CN105424813A - Superimposed wave attenuation probe for core sound wave measurement - Google Patents
Superimposed wave attenuation probe for core sound wave measurement Download PDFInfo
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- CN105424813A CN105424813A CN201510771179.5A CN201510771179A CN105424813A CN 105424813 A CN105424813 A CN 105424813A CN 201510771179 A CN201510771179 A CN 201510771179A CN 105424813 A CN105424813 A CN 105424813A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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Abstract
The invention relates to the technical field of core sound wave measurement probes, in particular to a superimposed wave attenuation probe for core sound wave measurement. The superimposed wave attenuation probe comprises a sound wave propagation head, a probe attenuation casing, a tail connecting sleeve, a probe tail, a sound wave wafer and a superimposed wave attenuator, wherein the probe attenuation casing is fixedly installed on the upper end face of the sound wave propagation head, the probe attenuation casing and the lower end of the probe tail are fixedly installed together through the tail connecting sleeve, and a lead hole longitudinally penetrating through the probe tail is formed in the probe tail. The superimposed wave attenuation probe is reasonable and compact in structure and convenient to use. By means of the reverse-tower-shaped superimposed wave attenuator which is arranged above the sound wave wafer and provided with grooves on each layer, absorption attenuation of direct waves, reflected waves and refracted waves is achieved effectively. By means of the probe attenuation casing outside the sound wave wafer, direct waves from the sound wave propagation head to the tail connecting sleeve are effectively attenuated, transmission and receiving of head waves can be achieved by the sound wave propagation head without superimposed wave interference, and measurement precision is improved.
Description
Technical field
The present invention relates to rock core acoustic measurement probe technologies field, is that a kind of superposition wave attenuation for rock core acoustic measurement is popped one's head in.
Background technology
For a long time, because rock core acoustic measurement probe Mintrop wave is by the impact of self direct wave, reflection wave, refraction wave superposition, cause rock core direct wave Mintrop wave to be reflected, reflect the disturbance ecology difficulty of superposition, rock core acoustic measurement error is large.Because rock core sonic probe can not effectively absorb self direct wave, reflection, refraction wave in the past, rock core sonic probe self reflection, refraction wave meeting and Mintrop wave are superimposed as unordered ripple, and rock core acoustic measurement precision can not effectively be ensured.
Summary of the invention
The invention provides a kind of superposition wave attenuation for rock core acoustic measurement to pop one's head in, overcome the deficiency of above-mentioned prior art, it effectively can solve rock core sonic probe in the past can not effectively absorb self direct wave, reflection, refraction wave, rock core sonic probe self reflection, refraction wave meeting and Mintrop wave are superimposed as unordered ripple, make rock core acoustic measurement precision can not obtain the problem effectively ensured.
Technical scheme of the present invention is realized by following measures: a kind of superposition wave attenuation for rock core acoustic measurement is popped one's head in, and comprises sound wave transmission top, probe decay cover, afterbody coupling sleeve, probe afterbody, sound wave wafer and superposition wave attenuators; Upper surface, sound wave transmission top is installed with probe decay cover, probe decay cover is fixedly installed togather by afterbody coupling sleeve with probe afterbody lower end, probe afterbody is provided with the fairlead longitudinally running through probe afterbody, the sound quarter wave plate 14 in the sound wave transmission seat of honour, upper surface, top in probe decay cover, sound wave wafer is provided with lead-in wire and connects, be provided with above sound wave wafer and be fixed on probe and decay the superposition wave attenuators that puts, superposition wave attenuators is in tower-like and every layer of groove being equipped with at least one.
Here is the further optimization and/or improvements to foregoing invention technical scheme:
Above-mentioned probe afterbody lower surface can be provided with and overlap corresponding annular boss with popping one's head in decay, bottom annular boss and probe decay to overlap between top and be provided with the first installation annular groove, superposition wave attenuators top is fixed with attenuator seat, and attenuator seat coupling is fixed in the first installation annular groove.
On above-mentioned probe afterbody lower surface, corresponding sound wave wafer position is provided with shielding line connecting hole.
Sponge can be provided with between above-mentioned superposition wave attenuators and sound wave wafer.
Above-mentioned superposition wave attenuators can be teflon superposition wave attenuators, and probe decay cover is teflon probe decay cover.
Upper surface can be provided with the second installation annular groove in above-mentioned sound wave transmission top, and probe decay cover bottom is fixed with the decay cover base of ring-type and seat is installed in annular groove in second.
Between above-mentioned afterbody coupling sleeve and probe afterbody, afterbody coupling sleeve and decay overlap between base, decay overlap base and sound wave transmission come directly towards between all O-ring seal can be installed.
Reasonable and compact in structure of the present invention, easy to use, its by above sound wave wafer in tower-like and every layer of superposition wave attenuators being equipped with groove, effectively attenuation by absorption is carried out to direct wave, reflection wave, refraction wave; By the probe decay cover outside sound wave wafer, effective attenuation sound wave transmission top, to the direct wave of afterbody coupling sleeve, makes sound wave transmission come directly towards and imports and receive Mintrop wave into not by superposition wave interference, improve measuring accuracy.
Accompanying drawing explanation
Accompanying drawing 1 is that the master of preferred embodiment looks sectional structure schematic diagram.
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to sectional structure schematic diagram.
Coding in accompanying drawing is respectively: 1 is sound wave transmission top, and 2 is probe decay cover, and 3 is afterbody coupling sleeve, 4 is probe afterbody, and 5 is sound wave wafer, and 6 is superposition wave attenuators, 7 is annular boss, and 8 is fairlead, and 9 is the first installation annular groove, 10 is attenuator seat, 11 is lead-in wire connection, and 12 is sponge, and 13 is shielding line connecting hole, 14 is decay cover base, and 15 is O-ring seal.
Embodiment
The present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
As shown in accompanying drawing 1,2, this superposition wave attenuation probe being used for rock core acoustic measurement comprises sound wave transmission top 1, probe decay cover 2, afterbody coupling sleeve 3, probe afterbody 4, sound wave wafer 5 and superposition wave attenuators 6; Sound wave transmission comes directly towards on 1 upper surface and is installed with probe decay cover 2, probe decay cover 2 is fixedly installed togather by afterbody coupling sleeve 3 with probe afterbody 4 lower end, probe afterbody 4 is provided with the fairlead 8 longitudinally running through probe afterbody 4, sound wave transmission in probe decay cover 2 comes directly towards the 1 sound quarter wave plate 14 5 in the seat of honour, upper surface, be provided with the superposition wave attenuators 6 be fixed on probe decay cover 2 above sound wave wafer 5, superposition wave attenuators 6 is in tower-like and every layer of groove being equipped with at least one.First measurement lead-in wire is connected to lead-in wire connection 11 before measurement, and is drawn by fairlead 8; During measurement, be coupled rock core both ends of the surface a present invention respectively, and the measurement lead-in wire that one end is drawn connects frequency emitter, and the measurement that the other end is drawn goes between connection signal amplifier and oscillograph in turn.Open coupling pressure, initiation culture transmitter, oscillograph Received signal strength, follow the tracks of rock core Mintrop wave signal, acquisition and recording follows the tracks of time difference value.By in tower-like and every layer of superposition wave attenuators 6 being equipped with groove, effectively probe afterbody 4 direct wave, reflection wave, refraction wave are carried out attenuation by absorption; By probe decay cover 2, the direct wave of effective attenuation sound wave transmission top 1 to afterbody coupling sleeve 3, makes sound wave transmission come directly towards 1 and imports into and receive Mintrop wave not by superposition wave interference, complete rock core sound wave and accurately measure.
According to actual needs, the above-mentioned probe of the superposition wave attenuation for rock core acoustic measurement can be made further optimization and/or improvements:
As shown in Figure 1, probe afterbody 4 lower surface is provided with and annular boss 7 corresponding to cover 2 of decaying of popping one's head in, bottom annular boss 7 and probe decay between cover 2 top and be provided with the first installation annular groove 9, superposition wave attenuators 6 top is fixed with attenuator seat 10, and attenuator seat 10 coupling is fixed in the first installation annular groove 9.Make attenuator seat 10, superposition wave attenuators 6 harmony quarter wave plate 14 5 fixing reliable like this, and be convenient to installing/dismounting when the present invention safeguards.
