CN104963680B - A kind of control method and device of pore-forming grooving detection - Google Patents
A kind of control method and device of pore-forming grooving detection Download PDFInfo
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- CN104963680B CN104963680B CN201510349155.0A CN201510349155A CN104963680B CN 104963680 B CN104963680 B CN 104963680B CN 201510349155 A CN201510349155 A CN 201510349155A CN 104963680 B CN104963680 B CN 104963680B
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Abstract
The invention discloses a kind of control method of pore-forming grooving detection, including instrument computer IC, instrument parameter is set；Instrument winch control unit IW controls winch W taking up and laying cable conductors L, and detection probe S is placed on into current detection depth location Hx；Instrument winch control unit IW determines that detection probe S reaches current detection depth location Hx；S points of instrument computer IC control detection probes complete the Detection task of Hx depth locations for 1+N sub-steps：It is the echo detecting for completing the reflector R in vertical direction above Autonomous test probe S at DH first, then controls N groups horizontal emission reception sonic sensor SH1~SHN to complete the echo detecting on N number of varying level direction；Next depth location Hx to be detected is set to repeat measurement until completing Detection task.The invention also discloses a kind of pore-forming into groove detection apparatus.Testing result of the present invention is accurate and detection efficiency is high.
Description
Technical field
The invention belongs to the detection foundation pile Completion of Drilling Hole of the application Acoustic Reflection Method in rock and soil engineering detection field quality, underground
The technical field of continuous wall trench quality, and in particular to a kind of pore-forming also relates to a kind of pore-forming grooving into groove detection apparatus
The control method of detection.
Background technology
Acoustic Reflection Method detects foundation pile Completion of Drilling Hole quality condition and continuous wall trench underground quality condition
Foundation pile Completion of Drilling Hole situation is detected using Acoustic Reflection Method in Geotechnical Engineering, reinforcing bar is placed after the completion of drilling
Before cage and concrete perfusion, detection probe is placed in slurry coat method in the borehole, in different depth locations to multiple levels
Direction（Typically no less than four direction）Launch sound wave, be received from the sound wave that borehole wall is reflected, pass through reflection sound wave
Time of return calculates the hole wall spacing of different directions, reaches the mesh of foundation pile boring aperture on detection different depth varying level direction
, and then understand the hole quality situation of drilling.This detection method is detected into before being equally useful for diaphram wall perfusion
Groove quality condition.
《Technical code for building pile foundation JGJ94-2008》、《Code for design of building GB50007-2011》By
Relevant provision requirement detects that related technical specification has to drilling pouring pile hole situation and continuous wall trench underground situation
《Drilling pouring pile hole, continuous wall trench underground detection technique code DB/T29-112-2010》（Tianjin）、《Cast-in-situ bored pile
Pore-forming, continuous wall trench underground quality detection technology code》 DGJ32TJ 117-2011（Jiangsu）.
Existing detection means and technology
Existing pore-forming is into groove detection apparatus（For example, KODEN companies of Japan DM-604 series borehole sidewall detector, on
Extra large acoustics institute East Sea station UDM100Q/UDM150Q ultrasonic wave pore-forming grooving mass detecting instruments ....）Generally by ground installation
With detection probe composition, ground installation is made up of terrestrial contr and winch, and detection probe is by probe control unit and multigroup
Horizontal emission receives sonic sensor composition, and every group of transmitting receives sonic sensor and be respectively directed to different horizontal directions, detect
When, detection probe is placed into drilling by terrestrial contr control winch（Or diaphragm wall）Interior depth location to be detected, detection
Probe completes the Detection task in the multiple varying level directions of the depth location, is then placed into detection probe next to be detected
Depth location ..., be finally completed detection.In each depth to be detected, the probe control unit of detection probe is distinguished
Control multigroup horizontal emission to receive acoustic emission, the corresponding sound wave of receiving record on each direction of sonic sensor completion to return
Ripple, and the reflection sound wave echo data of record is transmitted to terrestrial contr by data wire.
There are two obvious defects into groove detection apparatus in existing pore-forming, and first, pass through the arrival time of sound echo
Calculate the spacing of hole wall and sensor, it is desirable to which the acoustic velocity of known slurry coat method, related technical specification has in mud
The provision of mud velocity of wave is corrected, but this correction is only carried out in the mud of some depth, different depth in Practical Project
The density of mud is to change, and the velocity of sound in mud is related to mud density, only with the actual measurement ripple in some depth
Speed is inadequate, there will be error when other depth locations convert aperture；Second, the data of record are passed by data wire
During to terrestrial contr, because drilling depth often reaches more than hundred meters, data transfer generally uses 485 communications protocol,
When meeting data transmission distance demand, data transmission bauds is restricted, and detection speed is slower when causing actually detected.In order to carry
Detection speed is risen, some producers are often detected the dH of spacing using increasing depths, reduce data A/D digits, reduce data acquisition
Detection results are adversely affected by the methods such as frequency.
