CN204536275U - The caliberating device of laser pen and relative probe position in Ultrasonic Detection - Google Patents
The caliberating device of laser pen and relative probe position in Ultrasonic Detection Download PDFInfo
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- CN204536275U CN204536275U CN201520204953.XU CN201520204953U CN204536275U CN 204536275 U CN204536275 U CN 204536275U CN 201520204953 U CN201520204953 U CN 201520204953U CN 204536275 U CN204536275 U CN 204536275U
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Abstract
The utility model discloses the caliberating device of laser pen and relative probe position in a kind of Ultrasonic Detection, described device comprises: the measurement tank of ultrasonic detection equipment, ultrasonic probe, signal generator, travel mechanism, laser pen and calibration sample, wherein: described calibration sample is fixed in the measurement tank of ultrasonic detection equipment; Described ultrasonic probe connection signal generator; Described signal generator, to ultrasonic probe transponder pulse signal, pulse signal converts ultrasonic signal to through the transformation of ultrasonic probe, arrives calibration sample through couplant; Described laser pen and ultrasonic probe are fixed in travel mechanism, and described laser pen is for determining the position at calibration sample center.Device described in the utility model can realize the demarcation of laser pen position and ultrasonic probe relative position easy, exactly, ensure that accuracy when probe is just located.
Description
Technical field
The utility model belongs to field of ultrasonic nondestructive detection, is specifically related to the caliberating device of laser pen and ultrasonic probe relative position in a kind of Ultrasonic Detection.
Background technology
Ultrasound examination is a kind of usual way in Non-Destructive Testing, is also the conventional detection means of welding quality.In ultrasound examination, major part is the distribution characteristics being characterized inside workpiece by detecting ultrasound wave by the size of the intensity in transmission after workpiece for measurement or reflection strength, differentiates the welding quality of workpiece.
In the Welding quality test process of electrical contact contact, needing to arrange suitable sweep limit, in order to ensure the accurate of sweep limit, needing to carry out Primary Location to ultrasonic probe, make ultrasonic probe alignment pieces surface.When utilizing laser pen to carry out ultrasonic probe location, according to the relative position of laser pen and ultrasonic probe, after laser pen alignment pieces, the position of ultrasonic probe to be regulated, makes ultrasonic probe alignment pieces, realize the location of ultrasonic probe.
In the Ultrasonic Detection product released at present, all do not propose the first locating device of ultrasonic probe both at home and abroad, more do not propose solution for the demarcation of ultrasonic probe and laser pen relative position.
Publication number is the Chinese invention patent application of CN103267807A (application number CN201310160721.4), discloses the probe scaling method in a kind of ultrasonic detecting equipment and device.Publication number is that (application number: Chinese invention patent application 201210191466.5), discloses a kind of optical calibration method of ultrasonic probe to CN103110429A.Only relate to the demarcation of diverse ways to probe detection performance in above-mentioned two inventions, do not relate to the location of probe, more do not relate to the demarcation of laser pen and relative probe position.
Utility model content
For above-mentioned defect of the prior art, when the purpose of this utility model is to provide and utilizes laser pen to position in a kind of Ultrasonic Detection, the caliberating device of laser pen and ultrasonic probe relative position, this device can realize the demarcation of ultrasonic probe and laser pen relative position easy, exactly.
For realizing above-mentioned object, the technical solution adopted in the utility model is:
The utility model provides the caliberating device of a kind of laser pen and ultrasonic probe relative position, described caliberating device comprises: the measurement tank of ultrasonic detection equipment, ultrasonic probe, signal generator, travel mechanism, laser pen and calibration sample, wherein: described calibration sample is fixed in the measurement tank of ultrasonic detection equipment; Described ultrasonic probe connection signal generator; Described signal generator, to ultrasonic probe transponder pulse signal, pulse signal converts ultrasonic signal to through the transformation of ultrasonic probe, arrives calibration sample through couplant; Described laser pen and ultrasonic probe are fixed in travel mechanism, and described laser pen is for determining the position at calibration sample center.
Preferably, described laser pen is fixed in travel mechanism by laser pen fixed part.
Preferably, described calibration sample upper surface is carved with right-angled intersection groove mark, and the center being centrally located at calibration sample of this right-angled intersection groove mark.
Preferably, described laser pen vertically sends irradiating laser to calibration sample, and carries out location position in conjunction with the right-angled intersection groove mark of calibration sample.