As shown in Figure 1, on probe afterbody 4 lower surface, corresponding sound wave wafer 5 position is provided with shielding line connecting hole 13.The shielding line measured on lead-in wire can be separated like this and be connected to shielding line connecting hole 13 and ground connection, shield external undesired signal, avoid interference signal transmission, reduce loss simultaneously.
As shown in Figure 1, superpose between wave attenuators 6 and sound wave wafer 5 and be provided with sponge 12.Can not only absorb sound wave by sponge 12 like this, rearwardly coupling sleeve 3, probe afterbody 4, the reflection wave of sound wave transmission top 1 propagation formation, refraction wave import rock core into, the identification of interference rock core direct wave Mintrop wave effectively to stop sound wave wafer 5 direct wave; Damping, depressurization can also be played, protection sound wave wafer 5.
As shown in accompanying drawing 1,2, superposition wave attenuators 6 is teflon superposition wave attenuators, and probe decay cover 2 is teflon probe decay cover.Such energy strengthening attenuation function of the present invention.
As shown in Figure 1, sound wave transmission comes directly towards 1 upper surface and is provided with the second installation annular groove, is fixed with the decay cover base 14 of ring-type and seat is installed in annular groove in second bottom probe decay cover 2.The direct wave of the better attenuate sound wave loops top of such energy 1 to afterbody coupling sleeve 3, is also convenient to the fixed installation of sound wave transmission top 1 and afterbody coupling sleeve 3.
As shown in Figure 1, between afterbody coupling sleeve 3 and probe afterbody 4, afterbody coupling sleeve 3 and decay overlap between base 14, decay overlap base 14 and sound wave transmission come directly towards 1 between O-ring seal 15 is all installed.Can prevent external interference like this, increase measurement accuracy.
Above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (10)
1. the superposition wave attenuation for rock core acoustic measurement is popped one's head in, and it is characterized in that comprising sound wave transmission top, probe decay cover, afterbody coupling sleeve, probe afterbody, sound wave wafer and superposition wave attenuators; Upper surface, sound wave transmission top is installed with probe decay cover, probe decay cover is fixedly installed togather by afterbody coupling sleeve with probe afterbody lower end, probe afterbody is provided with the fairlead longitudinally running through probe afterbody, the sound quarter wave plate 14 in the sound wave transmission seat of honour, upper surface, top in probe decay cover, sound wave wafer is provided with lead-in wire and connects, be provided with above sound wave wafer and be fixed on probe and decay the superposition wave attenuators that puts, superposition wave attenuators is in tower-like and every layer of groove being equipped with at least one.
2. the superposition wave attenuation for rock core acoustic measurement according to claim 1 is popped one's head in, it is characterized in that probe afterbody lower surface is provided with and overlap corresponding annular boss with popping one's head in decay, bottom annular boss and probe decay to overlap between top and be provided with the first installation annular groove, superposition wave attenuators top is fixed with attenuator seat, and attenuator seat coupling is fixed in the first installation annular groove.
3. the superposition wave attenuation for rock core acoustic measurement according to claim 1 and 2 is popped one's head in, and it is characterized in that on probe afterbody lower surface, corresponding sound wave wafer position is provided with shielding line connecting hole; Or/and, be provided with sponge between superposition wave attenuators and sound wave wafer.
4. the superposition wave attenuation for rock core acoustic measurement according to claim 1 and 2 is popped one's head in, and it is characterized in that superposition wave attenuators is teflon superposition wave attenuators, and probe decay cover is teflon probe decay cover.
5. the superposition wave attenuation for rock core acoustic measurement according to claim 3 is popped one's head in, and it is characterized in that superposition wave attenuators is teflon superposition wave attenuators, and probe decay cover is teflon probe decay cover.
