CN214585122U - Flexible ultrasonic array detection device for complex curved surface - Google Patents

Flexible ultrasonic array detection device for complex curved surface Download PDF

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Publication number
CN214585122U
CN214585122U CN202120201537.XU CN202120201537U CN214585122U CN 214585122 U CN214585122 U CN 214585122U CN 202120201537 U CN202120201537 U CN 202120201537U CN 214585122 U CN214585122 U CN 214585122U
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flexible ultrasonic
phased array
sensor
array probe
ultrasonic phased
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蔡庆生
邓宇
韩松
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Guangzhou Duopule Electronic Technology Co ltd
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Guangzhou Duopule Electronic Technology Co ltd
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Abstract

The invention discloses a flexible ultrasonic array detection device for a complex curved surface, which comprises a flexible ultrasonic phased array probe and an array element space coordinate measuring device positioned on the back of the flexible ultrasonic phased array probe; the array element space coordinate measuring device comprises a support frame and a sensor seat arranged on the support frame; the flexible ultrasonic phased array probe is arranged on the bottom surface of the support frame, and the sensor seat is positioned above the back surface of the flexible ultrasonic phased array probe; and the sensor base is provided with a distance measuring sensor for measuring the distance between the corresponding position of the back surface of the flexible ultrasonic phased array probe and the sensor base. The distance between different positions of the flexible ultrasonic phased array probe and the sensor seat is obtained by measuring with the distance measuring sensor, so that the curved surface relation of the coupling surface is obtained, the focusing parameters of the flexible ultrasonic phased array probe are further formed, the parameters are finally used for imaging, and the key technical problem of the application of the flexible ultrasonic phased array on a complex curved surface is solved.