The content of the invention
It is an object of the invention to provide a kind of pore-forming into groove detection apparatus, it is adaptable to which application Acoustic Reflection Method detection foundation pile is bored
The Site Detection work of hole hole quality, the technical field of continuous wall trench underground quality, the device can direct measurement retaining wall mud
Acoustic velocity in slurry, so that accurate opening size test result is provided, while the device reasonable distribution terrestrial contr and inspection
Probe control unit resource in probing head, can lift detection efficiency.
It is a further object to provide a kind of control method of pore-forming grooving detection, it is adaptable to application sound wave reflection
The Site Detection work of method detection foundation pile Completion of Drilling Hole quality, the technical field of continuous wall trench underground quality, the control method
Frequency acquisition, data precision can be taken into account, data transmission bottle neck is overcome, the complexity of detection means is reduced, cost is reduced, while pole
Big lifting detection speed.
The present invention realizes foregoing invention purpose using following technical scheme：
A kind of pore-forming is into groove detection apparatus, including apparatus elements I, winch W, cable L, detection probe S and vertical reflection
Body R, apparatus elements I include instrument computer IC, instrument winch control unit IW, instrument signal filter and amplification A/D unit IAD,
Cable L includes power line, signal wire LS, control line LC, and detection probe S includes probe control unit SP, probe gating unit
SC, acoustic transmitter F, probe signal conditioning amplifying unit SA, N group horizontal emission reception sonic sensor SH1~SHN, one group
Vertical Launch receives sonic sensor SV.Theory diagram is shown in Fig. 1.
Instrument computer IC is connected with instrument winch control unit IW, is connected with instrument signal filter and amplification unit IAD, being led to
Control line LC is crossed to be connected with probe control unit SP；
Instrument computer IC controls winch W taking up and laying cable conductors L by instrument winch control unit IW, and detection probe S is put
Put in depth location to be detected, instrument computer IC amplifies A/D units IAD to signal wire LS by controller unit signal filtering
On signal filtering, amplification, A/D, and by obtained data by bus transfer, storage, display, instrument computer IC pass through control
Line LC processed is connected the Detection task that control detection probe S completes depth location to be detected with probe control unit SP.
Winch W is connected with instrument winch control unit IW, the elevator cable line L under instrument computer IC controls, by rising
The detection probe S for being connected to cable L one end is placed on depth location to be detected by drop cable L.
Cable L is wrapped on winch W,
Signal wire LS one end is connected with instrument signal filter and amplification A/D units IAD, and the other end is nursed one's health with probe signal to be amplified
Cell S A connections,
Control line LC one end is connected with instrument computer IC, and the other end is connected with probe control unit SP；
Power line in cable L is used to power apparatus elements I power supply to detection probe S,
Signal wire LS is used to the signal that probe signal nurses one's health amplifying unit SA outputs being input to instrument signal filter and amplification
A/D units IAD；
Control line LC is used for the transmission of control signals between instrument computer IC and probe control unit SP.
Probe control unit SP be connected by control line LC with instrument computer IC, with pop one's head in gating unit SC be connected, and
Acoustic transmitter F connections, with probe signal conditioning amplifying unit SA be connected；
Probe gating unit SC is connected with probe control unit SP, is connected with acoustic transmitter F, being put with probe signal conditioning
Big unit SA connections, receive sonic sensor SH1~SHN with N groups horizontal emission and be connected, sound wave biography is received with one group of Vertical Launch
Sensor SV connections；
Acoustic transmitter F is connected with probe control unit SP, is connected with probe gating unit SC,
Probe signal nurses one's health amplifying unit SA and is connected with probe control unit SP, is connected, passes through with probe gating unit SC
Signal wire LS is connected with instrument signal filter and amplification A/D units IAD；
One group of Vertical Launch receives sonic sensor SV and is connected with probe gating unit SC, points to vertically upward；N groups
Horizontal emission receives sonic sensor SH1~SHN and is connected respectively with probe gating unit SC, and level is respectively directed to by equal subangle
Different direction on direction；
Probe control unit SP receiving instrument computers IC instruction, control probe gating unit SC is vertical by one group successively
Transmitting, which receives sonic sensor SV and N group horizontal emission and receives sonic sensor SH1~SHN reception sound wave part and pop one's head in, to be believed
Number conditioning amplifying unit SA conducting, while controlling probe gating unit SC that one group of Vertical Launch is received into sonic sensor SV successively
The transmitting sound wave part for receiving sonic sensor SH1~SHN with N groups horizontal emission is connected with acoustic transmitter F, and is controlled successively
Transmitting sound wave simultaneously receives sound echo so that the sound echo signal received nurses one's health amplifying unit SA tune by probe signal
After reason amplification by signal wire LS be output to instrument signal filter and amplification A/D units IAD be filtered, amplify, A/D.One group hangs down
When straight hair penetrates reception sonic sensor SV transmitting sound waves and receives sound echo, the obtained sound echo time, which is used to correct, to be detected
The mud velocity of wave of depth location, N groups horizontal emission receives sonic sensor SH1~SHN transmitting sound waves and receives sound echo
When, the obtained sound echo time is used for the spacing for calculating borehole wall or cell wall and sensor on different directions.
