CN106368676A - Ice auger acoustic logging instrument provided with fiber bragg gratings - Google Patents
Ice auger acoustic logging instrument provided with fiber bragg gratings Download PDFInfo
- Publication number
- CN106368676A CN106368676A CN201610860566.0A CN201610860566A CN106368676A CN 106368676 A CN106368676 A CN 106368676A CN 201610860566 A CN201610860566 A CN 201610860566A CN 106368676 A CN106368676 A CN 106368676A
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- location
- steady pin
- plate
- support arm
- fiber bragg
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/008—Drilling ice or a formation covered by ice
Abstract
The invention discloses an ice auger acoustic logging instrument provided with fiber bragg gratings, and belongs to the technical field of ice layer drilling and logging. The logging instrument used for detecting drill hole wall ice layer physical and mechanical performance through a fiber bragg grating dynamic acoustic wave method is composed of a connecting component, an ultrasonic transmitter, an ultrasonic detecting component, an outer pipe (4) and a sealing end cover (13). The ice auger acoustic logging instrument provided with the fiber bragg gratings can be used for dynamically monitoring and recording hole wall ice layer physical and mechanical parameters, has the advantages of being high in test precision, long in transmitting distance and not prone to being interfered by electromagnetism, and can stably operate in a cryogenic environment of minus 60 DEG C in the Antarctic Pole.
Description
Technical field
The present invention relates to logging equipment field is and in particular to a kind of ice auger Fiber Bragg Grating FBG acoustic detecting well instrument.
Background technology
The scientific research of south and north poles ice sheet can be used to analyze earth climate change, for the South Pole and Greenland ice sheet
For, the physico mechanical characteristic accurately testing and monitoring ice is very urgent.The South Pole and the boring of Greenland ice sheet are entered at present
Trip temperature, hole diameter, hole deviation and well-shooting obtain geophysical information, and existing logger cannot accurately test ice in ice sheet
Mechanical characteristic；Existing mechanical testing instrument haves such problems as that profile is big, is easily subject to electromagnetic interference, signal transmission distance short, instrument
Internal electronics are complicated it is impossible to the physico mechanical characteristic completing ice in -60 DEG C of ultralow temperature deep hole is tested.
Content of the invention
The technical problem to be solved in the present invention is, existing physical mechanicses detecting instrument is in the ultra-low temperature surroundings in -60 DEG C of South Pole
Cannot work down and there is a problem of easily to be subject to electromagnetic interference, signal transmission distance short.For this reason, it is the invention provides a kind of ultralow
Warm ice auger Fiber Bragg Grating FBG acoustic detecting well instrument.The technical solution used in the present invention is, a kind of ice auger Fiber Bragg Grating FBG
Logging instrument, described ice auger Fiber Bragg Grating FBG logging instrument by connection member, ultrasound emitting device, ultrasound examination part,
Outer tube 4 and end cover 13 form.
The concrete technical scheme that the present invention takes is, a kind of ice auger Fiber Bragg Grating FBG acoustic detecting well instrument, it is characterized in that,
Described ice auger Fiber Bragg Grating FBG logging instrument is by connection member, ultrasound emitting device, ultrasound examination part, outer tube 4 and
End cover 13 forms；Described connection member is made up of top connection 1, seal nipple 2 and seal nipple seat 3；Described connection member
Top connection 1 be bolted seal nipple seat 3；The central hole of described seal nipple seat 3 is with seal with screwed joint joint
2, the lower end of described seal nipple seat 3 is with the upper end of threaded outer tube 4；Described seal nipple 2 includes three connection terminals, the
One terminal is optical fiber connecting terminal, and for the connection of armouring signal cable and optical fiber 12, Second terminal and third terminal are ultrasonic
Ripple signal wire connecting end, for armouring signal cable and ultrasound wave compressional wave transmitting probe 10, ultrasonic transverse wave transmitting probe 11
Connection；Described ultrasound emitting device by the first location-plate 5, the first steady pin 6, the second steady pin 7, the first spring leaf 8,
One support arm 9, ultrasound wave compressional wave transmitting probe 10 and ultrasonic transverse wave transmitting probe 11 form, described ultrasound wave compressional wave transmitting probe
10th, ultrasonic transverse wave transmitting probe 11 is fixed in first support arm 9, is controlled by earth's surface supersonic generator 15, and frequency is specified in transmitting
The ultrasound wave compressional wave of rate and wave amplitude, shear wave signal, ultrasonic signal passes through the incoming ice sheet of first support arm 9；Described ultrasound examination
Part is made up of n group ultrasonic transmission module and optical fiber 12；First group of ultrasonic transmission module is solid by the second location-plate the 20, the 3rd
Rationed marketing 21, the 4th steady pin 22, second spring piece 23 and second support arm 24 form；Second group of ultrasonic transmission module is fixed by the 3rd
Position plate 30, the 5th steady pin 31, the 6th steady pin 32, the 3rd reed 33 and the 3rd support arm 34 form；By that analogy；N-th group surpasses
Sound transmission module is by the (n+1)th location-plate 10n+10,2n+1 steady pin 10n+11,2n+2 steady pin 10n+12, the (n+1)th spring
Piece 10n+13 and the (n+1)th support arm 10n+14 composition；N Fiber Bragg Grating FBG is contained in described optical fiber 12；First optical fiber Bradley
Lattice grating 25 is pasted onto inside second support arm 24, and the second Fiber Bragg Grating FBG 35 is pasted onto inside the 3rd support arm 34, with such
Push away, the n-th Fiber Bragg Grating FBG 10n+15 is pasted onto inside the (n+1)th support arm 10n+14；Described outer tube 4 is in cylinder, on inwall
It is provided with the individual location hole of 2 (n+1)；Described outer tube 4 internal setting the first location-plate 5, the second location-plate 20, the 3rd location-plate 30, n-th
+ 1 location-plate 10n+10, all location-plates extend and parallel to each other along outer tube；First support arm 9 is fixed on by the first spring leaf 8
On first location-plate 5, second support arm 24 is fixed on the second location-plate 20 by second spring piece 23, and the 3rd support arm 34 passes through the
Three spring leafs 33 are fixed on the 3rd location-plate 30, and by that analogy, the (n+1)th support arm 10n+14 passes through the (n+1)th spring leaf 10n+13
It is fixed on the (n+1)th location-plate 10n+10；Described first location-plate 5, the second location-plate 20, the 3rd location-plate 30 and (n+1)th are fixed
Position plate 10n+10 is made up of ultrasonic signal propagation inert material, and arranges two for fixing groove, the first location-plate 5 with
Bolt connection the first steady pin 6 and the second steady pin 7, the first steady pin 6 and the second steady pin 7 lower end are column, insert outer tube 4
In the location hole of relevant position；, with bolt connection the 3rd steady pin 21 and the 4th steady pin 22, the 3rd is fixing for second location-plate 20
Pin 21 and the 4th steady pin 22 lower end are column, in the location hole of insertion outer tube 4 relevant position；3rd location-plate 30 is with bolt even
Connect the 5th steady pin 31 and the 6th steady pin 32, the 5th steady pin 31 and the 6th steady pin 32 lower end are column, insert outer tube 4 phase
Answer in the location hole of position；(n+1)th location-plate 10n+10 is with bolt connection 2n+1 steady pin 10n+11 and 2n+2 steady pin
10n+12,2n+1 steady pin 10n+11 and 2n+2 steady pin 10n+12 lower end are column, insert determining of outer tube 4 relevant position
In the hole of position；Wherein, n=2～1000.
First support arm 9, second support arm 24, the 3rd support arm 34 and the (n+1)th support arm 10n+14 are made using stainless steel material.
Described ultrasonic signal propagation inert material is bakelite.
The ice auger Fiber Bragg Grating FBG acoustic detecting well instrument that the present invention provides is sent out using Fiber Bragg Grating FBG and ultrasound wave
Penetrate probe as well logging apparatus, in the hole does not have electronic circuit, work that can be stable under the ultra-low temperature surroundings in -60 DEG C of South Pole；Adopt
Propagated in ice in the layer with Fiber Bragg Grating FBG detection ultrasonic signal, acoustic signals are changed into optical signal and pass in inside of optical fibre
Defeated, there is measuring accuracy height, transmission range length, be not subject to the advantage of electromagnetic interference；Popped one's head in as sound wave ripple using ultrasonic emitting
Source, can accurately adjust frequency and the wave amplitude of ultrasonic signal.
Brief description
The ice auger optical fiber acoustic tool configuration schematic diagram of Fig. 1 embodiment of the present invention 1.
The sectional structure chart of the ice auger optical fiber acoustic logging instrument of Fig. 2 embodiment of the present invention 1.
The ultrasonic transmission modular structure schematic diagram of Fig. 3 embodiment of the present invention 1.
The sectional structure chart (three groups of ultrasonic transmission modules) of the ice auger optical fiber acoustic logging instrument of Fig. 4 embodiment of the present invention 2.
The sectional structure chart (four groups of ultrasonic transmission modules) of the ice auger optical fiber acoustic logging instrument of Fig. 5 embodiment of the present invention 3.
The sectional structure chart (n group ultrasonic transmission module) of the ice auger optical fiber acoustic logging instrument of Fig. 6 embodiment of the present invention 4.
The physico mechanical characteristic schematic diagram of Fig. 7 testing bore holes of the present invention hole wall ice.
