CN105241962A - Phased array probe and phased array instrument - Google Patents
Phased array probe and phased array instrument Download PDFInfo
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- CN105241962A CN105241962A CN201510691335.7A CN201510691335A CN105241962A CN 105241962 A CN105241962 A CN 105241962A CN 201510691335 A CN201510691335 A CN 201510691335A CN 105241962 A CN105241962 A CN 105241962A
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Abstract
The invention provides a phased array probe and a phased array instrument, and relates to the technical field of checkout equipment. No matter whether a thread is machined in an oil casing coupling or not, the oil casing coupling can be effectively detected; the process is simple, time is saved, and work efficiency is improved. The phased array probe is used for conducting flaw detection on the oil casing coupling, and comprises a wedge block and an energy transducer, wherein the wedge block comprises a concave arc-shaped bottom face and an inclined face opposite to the concave arc-shaped bottom face, a preset included angle is formed by the central axes of the inclined face and the concave arc-shaped bottom face, the energy transducer comprises a body and a plurality of wafers, the body comprises a connecting face, the wafers are embedded in the connecting face, the connecting face is opposite to the inclined face, and the wafers are attached to the inclined face and distributed in arrays at intervals along the first straight line in the inclination direction of the inclined face. The phased array probe is mainly used for conducting flaw detection on the oil casing coupling.
Description
Technical field
The present invention relates to checkout equipment technical field, particularly relate to a kind of phased array probe and phased array instrument.
Background technology
Connection between usual petroleum casing pipe is connected by coupling of petroleum casing pipe, in coupling of petroleum casing pipe, car has internal thread, be threaded connection and two sleeve pipes are connected, for ensureing the sealing of junction, the precision of screw thread has strict requirement, and must not there is the defects such as crack, hole, pit in box cupling, therefore will detect coupling of petroleum casing pipe.
At present, need to be divided into the detection of coupling of petroleum casing pipe and carry out for twice, when the undressed screw thread of coupling of petroleum casing pipe, first Ultrasonic Nondestructive is carried out to its blank, can utilize ultra-sonic defect detector that ultrasound wave is propagated in blank, running into different interfaces and will produce refraction and reflection on interface, judging coupling of petroleum casing pipe blank whether defectiveness by optical viewer video screen there being no reflection events; Until coupling blank detect qualified after again screw thread process manufacture is carried out to coupling blank, double thread carries out magnetic Non-Destructive Testing afterwards, by the thread surface absorption magnetic at the box cupling be magnetized, whether judges screw thread whether existing defects continuously by observing magnetic trace.
But in the above-mentioned process detected coupling of petroleum casing pipe, have employed two kinds of diverse ways, operation is various, expends man-hour, inefficiency.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of phased array probe and phased array instrument, and no matter whether coupling of petroleum casing pipe be processed with screw thread, all can realize effectively detecting coupling of petroleum casing pipe, and operation is simple, saves time, increases work efficiency.
For achieving the above object, the present invention mainly provides following technical scheme:
On the one hand, the embodiment of the present invention provides a kind of phased array probe, for carrying out carrying out flaw detection to coupling of petroleum casing pipe, comprising:
Voussoir, described voussoir comprises arcs of recesses bottom surface and the inclined-plane relative with described arcs of recesses bottom surface, and the central axis of described inclined-plane and described arcs of recesses bottom surface forms default angle;
Be arranged at the transducer on described inclined-plane, described transducer comprises body and wafer, described body comprises joint face, described wafer is embedded in described joint face, described joint face is relative with described inclined-plane, described wafer is sticked on described inclined-plane, and the quantity of described wafer is multiple, multiple described wafer on the vergence direction on described inclined-plane along the array distribution of the first linear interval.
Particularly, the central axis of described first straight line and described arcs of recesses bottom surface is positioned at same plane.
Particularly, described default angle equals the form of thread angle of described coupling of petroleum casing pipe.
Particularly, the angle of described default angle is between 30 ° to 44 °.
Particularly, the radius of described arcs of recesses bottom surface equals the radius of the outer wall of described coupling of petroleum casing pipe.
Particularly, adjacent with the base on described inclined-plane described wafer to described arcs of recesses bottom surface has predeterminable range.
