CN203216907U - Probe calibration device in ultrasonic detection equipment - Google Patents
Probe calibration device in ultrasonic detection equipment Download PDFInfo
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- CN203216907U CN203216907U CN 201320238774 CN201320238774U CN203216907U CN 203216907 U CN203216907 U CN 203216907U CN 201320238774 CN201320238774 CN 201320238774 CN 201320238774 U CN201320238774 U CN 201320238774U CN 203216907 U CN203216907 U CN 203216907U
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Abstract
The utility model relates to a probe calibration device in ultrasonic detection equipment. The probe calibration device comprises a measuring water tank of the ultrasonic detection equipment, an ultrasonic probe, an ultrasonic single generator and a calibration sample. The calibration sample provided with a unique number is disposed in the measuring water tank of the ultrasonic detection equipment and is located on a parts calibration path. The ultrasonic probe is connected with the ultrasonic signal generator. The calibration sample is provided, so that precision of ultrasonic detection in a lab can be extended to field measurement equipment, and measurement results of the measurement equipment are traceable. Therefore, uniform results of detection on welding quality of electric contacts are can be obtained on different devices, at different times and in different operating environments, and the ultrasonic probe can be cleaned while the equipment is calibrated.
Description
Technical field
The utility model relates to a kind of device that electrically contacts in the welding quality ultrasonic detection range of contact, is specifically related to the probe caliberating device in a kind of ultrasound examination equipment.
Background technology
Ultrasound examination is a kind of usual way in the Non-Destructive Testing, also is weldquality detection means commonly used.Major part is by detecting intensity in transmission or reflection strength gap and the material distribution situation of differentiating workpiece inside of ultrasound wave after by workpiece for measurement in the ultrasound examination, and doing generally speaking to detect qualitatively only needs to obtain workpiece inside can characterize out workpiece inside to the difference of ultrasonic reflections intensity distribution characteristics.
In electrically contacting the welding quality testing process of contact by detecting the welding quality that the size of ultrasound wave by the reflection strength of weld seam detected and passed judgment on weld seam.Since electrically contact the difference of the material of contact, the difference of welding technology, and its weld seam is incomplete same for the degree of reflection of ultrasonic intensity.So need quantitative Ultrasonic Detection for the detection that electrically contacts the contact welding quality, can accurately characterize out the welding quality of contact contact.
Existing to electrically contacting the detection of contact welding quality, majority is by carrying out with other equipment with principle of similitude, do not take in for electrically contacting the welded singularity in contact, so carrying out showing in the testing process inconsistency of testing result to electrically contacting the contact welding quality, the not uniqueness of judgment criteria is difficult to characterize out accurately, fully the quality of the welding quality that electrically contacts the contact by testing result.Its testing result of couplant water for different quality also presents inconsistency simultaneously.
U.S. OKOS company has the Ultrasonic Detection product to release, but this product is from the principle of general Ultrasonic Detection, do not electrically contact the welding technology analysis of slider material at difference, do not take measures to avoid simultaneously yet since the variation of couplant to Ultrasonic Detection result's influence.Same U.S. GE company also has similar products like to release, and also has similar problem.Domestic Xi'an Communications University also has corresponding product to release, and these all do not consider the difference that electrically contacts slider material and targetedly to Ultrasonic Detection result's influence.
The utility model content
The deficiency that the utility model exists at above-mentioned prior art, probe caliberating device in a kind of ultrasound examination equipment is provided, demarcate electrically contacting in the welding quality testing process of contact ultrasonic reflection intensity by calibration sample, make that the benchmark of Ultrasonic Detection intensity under various operating modes is unique, Ultrasonic Detection is risen to the process of quantitative detection from qualitative detection.
The utility model is achieved through the following technical solutions:
The utility model provides the probe caliberating device in a kind of ultrasound examination equipment, comprise: measurement tank, ultrasonic probe, supersonic signal generator and the calibration sample of ultrasonic detection equipment, wherein: described calibration sample has unique numbering, this sample place in the measurement tank of ultrasonic detection equipment and the position on the path of carrying out zero adjustment, described ultrasonic probe connects described supersonic signal generator.
In the measurement tank of described ultrasonic detection equipment the probe cleaning member is installed further, described calibration sample is fixed with the probe cleaning member and is placed one jiao that measures tank, and the position is on the path of carrying out zero adjustment.