The course of work that laser pen and ultrasonic probe relative position demarcate is as follows to utilize device described in the utility model to carry out:
1, calibration sample is placed in the measurement tank of ultrasonic detection equipment, the position of fixing calibration sample, and the position of calibration sample is set as (0,0,0);
2, laser pen, ultrasonic probe are fixed in travel mechanism;
3, control laser pen and ultrasonic probe one-piece construction move, and the laser simultaneously requiring laser pen to send is irradiated to calibration sample from upper vertical; Continue mobile laser pen, by operating personnel's eye observation, until the right-angled intersection groove mark of laser pen target cross and calibration sample is overlapping, record the relative displacement (△ X1, △ Y1, △ Z1) of laser pen motion;
4, use ultrasonic probe scanning calibration sample, require that the scope of scanning is greater than the size of calibration sample, and calibration sample is all positioned at sweep limit, obtains scan image;
5, image procossing is carried out to the scan image obtained, obtain the center of scan image and the relative position (△ X2, △ Y2, △ Z2) of calibration sample right-angled intersection groove mark center;
6, obtain the relative position of laser pen and ultrasonic probe for (△ X1+ △ X2, △ Y1+ △ Y2, △ Z1+ △ Z2), so far complete the location position between laser pen and ultrasonic probe.
Owing to have employed technique scheme, the beneficial effects of the utility model are: the utility model achieves the demarcation of laser pen position and ultrasonic probe relative position, ensure that accuracy when probe is just located.
Accompanying drawing explanation
Fig. 1 is the laser pen of the present embodiment and the caliberating device schematic diagram of relative probe position;
Fig. 2 is the calibration sample schematic diagram of the present embodiment;
Fig. 3 is the laser pen witness marker schematic diagram of the present embodiment;
Schematic diagram when Fig. 4 is the laser pen positioning and demarcating sample of the present embodiment;
Schematic diagram when Fig. 5 is the ultrasonic probe positioning and demarcating workpiece of the present embodiment.
In figure: 1 is calibration sample, 2 for measuring tank, and 3 is ultrasonic probe, and 4 is laser pen fixed part, and 5 is laser pen, and 6 is travel mechanism, and 7 is laser pen target cross; 8 is the center of test result figure.
Embodiment
Be further described the technical solution of the utility model below, the following description is only the use understanding technical solutions of the utility model, and be not used in and limit scope of the present utility model, protection domain of the present utility model is as the criterion with claims.
As shown in Figure 1, for the caliberating device schematic diagram of a kind of laser pen described in the present embodiment and relative probe position, described caliberating device comprises: calibration sample 1, measurement tank 2, ultrasonic probe 3, signal generator, laser pen fixed part 4, laser pen 5 and travel mechanism 6, wherein: calibration sample 1 is fixed on to be measured in tank 2; Ultrasonic probe 3 is fixed in travel mechanism 6, and ultrasonic probe 3 connects supersonic signal generator; Supersonic signal generator is the pulse signal launching certain frequency to ultrasonic probe 3, and pulse signal converts ultrasonic signal to through the transformation of ultrasonic probe 3, arrives calibration sample 1 through couplant; Laser pen 5 is fixed in travel mechanism 6 by laser pen fixed part 4, and laser pen 5 is for determining the position at calibration sample 1 center.
As shown in Figure 2, for the present embodiment is used for the schematic diagram of calibration sample of Calibration of Laser pen and ultrasonic probe relative position.Described calibration sample, as the basis of carrying out laser pen and the demarcation of ultrasonic probe relative position.Described in the present embodiment, calibration sample 1 is rectangular parallelepiped, but is not limited only to rectangular parallelepiped; Right-angled intersection groove mark is carved with on the surface of described calibration sample 1, and the center of this right-angled intersection groove mark is the center of calibration sample 1.
As shown in Figure 3, be the distinguishing mark schematic diagram of the present embodiment laser pen.Laser pen 5 described in the present embodiment is made up of multiple equidistant annulus and a target cross, the center of circle of the point of crossing of this target cross donut just.Described laser pen 5 vertically sends irradiating laser to calibration sample 1, and carries out location position in conjunction with the right-angled intersection groove mark of calibration sample 1.
As shown in Figure 4, be schematic diagram when the present embodiment utilizes laser pen positioning and demarcating sample.The present embodiment is when utilizing laser pen 5 to position, control laser pen 5 by physical construction or other modes to move, pass through eye-observation, until the center of the center of right-angled intersection groove mark of calibration sample 1 and the target cross of laser pen 5 is overlapping, and the displacement of recording laser pen 5 and ultrasonic probe 3, for (△ X1, △ Y1, △ Z1).