Particularly, described wafer is list structure, and the quantity of described wafer is between 16 to 64; Adjacent described wafer be spaced apart 0.5mm; The centre frequency of described transducer is 2.5MHz to 5MHz.
Particularly, the ultrasonic beam velocity of propagation in described voussoir is 2337m/s.
On the other hand, the embodiment of the present invention provides a kind of phased array instrument, comprising:
Main frame and above-mentioned phased array probe;
Described phased array probe is connected with described main frame, and described main frame is for controlling the wafer transmitting and receiving ultrasonic beam of described transducer, and described main frame comprises the display screen for showing testing result.
Particularly, the angle of the described ultrasonic beam of wafer transmitting and the normal orientation on described inclined-plane is 35 ° to 70 °.
A kind of phased array probe that the embodiment of the present invention provides and phased array instrument, main frame is connected with phased array probe, for carrying out carrying out flaw detection to coupling of petroleum casing pipe, the arcs of recesses bottom surface of voussoir is attached on the outer wall of coupling of petroleum casing pipe, and apply one deck couplant therebetween, by the axial direction steadily movement of voussoir along coupling of petroleum casing pipe, ultrasonic beam is launched by the wafer of transducer, coupling of petroleum casing pipe is detected, according to the echoed signal of the rejected region of coupling of petroleum casing pipe, and then obtain the positional information of rejected region, the echoed signal of rejected region is different from normal screw thread reflection wave signal position, independent appearance, be disturbed little, not easily there is detection leakage phenomenon, realize the Non-Destructive Testing to coupling of petroleum casing pipe, eliminate the cumbersome process carrying out at twice in prior art detecting, no matter whether coupling of petroleum casing pipe be processed with screw thread, equal can realization is effectively detected coupling of petroleum casing pipe, operation is simple, save time, increase work efficiency, but also solve in prior art the bad problem of the effect of magnetic Non-Destructive Testing is carried out to the screw thread of used coupling of petroleum casing pipe, and the screw thread of the coupling of petroleum casing pipe of the non magnetic material such as austenitic stainless steel, copper, aluminium, magnesium, titanium is not by the problem of magnetic Non-Destructive Testing, the defect of the coupling of petroleum casing pipe adopting the phased array probe of the embodiment of the present invention to detect can persistence, non-environmental-pollution, harmless.
Accompanying drawing explanation
Fig. 1 is in schematic diagram when carrying out detected state to coupling of petroleum casing pipe for a kind of phased array probe that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the voussoir of phased array probe in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of phased array probe 1, for carrying out carrying out flaw detection to coupling of petroleum casing pipe 2, comprise: voussoir 11, voussoir 11 comprises arcs of recesses bottom surface 111 and the inclined-plane 113 relative with arcs of recesses bottom surface 111, and inclined-plane 113 forms default angle 112 with the central axis of arcs of recesses bottom surface 111; Be arranged at the transducer 12 on inclined-plane 113, transducer 12 comprises body 121 and wafer 122, body 121 comprises joint face, wafer 122 is embedded in joint face, joint face is relative with inclined-plane 113, wafer 122 is sticked on inclined-plane 113, and the quantity of wafer 122 is multiple, multiple wafer 122 on the vergence direction on inclined-plane 113 along the array distribution at the first straight line 114 interval.
When using phased array probe 1 pair of coupling of petroleum casing pipe 2 to detect, the arcs of recesses bottom surface 111 of voussoir 11 is attached on the outer wall of coupling of petroleum casing pipe 2, between the arcs of recesses bottom surface 111 and the outer wall of coupling of petroleum casing pipe 2 of voussoir 11, apply one deck couplant, generally select the entrant sound such as machine oil or paste good and couplant that is not damage check surface; Multiple wafer 122 is evenly distributed on inclined-plane 113 by certain interval along the first straight line 114, form array element, electric excitation is given to the multiple separate array element of linear array, synthesis beam transmission can be produced, when synthesis wave beam detects the rejected region of coupling of petroleum casing pipe 2, be reflected back array element, array element receives the echoed signal of rejected region, obtain the positional information of rejected region, above-mentioned synthesis wave beam is ultrasonic beam, and wherein, the echoed signal of rejected region is different from normal screw thread reflection wave signal position, independent appearance, echoed signal is interfered little.