Probe signal nurses one's health amplifying unit SA by after echo-signal conditioning amplification, it is ensured that by more than 100 meters of letter
Number line LS's is transferred to after instrument signal filter and amplification A/D units IAD, and signal has enough amplitude precision, instrument signal filtering
Amplification A/D units IAD completes A/D samplings under instrument computer IC control, and the storage transmission of its data signal is in bus
Carried out under pattern, its speed is far above serial 485 communications protocol, depositing for its data signal of process is received relative to acoustic emission
Storage transmission is the equal of to complete immediately.One group is controlled vertically to send out successively by probe control unit SC control probes gating unit SC
Penetrate the detection received on sonic sensor SV and N group horizontal emission reception sonic sensor SH1~1+N direction of SHN completions, electricity
A signal wire LS is only needed in cable L, to signal wire LS without particular/special requirement, instrument signal filter and amplification A/D units IAD is also only needed
One passage, structure of the detecting device is extremely simple, and detection means cost is extremely cheap.
Vertical reflector R is the reflector that a radial dimension DR is not more than detection probe S main body radial dimensions DS, vertical anti-
Beam R is fixed on the cable L that detection probe S Vertical Launch is received above sonic sensor SV at DH, DH spans
For 0.1 meter~1.0 meters；Detection probe S and vertical reflector R structural relation figures are shown in Fig. 2.
Vertical reflector R is used to reflect back the sound wave that Vertical Launch receives sonic sensor SV transmittings, the too small meetings of DH
Cause data error larger, DH, which crosses conference, causes the sound wave reflected at vertical reflector R excessively to be decayed, be unfavorable for accurate recording and return
Ripple, causes the obtained velocity of sound to be unable to residing for accurate representation horizontal emission reception sonic sensor SH1~SHN deeply while DH crosses conference
Spend the velocity of sound of position.
A kind of control method of pore-forming grooving detection, its step is as follows：
Step 1, instrument computer IC setting current detection depth locations Hx, detection are moved away from dH, probe vertical conditioning amplification
Parameter, vertical filtering amplification A/D parameters, probe level conditioning amplifying parameters, horizontal filtering amplification A/D parameters；
When Vertical Launch receives sonic sensor SV transmitting reception sound waves, probe vertical conditioning amplifying parameters and instrument vertical
Filter and amplification A/D parameters are respectively used to set the probe conditioning amplifying unit SA corresponding conditioning amplifying parameters of SV and instrument signal
The filter and amplification A/D units IAD corresponding filter and amplification A/D parameters of SV.
When horizontal emission receives sonic sensor SH1~SHN transmitting reception sound waves, probe level conditioning amplifying parameters and instrument
The horizontal A/D parameters of device are respectively used to set the probe conditioning amplifying unit SA corresponding conditioning amplifying parameters of SH1~SHN and instrument
The corresponding filter and amplification A/D parameters of SH1~SHN of A/D units are amplified in signal filtering.
Usual Vertical Launch receives spacing HD and horizontal emission receives spacing and has certain difference, its corresponding reflecting surface
Also it is different, be conducive to obtaining high-precision data using different conditioning amplifications and filter and amplification A/D parameters.
Step 2, instrument computer IC control winch W taking up and laying cable conductors L by instrument winch control unit IW, and detection is visited
Head S is placed on current detection depth location Hx；
Step 3, instrument computer IC determine that detection probe S reaches current detection depth by instrument winch control unit IW
Position Hx, return to step 2 when not reaching current location；
Step 4, instrument computer IC control detection probes S complete current detection depth location Hx Detection task：
Step 4, it is that one group of Vertical Launch of control receives sonic sensor SV and completes self-inspection probing in vertical direction first
The echo detecting of reflector R above head S at DH, obtains echo arrival time Tvx, mud is obtained according to known space D H
Acoustic velocity Svx, then controls N groups horizontal emission to receive sonic sensor SH1~SHN and completes on N number of varying level direction certainly
Borehole wall or the echo detecting of cell wall reflection, obtain echo arrival time Th1x~ThNx, further according to mud acoustic velocity
Svx, calculates the reflection space D h1x~DhNx obtained on N number of varying level direction,（Dhix=Svx * Thix/2, i=1~
N）.
Step 4 is specifically included：
Step 4.1, instrument computer IC controller units signal filtering amplification A/D units IAD set vertical filtering to amplify A/D
Parameter, instrument computer IC sets probe conditioning amplifying unit SA vertical conditioning amplifying parameters by the control unit SP that pops one's head in；
Step 4.2, instrument computer IC are connect Vertical Launch by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SV transmitting sound wave part is connected with acoustic transmitter F, and Vertical Launch is received into connecing for sonic sensor SV
Quiet down ripple part and the SA conductings of probe conditioned signal amplifying unit, and detection probe S probe nurses one's health amplifying unit SA to being received back to
Ripple signal carries out conditioning amplification；
Step 4.3, instrument computer IC control Vertical Launch to receive sonic sensor SV hairs by the control unit SP that pops one's head in
Sound wave is penetrated, the sound echo on signal wire LS is believed while A/D units IAD is amplified in the signal filtering of instrument computer IC controller units
Number filtering, amplification, A/D, storage；
The data that step 4.4, instrument computer IC are obtained to step 4.3, calculating obtains vertical sound waves reflection interval Tvx,
Current mud acoustic velocity Svx=2DH/Tvx is obtained, wherein DH is that vertical reflector receives sonic sensor SV with Vertical Launch
Spacing, Tvx be acoustic emission to reflection receivable time interval；
Step 4.5, instrument computer IC controller units signal filtering amplification A/D units IAD set horizontal filtering to amplify A/D
Parameter, instrument computer IC sets probe conditioning amplifying unit SA level to nurse one's health amplifying parameters by the control unit SP that pops one's head in；
Step 4.6, instrument computer IC are connect horizontal emission by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SHi transmitting sound wave part is connected with acoustic transmitter F, and horizontal emission is received into sonic sensor SHi's
Receive sound wave part to turn on probe signal conditioning amplifying unit SA, probe conditioning amplifying unit SA is carried out to being received back to ripple signal
Conditioning amplification, instrument computer IC receives sonic sensor SHi by control unit SP controlled levels transmitting of popping one's head in and launches sound wave,
The amplification A/D units of instrument computer IC controller units signal filtering simultaneously IAD is received to the horizontal emission on signal wire LS successively
The signal filtering of sonic sensor SHi sound echos, amplification, A/D, storage；
Wherein SHi is followed successively by SH1~SHN, and N is the total number that horizontal emission receives sonic sensor；
Step 4.7, instrument computer IC obtain current mud acoustic velocity Svx=2DH/Tvx to step according to step 4.4
The 4.6 sound echo data obtained calculate reflective distance, store and show that horizontal emission receives sonic sensor SH1~SHN institutes
To the testing result in direction；
Step 5, instrument computer IC set next depth location Hx+dH to be detected to be current detection depth location
Hx, jumps to step 3, until completing the Detection task of predetermined set depth.
The beneficial effects of the invention are as follows：
1. adds Vertical Launch and receives sound wave function, directly the mud acoustic velocity at test detection depth location, from
And can eliminate different depth position due to mud density different band come error, this point for bottom position meaning especially
It is important, because bottom position is often due to mud sediment effect causes variable density very big.
2. the detection efficiency of detection devices is greatly improved：The present invention is using gated sensor is simultaneously successively in detection probe S
Ground instrument unit I will be transferred to after signal conditioning amplification and complete A/D and changed and store display, the A/D under mode bus
The storage of data, is the equal of to complete immediately, speed is remote relative to the time course that acoustic emission receives process millisecond magnitude
Ground is then transferred data to using serial 485 communications protocol higher than the A/D that completed in detection probe S that prior art is used
Apparatus elements I is stored.
For example, 3 meters of a diameter, 100 meters of depth, the Detection task of 0.05 meter of detection depth spacing, amounting to need to be 2000
Individual depth location detected, use 4 groups of transmitting dominant frequency received for 88kHz horizontal emission sonic sensor SH1, SH2, SH3,
SH4, in order to accurate reproduction echo waveform, A/D sample frequencys are higher than one magnitude of sound wave dominant frequency（5 --- 10 times）, setting
For 500kHz, mean echo time 2ms, recording period is set as amounting to and need to adopting on 5ms, 4 directions of each depth location
Collect 4*500kHz*5ms=10k data, if using 16 A/D, obtaining 20kByte data volumes.
Using prior art, 20kByte data volumes transmit 20kByte data, it is assumed that 150 meters of cables using 485 agreements
Line, about 2 seconds are needed using 100kbit/s transmission rates, and prior art often improves detection using the method for reduction data precision
Speed, reduces A/D digits（8 --- 12 A/D）, reduction use frequency（200kHz）Even if reducing data precision, each detection
It is also second-time that depth location is time-consuming, causes the lifting speed limit about dH/s of winch.
Using the technology of the present invention, increase a vertical detection direction, it is assumed that emitter R space Ds H=0.5 meter, it is contemplated that hang down
To reflection interval 0.67ms, when the transmitting that recording period is set on 2ms, each depth location four direction receives process record
Between section be 4*5ms, real data A/D processes and data transfer storing process complete immediately, and the detection of each depth location takes
It is also 2ms+4*5ms=22ms, it is contemplated that passage switching is time-consuming（Each passage switching is time-consuming to be less than 1ms）, it is total it is time-consuming again smaller than
27ms, the lifting speed limit of winch is about dH/27ms.On the premise of data precision is improved, detection efficiency can improve 30
More than times, embodiment 2 is seen.
