CN212514423U - Calibration/contrast test block for ultrasonic phased array small-angle longitudinal wave probe - Google Patents
Calibration/contrast test block for ultrasonic phased array small-angle longitudinal wave probe Download PDFInfo
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- CN212514423U CN212514423U CN202021183243.0U CN202021183243U CN212514423U CN 212514423 U CN212514423 U CN 212514423U CN 202021183243 U CN202021183243 U CN 202021183243U CN 212514423 U CN212514423 U CN 212514423U
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Abstract
The utility model discloses an supersound phased array low-angle longitudinal wave is calibration/contrast test block for probe, including echelonment test block main part (1), set up horizontal through-hole (3) for the acoustic beam deflection evaluation on echelonment test block main part (1) first ladder, set up horizontal through-hole (2) of the different degree of depth scope on other ladders, set up flat bottom hole (4) of the different degree of depth scope on other ladders to and be located the big flat bottom (5) of the different degree of depth scope between horizontal through-hole (2) of the different degree of depth scope and the flat bottom hole (4) of the different degree of depth scope. The utility model discloses can be used for sound velocity, delay, the sensitivity calibration of operating modes such as longitudinal wave straight incidence, small-angle longitudinal wave, ladder thickness measurement, the evaluation of deflecting of small-angle longitudinal wave acoustic beam, horizontal through-hole and flat bottom hole TCG calibration, the test of working property such as horizontal linearity, vertical linearity, blind area and sensitivity surplus.
Description
Technical Field
The utility model relates to a calibration/contrast test block, concretely relates to supersound phased array low-angle longitudinal wave is calibration/contrast test block for probe for the acoustic velocity of operating mode such as longitudinal wave direct incidence, low-angle longitudinal wave, ladder thickness measurement, delay, sensitivity calibration, low-angle longitudinal wave acoustic beam deflection evaluation, horizontal through hole and flat bottom hole TCG calibration, the test of working property such as horizontal linearity, vertical linearity, blind area and sensitivity surplus.
Background
The traditional small-angle longitudinal wave is a method for detecting by obliquely incident longitudinal waves to a workpiece detection surface and utilizing refracted longitudinal waves. To obtain a large refracted longitudinal wave component, the angle of incidence of the longitudinal wave tilt probe is typically less than 1/2 for the first critical angle (plexiglass-carbon steel first critical angle is about 27.6 °). The ultrasonic phased array detection is realized by utilizing the Huygens-Fresnel law, fluctuation superposition and interference, utilizing an electronic technology and a computer technology, and through specific hardware and software, the ultrasonic waves transmitted in a detected workpiece can deflect sound beams as required under the condition that a probe is fixed, so that electronic scanning of various modes such as sector scanning, line scanning and the like is realized, dynamic focusing of the sound beams can be realized as required, signals in the whole detection process can be automatically recorded on an instrument, and imaging and detection results are realized.
The two waves have difference in wave generation mechanism, the traditional small-angle longitudinal wave utilizes the obliquely incident longitudinal wave to deflect the transmitted sound beam through the wedge, so that the main sound beam direction is the deflection direction; the ultrasonic phased array sector scanning is to form a sound field coverage of a point angle on a wave vibration surface by utilizing a time delay rule. Based on the difference of wave generation mechanisms, the two methods also have difference in the calibration and verification of the probe of the instrument, because the main sound beam direction of the traditional small-angle longitudinal wave probe deflects, a reflector meeting the main sound beam direction is required to carry out sound velocity calibration (such as a double-arc test block), and the ultrasonic phased array is not limited by the condition, and can directly adopt the direct incidence longitudinal wave to carry out sound velocity calibration, namely, the ultrasonic phased array has the functions of the longitudinal wave direct incidence and the small-angle longitudinal wave probe.