A kind of phased array probe that the embodiment of the present invention provides, for carrying out carrying out flaw detection to coupling of petroleum casing pipe, the arcs of recesses bottom surface of voussoir is attached on the outer wall of coupling of petroleum casing pipe, and apply one deck couplant therebetween, by the axial direction steadily movement of voussoir along coupling of petroleum casing pipe, ultrasonic beam is launched by the wafer of transducer, coupling of petroleum casing pipe is detected, according to the echoed signal of the rejected region of coupling of petroleum casing pipe, and then obtain the positional information of rejected region, the echoed signal of rejected region is different from normal screw thread reflection wave signal position, independent appearance, be disturbed little, not easily there is detection leakage phenomenon, realize the Non-Destructive Testing to coupling of petroleum casing pipe, eliminate the cumbersome process carrying out at twice in prior art detecting, no matter whether coupling of petroleum casing pipe be processed with screw thread, equal can realization is effectively detected coupling of petroleum casing pipe, operation is simple, save time, increase work efficiency, but also solve in prior art the bad problem of the effect of magnetic Non-Destructive Testing is carried out to the screw thread of used coupling of petroleum casing pipe, and the screw thread of the coupling of petroleum casing pipe of the non magnetic material such as austenitic stainless steel, copper, aluminium, magnesium, titanium is not by the problem of magnetic Non-Destructive Testing, the defect of the coupling of petroleum casing pipe adopting the phased array probe of the embodiment of the present invention to detect can persistence, non-environmental-pollution, harmless.
Particularly, the first straight line 114 is positioned at same plane with the central axis of arcs of recesses bottom surface 111.In testing process, the central axis of arcs of recesses bottom surface 111 and the axis being parallel of coupling of petroleum casing pipe 2, wafer 122 is along the first straight line 114 array, and therefore the array direction of wafer 122 and the axis of coupling of petroleum casing pipe 2 are positioned at same plane.
Particularly, the form of thread angle that angle 112 equals coupling of petroleum casing pipe 2 is preset.The ultrasonic beam that wafer 122 is launched can arrive the bottom of thread of coupling of petroleum casing pipe 2, can carry out omnibearing detection to coupling of petroleum casing pipe 2.
Particularly, the angle of angle 112 is preset between 30 ° to 44 °.The wall thickness of coupling of petroleum casing pipe 2 is generally between 5mm to 30mm, the ultrasonic beam that wafer 122 is launched arrives the bottom of thread of coupling of petroleum casing pipe 2 through voussoir 11, comprehensive detection is carried out to coupling of petroleum casing pipe 2, between optional 30 ° to 44 ° of the angle of inclination on the inclined-plane 113 of voussoir 11.
Particularly, the radius of arcs of recesses bottom surface 111 equals the radius of the outer wall of coupling of petroleum casing pipe 2.The arcs of recesses bottom surface 111 of voussoir 11 is suitable with the outer wall of coupling of petroleum casing pipe 2, and the arcs of recesses bottom surface 111 of voussoir 11 can be close on the outer wall of coupling of petroleum casing pipe 2.
Particularly, 123 to the arcs of recesses bottom surface, center 111 of adjacent with the base on inclined-plane 113 wafer 122 has predeterminable range.When detecting coupling of petroleum casing pipe 2, certain distance to be had near between the wafer 122 of the arcs of recesses bottom surface 111 of voussoir 11 and the outer wall of coupling of petroleum casing pipe 2, make more accurately to detect the surface whether defectiveness of coupling of petroleum casing pipe 2, in the present embodiment, the default angle 112 of voussoir 11 can be designed as 36 °, and predeterminable range is designed to 7.97mm.
Particularly, wafer 122 is list structure, and the quantity of wafer 122 is between 16 to 64; Adjacent chip 122 be spaced apart 0.5mm; The centre frequency of transducer 12 is 2.5MHz to 5MHz.Wherein, the quantity of wafer 122 is more, more can improve the precision and efficiency that detect, but also can increase testing cost simultaneously, the quantity of wafer 122 can be arranged between 16 to 64, consider and can be set to 32, and the spacing of adjacent chip 122 that is between array element is 0.5mm, the centre frequency of general transducer 12 selects 2.5MHz to 5MHz.
Particularly, the ultrasonic beam velocity of propagation in voussoir 11 is 2337m/s.The ultrasonic beam of being launched by wafer 122 is through in voussoir 11 to coupling of petroleum casing pipe 2, and the velocity of propagation of ultrasonic beam in voussoir 11 is 2337m/s.