As shown in Figure 5, for the present embodiment utilizes the schematic diagram of ultrasonic probe positioning and demarcating sample.The present embodiment utilizes ultrasonic probe 3 to scan calibration sample 1, require that the scope of scanning is greater than the upper surface size of calibration sample 1, and calibration sample 1 is all positioned at sweep limit; Utilize ultrasonic probe 3 to scan, obtain scan image; Through image procossing, calculate the relative position (△ X2, △ Y2, △ Z2) of the center of scan image and the right-angled intersection groove mark center of calibration sample 1.
So, can calculate, the relative position of laser pen 5 and ultrasonic probe 3 is (△ X1+ △ X2, △ Y1+ △ Y2, △ Z1+ △ Z2), thus completes the demarcation of laser pen and ultrasonic probe relative position in Ultrasonic Detection.
The utility model achieves the demarcation of laser pen position and ultrasonic probe relative position, ensure that accuracy when probe is just located.
The foregoing is only section Example of the present utility model; not any restriction is done to technical scope of the present utility model; all any amendments made within spirit of the present utility model and principle, equivalent replacement and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the caliberating device of laser pen and relative probe position in a Ultrasonic Detection, it is characterized in that, described caliberating device comprises: the measurement tank of ultrasonic detection equipment, ultrasonic probe, signal generator, travel mechanism, laser pen and calibration sample, wherein: described calibration sample is fixed in the measurement tank of ultrasonic detection equipment; Described ultrasonic probe connection signal generator; Described signal generator, to ultrasonic probe transponder pulse signal, pulse signal converts ultrasonic signal to through the transformation of ultrasonic probe, arrives calibration sample through couplant; Described laser pen and ultrasonic probe are fixed in travel mechanism, and described laser pen is for determining the position at calibration sample center.
2. the caliberating device of laser pen and relative probe position in a kind of Ultrasonic Detection as claimed in claim 1, it is characterized in that, described laser pen is fixed in travel mechanism by laser pen fixed part.
3. the caliberating device of laser pen and relative probe position in a kind of Ultrasonic Detection as claimed in claim 2, it is characterized in that, described laser pen is made up of multiple equidistant annulus and a target cross, the center of circle of the point of crossing of this target cross donut just.
4. the caliberating device of laser pen and relative probe position in a kind of Ultrasonic Detection as described in any one of claim 1-3, it is characterized in that, described calibration sample upper surface is carved with right-angled intersection groove mark, and the center being centrally located at calibration sample of this right-angled intersection groove mark.
5. the caliberating device of laser pen and relative probe position in a kind of Ultrasonic Detection as claimed in claim 4, it is characterized in that, described laser pen vertically sends irradiating laser to calibration sample, and carries out location position in conjunction with the right-angled intersection groove mark of calibration sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204953.XU CN204536275U (en) | 2015-04-03 | 2015-04-03 | The caliberating device of laser pen and relative probe position in Ultrasonic Detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204953.XU CN204536275U (en) | 2015-04-03 | 2015-04-03 | The caliberating device of laser pen and relative probe position in Ultrasonic Detection |
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| CN204536275U true CN204536275U (en) | 2015-08-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792884A (en) * | 2015-04-03 | 2015-07-22 | 上海和伍新材料科技有限公司 | Device and method for calibrating relative position of laser pen and ultrasonic probe in ultrasonic detection |
| CN109188442A (en) * | 2018-10-24 | 2019-01-11 | 广东工业大学 | A kind of electric vehicle tachymeter based on frequency-difference method |
| CN113280985A (en) * | 2021-05-24 | 2021-08-20 | 上海奋为船舶技术有限公司 | Ship watertight cabin sealing performance detection system and detection method |
-
2015
- 2015-04-03 CN CN201520204953.XU patent/CN204536275U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792884A (en) * | 2015-04-03 | 2015-07-22 | 上海和伍新材料科技有限公司 | Device and method for calibrating relative position of laser pen and ultrasonic probe in ultrasonic detection |
| CN109188442A (en) * | 2018-10-24 | 2019-01-11 | 广东工业大学 | A kind of electric vehicle tachymeter based on frequency-difference method |
| CN113280985A (en) * | 2021-05-24 | 2021-08-20 | 上海奋为船舶技术有限公司 | Ship watertight cabin sealing performance detection system and detection method |
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Address after: 200240 Shanghai city Minhang District Jianchuan road 953 Lane 322 building Patentee after: SHANGHAI HEWU PRECISION APPARATUS CO., LTD. Address before: No. 955 Cangyuan science and Technology Park, 200240 Shanghai city Minhang District Jianchuan Road Building 9 floor, I enjoy my home Patentee before: Shanghai Hiwave Advanced Materials Technology Co., Ltd. |