The intensity of ultrasonic reflection and ultrasonic probe itself, supersonic signal generator, couplant, measurand have relation.The replacing of probe, the stability of supersonic signal generator, the variation of couplant water quality all can have influence on the intensity of ultrasonic reflection, so the variation of detected reflection strength has not only comprised the characteristic variations of measurand.The utility model is introduced calibration sample in the testing process that electrically contacts the contact welding quality, in good time and in real time ultrasonic reflection intensity is carried out the demarcation of same benchmark, can avoid the dynamic change of checkout equipment situation to the influence of measurement result, make that the Ultrasonic Detection result is the quantitative detection of tracing to the source with unified benchmark.
Compared with prior art, the beneficial effects of the utility model are: realized electrically contacting transmission of quantity value in the welding quality ultrasonic detection system of contact and the traceability of measurement result, guaranteed the accuracy of measurement result.The introducing of calibration sample makes the measuring accuracy in laboratory can extend in the on-the-spot checkout equipment, also makes can have identical detection reference on different checkout equipments, in the measuring process probe is cleaned simultaneously, has guaranteed the precision of measuring.
Description of drawings
Fig. 1 is the scheme of installation of standard sample;
Fig. 2 is cut-open view shown in Figure 1.
Embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment provides the probe caliberating device in a kind of ultrasound examination equipment, this device comprises: the measurement tank 1 of ultrasonic detection equipment, ultrasonic probe (not marking among the figure), supersonic signal generator (not marking among the figure) and calibration sample 2, wherein: described calibration sample 2 has unique numbering, during installation this sample fixed and place in the measurement tank 1 of ultrasonic detection equipment and the position on the path of carrying out zero adjustment; Described ultrasonic probe connects described supersonic signal generator.
Shown in Fig. 1-2, probe cleaning member 3 further is installed in the measurement tank of described ultrasonic detection equipment, described calibration sample 2 is fixed with probe cleaning member 3 and is placed one jiao that measures tank 1, and the position is on the path of carrying out zero adjustment.
In the present embodiment, described probe cleaning member 3 adopts water-absorbing sponge, certainly, in other embodiments, also can adopt the suction flexible material similar to the water-absorbing sponge performance.
Based on said apparatus, the work of demarcating of popping one's head in may further comprise the steps:
The first step: preset a calibration sample in the measurement tank of ultrasonic detection equipment, this calibration sample has unique numbering, and during installation that this sample is fixing and place one jiao that measures tank with water-absorbing sponge, the position is on the path of carrying out zero adjustment.
In the present embodiment, the calibration sample of employing be purity to be 99.99% oxygen-free copper form the rectangular parallelepiped piece of 25mm * 25mm * 50mm through grinding and polishing, this sample character is stable, shape criteria, finishing form.Certainly, this sample is according to the different adaptive variations of the object that detects.
Second step: equipment dispatches from the factory and the primary standard sample this calibration sample and laboratory in is compared in the process, and record calibration sample numbering and compare after the result.
Concrete: ultrasonic probe is placed in f place (f is the accurate focal length of customization probe) above the primary standard sample in the laboratory, the ultrasound intensity that detects after ultrasound wave reflects through specimen surface by high precision and stable supersonic signal generator is U
0Be the calibration sample of x with label fixing in the ultrasonic detection equipment of waiting to dispatch from the factory, be placed on the same position, product design center, by signal generator excitation, the ultrasonic intensity U of detection of reflected
xThen definition
Calibration factor for the calibration sample of label x.
The 3rd step: be that the calibration sample of x is fixed in the measurement tank that Ultrasonic Detection uses with label, before measuring at every turn, ultrasonic probe move to calibration sample just on put, carry out focus adjustment after, measures ultrasonic the process and returns intensity U ' behind the calibration sample
x, then obtain the field calibration coefficient
β wherein
xBe the correction coefficient of probe, need do detected ultrasound intensity result in the testing process in that workpiece for measurement is carried out
Correction.So just can guarantee on different machines, constantly different, under the different operating modes same workpiece sensing is obtained the in full accord of result.Thereby made up complete data transfer chain, but guaranteed the traceability of measurement result.
The 4th step: before each workpiece was tested, ultrasonic probe moved to the standard sample position, carried out the correction of sensitivity, wiped bubble and the greasy dirt of detecting head surface simultaneously, the cleaning of the end face of popping one's head in.Guarantee the measuring accuracy in this measuring process.