The phased array probe of the embodiment of the present invention make use of phased-array technique, be applied in the Non-Destructive Testing of coupling of petroleum casing pipe, the transducer of phased array probe can be connected with computing machine, the array element of the wafer composition of pair array gives electric excitation time different, control the time delay of each independent array element, the ultrasonic beam of different directive property can be generated, produce multi-form acoustic beam effect, such as provide the excitation by the time delay of quafric curve rule to array element, sound field composite wave front is made to be quafric curve concave surface, thus realize beam focal, the focal length of the ultrasonic beam of launching can change with the different delayed time of launching driving pulse, therefore the time delay by changing driving pulse is focused, obtain dynamic focusing, the flaw detection of the full degree of depth can be carried out, adopt polycrystal array emitter, add the energy of transmitted wave, improve fine degree and the order of accuarcy of Non-Destructive Testing.
A kind of phased array probe that the embodiment of the present invention provides, for carrying out carrying out flaw detection to coupling of petroleum casing pipe, the arcs of recesses bottom surface of voussoir is attached on the outer wall of coupling of petroleum casing pipe, and apply one deck couplant therebetween, by the axial direction steadily movement of voussoir along coupling of petroleum casing pipe, ultrasonic beam is launched by the wafer of transducer, coupling of petroleum casing pipe is detected, according to the echoed signal of the rejected region of coupling of petroleum casing pipe, and then obtain the positional information of rejected region, the echoed signal of rejected region is different from normal screw thread reflection wave signal position, independent appearance, be disturbed little, not easily there is detection leakage phenomenon, realize the Non-Destructive Testing to coupling of petroleum casing pipe, eliminate the cumbersome process carrying out at twice in prior art detecting, no matter whether coupling of petroleum casing pipe be processed with screw thread, equal can realization is effectively detected coupling of petroleum casing pipe, operation is simple, save time, increase work efficiency, but also solve in prior art the bad problem of the effect of magnetic Non-Destructive Testing is carried out to the screw thread of used coupling of petroleum casing pipe, and the screw thread of the coupling of petroleum casing pipe of the non magnetic material such as austenitic stainless steel, copper, aluminium, magnesium, titanium is not by the problem of magnetic Non-Destructive Testing, the defect of the coupling of petroleum casing pipe adopting the phased array probe of the embodiment of the present invention to detect can persistence, non-environmental-pollution, harmless.
The embodiment of the present invention also provides a kind of phased array instrument, as depicted in figs. 1 and 2, comprising: main frame and above-mentioned phased array probe 1; Phased array probe 1 is connected with main frame, and main frame transmits and receives ultrasonic beam for the wafer 122 controlling transducer 12, and main frame comprises the display screen for showing testing result.
Wherein, structure and the principle of work of phased array probe 1 are same as the previously described embodiments, do not repeat them here.Electric excitation is given to the array element formed by multiple wafer by operating host, generation ultrasonic beam is launched, the reflectance ultrasound wave beam of the rejected region of coupling of petroleum casing pipe 2 is received by wafer 122 i.e. array element, convert electric signal to, by demonstrating image from the display screen of main frame, and then the positional information of the rejected region of acquisition coupling of petroleum casing pipe 2.Host-controllable combinations sheet 122 according to certain rules delay emission and time delay receives ultrasonic beam, obtains maximum composite signal, improves the precision of Non-Destructive Testing.
Particularly, the angle of the ultrasonic beam of wafer 122 transmitting and the normal orientation on inclined-plane is 35 ° to 70 °.The incident angle adjustable of the ultrasonic beam that wafer 122 is launched, fan-shapedly to scan with 35 ° to 70 °, realize the comprehensive detection to coupling of petroleum casing pipe 2, ultrasonic beam can vertical incidence to the crack defect existed in the sidewall of coupling of petroleum casing pipe 2 and screw thread, improve reflectivity, signal stabilization can be realized clear without clutter.