The reference of equipment and instrument contained by each in figure:
1st, top connection；2nd, seal nipple；3rd, seal nipple seat；4th, outer tube；5th, the first location-plate；6th, the first steady pin；7、
Second steady pin；8th, the first spring leaf；9th, first support arm；10th, ultrasound wave compressional wave transmitting probe；11st, ultrasonic transverse wave transmitting is visited
Head；12nd, optical fiber；13rd, end cover；14th, signal demodulating system；15th, earth's surface supersonic generator；20th, the second location-plate；21、
3rd steady pin；22nd, the 4th steady pin；23rd, second spring piece；24th, second support arm；25th, the first Fiber Bragg Grating FBG；30、
3rd location-plate；31st, the 5th steady pin；32nd, the 6th steady pin；33rd, the 3rd spring leaf；34th, the 3rd support arm；35th, the second optical fiber
Bragg grating；40th, the 4th location-plate；41st, the 7th steady pin；42nd, the 8th steady pin；43rd, the 4th spring leaf；44th, the 4th
Arm；45th, the 3rd Fiber Bragg Grating FBG；50th, the 5th location-plate；51st, the 9th steady pin；52nd, the tenth steady pin；53rd, the 5th bullet
Reed；54th, the 5th support arm；55th, the 4th Fiber Bragg Grating FBG；... 10n+10, the (n+1)th location-plate；10n+11,2n+1 are solid
Rationed marketing；10n+12,2n+2 steady pin；10n+13, the (n+1)th spring leaf；10n+14, the (n+1)th support arm；10n+15, the n-th optical fiber cloth
Glug grating.
Specific embodiment
Below the present invention is described in detail with specific embodiment, but not limited to this.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3.
A kind of ice auger Fiber Bragg Grating FBG logging instrument, including connection member, ultrasound emitting device, ultrasound examination portion
Part, outer tube 4 and end cover 13.Described connection member is made up of top connection 1, seal nipple 2 and seal nipple seat 3；Described company
8 bolt connection seal nipple seats 3 are passed through in the top connection 1 of relay part；The central hole of described seal nipple seat 3 is with threaded
Seal nipple 2, the lower end of described seal nipple seat 3 is with the upper end of threaded outer tube 4；Described seal nipple 2 includes three companies
Connecting terminal, the first terminal is optical fiber connecting terminal, for the connection of armouring signal cable and optical fiber 12, Second terminal and the 3rd end
Son is ultrasonic signal line connection terminal, sends out with ultrasound wave compressional wave transmitting probe 10, ultrasonic transverse wave for armouring signal cable
Penetrate the connection of probe 11；Described ultrasound emitting device is by the first location-plate 5, the first steady pin 6, the second steady pin 7, the first bullet
Reed 8, first support arm 9, ultrasound wave compressional wave transmitting probe 10 and ultrasonic transverse wave transmitting probe 11 form, described ultrasound wave compressional wave
Transmitting probe 10, ultrasonic transverse wave transmitting probe 11 are fixed in first support arm 9, are controlled by earth's surface supersonic generator 15, send out
Penetrate ultrasound wave compressional wave, the shear wave signal of assigned frequency and wave amplitude, ultrasonic signal passes through the incoming ice sheet of first support arm 9；Described super
Sonic detection part is made up of two groups of ultrasonic transmission modules and optical fiber 12；First group of ultrasonic transmission module is by the second location-plate
20th, the 3rd steady pin 21, the 4th steady pin 22, second spring piece 23 and second support arm 24 form；Second group of ultrasonic transmission mould
Block is made up of the 3rd location-plate 30, the 5th steady pin 31, the 6th steady pin 32, the 3rd reed 33 and the 3rd support arm 34；Described light
The first Fiber Bragg Grating FBG 25 and the second Fiber Bragg Grating FBG 35 is contained in fine 12；First Fiber Bragg Grating FBG 25 and
Two Fiber Bragg Grating FBGs 35 are used for detecting the ultrasonic signal of ice sheet different parts, specifically include ultrasonic signal and reach this position
The time put and wave amplitude；Described first Fiber Bragg Grating FBG 25 is pasted on inside second support arm 24, the second optical fiber Bragg light
Grid 35 are pasted on inside the 3rd support arm 34；Described outer tube 4 is in cylinder, and outer wall coated with resins material, for stoping ultrasound wave from existing
Outer tube propagates it is ensured that measuring accuracy, and inside arranges the first location-plate 5, the second location-plate 20 and the 3rd location-plate 30, all positioning
Plate extends and parallel to each other along outer tube；First support arm 9 is fixed on the first location-plate 5 by the first spring leaf 8, second support arm 24
It is fixed on the second location-plate 20 by second spring piece 23, the 3rd support arm 34 is fixed on the 3rd positioning by the 3rd spring leaf 33
On plate 30 it is ensured that support arm outer end is pressed on hole wall ice sheet in the case of aperture is different or hole wall is irregular；Described first is fixed
Position plate 5, the second location-plate 20 and the 3rd location-plate 30 are bakelite, stop ultrasonic signal from being propagated to outer tube 4, and arrange two
The individual groove for fixing；First location-plate 5 is with bolt connection the first steady pin 6 and the second steady pin 7, the first steady pin 6 He
Second steady pin 7 lower end is column, in the location hole of insertion outer tube 4 relevant position；Second location-plate 20 is with bolt connection the 3rd
Steady pin 21 and the 4th steady pin 22, the 3rd steady pin 21 and the 4th steady pin 22 lower end are column, insert outer tube 4 relevant position
Location hole in；3rd location-plate 30 with bolt connection the 5th steady pin 31 and the 6th steady pin 32, the 5th steady pin 31 and
Six steady pin 32 lower end is column, in the location hole of insertion outer tube 4 relevant position；First support arm 9, second support arm 24, the 3rd
Arm 34 is made with stainless steel material.
Embodiment 2
As shown in Figure 4.
A kind of ice auger Fiber Bragg Grating FBG logging instrument, including connection member, ultrasound emitting device, ultrasound examination portion
Part, outer tube 4 and end cover 13.Described connection member is made up of top connection 1, seal nipple 2 and seal nipple seat 3；Described company
8 bolt connection seal nipple seats 3 are passed through in the top connection 1 of relay part；The central hole of described seal nipple seat 3 is with threaded
Seal nipple 2, the lower end of described seal nipple seat 3 is with the upper end of threaded outer tube 4；Described seal nipple 2 includes three companies
Connecting terminal, the first terminal is optical fiber connecting terminal, for the connection of armouring signal cable and optical fiber 12, Second terminal and the 3rd end
Son is ultrasonic signal line connection terminal, sends out with ultrasound wave compressional wave transmitting probe 10, ultrasonic transverse wave for armouring signal cable
Penetrate the connection of probe 11；Described ultrasound emitting device is by the first location-plate 5, the first steady pin 6, the second steady pin 7, the first bullet
Reed 8, first support arm 9, ultrasound wave compressional wave transmitting probe 10 and ultrasonic transverse wave transmitting probe 11 form, described ultrasound wave compressional wave
Transmitting probe 10, ultrasonic transverse wave transmitting probe 11 are fixed in first support arm 9, are controlled by earth's surface supersonic generator 15, send out
Penetrate ultrasound wave compressional wave, the shear wave signal of assigned frequency and wave amplitude, ultrasonic signal passes through the incoming ice sheet of first support arm 9；Described super
Sonic detection part is made up of three groups of ultrasonic transmission modules and optical fiber 12；First group of ultrasonic transmission module is by the second location-plate
20th, the 3rd steady pin 21, the 4th steady pin 22, second spring piece 23 and second support arm 24 form；Second group of ultrasonic transmission mould
Block is made up of the 3rd location-plate 30, the 5th steady pin 31, the 6th steady pin 32, the 3rd reed 33 and the 3rd support arm 34；3rd group
Ultrasonic transmission module is by the 4th location-plate 40, the 7th steady pin 41, the 8th steady pin 42, the 4th reed 43 and the 4th support arm 44
Composition；The first Fiber Bragg Grating FBG 25, the second Fiber Bragg Grating FBG 35 and the 3rd optical fiber Bradley is contained in described optical fiber 12
Lattice grating 45；First Fiber Bragg Grating FBG 25, the second Fiber Bragg Grating FBG 35 and the 3rd Fiber Bragg Grating FBG 45 are used for
The ultrasonic signal of detection ice sheet different parts, specifically includes time and the wave amplitude that ultrasonic signal reaches this position；Described
One Fiber Bragg Grating FBG 25 is pasted on inside second support arm 24, and the second Fiber Bragg Grating FBG 35 is pasted in the 3rd support arm 34
Side, the 3rd Fiber Bragg Grating FBG 45 is pasted on inside the 4th support arm 44；Described outer tube 4 is in cylinder, outer wall coated with resins material
Material, for stoping ultrasound wave from being propagated it is ensured that measuring accuracy in outer tube, internal setting the first location-plate 5, the second location-plate 20, the
Three location-plates 30 and the 4th location-plate 40, all location-plates extend and parallel to each other along outer tube；First support arm 9 passes through the first spring
Piece 8 is fixed on the first location-plate 5, and second support arm 24 is fixed on the second location-plate 20 by second spring piece 23, the 3rd
Arm 34 is fixed on the 3rd location-plate 30 by the 3rd spring leaf 33, and the 4th support arm 44 is fixed on the 4th by the 4th spring leaf 43
On location-plate 40 it is ensured that support arm outer end is pressed on hole wall ice sheet in the case of aperture is different or hole wall is irregular；Described
One location-plate 5, the second location-plate 20, the 3rd location-plate 30 and the 4th location-plate 40 are bakelite, stop ultrasonic signal to
Outer tube 4 is propagated, and arranges two for fixing groove；First location-plate 5 is fixing with bolt connection the first steady pin 6 and second
Pin 7, the first steady pin 6 and the second steady pin 7 lower end are column, in the location hole of insertion outer tube 4 relevant position；Second location-plate
20 with bolt connection the 3rd steady pin 21 and the 4th steady pin 22, and the 3rd steady pin 21 and the 4th steady pin 22 lower end are column,
In the location hole of insertion outer tube 4 relevant position；3rd location-plate 30 with bolt connection the 5th steady pin 31 and the 6th steady pin 32,
5th steady pin 31 and the 6th steady pin 32 lower end are column, in the location hole of insertion outer tube 4 relevant position；4th location-plate 40
With bolt connection the 7th steady pin 41 and the 8th steady pin 42, the 7th steady pin 41 and the 8th steady pin 42 lower end are column, insert
Enter in the location hole of outer tube 4 relevant position；First support arm 9, second support arm 24, the 3rd support arm 34, the 4th support arm 44 use rustless steel
Material is made.
Embodiment 3
As shown in Figure 5.
A kind of ice auger Fiber Bragg Grating FBG logging instrument, including connection member, ultrasound emitting device, ultrasound examination portion
Part, outer tube 4 and end cover 13.Described connection member is made up of top connection 1, seal nipple 2 and seal nipple seat 3；Described company
8 bolt connection seal nipple seats 3 are passed through in the top connection 1 of relay part；The central hole of described seal nipple seat 3 is with threaded
Seal nipple 2, the lower end of described seal nipple seat 3 is with the upper end of threaded outer tube 4；Described seal nipple 2 includes three companies
Connecting terminal, the first terminal is optical fiber connecting terminal, for the connection of armouring signal cable and optical fiber 12, Second terminal and the 3rd end
Son is ultrasonic signal line connection terminal, sends out with ultrasound wave compressional wave transmitting probe 10, ultrasonic transverse wave for armouring signal cable
Penetrate the connection of probe 11；Described ultrasound emitting device is by the first location-plate 5, the first steady pin 6, the second steady pin 7, the first bullet
Reed 8, first support arm 9, ultrasound wave compressional wave transmitting probe 10 and ultrasonic transverse wave transmitting probe 11 form, described ultrasound wave compressional wave
Transmitting probe 10, ultrasonic transverse wave transmitting probe 11 are fixed in first support arm 9, are controlled by earth's surface supersonic generator 15, send out
Penetrate ultrasound wave compressional wave, the shear wave signal of assigned frequency and wave amplitude, ultrasonic signal passes through the incoming ice sheet of first support arm 9；Described super
Sonic detection part is made up of four groups of ultrasonic transmission modules and optical fiber 12；First group of ultrasonic transmission module is by the second location-plate
20th, the 3rd steady pin 21, the 4th steady pin 22, second spring piece 23 and second support arm 24 form；Second group of ultrasonic transmission mould
Block is made up of the 3rd location-plate 30, the 5th steady pin 31, the 6th steady pin 32, the 3rd reed 33 and the 3rd support arm 34；3rd group
Ultrasonic transmission module is by the 4th location-plate 40, the 7th steady pin 41, the 8th steady pin 42, the 4th reed 43 and the 4th support arm 44
Composition；4th group of ultrasonic transmission module is by the 5th location-plate 50, the 9th steady pin 51, the tenth steady pin 52, the 5th reed 53
Form with the 5th support arm 54；Contain in described optical fiber 12 first Fiber Bragg Grating FBG 25, the second Fiber Bragg Grating FBG 35, the
Three Fiber Bragg Grating FBGs 45 and the 4th Fiber Bragg Grating FBG 55；First Fiber Bragg Grating FBG 25, the second optical fiber Bragg
Grating 35, the 3rd Fiber Bragg Grating FBG 45 and the 4th Fiber Bragg Grating FBG 55 are used for detecting the ultrasound wave of ice sheet different parts
Signal, specifically includes time and the wave amplitude that ultrasonic signal reaches this position；Described first Fiber Bragg Grating FBG 25 is pasted on
Inside second support arm 24, the second Fiber Bragg Grating FBG 35 is pasted on inside the 3rd support arm 34, the 3rd Fiber Bragg Grating FBG 45
It is pasted on inside the 4th support arm 44, the 4th Fiber Bragg Grating FBG 55 is pasted on inside the 5th support arm 54；Described outer tube 4 is in cylinder
Shape, outer wall coated with resins material, for stoping ultrasound wave from being propagated it is ensured that measuring accuracy in outer tube, inside arranges the first location-plate
5th, the second location-plate 20, the 3rd location-plate 30, the 4th location-plate 40 and the 5th location-plate 50, all location-plates along outer tube extend and
Parallel to each other；First support arm 9 is fixed on the first location-plate 5 by the first spring leaf 8, and second support arm 24 passes through second spring piece
23 are fixed on the second location-plate 20, and the 3rd support arm 34 is fixed on the 3rd location-plate 30 by the 3rd spring leaf 33, the 4th
Arm 44 is fixed on the 4th location-plate 40 by the 4th spring leaf 43, and the 5th support arm 54 is fixed on the 5th by the 5th spring leaf 53
On location-plate 50 it is ensured that support arm outer end is pressed on hole wall ice sheet in the case of aperture is different or hole wall is irregular；Described
One location-plate 5, the second location-plate 20, the 3rd location-plate 30, the 4th location-plate 40 and the 5th location-plate 50 are bakelite, stop
Ultrasonic signal is propagated to outer tube 4, and arranges two for fixing groove；First location-plate 5 is fixing with bolt connection first
Pin 6 and the second steady pin 7, the first steady pin 6 and the second steady pin 7 lower end are column, the location hole of insertion outer tube 4 relevant position
In；Second location-plate 20 is with bolt connection the 3rd steady pin 21 and the 4th steady pin 22, the 3rd steady pin 21 and the 4th steady pin
22 lower ends are column, in the location hole of insertion outer tube 4 relevant position；3rd location-plate 30 is with bolt connection the 5th steady pin 31 He
6th steady pin 32, the 5th steady pin 31 and the 6th steady pin 32 lower end are column, the location hole of insertion outer tube 4 relevant position
In；4th location-plate 40 with bolt connection the 7th steady pin 41 and the 8th steady pin 42, the 7th steady pin 41 and the 8th steady pin
42 lower ends are column, in the location hole of insertion outer tube 4 relevant position；5th location-plate 50 is with bolt connection the 9th steady pin 51 He
Tenth steady pin 52, the 9th steady pin 51 and the tenth steady pin 52 lower end are column, the location hole of insertion outer tube 4 relevant position
In；First support arm 9, second support arm 24, the 3rd support arm 34, the 4th support arm 44 and the 5th support arm 54 are made with stainless steel material.
Embodiment 4
As shown in Figure 6.
A kind of ice auger Fiber Bragg Grating FBG logging instrument, including connection member, ultrasound emitting device, ultrasound examination portion
Part, outer tube 4 and end cover 13.Described connection member is made up of top connection 1, seal nipple 2 and seal nipple seat 3；Described company
8 bolt connection seal nipple seats 3 are passed through in the top connection 1 of relay part；The central hole of described seal nipple seat 3 is with threaded
Seal nipple 2, the lower end of described seal nipple seat 3 is with the upper end of threaded outer tube 4；Described seal nipple 2 includes three companies
Connecting terminal, the first terminal is optical fiber connecting terminal, for the connection of armouring signal cable and optical fiber 12, Second terminal and the 3rd end
Son is ultrasonic signal line connection terminal, sends out with ultrasound wave compressional wave transmitting probe 10, ultrasonic transverse wave for armouring signal cable
Penetrate the connection of probe 11；Described ultrasound emitting device is by the first location-plate 5, the first steady pin 6, the second steady pin 7, the first bullet
Reed 8, first support arm 9, ultrasound wave compressional wave transmitting probe 10 and ultrasonic transverse wave transmitting probe 11 form, described ultrasound wave compressional wave
Transmitting probe 10, ultrasonic transverse wave transmitting probe 11 are fixed in first support arm 9, are controlled by earth's surface supersonic generator 15, send out
Penetrate ultrasound wave compressional wave, the shear wave signal of assigned frequency and wave amplitude, ultrasonic signal passes through the incoming ice sheet of first support arm 9；Described super
Sonic detection part is made up of n group ultrasonic transmission module and optical fiber 12；First group of ultrasonic transmission module is by the second location-plate
20th, the 3rd steady pin 21, the 4th steady pin 22, second spring piece 23 and second support arm 24 form；Second group of ultrasonic transmission mould
Block is made up of the 3rd location-plate 30, the 5th steady pin 31, the 6th steady pin 32, the 3rd reed 33 and the 3rd support arm 34；With such
Push away；N-th group ultrasound-transmissive module is by the (n+1)th location-plate 10n+10,2n+1 steady pin 10n+11,2n+2 steady pin 10n+
12nd, the (n+1)th spring leaf 10n+13, the (n+1)th support arm 10n+14 composition；The first Fiber Bragg Grating FBG is contained in described optical fiber 12
25th, the second Fiber Bragg Grating FBG 35 and the n-th Fiber Bragg Grating FBG 10n+15；First Fiber Bragg Grating FBG 25, the second light
Fine Bragg grating 35 and the n-th Fiber Bragg Grating FBG 10n+15 are used for detecting the ultrasonic signal of ice sheet different parts, specifically
Reach time and the wave amplitude of this position including ultrasonic signal；Described first Fiber Bragg Grating FBG 25 is pasted on second support arm 24
Inner side, the second Fiber Bragg Grating FBG 35 is pasted on inside the 3rd support arm 34, by that analogy, the n-th Fiber Bragg Grating FBG 10n+
15 are pasted on inside the (n+1)th support arm 10n+14；Described outer tube 4 is in cylinder, and outer wall coated with resins material, for stoping ultrasound wave
Propagate it is ensured that measuring accuracy in outer tube, inside arranges the first location-plate 5, the second location-plate 20, the 3rd location-plate 30 and (n+1)th
Location-plate 10n+10, all location-plates extend and parallel to each other along outer tube；First support arm 9 is fixed on by the first spring leaf 8
On one location-plate 5, second support arm 24 is fixed on the second location-plate 20 by second spring piece 23, and the 3rd support arm 34 passes through the 3rd
Spring leaf 33 is fixed on the 3rd location-plate 30, and by that analogy, it is solid that the (n+1)th support arm 10n+14 passes through the (n+1)th spring leaf 10n+13
It is scheduled on the (n+1)th location-plate 10n+10 it is ensured that support arm outer end is pressed on hole wall in the case of aperture is different or hole wall is irregular
On ice sheet；Described first location-plate 5, the second location-plate 20, the 3rd location-plate 30 and the (n+1)th location-plate 10n+10 mould for phenolic aldehyde
Material, stops ultrasonic signal from being propagated to outer tube 4, and arranges two for fixing groove；First location-plate 5 is with bolt connection
One steady pin 6 and the second steady pin 7, the first steady pin 6 and the second steady pin 7 lower end are column, insertion outer tube 4 relevant position
In location hole；Second location-plate 20 is with bolt connection the 3rd steady pin 21 and the 4th steady pin 22, the 3rd steady pin 21 and the 4th
Steady pin 22 lower end is column, in the location hole of insertion outer tube 4 relevant position；3rd location-plate 30 is fixing with bolt connection the 5th
Pin 31 and the 6th steady pin 32, the 5th steady pin 31 and the 6th steady pin 32 lower end are column, insert determining of outer tube 4 relevant position
In the hole of position；By that analogy；(n+1)th location-plate 10n+10 is with bolt connection 2n+1 steady pin 10n+11 and 2n+2 steady pin
10n+12,2n+1 steady pin 10n+11 and 2n+2 steady pin 10n+12 lower end are column, insert determining of outer tube 4 relevant position
In the hole of position；Wherein, n=2～1000；First support arm 9, second support arm 24, the 3rd support arm 34, the (n+1)th support arm 10n+14 are with stainless
Steel material is made.
Embodiment 5
As shown in Figure 7.
Optical fiber 12 is contained within the first Fiber Bragg Grating FBG 25, the second Fiber Bragg Grating FBG 35, the 3rd optical fiber Bragg
The Fiber Bragg Grating FBG of grating 45 and the 4th Fiber Bragg Grating FBG 55 4 groups of different centre wavelengths of grade, the first optical fiber Bragg
Two perpendicular shaft-like of grating 25 are pasted onto second support arm 24, and two perpendicular shaft-like of the second Fiber Bragg Grating FBG 35 are pasted onto
3rd support arm 34, two perpendicular shaft-like of the 3rd Fiber Bragg Grating FBG 45 are pasted onto the 4th support arm 44, the 4th optical fiber Bragg
Two perpendicular shaft-like of grating 55 are pasted onto the 5th support arm 54；Ultrasound wave compressional wave transmitting probe 10, ultrasonic transverse wave transmitting probe
11 are fixed in first support arm 9, and described support arm is pressed on hole wall ice sheet.Start supersonic generator 15, issue instructions to surpass
Sound wave P wave emission probe 10 and ultrasonic transverse wave transmitting probe 11, send the ultrasound wave arteries and veins of assigned frequency and wave amplitude to ice sheet
Punching；By detecting the first Fiber Bragg Grating FBG 25, the second Fiber Bragg Grating FBG 35, the 3rd Fiber Bragg Grating FBG the 45, the 4th
Fiber Bragg Grating FBG 55 receives the signal comprising ice sheet physical mechanicses information to be measured, and signal passes to letter by armored cable
Number demodulating system 14 demodulates and inputs the physical mechanicses information that computer disposal obtains hole wall ice sheet.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For the person of ordinary skill of the art, can be according to the present invention
Technical scheme and inventive concept, make corresponding change and substitute, and performance or purposes are identical, all should be considered as the present invention's
Protection domain.
Claims (3)
1. a kind of ice auger Fiber Bragg Grating FBG acoustic detecting well instrument, is characterized in that, described ice auger Fiber Bragg Grating FBG logging instrument
It is made up of connection member, ultrasound emitting device, ultrasound examination part, outer tube (4) and end cover (13)；Described connecting portion
Part is made up of top connection (1), seal nipple (2) and seal nipple seat (3)；Bolt is passed through in the top connection (1) of described connection member
Connection sealing joint seat (3)；With seal with screwed joint joint (2), described sealing connects the central hole of described seal nipple seat (3)
The lower end of headstock (3) is with the upper end of threaded outer tube (4)；Described seal nipple (2) includes three connection terminals, the first terminal
For optical fiber connecting terminal, for the connection of armouring signal cable and optical fiber (12), Second terminal and third terminal are believed for ultrasound wave
Number line connection terminal, for armouring signal cable and ultrasound wave compressional wave transmitting probe (10), ultrasonic transverse wave transmitting probe (11)
Connection；Described ultrasound emitting device is by the first location-plate (5), the first steady pin (6), the second steady pin (7), the first spring
Piece (8), first support arm (9), ultrasound wave compressional wave transmitting probe (10) and ultrasonic transverse wave transmitting probe (11) composition, described ultrasonic
Ripple P wave emission probe (10), ultrasonic transverse wave transmitting probe (11) are fixed in first support arm (9), are occurred by earth's surface ultrasound wave
Device (15) controls, the ultrasound wave compressional wave of transmitting assigned frequency and wave amplitude, shear wave signal, and ultrasonic signal passes through first support arm (9)
Incoming ice sheet；Described ultrasound examination part is made up of n group ultrasonic transmission module and optical fiber (12)；First group of ultrasonic transmission
Module is by the second location-plate (20), the 3rd steady pin (21), the 4th steady pin (22), second spring piece (23) and second support arm
(24) form；Second group of ultrasonic transmission module by the 3rd location-plate (30), the 5th steady pin (31), the 6th steady pin (32),
3rd reed (33) and the 3rd support arm (34) composition；By that analogy；N-th group ultrasound-transmissive module is by the (n+1)th location-plate (10n+
10), 2n+1 steady pin (10n+11), 2n+2 steady pin (10n+12), the (n+1)th spring leaf (10n+13) and the (n+1)th support arm
(10n+14) form；N Fiber Bragg Grating FBG is contained in described optical fiber 12；First Fiber Bragg Grating FBG (25) is pasted onto
Inside two support arms (24), the second Fiber Bragg Grating FBG 35 is pasted onto inside the 3rd support arm (34), by that analogy, the n-th optical fiber cloth
Glug grating 10n+15 is pasted onto inside the (n+1)th support arm (10n+14)；Described outer tube (4) is in cylinder, and inwall is provided with 2 (n+
1) individual location hole；Setting the first location-plate (5) inside described outer tube (4), the second location-plate (20), the 3rd location-plate (30), n-th
+ 1 location-plate (10n+10), all location-plates extend and parallel to each other along outer tube；First support arm (9) passes through the first spring leaf (8)
It is fixed on the first location-plate (5), second support arm (24) is fixed on the second location-plate (20) by second spring piece (23), the
Three support arms (34) are fixed on the 3rd location-plate (30) by the 3rd spring leaf (33), by that analogy, the (n+1)th support arm (10n+14)
It is fixed on the (n+1)th location-plate (10n+10) by the (n+1)th spring leaf (10n+13)；Described first location-plate (5), the second positioning
Plate (20), the 3rd location-plate (30) and the (n+1)th location-plate (10n+10) are made up of ultrasonic signal propagation inert material, and arrange
Two are used for fixing groove, and, with bolt connection first steady pin (6) and the second steady pin (7), first is solid for the first location-plate (5)
Rationed marketing (6) and the second steady pin (7) lower end are column, in the location hole of insertion outer tube (4) relevant position；Second location-plate (20)
With bolt connection the 3rd steady pin (21) and the 4th steady pin (22), the 3rd steady pin (21) and the 4th steady pin (22) lower end are
Column, in the location hole of insertion outer tube (4) relevant position；3rd location-plate (30) is with bolt connection the 5th steady pin (31) and
Six steady pins (32), the 5th steady pin (31) and the 6th steady pin (32) lower end are column, insert determining of outer tube (4) relevant position
In the hole of position；(n+1)th location-plate (10n+10) is with bolt connection 2n+1 steady pin (10n+11) and 2n+2 steady pin (10n+
12), 2n+1 steady pin (10n+11) and 2n+2 steady pin (10n+12) lower end are column, insertion outer tube 4 relevant position
In location hole；Wherein, n=2～1000.
2. a kind of ice auger Fiber Bragg Grating FBG acoustic detecting well instrument of claim 1, is characterized in that, described first support arm (9),
Two support arms (24), the 3rd support arm (34) and the (n+1)th support arm (10n+14) are made using stainless steel material.
3. a kind of ice auger Fiber Bragg Grating FBG acoustic detecting well instrument of claim 1, is characterized in that, described ultrasonic signal propagation
Inert material is bakelite.
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