As the use of major diameter foundation pile and diaphragm wall in engineering is more prevalent, the present invention will greatly promote application
Acoustic Reflection Method detection foundation pile Completion of Drilling Hole quality, the application of continuous wall trench underground quality technology, it is ensured that engineering safety, its society
Meeting benefit is beyond measure.
Brief description of the drawings
A kind of theory diagram of the pore-formings of Fig. 1 into groove detection apparatus.
Including：Apparatus elements I, instrument computer IC, instrument winch control unit IW, instrument signal filter and amplification A/
D unit IAD, winch W, signal wire LS, control line LC, detection probe S, pop one's head in control unit SP, and pop one's head in gating unit SC, sound wave
Emitter F, probe signal conditioning amplifying unit SA, one group of Vertical Launch receives sonic sensor SV, N group horizontal emission and received
Sonic sensor SH1~SHN.
Fig. 2 detection probes S and vertical reflector R structural relation figures.
Including：Cable L, detection probe S, vertical reflector R.Separately：DR is vertical reflector radial dimension, DS
For detection probe radial dimension, DH is the spacing that vertical reflector receives sonic sensor SV with Vertical Launch.
Embodiment
Embodiment 1：
A kind of pore-forming is into groove detection apparatus, including apparatus elements I, winch W, cable L, detection probe S and vertical reflection
Body R,
Apparatus elements I includes instrument computer IC, instrument winch control unit IW, instrument signal filter and amplification A/D units
IAD,
Cable L includes power line, signal wire LS, control line LC,
Detection probe S includes probe control unit SP, probe gating unit SC, acoustic transmitter F, probe signal and nurses one's health and put
Big unit SA, N group horizontal emission receives sonic sensor SH1~SHN, one group of Vertical Launch and receives sonic sensor SV；
Instrument computer IC is connected with instrument winch control unit IW and instrument signal filter and amplification A/D units IAD respectively,
Instrument computer IC is also connected by control line LC with probe control unit SP；
Winch W is connected with instrument winch control unit IW；
Cable L is wrapped on winch W,
Signal wire LS one end is connected with instrument signal filter and amplification A/D units IAD, and the other end is nursed one's health with probe signal to be amplified
Cell S A connections,
Control line LC one end is connected with instrument computer IC, and the other end is connected with probe control unit SP；
Control unit of popping one's head in SP also nurses one's health amplifying unit with probe gating unit SC, acoustic transmitter F, probe signal respectively
SA connections；
Acoustic transmitter F is connected with probe gating unit SC, and probe gating unit SC nurses one's health amplifying unit with probe signal
SA connections；
The gating unit SC that pops one's head in also receives sonic sensor SV and N group horizontal emission with Vertical Launch respectively and receives sound wave biography
Sensor SH1~SHN connections；
Vertical reflector R is fixed on cable L.
It is preferred that, Vertical Launch receives reflection of the sonic sensor SV transmitting sound wave after vertical reflector R reflections
Sound wave receives sonic sensor SV by Vertical Launch and received, and Vertical Launch is received between sonic sensor SV and vertical reflector R
For constant spacing；N groups horizontal emission receives sonic sensor SH1~SHN and is respectively directed to difference in horizontal direction by equal subangle
Direction.
It is preferred that, vertical reflector R is the reflector that diameter dimension DR is not more than detection probe S main body radial dimensions DS,
It is 0.1 meter~1.0 meters that vertical reflector R receives the distance between sonic sensor SV DH spans with Vertical Launch.
Embodiment 2：One 3 meters of diameter, 100 meters of depth, the Detection task of 0.05 meter of detection depth spacing, amounting to need to be
2000 depth locations are detected that 1 group of transmitting dominant frequency receives sonic sensor SV, 4 groups of transmittings for 88kHz Vertical Launch
Dominant frequency receives sonic sensor SH1, SH2, SH3, SH4 for 88kHz horizontal emission, in order to accurate reproduction echo waveform,
Using 16 A/D.Other with it is consistent in embodiment 1.
Step 1, instrument computer IC setting current detection depth locations Hx=0 meter, detection are moved and hung down away from dH=0.05 meter, probe
Straight conditioning amplifying parameters（10 times of amplification）, instrument vertical filter and amplification A/D parameters（Bandpass filtering 50kHz --- 100kHz, amplification
1 times, A/D sample frequency 500kHz, sampling periods 2ms）, probe level conditioning amplifying parameters（50 times of amplification）, instrument level filter
Ripple amplifies A/D parameters（Bandpass filtering 50kHz --- 100kHz, amplifies 1 times, A/D sample frequency 500kHz, sampling periods 5ms）；
Step 2, instrument computer IC control winch W taking up and laying cable conductors L by instrument winch control unit IW, and detection is visited
Head S is placed on current detection depth location Hx；
Step 3, instrument computer IC determine that detection probe S reaches current detection depth by instrument winch control unit IW
Position Hx, return to step 2 when not reaching current location；
Step 4, instrument computer IC control detection probes S complete current detection depth location Hx Detection task：
Step 4 is that one group of Vertical Launch of control receives Autonomous test probe in sonic sensor SV completion vertical direction first
The echo detecting of reflector R above S at DH, obtains echo arrival time Tvx, the sound of mud is obtained according to known space D H
Ripple velocity of wave Svx, then controls 4 groups of horizontal emissions to receive sonic sensor SH1, SH2, SH3, SH4 and completes 4 varying level directions
On the echo detecting that is reflected from borehole wall or cell wall, echo arrival time Th1x, Th2x, Th3x, Th4x are obtained, further according to mud
Acoustic velocity Svx is starched, reflection space D h1x, Dh2x, Dh3x, the Dh4x obtained on 4 varying level directions is calculated.
Step 4 is specifically included：
Step 4.1, instrument computer IC controller units signal filtering amplification A/D units IAD set vertical filtering to amplify A/D
Parameter（Bandpass filtering 50kHz --- 100kHz, amplifies 1 times, A/D sample frequency 500kHz, sampling periods 2ms）, instrument calculating
Machine IC sets probe conditioning amplifying unit SA vertical conditioning amplifying parameters by the control unit SP that pops one's head in（10 times of amplification）；
Step 4.2, instrument computer IC are connect Vertical Launch by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SV transmitting sound wave part is connected with acoustic transmitter F, and Vertical Launch receives sonic sensor SV reception
Sound wave part is turned on probe conditioned signal amplifying unit SA, and probe conditioning amplifying unit SA is nursed one's health being received back to ripple signal
Amplification；
Step 4.3, instrument computer IC control Vertical Launch to receive sonic sensor SV hairs by the control unit SP that pops one's head in
Sound wave is penetrated, the sound echo on signal wire LS is believed while A/D units IAD is amplified in the signal filtering of instrument computer IC controller units
Number filtering, amplification, A/D, storage；
The data that step 4.4, instrument computer IC are obtained to step 4.3, calculating obtains vertical sound waves reflection interval Tvx,
Current mud acoustic velocity Svx=2DH/Tvx is obtained, wherein DH is that vertical reflector receives sonic sensor SV with Vertical Launch
Spacing, Tvx be acoustic emission to reflection receivable time interval；
Step 4.1 and 4.2 time-consuming are less than 1ms, and step 4.3 takes 2ms, step 4.4 it is time-consuming negligible, amount to
It is time-consuming to be less than 3ms.Gathered data amount 2kByte=16bit * 500kHz * 2ms.
Step 4.5, instrument computer IC controller units signal filtering amplification A/D units IAD set horizontal filtering to amplify A/D
Parameter（Bandpass filtering 50kHz --- 100kHz, amplifies 1 times, A/D sample frequency 500kHz, sampling periods 5ms）, instrument calculating
Machine IC sets probe conditioning amplifying unit SA level to nurse one's health amplifying parameters by the control unit SP that pops one's head in（50 times of amplification）；
Step 4.6, instrument computer IC are connect horizontal emission by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SH1 transmitting sound wave part is connected with acoustic transmitter F, and horizontal emission is received into sonic sensor SH1's
Receive sound wave part to turn on probe signal conditioning amplifying unit SA, probe conditioning amplifying unit SA is carried out to being received back to ripple signal
Conditioning amplification；
Step 4.7, instrument computer IC receive sonic sensor SH1 by control unit SP controlled levels transmitting of popping one's head in and sent out
Sound wave is penetrated, the sound echo on signal wire LS is believed while A/D units IAD is amplified in the signal filtering of instrument computer IC controller units
Number filtering, amplification, A/D, storage；
Step 4.8, instrument computer IC obtain mud acoustic velocity Svx=2DH/Tvx according to step 4.4 and step 4.7 are obtained
The sound echo data that take calculate reflective distance, store and show horizontal emission receive sonic sensor SH1 inspection to direction
Survey result；
Step 4.5 and the time-consuming of step 4.6 are less than 1ms, and step 4.7 takes 5ms, and the time-consuming of step 4.8 can be neglected,
Amount to time-consuming less than 6ms.Gathered data amount 5kByte=16bit * 500kHz * 5ms.
Step 4.9, instrument computer IC are connect horizontal emission by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SH2 transmitting sound wave part is connected with acoustic transmitter F, and horizontal emission is received into sonic sensor SH2's
Receive sound wave part to turn on probe signal conditioning amplifying unit SA, probe conditioning amplifying unit SA is carried out to being received back to ripple signal
Conditioning amplification；
Step 4.10, instrument computer IC receive sonic sensor SH2 by control unit SP controlled levels transmitting of popping one's head in
Launch sound wave, while the signal filtering of instrument computer IC controller units amplifies A/D units IAD to the sound echo on signal wire LS
Signal filtering, amplification, A/D, storage；
Step 4.11, instrument computer IC obtain mud acoustic velocity Svx=2DH/Tvx to step 4.10 according to step 4.4
The sound echo data of acquisition calculate reflective distance, store and show horizontal emission receive sonic sensor SH2 to direction
Testing result；
The time-consuming of step 4.9 is less than 1ms, and step 4.10 takes 5ms, time-consuming negligible, the total consumption of step 4.11
When be less than 6ms.Gathered data amount 5kByte=16bit * 500kHz * 5ms.