In the practical standard, the ultrasonic phased array small-angle longitudinal wave probe has no targeted test block so as to be convenient and practical, for example, a double-arc LS-1 test block is adopted for ultrasonic phased array longitudinal wave detection in the technical guide rule of high-temperature fastening bolt ultrasonic detection DL/T694 and other materials 2012, different test blocks still need to be replaced when carbon steel and low alloy steel forge piece detection, wall thickness measurement and sound beam deflection evaluation are carried out at the same time, and great inconvenience is brought to field operation. Therefore, aiming at the characteristics of the ultrasonic phased array longitudinal wave probe, the calibration/comparison test block which integrates the functions of measuring the working performance of an instrument, evaluating the deflection of the sound beam, measuring the sound beam, delaying, sensitivity, measuring the thickness of a transverse through hole, a flat bottom hole TCG, measuring the thickness of a step and the like can provide convenience for the detection work.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem, make things convenient for the witnessed inspections work, standardize its working process, the utility model provides an supersound phased array low-angle longitudinal wave is calibration/contrast test block for probe.
The utility model discloses a following technical scheme realizes:
the utility model provides an supersound phased array low-angle longitudinal wave is calibration/contrast test block for probe, includes the echelonment test block main part, sets up horizontal through-hole for the evaluation of acoustic beam deflection on the first ladder of echelonment test block main part, sets up the horizontal through-hole of the different degree of depth scope on the ladder outside first ladder, sets up the flat bottom hole of the different degree of depth scope on the ladder outside first ladder to and be located the big flat bottom of the different degree of depth scope between the horizontal through-hole of the different degree of depth scope and the flat bottom hole of the different degree of depth scope adjacent.
The utility model discloses further improvement lies in, and the ladder height in the test block is steadilyd decrease in proper order by first ladder, and the sound beam deflects the evaluation and lies in the first ladder position of comparison test block with horizontal through-hole, ultrasonic regulation with flat hole and ultrasonic regulation with big flat ladder position that lies in outside the first ladder of comparison test block.
The utility model discloses a further improvement lies in, and the ultrasound adjustment is located and is partial to first ladder side, ultrasound adjustment is located and keeps away from first ladder side under this ladder with horizontal through-hole with flat hole under this ladder, and ultrasound adjustment is located between horizontal through-hole and the flat hole with big flat.
The utility model discloses further improvement lies in for the sound beam deflects evaluation and is circular-arc distribution with horizontal through-hole by a set of horizontal through-hole that has the angle scale that deflects.
The utility model discloses further improvement lies in, the big flat of the different degree of depth scope between the flat bottom hole of the horizontal through-hole of the different degree of depth scope and the flat bottom hole of the different degree of depth scope, under the prerequisite of used probe sound field mutual noninterference, uses as independent reflector.
The utility model discloses at least, following profitable technological effect has:
the utility model provides a pair of supersound phased array low-angle longitudinal wave is calibration/contrast test block for probe, the horizontal through hole of the different degree of depth scope of accessible, flat hole realize that high temperature fastener bolt detects usefulness, pressure-bearing welded joint uses, the sound velocity of different parts such as forging usefulness, delay, sensitivity, TCG calibration, instrument calibration when also can adopt the big flat portion of echelonment to realize the sound velocity calibration of supersound phased array low-angle longitudinal wave probe or wall thickness measurement operating mode, and the design provides the horizontal through hole of sound beam deflection evaluation, verify effective sound field coverage.
Specifically, the information such as horizontal through holes, flat bottom holes, step sizes and the like in the test block required by the detection standards in various fields can be reasonably planned.
Further, the working performance of horizontal linearity, vertical linearity and the like can be tested through the stepped large flat-bottom part or the test block width part in the test block in different depth ranges. In addition, the dead zone and the sensitivity margin of the probe can be roughly estimated by using the transverse through holes and the flat-bottom holes in different depth ranges in the test block.
Drawings
FIG. 1 is a front view of a test block;
fig. 2 is a top view of the test block.
Description of reference numerals:
1 represents a stepped test block main body;
2 represents the horizontal through holes in different depth ranges;
3 represents a horizontal through hole (with a graduated scale) for evaluating sound beam deflection;
4 represents flat-bottom wells of different depth ranges;
5 represents a large flat bottom for a range of different depths.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1 and fig. 2, the utility model provides an ultrasonic phased array low-angle longitudinal wave is calibration/contrast test block for probe, because ultrasonic phased array low-angle longitudinal wave can realize the function of longitudinal wave direct incidence and low-angle longitudinal wave simultaneously, and under other detecting conditions, if the utility model discloses the test block satisfies the standard requirement and does the reference use, consequently the utility model discloses the name "ultrasonic phased array low-angle longitudinal wave is calibration/contrast test block for probe" does not represent its service condition.
The utility model discloses a five parts: 1 represents a stepped test block main body, 2 represents a transverse through hole of a different depth range, 3 represents a transverse through hole for sound beam deflection evaluation, 4 represents a flat bottom hole of a different depth range, and 5 represents a large flat bottom of a different depth range.
The utility model provides an supersound phased array low-angle longitudinal wave probe is with ladder quantity and size in calibration/the reference block, the nimble design of position and size according to each inspection detection standard of the flat hole 4 of the horizontal through-hole 2 of different degree of depth scope and different degree of depth scope.
As shown in fig. 1 and 2, in the performance test, the test can be performed by using the structures of the flat bottom hole, the large flat bottom, the horizontal through hole and the like in the test block, and referring to the specification of JB/T9214-. For example: in horizontal linearity, the probe is pressed against the large flat bottom or width on the block, a suitable couplant is added in the middle to maintain stable acoustic coupling, the 0 ° acoustic beam a-scan waveform is observed, and the gain and scan controller of the phased array instrument are adjusted to display the 6 th wave bottom on the screen. When the amplitudes of the wave bottoms B1 and B6 are respectively 50% full scale, the front edges of the wave bottoms B1 and B6 are respectively aligned with the scales 0 and 100, then the front edges of the wave bottoms B2, B3, B4 and B5 are respectively adjusted to be 50% full scale in sequence, the deviations of the front edges of the wave bottoms from the scales 20, 40, 60 and 80 are respectively read, and the horizontal linear error DeltaL of the wave bottoms B1 and the wave bottoms B6 is expressed by percentage of the maximum deviation value.
When the sound velocity, the sensitivity, the time delay and the TCG are calibrated, structures such as a flat bottom hole, a large flat bottom, a transverse through hole and the like in a test block can be used, and the calibration is executed according to various inspection detection standards. For example: when carrying out low alloy steel butt weld low-angle longitudinal wave and detecting TCG, can use the horizontal through-hole of the 2 nd part different degree of depth scopes in the test block, refer to NB/T47013.3-2015 (if the standard is updated, take the newest standard as the standard) regulation, the utility model discloses well horizontal through-hole size refers to CSK-IIA test block and designs.
When the ultrasonic phased array detection system carries out sound beam deflection evaluation, the transverse through hole structure distributed in the circular arc of the No. 3 part in the test block can be used, the test is executed according to each test detection standard, and the sound beam angle can be visually read on the angle deflection graduated scale. For example: when the evaluation of ultrasonic phased array small-angle longitudinal wave sound beam deflection, can refer to the regulation of GB/T32563-2016 (if the standard is updated, use the newest standard as the standard), the utility model discloses the horizontal through-hole size of well circular arc distribution refers to the phased array test block and designs.
In the wall thickness measuring working condition, the stepped structure of different thickness ranges of the No. 1 part in the test block can be used, and the test is executed according to various test detection standards. For example: when the digital direct-reading ultrasonic thickness gauge is used for measuring the wall thickness, the measurement can be performed according to the regulations of GB/T11344-2008 (taking the latest standard as the standard if the standard is updated).
Claims (5)
1. The utility model provides an supersound phased array low-angle longitudinal wave is calibration/contrast test block for probe, a serial communication port, including echelonment test block main part (1), set up horizontal through-hole (3) for the evaluation of acoustic beam deflection on echelonment test block main part (1) first ladder, set up horizontal through-hole (2) of the different degree of depth scope on the ladder outside first ladder, set up flat bottom hole (4) of the different degree of depth scope on the ladder outside first ladder to and be located the big flat bottom (5) of the different degree of depth scope between horizontal through-hole (2) of the different degree of depth scope and flat bottom hole (4) of the different degree of depth scope adjacent.
2. The calibration/reference block for the ultrasonic phased array small-angle longitudinal wave probe according to claim 1, wherein the step heights in the block are sequentially decreased from the first step, the transverse through hole (3) for sound beam deflection evaluation is located at the first step position of the reference block, and the transverse through hole (2) for ultrasonic adjustment, the flat bottom hole (4) for ultrasonic adjustment and the large flat bottom (5) for ultrasonic adjustment are located at step positions outside the first step of the reference block.
3. The calibration/contrast block for an ultrasonic phased array small-angle longitudinal wave probe according to claim 1, wherein the flat bottom hole (4) for ultrasonic adjustment is located below the step and is deviated to the first step side, the transverse through hole (2) for ultrasonic adjustment is located below the step and is far from the first step side, and the large flat bottom (5) for ultrasonic adjustment is located between the transverse through hole (2) and the flat bottom hole (4).
4. The calibration/reference block for the ultrasonic phased array small-angle longitudinal wave probe according to claim 1, wherein the transverse through holes (3) for evaluating the deflection of the sound beam are distributed in a circular arc shape by a group of transverse through holes with angular deflection scales.
5. The calibration/reference block for the ultrasonic phased array small-angle longitudinal wave probe according to claim 1, wherein the large flat bottoms (5) in different depth ranges between the transverse through holes (2) in different depth ranges and the flat bottom holes (4) in different depth ranges are used as independent reflectors on the premise that sound fields of the used probes do not interfere with each other.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075297A (en) * | 2021-05-06 | 2021-07-06 | 西部超导材料科技股份有限公司 | Titanium alloy phased array linear array ultrasonic detection sound field model construction method |
| CN113607812A (en) * | 2021-07-16 | 2021-11-05 | 华北电力科学研究院有限责任公司 | Phased array ultrasonic detection test block structure and detection method for brazing type copper-aluminum transition wire clamp |
| CN114910025A (en) * | 2022-04-13 | 2022-08-16 | 西安热工研究院有限公司 | Electromagnetic ultrasonic thickness measurement contrast test block |
| WO2022213646A1 (en) * | 2021-04-07 | 2022-10-13 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning, and manufacturing and usage methods therefor |
| CN116608816A (en) * | 2023-07-18 | 2023-08-18 | 东营市工业产品检验与计量检定中心 | Calibration method and device for calibrating device of small-angle measuring instrument |
| KR102642156B1 (en) * | 2023-08-16 | 2024-02-29 | 서울검사 주식회사 | A reference block for nondestructive testing and the sensitivity calibration method of using the same |
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2020
- 2020-06-23 CN CN202021183243.0U patent/CN212514423U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022213646A1 (en) * | 2021-04-07 | 2022-10-13 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning, and manufacturing and usage methods therefor |
| CN113075297A (en) * | 2021-05-06 | 2021-07-06 | 西部超导材料科技股份有限公司 | Titanium alloy phased array linear array ultrasonic detection sound field model construction method |
| CN113075297B (en) * | 2021-05-06 | 2024-02-02 | 西部超导材料科技股份有限公司 | Titanium alloy phased array linear array ultrasonic detection sound field model construction method |
| CN113607812A (en) * | 2021-07-16 | 2021-11-05 | 华北电力科学研究院有限责任公司 | Phased array ultrasonic detection test block structure and detection method for brazing type copper-aluminum transition wire clamp |
| CN114910025A (en) * | 2022-04-13 | 2022-08-16 | 西安热工研究院有限公司 | Electromagnetic ultrasonic thickness measurement contrast test block |
| CN116608816A (en) * | 2023-07-18 | 2023-08-18 | 东营市工业产品检验与计量检定中心 | Calibration method and device for calibrating device of small-angle measuring instrument |
| CN116608816B (en) * | 2023-07-18 | 2023-09-26 | 东营市工业产品检验与计量检定中心 | Calibration method and device for calibrating device of small-angle measuring instrument |
| KR102642156B1 (en) * | 2023-08-16 | 2024-02-29 | 서울검사 주식회사 | A reference block for nondestructive testing and the sensitivity calibration method of using the same |
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