A kind of phased array instrument that the embodiment of the present invention provides, its main frame is connected with phased array probe, for carrying out carrying out flaw detection to coupling of petroleum casing pipe, the arcs of recesses bottom surface of voussoir is attached on the outer wall of coupling of petroleum casing pipe, and apply one deck couplant therebetween, by the axial direction steadily movement of voussoir along coupling of petroleum casing pipe, ultrasonic beam is launched by the wafer of transducer, coupling of petroleum casing pipe is detected, according to the echoed signal of the rejected region of coupling of petroleum casing pipe, and then obtain the positional information of rejected region, the echoed signal of rejected region is different from normal screw thread reflection wave signal position, independent appearance, be disturbed little, not easily there is detection leakage phenomenon, realize the Non-Destructive Testing to coupling of petroleum casing pipe, eliminate the cumbersome process carrying out at twice in prior art detecting, no matter whether coupling of petroleum casing pipe be processed with screw thread, equal can realization is effectively detected coupling of petroleum casing pipe, operation is simple, save time, increase work efficiency, but also solve in prior art the bad problem of the effect of magnetic Non-Destructive Testing is carried out to the screw thread of used coupling of petroleum casing pipe, and the screw thread of the coupling of petroleum casing pipe of the non magnetic material such as austenitic stainless steel, copper, aluminium, magnesium, titanium is not by the problem of magnetic Non-Destructive Testing, the defect of the coupling of petroleum casing pipe adopting the phased array probe of the embodiment of the present invention to detect can persistence, non-environmental-pollution, harmless.
The above, it is only preferred embodiment of the present invention, not do any pro forma restriction to the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a phased array probe, for carrying out carrying out flaw detection to coupling of petroleum casing pipe, is characterized in that, comprising:
Voussoir, described voussoir comprises arcs of recesses bottom surface and the inclined-plane relative with described arcs of recesses bottom surface, and the central axis of described inclined-plane and described arcs of recesses bottom surface forms default angle;
Be arranged at the transducer on described inclined-plane, described transducer comprises body and wafer, described body comprises joint face, described wafer is embedded in described joint face, described joint face is relative with described inclined-plane, described wafer is sticked on described inclined-plane, and the quantity of described wafer is multiple, multiple described wafer on the vergence direction on described inclined-plane along the array distribution of the first linear interval.
2. phased array probe according to claim 1, is characterized in that,
The central axis of described first straight line and described arcs of recesses bottom surface is positioned at same plane.
3. phased array probe according to claim 2, is characterized in that,
Described default angle equals the form of thread angle of described coupling of petroleum casing pipe.
4. phased array probe according to claim 2, is characterized in that,
The angle of described default angle is between 30 ° to 44 °.
5. phased array probe according to claim 4, is characterized in that,
The radius of described arcs of recesses bottom surface equals the radius of the outer wall of described coupling of petroleum casing pipe.
6. phased array probe according to claim 5, is characterized in that,
The described wafer adjacent with the base on described inclined-plane to described arcs of recesses bottom surface has predeterminable range.
7. phased array probe according to claim 6, is characterized in that,
Described wafer is list structure, and the quantity of described wafer is between 16 to 64;
Adjacent described wafer be spaced apart 0.5mm;
The centre frequency of described transducer is 2.5MHz to 5MHz.
8. phased array probe as claimed in any of claims 1 to 7, is characterized in that,
Ultrasonic beam velocity of propagation in described voussoir is 2337m/s.
9. a phased array instrument, is characterized in that, comprising:
Main frame and as claimed in any of claims 1 to 8 in one of claims phased array probe;
Described phased array probe is connected with described main frame, and described main frame is for controlling the wafer transmitting and receiving ultrasonic beam of described transducer, and described main frame comprises the display screen for showing testing result.
10. phased array instrument according to claim 9, is characterized in that,
The angle of the normal orientation on the ultrasonic beam that described wafer is launched and described inclined-plane is 35 ° to 70 °.
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| CN106524958A (en) * | 2016-10-21 | 2017-03-22 | 安徽津利能源科技发展有限责任公司 | Testing and evaluating method for phased array ultrasonic probe wedge wear validity |
| CN108088913A (en) * | 2018-01-09 | 2018-05-29 | 东莞理工学院 | For the piezoelectric supersonic guided wave probe of rail flange of rail flaw detection and its method of detection |
| CN111989876A (en) * | 2018-04-24 | 2020-11-24 | 索尼公司 | Electronic device, method, and storage medium for wireless communication system |
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Application publication date: 20160113 |