Step 4.12, instrument computer IC are connect horizontal emission by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SH3 transmitting sound wave part is connected with acoustic transmitter F, and horizontal emission is received into sonic sensor SH3's
Receive sound wave part to turn on probe signal conditioning amplifying unit SA, probe conditioning amplifying unit SA is carried out to being received back to ripple signal
Conditioning amplification；
Step 4.13, instrument computer IC receive sonic sensor SH3 by control unit SP controlled levels transmitting of popping one's head in
Launch sound wave, while the signal filtering of instrument computer IC controller units amplifies A/D units IAD to the sound echo on signal wire LS
Signal filtering, amplification, A/D, storage；
Step 4.14, instrument computer IC obtain mud acoustic velocity Svx=2DH/Tvx to step 4.13 according to step 4.4
The sound echo data of acquisition calculate reflective distance, store and show horizontal emission receive sonic sensor SH3 to direction
Testing result；
The time-consuming of step 4.12 is less than 1ms, and step 4.13 takes 5ms, time-consuming negligible, the total consumption of step 4.14
When be less than 6ms.Gathered data amount 5kByte=16bit * 500kHz * 5ms.
Step 4.15, instrument computer IC are connect horizontal emission by the control unit SP control probes gating unit SC that pops one's head in
Quiet down wave sensor SH4 transmitting sound wave part is connected with acoustic transmitter F, and horizontal emission is received into sonic sensor SH4's
Receive sound wave part to turn on probe signal conditioning amplifying unit SA, probe conditioning amplifying unit SA is carried out to being received back to ripple signal
Conditioning amplification；
Step 4.16, instrument computer IC receive sonic sensor SH4 by control unit SP controlled levels transmitting of popping one's head in
Launch sound wave, while the signal filtering of instrument computer IC controller units amplifies A/D units IAD to the sound echo on signal wire LS
Signal filtering, amplification, A/D, storage；
Step 4.17, instrument computer IC obtain mud acoustic velocity Svx=2DH/Tvx to step according to step 4.4
The 4.16 sound echo data obtained calculate reflective distance, store and show that horizontal emission receives sonic sensor SH4 institute other side
To testing result；
The time-consuming of step 4.15 is less than 1ms, and step 4.16 takes 5ms, time-consuming negligible, the total consumption of step 4.17
When be less than 6ms.Gathered data amount 5kByte=16bit * 500kHz * 5ms.
Amount to time-consuming less than the * of 27ms=3ms+4 6ms in step 4.Gathered data amount 22kByte=16bit *
500kHz * （2ms + 4*5ms）.
Step 5, instrument computer IC set next depth location Hx+dH to be detected to be current detection depth location
Hx, jumps to step 3, until completing the Detection task of Hx=100 meter.
It is final to amount in 2000 depth locations, the * 16bit * of gathered data amount 2000*22kByte=2000
500kHz * （2ms + 4*5ms） = 44MByte.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (4)
1. a kind of control method of pore-forming grooving detection, it is characterised in that comprise the following steps：
Step 1, instrument computer IC settings current detection depth location Hx, detection move away from dH, probe vertical conditioning amplifying parameters,
Vertical filtering amplification A/D parameters, probe level conditioning amplifying parameters, horizontal filtering amplification A/D parameters；
Step 2, instrument computer IC control winch W taking up and laying cable conductors L by instrument winch control unit IW, by detection probe S
It is placed on current detection depth location Hx；
Step 3, instrument computer IC determine that detection probe S reaches current detection depth location by instrument winch control unit IW
Hx, return to step 2 when not reaching current location；
Step 4, instrument computer IC control detection probes S complete current detection depth location Hx Detection task：
Step 4 comprises the following steps：
Step 4.1, instrument computer IC controller units signal filtering amplification A/D units IAD set vertical filtering to amplify A/D ginsengs
Number, instrument computer IC sets probe conditioning amplifying unit SA vertical conditioning amplifying parameters by the control unit SP that pops one's head in；
Step 4.2, instrument computer IC control probe gating unit SC that Vertical Launch is received into sound by the control unit SP that pops one's head in
Wave sensor SV transmitting sound wave part is connected with acoustic transmitter F, and Vertical Launch is received to sonic sensor SV reception sound
Ripple part is turned on probe conditioning amplifying unit SA, and probe conditioning amplifying unit SA carries out conditioning amplification to being received back to ripple signal；
Step 4.3, instrument computer IC control Vertical Launch to receive sonic sensor SV transmitting sound by the control unit SP that pops one's head in
Ripple, is filtered while A/D units IAD is amplified in the signal filtering of instrument computer IC controller units to the sound echo signal on signal wire LS
Ripple, amplification, A/D, storage；
The data that step 4.4, instrument computer IC are obtained to step 4.3, calculating obtains acoustic emission to the time of reflection receivable
Tvx is spaced, current mud acoustic velocity Svx=2DH/Tvx is obtained, wherein DH is vertical reflector R and Vertical Launch reception sound