Description

Flexible ultrasonic array detection device for complex curved surface
Technical Field
The utility model belongs to the technical field of the supersound nondestructive test, specific be a flexible ultrasonic array detection device of complicated curved surface.
Background
In recent years, with the rapid development of manufacturing industry, functional parts have increasingly complex shapes and are widely applied to the fields of energy, rail transit, aerospace and the like, and the service life and safety of the functional parts are highly regarded. The ultrasonic nondestructive testing is a testing and evaluating method for obtaining macroscopic defects, geometrical characteristics, tissue structures and mechanical properties of a tested object by emitting ultrasonic waves to the surface or the interior of a test piece and receiving and analyzing ultrasonic signals transmitted by a medium. The ultrasonic phased array detection is a time-delay-based multi-channel scanning imaging technology, has great advantages in detection of complex curved surface components, can flexibly control deflection and focusing of sound beams through a time delay rule, and has the advantages of wide detection range, high precision, high scanning speed and the like.
The traditional ultrasonic phased array probe is a rigid surface and cannot be directly coupled with a complex curved surface, and a water immersion method or a coupling wedge block matched with the curved surface is generally adopted to indirectly transmit sound energy to a to-be-tested piece during detection of the complex curved surface. The water immersion method can cause a large amount of loss of sound energy transmission at an interface due to the acoustic impedance difference between the coupling liquid and a workpiece, and cannot be realized under the constraints of large volume, in-service detection and the like; the curved wedge can match with the curved surface of the workpiece, but only can correspond to a specific geometric configuration.
Disclosure of Invention
Currently, flexible ultrasound phased array probes are developed based on curved surface applications. In the application of detecting complex workpieces, although the flexible ultrasonic phased array probe can perfectly fit the surface of an irregular workpiece and can well solve the coupling problem, the propagation rule of ultrasonic waves in materials is complex due to the influence of a curved interface. Because no flexible ultrasonic phased array probe is attached to the array element space coordinate on the surface of a workpiece, accurate phased array or full focus and other focusing imaging cannot be carried out on the flexible ultrasonic phased array probe, the imaging quality is poor, the phased array advantage of the array probe cannot be embodied, and the application of the flexible ultrasonic phased array technology is greatly limited.
In view of this, the utility model aims at providing a flexible ultrasonic array detection device of complicated curved surface can accurately acquire flexible ultrasonic phased array probe and laminate in workpiece surface's array element space coordinate, solves the key technical problem that flexible ultrasonic phased array was used at complicated curved surface.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a flexible ultrasonic array detection device for a complex curved surface comprises a flexible ultrasonic phased array probe and an array element space coordinate measuring device, wherein the array element space coordinate measuring device is positioned on the back surface of the flexible ultrasonic phased array probe;
the array element space coordinate measuring device comprises a support frame and a sensor seat arranged on the support frame; the flexible ultrasonic phased array probe is arranged on the bottom surface of the support frame, and the sensor seat is positioned above the back surface of the flexible ultrasonic phased array probe;
and the sensor base is provided with a distance measuring sensor for measuring the distance between the corresponding position of the back surface of the flexible ultrasonic phased array probe and the sensor base.
Furthermore, the distance measuring sensor is connected with distance measuring equipment for controlling the distance measuring; and the flexible ultrasonic phased array probe is connected with an ultrasonic imaging device for controlling the imaging of the flexible ultrasonic phased array probe.
Further, the distance measuring sensor adopts an acoustic sensor.
Furthermore, a coupling medium cavity is arranged in the support frame and is positioned between the flexible ultrasonic phased array probe and the acoustic sensor.
Furthermore, a coupling medium injection port is arranged on the coupling medium cavity.
Further, the distance measuring sensor adopts an optical sensor.
Furthermore, the support frame comprises two parallel supporting plates, the flexible ultrasonic phased array probe is arranged on the bottom surfaces of the two supporting plates, and the sensor seat is arranged between the two supporting plates.
Further, the sensor seat is arranged between the two supporting plates in a sliding fit manner; the sensor seat is characterized in that the supporting plates are provided with long strip-shaped adjusting holes, two ends of the sensor seat are respectively provided with a stud capable of penetrating through the adjusting holes, and the studs are provided with locking nuts used for locking and fixing the sensor seat between the two supporting plates.
Furthermore, a guide rail is arranged on the sensor seat, and the optical sensor is installed on the guide rail in a sliding fit manner.
Furthermore, one end of the flexible ultrasonic phased array probe is fixedly connected with one of the support plates, and the other end of the flexible ultrasonic phased array probe is in sliding fit with the other support plate; or the two ends of the flexible ultrasonic phased array probe are respectively in sliding fit with the two support plates;
when the support plate is in sliding fit with the flexible ultrasonic phased array probe, a sliding groove is formed in the bottom of the support plate, and the flexible ultrasonic phased array probe is installed in the sliding groove in a sliding fit mode.
The beneficial effects of the utility model reside in that:
the utility model discloses a flexible supersound array detection device of complicated curved surface, set up sensor seat and set up distance measuring sensor on sensor seat through the back at flexible supersound phased array probe, utilize distance measuring sensor to measure the distance that obtains the different positions of flexible supersound phased array probe for sensor seat, thereby obtain the curved surface relation of the coupling surface between flexible supersound phased array probe and the workpiece surface, the curved surface relation according to the coupling surface realizes establishing the shape of detection face, and then form the focus parameter of flexible supersound phased array probe, finally be used for the formation of image with the parameter, solve the key technical problem of flexible supersound phased array at complicated curved surface application.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural diagram of an embodiment 1 of the flexible ultrasonic array detection device for complex curved surfaces of the present invention;
fig. 2 is the structure diagram of the flexible ultrasonic array inspection device of the utility model with complex curved surface of embodiment 2.
Description of reference numerals:
1-a flexible ultrasonic phased array probe; 2-a sensor seat; 3-a distance measuring device; 4-an ultrasound imaging device; 5-a workpiece;
10-an acoustic sensor; 11-a support frame; 12-a coupling medium cavity; 13-an injection port for coupling medium;
20-an optical sensor; 21-a support plate; 22-a conditioning aperture; 34-locking nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1, it is the structural schematic diagram of embodiment 1 of the flexible ultrasonic array inspection device for complex curved surfaces of the present invention. The flexible ultrasonic array detection device for the complex curved surface comprises a flexible ultrasonic phased array probe 1 and an array element space coordinate measuring device located on the back surface of the flexible ultrasonic phased array probe 1. The array element space coordinate measuring device of the embodiment comprises a support frame and a sensor seat 2 arranged on the support frame; the flexible ultrasonic phased array probe 1 is installed on the bottom surface of the support frame, and the sensor seat 2 is located above the back surface of the flexible ultrasonic phased array probe 1. The sensor base 2 of this embodiment is provided with a distance measuring sensor for measuring the distance between the corresponding position on the back surface of the flexible ultrasonic phased array probe 1 and the sensor base 2. Specifically, the distance measuring sensor is connected with a distance measuring device 3 for controlling the distance measurement; the flexible ultrasonic phased array probe 1 is connected with an ultrasonic imaging device 4 for controlling the imaging of the flexible ultrasonic phased array probe.
Further, the distance measuring sensor of the present embodiment employs the acoustic sensor 10. Correspondingly, the support frame includes two first backup pads 11 that are parallel to each other, and flexible ultrasonic phased array probe 1 installs on the bottom surface of two first backup pads 11, and sensor seat 2 installs between two first backup pads 11. A coupling medium cavity 12 is arranged between the flexible ultrasonic phased array probe 1, the sensor base 2 and the two first supporting plates 11, and a coupling medium injection port 13 is arranged on the coupling medium cavity 12. The coupling medium cavity 12 is made of soft materials, and the coupling medium can be water, oil, air and the like. The acoustic sensor 10 may employ ultrasonic ranging, a-scan, phased array B-scan, full focus scanning imaging, and the like.
Specifically, the flexible ultrasonic phased array probe 1 can adopt a 1-dimensional linear array and a 2-bit planar array sensor array; the acoustic sensor 10 may also employ a 1-dimensional linear array and a 2-dimensional area array sensor array.
The flexible ultrasonic array detection device with the complex curved surface of the embodiment is characterized in that a sensor seat is arranged on the back surface of a flexible ultrasonic phased array probe, a distance measuring sensor is arranged on the sensor seat, the distance measuring sensor is used for measuring the distance between different positions of the flexible ultrasonic phased array probe relative to the sensor seat, so that the curved surface relation of a coupling surface between the flexible ultrasonic phased array probe and the surface of a workpiece 5 is obtained, the shape of the detection surface is created according to the curved surface relation of the coupling surface, the focusing parameter of the flexible ultrasonic phased array probe is formed, the parameter is finally used for imaging, and the key technical problem of the flexible ultrasonic phased array applied to the complex curved surface is solved.
Example 2
As shown in fig. 2, it is the structural schematic diagram of embodiment 2 of the flexible ultrasonic array inspection device for complex curved surfaces of the present invention. The flexible ultrasonic array detection device for the complex curved surface comprises a flexible ultrasonic phased array probe 1 and an array element space coordinate measuring device located on the back surface of the flexible ultrasonic phased array probe 1. The array element space coordinate measuring device of the embodiment comprises a support frame and a sensor seat 2 arranged on the support frame; the flexible ultrasonic phased array probe 1 is installed on the bottom surface of the support frame, and the sensor seat 2 is located above the back surface of the flexible ultrasonic phased array probe 1. The sensor base 2 of this embodiment is provided with a distance measuring sensor for measuring the distance between the corresponding position on the back surface of the flexible ultrasonic phased array probe 1 and the sensor base 2. Specifically, the distance measuring sensor is connected with a distance measuring device 3 for controlling the distance measurement; the flexible ultrasonic phased array probe 1 is connected with an ultrasonic imaging device 4 for controlling the imaging of the flexible ultrasonic phased array probe.
Further, the distance measuring sensor of the present embodiment employs the optical sensor 20. Correspondingly, the support frame comprises two parallel supporting plates 21, the flexible ultrasonic phased array probe 1 is arranged on the bottom surfaces of the two supporting plates 21, and the sensor seat 2 is arranged between the two supporting plates 21. The sensor receptacle 2 of the present embodiment is mounted in a sliding fit between two support plates 21. Specifically, the support plates 21 are provided with strip-shaped adjusting holes 22, two ends of the sensor base 2 are respectively provided with a stud which can penetrate through the adjusting holes 22, and the studs are provided with locking nuts 34 which are used for locking and fixing the sensor base 2 between the two support plates 21, so that the height of the sensor base 2 relative to the flexible ultrasonic phased array probe 1 can be adjusted to meet the detection requirements of different curved surfaces.
Further, the sensor holder 2 of the present embodiment is provided with a guide rail, and the optical sensor 20 is slidably fitted on the guide rail. Under the action of the guide rail, the optical sensor 20 can make one-dimensional linear motion or two-dimensional planar motion. The measurement of the distances of different positions on the back surface of the flexible ultrasonic phased array probe 1 is realized in the moving process of the optical sensor 20.
Furthermore, one end of the flexible ultrasonic phased array probe 1 is fixedly connected with one support plate 21, and the other end of the flexible ultrasonic phased array probe is in sliding fit with the other support plate 21; or, the two ends of the flexible ultrasonic phased array probe 1 are respectively in sliding fit with the two support plates 21; when the support plate 21 is in sliding fit with the flexible ultrasonic phased array probe 1, the bottom of the support plate 21 is provided with a sliding groove, and the flexible ultrasonic phased array probe 1 is installed in the sliding groove in a sliding fit manner. One end of the flexible ultrasonic phased array probe 1 of the embodiment is fixedly connected with one of the support plates 21, and the other end of the flexible ultrasonic phased array probe is in sliding fit with the other support plate 21. When the flexible ultrasonic phased array probe 1 is coupled with different curved surfaces, the curved surfaces have different lengths, and at least one end of the flexible ultrasonic phased array probe 1 is in sliding fit with the corresponding supporting plate 21, so that the length difference required when the flexible ultrasonic phased array probe 1 is coupled with different curved surfaces can be automatically compensated.
Specifically, the flexible ultrasonic phased array probe 1 can adopt a 1-dimensional linear array and a 2-bit planar array sensor array; the acoustic sensor 10 may also employ a 1-dimensional linear array and a 2-dimensional area array sensor array.
The flexible ultrasonic array detection device with the complex curved surface of the embodiment is characterized in that a sensor seat is arranged on the back surface of a flexible ultrasonic phased array probe, a distance measuring sensor is arranged on the sensor seat, the distance measuring sensor is used for measuring the distance between different positions of the flexible ultrasonic phased array probe relative to the sensor seat, so that the curved surface relation of a coupling surface between the flexible ultrasonic phased array probe and the surface of a workpiece is obtained, the shape of the detection surface is created according to the curved surface relation of the coupling surface, the focusing parameter of the flexible ultrasonic phased array probe is formed, the parameter is finally used for imaging, and the key technical problem of the flexible ultrasonic phased array applied to the complex curved surface is solved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (10)

1. The utility model provides a flexible ultrasonic array detection device of complicated curved surface which characterized in that: the device comprises a flexible ultrasonic phased array probe (1) and an array element space coordinate measuring device positioned on the back of the flexible ultrasonic phased array probe (1);
the array element space coordinate measuring device comprises a support frame and a sensor seat (2) arranged on the support frame; the flexible ultrasonic phased array probe (1) is arranged on the bottom surface of the support frame, and the sensor seat (2) is positioned above the back surface of the flexible ultrasonic phased array probe (1);
and the sensor seat (2) is provided with a distance measuring sensor for measuring the distance between the corresponding position of the back surface of the flexible ultrasonic phased array probe (1) and the sensor seat (2).
2. The complex curved surface flexible ultrasonic array detection device of claim 1, wherein: the distance measuring sensor is connected with distance measuring equipment (3) for controlling the distance measuring; and the flexible ultrasonic phased array probe (1) is connected with an ultrasonic imaging device (4) for controlling the imaging of the flexible ultrasonic phased array probe.
3. The complex curved surface flexible ultrasonic array detection device according to claim 1 or 2, wherein: the distance measuring sensor adopts an acoustic sensor (10).
4. The complex curved surface flexible ultrasonic array detection device of claim 3, wherein: and a coupling medium cavity (12) positioned between the flexible ultrasonic phased array probe (1) and the acoustic sensor (10) is arranged in the support frame.
5. The complex curved surface flexible ultrasonic array detection device of claim 4, wherein: and a coupling medium injection port (13) is arranged on the coupling medium cavity (12).
6. The complex curved surface flexible ultrasonic array detection device according to claim 1 or 2, wherein: the distance measuring sensor adopts an optical sensor (20).
7. The complex curved surface flexible ultrasonic array detection device of claim 6, wherein: the support frame includes two backup pads (21) that are parallel to each other, install flexible ultrasonic phased array probe (1) on two the bottom surface of backup pad (21), sensor seat (2) are installed two between backup pad (21).
8. The complex curved surface flexible ultrasonic array detection device of claim 7, wherein: the sensor seat (2) is arranged between the two supporting plates (21) in a sliding fit manner; the sensor seat is characterized in that a long strip-shaped adjusting hole (22) is formed in the supporting plate (21), studs capable of penetrating through the adjusting hole (22) are arranged at two ends of the sensor seat (2) respectively, and locking nuts (34) used for locking and fixing the sensor seat (2) at two positions between the supporting plates (21) are arranged on the studs.
9. The complex curved surface flexible ultrasonic array detection device of claim 6, wherein: the sensor seat (2) is provided with a guide rail, and the optical sensor (20) is installed on the guide rail in a sliding fit manner.
10. The complex curved surface flexible ultrasonic array detection device of claim 7, wherein: one end of the flexible ultrasonic phased array probe (1) is fixedly connected with one of the support plates (21), and the other end of the flexible ultrasonic phased array probe is in sliding fit with the other support plate (21); or two ends of the flexible ultrasonic phased array probe (1) are respectively in sliding fit with the two support plates (21);
when the support plate (21) is in sliding fit with the flexible ultrasonic phased array probe (1), a sliding groove is formed in the bottom of the support plate (21), and the flexible ultrasonic phased array probe (1) is installed in the sliding groove in a sliding fit mode.
CN202120201537.XU 2021-01-25 2021-01-25 Flexible ultrasonic array detection device for complex curved surface Active CN214585122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120201537.XU CN214585122U (en) 2021-01-25 2021-01-25 Flexible ultrasonic array detection device for complex curved surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120201537.XU CN214585122U (en) 2021-01-25 2021-01-25 Flexible ultrasonic array detection device for complex curved surface

Publications (1)

Publication Number Publication Date
CN214585122U true CN214585122U (en) 2021-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120201537.XU Active CN214585122U (en) 2021-01-25 2021-01-25 Flexible ultrasonic array detection device for complex curved surface

Country Status (1)

Country Link
CN (1) CN214585122U (en)

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