6. the superposition wave attenuation for rock core acoustic measurement according to claim 1 and 2 is popped one's head in, it is characterized in that upper surface, sound wave transmission top is provided with the second installation annular groove, probe decay cover bottom is fixed with the decay cover base of ring-type and seat is installed in annular groove in second.
7. the superposition wave attenuation for rock core acoustic measurement according to claim 3 is popped one's head in, and it is characterized in that upper surface, sound wave transmission top is provided with the second installation annular groove, and probe decay cover bottom is fixed with the decay cover base of ring-type and seat is installed in annular groove in second.
8. the superposition wave attenuation for rock core acoustic measurement according to claim 5 is popped one's head in, and it is characterized in that upper surface, sound wave transmission top is provided with the second installation annular groove, and probe decay cover bottom is fixed with the decay cover base of ring-type and seat is installed in annular groove in second.
9. the superposition wave attenuation for rock core acoustic measurement according to claim 6 is popped one's head in, it is characterized in that between afterbody coupling sleeve and probe afterbody, afterbody coupling sleeve and decay overlapped between base, decay overlap base and sound wave transmission come directly towards between all O-ring seal is installed.
10. the superposition wave attenuation for rock core acoustic measurement according to claim 8 is popped one's head in, it is characterized in that between afterbody coupling sleeve and probe afterbody, afterbody coupling sleeve and decay overlapped between base, decay overlap base and sound wave transmission come directly towards between all install and be provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771179.5A CN105424813A (en) | 2015-11-12 | 2015-11-12 | Superimposed wave attenuation probe for core sound wave measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771179.5A CN105424813A (en) | 2015-11-12 | 2015-11-12 | Superimposed wave attenuation probe for core sound wave measurement |
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| Publication Number | Publication Date |
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| CN105424813A true CN105424813A (en) | 2016-03-23 |
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| CN201510771179.5A Pending CN105424813A (en) | 2015-11-12 | 2015-11-12 | Superimposed wave attenuation probe for core sound wave measurement |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6279321A (en) * | 1985-10-01 | 1987-04-11 | Mitsubishi Heavy Ind Ltd | Method for testing acoustic characteristics |
| JPH07128106A (en) * | 1993-11-01 | 1995-05-19 | Fuji Electric Co Ltd | Ultrasonic transceiver |
| JP2000329612A (en) * | 1999-05-21 | 2000-11-30 | Koji Toda | Sound pressure detector |
| CN2807256Y (en) * | 2005-06-30 | 2006-08-16 | 宝山钢铁股份有限公司 | Ultrasonic assembled probe used for longitudinal/transverse wave combining detection of defects |
| CN201110844Y (en) * | 2007-10-23 | 2008-09-03 | 西南石油大学 | Rock core vertical and horizontal wave velocity measuring probe |
| CN201653999U (en) * | 2010-01-22 | 2010-11-24 | 宦康宁 | Intelligent ultrasonic transverse wave and longitudinal wave comprehensive tester |
-
2015
- 2015-11-12 CN CN201510771179.5A patent/CN105424813A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6279321A (en) * | 1985-10-01 | 1987-04-11 | Mitsubishi Heavy Ind Ltd | Method for testing acoustic characteristics |
| JPH07128106A (en) * | 1993-11-01 | 1995-05-19 | Fuji Electric Co Ltd | Ultrasonic transceiver |
| JP2000329612A (en) * | 1999-05-21 | 2000-11-30 | Koji Toda | Sound pressure detector |
| CN2807256Y (en) * | 2005-06-30 | 2006-08-16 | 宝山钢铁股份有限公司 | Ultrasonic assembled probe used for longitudinal/transverse wave combining detection of defects |
| CN201110844Y (en) * | 2007-10-23 | 2008-09-03 | 西南石油大学 | Rock core vertical and horizontal wave velocity measuring probe |
| CN201653999U (en) * | 2010-01-22 | 2010-11-24 | 宦康宁 | Intelligent ultrasonic transverse wave and longitudinal wave comprehensive tester |
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Effective date of abandoning: 20181204 |
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