⅱ辑》;20100815(第08期);第9-12页及图2-2 * |
Cited By (1)
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|---|---|---|---|---|
| CN109375256A (en) * | 2018-09-03 | 2019-02-22 | 山东大学 | Detonation auxiliary device and method suitable for TSP tunnel geological forecast |
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