CN208366915U - It is a kind of to calibrate the test block of A type for the system performance of phased array supersonic instrument and probe - Google Patents
It is a kind of to calibrate the test block of A type for the system performance of phased array supersonic instrument and probe Download PDFInfo
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- CN208366915U CN208366915U CN201820614034.3U CN201820614034U CN208366915U CN 208366915 U CN208366915 U CN 208366915U CN 201820614034 U CN201820614034 U CN 201820614034U CN 208366915 U CN208366915 U CN 208366915U
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Abstract
The utility model belongs to field of non destructive testing, and in particular to and it is a kind of to calibrate the test block of A type for the system performance of phased array supersonic instrument and probe, including test block main body and the two groups of artificial reflectors and two probe marks that are arranged in test block main body；For described two probe mark etchings in test block body upper surface, two groups of artificial reflectors are respectively using two probe marks as the center of circle, respectively using 50mm and 25mm as the through-hole on the circular arc of radius；Interval >=2.5 ° in same group between artificial reflector, 0 ~ 85 ° of angular range；Near the artificial reflector of test block body upper surface and the lateral boundaries distance >=25mm of test block main body, the distance between two probe marks >=probe and test block contact surface length；The radius is that the diameter of artificial reflector on 50mm circular arc is 2mm, and the radius is that the diameter of artificial reflector on 25mm circular arc is 1mm.It can be used for the calibration of fan sweeping angular resolution, fan sweeping angular range measurement error, short Defect resolution, it is convenient and efficient.
Description
Technical field
The utility model belongs to field of non destructive testing, and in particular to a kind of system for phased array supersonic instrument and probe
Performance calibration A type test block.
Background technique
Phased array ultrasonic detection technology is a kind of new non-destructive testing technology, before carrying out characterization processes design, generally
It is required that the performance of performance and phased array probe to phased array ultrasonic detection instrument is calibrated, horizontal linearity including instrument,
Vertical linearity, the resolving power of fan sweeping angle, the measurement error of fan sweeping angular range, fan sweeping imaging resolution etc..Traditional calibration
Reflector in test block, when carrying out acoustic beam calibration, can generate interference between adjacent acoustic beam hole than comparatively dense.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide it is a kind of for phased array supersonic instrument and
The system performance of probe calibrates the test block of A type, can carry out fan sweeping angular resolution, the measurement error of fan sweeping angular range, shortage are fallen into
The calibration of the performances such as resolving power.
The utility model is achieved through the following technical solutions:
It is a kind of for the system performance of phased array supersonic instrument and probe calibrate the test block of A type, including test block main body (1) and
The artificial reflector (2) of two groups be arranged on test block main body (1) and two probe marks (3)；Described two probe marks (3) are carved
Lose in test block main body (1) upper surface, two groups of artificial reflectors (2) be respectively with two probe marks (3) be the center of circle, respectively with
50mm and 25mm is the through-hole on the circular arc of radius；Interval >=2.5 ° in same group between artificial reflector (2), with perpendicular to
Test block main body (1) upper surface be 0 ° note, 0 ~ 85 ° of angular range；Artificial reflector (2) near test block main body (1) upper surface
With the lateral boundaries distance >=25mm of test block main body (1), the distance between two probe marks (3) >=probe and test block contact surface
Length；The radius is that the diameter of artificial reflector (2) on 50mm circular arc is 2mm, and the radius is artificial anti-on 25mm circular arc
The diameter of beam (2) is 1mm.
Preferably, 19, and 0 ~ 5 ° of setting, 3 artificial reflectors are respectively set in described two groups artificial reflectors (2), interval
It is 2.5 °；5 ~ 85 ° of settings, 16 artificial reflectors, are divided into 5 °.
Preferably, the test block main body (1) is the smooth cube structure in surface.
Preferably, the material of the test block main body (1) is No. 20 carbon steels.
The utility model has the beneficial effects that:
The test block of the utility model A type can carry out fan sweeping angular resolution, the measurement error of fan sweeping angular range, sunken point of shortage
Distinguish the calibration of the performances such as power, test block small volume is convenient for carrying, calibration method rapid and convenient.
Detailed description of the invention
Fig. 1 is a kind of master that the test block of A type is calibrated for the system performance of phased array supersonic instrument and probe of the utility model
View.
Appended drawing reference:
1- test block main body, the artificial reflector of 2-, 3- probe mark.
Specific embodiment
To be best understood from the utility model, the utility model is further described below with reference to examples and drawings, with
Lower embodiment is only to be illustrated to the utility model rather than be limited to it.
Test block structure:
As shown in Figure 1, a kind of calibrate the test block of A type, including test block for the system performance of phased array supersonic instrument and probe
Main body 1 and two groups of artificial reflectors 2 being arranged in test block main body 1 and two probe marks 3.Test block main body 1 is surface light
Sliding smooth cube structure, is made, having a size of 150*25*75(mm of good No. 20 carbon steels).
For two etchings of probe mark 3 in 1 upper surface of test block main body, two groups of artificial reflectors 2 are to be marked respectively with two probes
Note 3 is the center of circle, respectively using 50mm and 25mm as the through-hole on the circular arc of radius；To be 0 ° of note perpendicular to 1 upper surface of test block main body,
Two groups of artificial reflectors 2 are respectively set 19, respectively 0 °, 2.5 °, 5 °, 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °,
45°,50°,55°,60°,65°,70°,75°,80°,85°.85 ° of artificial reflector 2 is with the lateral boundaries distance of test block main body 1
25mm, the distance between two probe marks 3 are 20mm.Radius is that the diameter of artificial reflector 2 on 50mm circular arc is 2mm, half
Diameter is that the diameter of artificial reflector 2 on 25mm circular arc is 1mm.
The short Defect resolution of embodiment one
By probe placement at probe mark, suitable couplant is applied between probe and test block surface, and apply one
Fixed pressure ensures that good coupling, adjustment equipment realize scanning imaging.The minimum length that can be clearly shown in image it is artificial
Reflection body length is the equipment resolving power sunken to shortage.
Two fan sweeping angular range measurement error of embodiment
By probe placement at probe mark, suitable couplant is applied between probe and test block surface, and apply one
Fixed pressure ensures good coupling.
For normal probe, recommend to use 3 scanning angle ranges, the selection of the scanning angle range is perpendicular to probe battle array
First distribution arrangement simultaneously passes through center probe line as 0 ° with reference to bilateral symmetry, recommends the angular range chosen as follows: 30 ° (± 15 °),
60 ° (± 30 °), 80 ° (± 40 °).
For angle probe, since deflection angle and scanning range differ greatly, recommend according to customer requirement or according to instrument
Situation is by laboratory specified angle range.
Different sector scan angular ranges is set, adjustment equipment realizes that sector scan obtains clearly image.In image
In count the number of artificial reflector image, and according to the schematic diagram of reflector artificial in test block, calculate practical scanning angle.
It, should be appropriate if can not all show the image of all artificial reflectors in scanning scope under the same gain
Gain is adjusted, so that showing region all people's work reflector simultaneously as far as possible in the images.
Three fan sweeping angular resolution of embodiment
By probe placement at probe mark, suitable couplant is applied between probe and test block surface, and apply one
Fixed pressure ensures good coupling, and adjustment equipment realizes sector scan.In image can separated minimum angles spacing be
Fan sweeping angular resolution under the working condition.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (4)
1. a kind of calibrate the test block of A type for the system performance of phased array supersonic instrument and probe, it is characterised in that: including test block master
Body (1) and the two groups of artificial reflectors (2) and two probe marks (3) being arranged on test block main body (1)；Described two probes
Mark (3) etching in test block main body (1) upper surface, two groups of artificial reflectors (2) are respectively with two probe marks (3) for circle
The heart, respectively using 50mm and 25mm as the through-hole on the circular arc of radius；Interval in same group between artificial reflector (2) >=
2.5 °, remembered with being 0 ° perpendicular to test block main body (1) upper surface, 0 ~ 85 ° of angular range；Near test block main body (1) upper surface
Lateral boundaries distance >=the 25mm of artificial reflector (2) and test block main body (1), the distance between two probe marks (3) >=probe
With the length of test block contact surface；The radius is that the diameter of artificial reflector (2) on 50mm circular arc is 2mm, and the radius is
The diameter of artificial reflector (2) is 1mm on 25mm circular arc.
2. it is according to claim 1 it is a kind of for the system performance of phased array supersonic instrument and probe calibrate the test block of A type,
Be characterized in that: 19, and 0 ~ 5 ° of setting, 3 artificial reflectors are respectively set in two groups of artificial reflectors (2), are divided into
2.5°；5 ~ 85 ° of settings, 16 artificial reflectors, are divided into 5 °.
3. it is according to claim 1 it is a kind of for the system performance of phased array supersonic instrument and probe calibrate the test block of A type,
Be characterized in that: the test block main body (1) is the smooth cube structure in surface.
4. it is according to claim 1 it is a kind of for the system performance of phased array supersonic instrument and probe calibrate the test block of A type,
Be characterized in that: the material of the test block main body (1) is No. 20 carbon steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820614034.3U CN208366915U (en) | 2018-04-26 | 2018-04-26 | It is a kind of to calibrate the test block of A type for the system performance of phased array supersonic instrument and probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820614034.3U CN208366915U (en) | 2018-04-26 | 2018-04-26 | It is a kind of to calibrate the test block of A type for the system performance of phased array supersonic instrument and probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366915U true CN208366915U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820614034.3U Expired - Fee Related CN208366915U (en) | 2018-04-26 | 2018-04-26 | It is a kind of to calibrate the test block of A type for the system performance of phased array supersonic instrument and probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366915U (en) |
Cited By (1)
| 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 |
-
2018
- 2018-04-26 CN CN201820614034.3U patent/CN208366915U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 |