Wave sensor SV spacing, Tvx is time interval of the acoustic emission to reflection receivable；
Step 4.5, instrument computer IC controller units signal filtering amplification A/D units IAD set horizontal filtering to amplify A/D ginsengs
Number, instrument computer IC sets probe conditioning amplifying unit SA level to nurse one's health amplifying parameters by the control unit SP that pops one's head in；
Step 4.6, instrument computer IC control probe gating unit SC that horizontal emission is received into sound by the control unit SP that pops one's head in
Wave sensor SHi transmitting sound wave part is connected with acoustic transmitter F, and horizontal emission is received to sonic sensor SHi reception
Sound wave part is turned on the conditioning amplifying unit SA that pops one's head in, and probe conditioning amplifying unit SA is put to being received back to the progress conditioning of ripple signal
Greatly, instrument computer IC receives sonic sensor SHi transmitting sound waves by control unit SP controlled levels transmitting of popping one's head in, while instrument
Device computer IC controller units signal filtering amplification A/D units IAD receives sound wave to the horizontal emission on signal wire LS successively and passed
The signal filtering of sensor SHi sound echos, amplification, A/D, storage；
Wherein SHi is followed successively by SH1~SHN, and N is the total number that horizontal emission receives sonic sensor；
Step 4.7, instrument computer IC obtain the sound wave time that current mud acoustic velocity is obtained to step 4.6 according to step 4.4
Wave number according to reflective distance is calculated, store and show horizontal emission receive sonic sensor SH1~SHN to the detection knot in direction
Really；
Step 5, instrument computer IC set next depth location Hx+dH to be detected to be current detection depth location Hx, redirect
To step 3, until completing Detection task.
2. a kind of pore-forming for realizing the control method that pore-forming grooving described in claim 1 is detected is into groove detection apparatus, its feature exists
In, including apparatus elements I, winch W, cable L, detection probe S and vertical reflector R,
Apparatus elements I includes instrument computer IC, instrument winch control unit IW, instrument signal filter and amplification A/D unit IAD,
Cable L includes power line, signal wire LS, control line LC,
Detection probe S includes probe control unit SP, probe gating unit SC, acoustic transmitter F, probe conditioning amplifying unit
SA, N group horizontal emission receive sonic sensor SH1~SHN, one group of Vertical Launch and receive sonic sensor SV；
Instrument computer IC is connected with instrument winch control unit IW and instrument signal filter and amplification A/D units IAD respectively, instrument
Computer IC is also connected by control line LC with probe control unit SP；
Winch W is connected with instrument winch control unit IW；
Cable L is wrapped on winch W,
Signal wire LS one end is connected with instrument signal filter and amplification A/D units IAD, and the other end connects with probe conditioning amplifying unit SA
Connect,
Control line LC one end is connected with instrument computer IC, and the other end is connected with probe control unit SP；
Probe control unit SP is also connected with probe gating unit SC, acoustic transmitter F, probe conditioning amplifying unit SA respectively；
Acoustic transmitter F is connected with probe gating unit SC, and probe gating unit SC is connected with probe conditioning amplifying unit SA；
The gating unit SC that pops one's head in also receives sonic sensor SV and N group horizontal emission with Vertical Launch respectively and receives sonic sensor
SH1~SHN connections；
Vertical reflector R is fixed on cable L.
3. a kind of pore-forming is into groove detection apparatus according to claim 2, it is characterised in that：Vertical Launch receives sonic sensor
Reflection sound wave of the SV transmitting sound wave after vertical reflector R reflections receives sonic sensor SV by Vertical Launch and received, and hangs down
Straight hair is constant spacing between penetrating reception sonic sensor SV and vertical reflector R；N groups horizontal emission receives sonic sensor
SH1~SHN is respectively directed to directions different in horizontal direction by equal subangle.
4. a kind of pore-forming is into groove detection apparatus according to claim 3, it is characterised in that：Vertical reflector R is diameter dimension
DR is not more than detection probe S main body radial dimensions DS reflector, and vertical reflector R receives sonic sensor SV with Vertical Launch
The distance between DH spans be 0.1 meter~1.0 meters.
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Address after: 430071 No. 2, No. 2, Xiaohongshan middle area, fruit lake street, Wuchang District, Wuhan, Hubei Patentee after: Wuhan middle rock Polytron Technologies Inc Address before: 430074 East Lake national high tech Zone, Hubei, No. National Road, No. 163 Patentee before: Wuhan Sinorock Technology Co., Ltd. |
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Denomination of invention: Control method and device for pore-forming and grooving detection Effective date of registration: 20190704 Granted publication date: 20170825 Pledgee: Hengfeng Bank Co., Ltd. Wuhan Branch Pledgor: Wuhan middle rock Polytron Technologies Inc Registration number: 2019420000032 |