In the present embodiment, in electrically contacting contact welding quality ultrasonic detection equipment, fix a calibration sample in the tank that is used for measuring, and go to the path of calibration sample that water-absorbing sponge is set at probe.Probe needs playback to clean with calibration accuracy with to probe directly over calibration sample when each workpiece begins to detect.
In the present embodiment, calibration sample in the checkout equipment need be demarcated it, obtain one group with specimen coding correction coefficient one to one, be used for measuring accuracy is calibrated.By the supersonic signal generator of stable performance, unique standard sample is demarcated the calibration sample in the checkout equipment, thereby finishes the value transmittance process.
In the present embodiment, when the ultrasonic probe real focal length is measured, need be with the probe in the vertical direction, on the angle of the left and right sides, do small adjustment on the front and rear angles, make that the detected emissive porwer of probe is maximum, at this moment the real focal length of the instant probe of the distance of probe distance steel ball.
In the present embodiment testing process, make the weld seam plane that electrically contacts the contact be positioned on the focal plane of ultrasonic probe, measure it to ultrasonic reflection strength, and it is revised, make the result who measures have strict transmission of quantity value process.
To sum up, the utility model adopts calibration sample that ultrasonic probe is carried out consistency calibration, makes the ultrasonic detection precision in laboratory can extend on the on-the-spot measuring equipment by introducing calibration sample, and the result who makes measuring equipment measure can trace to the source.Guaranteed that to the detection that electrically contacts the contact welding quality on different equipment, constantly different, the different operating environment can access consistent testing result.And in to Equipment Alignment, ultrasonic probe is cleaned.
The utility model is specially adapted to testing process quantitative in the ultrasound examination field, can improve the accuracy of detection of ultrasound examination, and the measuring accuracy in laboratory is extended in the on-the-spot checkout equipment.But make measurement result have traceability, guaranteed to electrically contact contact Ultrasonic Detection result's consistance and stability.
More than specific embodiment of the utility model is described.It will be appreciated that the utility model is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present utility model.
Claims (4)
1. the probe caliberating device in the ultrasound examination equipment, it is characterized in that comprising: measurement tank, ultrasonic probe, supersonic signal generator and the calibration sample of ultrasonic detection equipment, wherein: described calibration sample has unique numbering, this sample place in the measurement tank of ultrasonic detection equipment and the position on the path of carrying out zero adjustment, described ultrasonic probe connects described supersonic signal generator.
2. the probe caliberating device in the ultrasound examination equipment according to claim 1, it is characterized in that, in the measurement tank of described ultrasonic detection equipment the probe cleaning member is installed further, described calibration sample is fixed with the probe cleaning member and is placed one jiao that measures tank, and the position is on the path of carrying out zero adjustment.
3. the probe caliberating device in the ultrasound examination equipment according to claim 2 is characterized in that, described probe cleaning member adopts the suction flexible material.
4. the probe caliberating device in the ultrasound examination equipment according to claim 3 is characterized in that, described probe cleaning member adopts water-absorbing sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320238774 CN203216907U (en) | 2013-05-03 | 2013-05-03 | Probe calibration device in ultrasonic detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320238774 CN203216907U (en) | 2013-05-03 | 2013-05-03 | Probe calibration device in ultrasonic detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203216907U true CN203216907U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320238774 Expired - Lifetime CN203216907U (en) | 2013-05-03 | 2013-05-03 | Probe calibration device in ultrasonic detection equipment |
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| Country | Link |
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| CN (1) | CN203216907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792885A (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 camera and ultrasonic probe in ultrasonic detection |
| CN106404903A (en) * | 2015-07-27 | 2017-02-15 | 波音公司 | Ultrasonic Inspection Using Flexible Two-Dimensional Array Applied on Surface of Article |
-
2013
- 2013-05-03 CN CN 201320238774 patent/CN203216907U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792885A (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 camera and ultrasonic probe in ultrasonic detection |
| CN106404903A (en) * | 2015-07-27 | 2017-02-15 | 波音公司 | Ultrasonic Inspection Using Flexible Two-Dimensional Array Applied on Surface of Article |
| CN106404903B (en) * | 2015-07-27 | 2021-07-27 | 波音公司 | Ultrasound inspection apparatus, ultrasound inspection system and method of calibrating an ultrasound inspection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
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 COMPOSITE MATERIALS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |