CN104807893A - Linear type slit test workpiece for ultrasonic non-destructive detection of low-voltage apparatus electric contact - Google Patents
Linear type slit test workpiece for ultrasonic non-destructive detection of low-voltage apparatus electric contact Download PDFInfo
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- CN104807893A CN104807893A CN201510170299.XA CN201510170299A CN104807893A CN 104807893 A CN104807893 A CN 104807893A CN 201510170299 A CN201510170299 A CN 201510170299A CN 104807893 A CN104807893 A CN 104807893A
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Abstract
The invention discloses a linear type slit test workpiece for ultrasonic non-destructive detection of a low-voltage apparatus electric contact. The linear type slit test workpiece comprises a test block, wherein the test block is an acoustic resolution test block and is provided with multiple groups of parallel linear type slits in the same depth at different slit intervals, and the slits have different slit widths. The linear type slit test workpiece can cooperate with the ultrasonic scanning technology to complete calibration for acoustic resolution of an ultrasonic probe, the capacity of the ultrasonic probe for distinguishing horizontal, perpendicular and inclined defects can be calibrated, and calibration for acoustic resolution of the ultrasonic probe is completed; meanwhile, cracks as well as various porous and strip-shaped defects on the low-voltage apparatus electric contact welding surface can be detected, the defect size can be quantitatively calibrated, the work efficiency is improved, and the linear type slit test workpiece has high popularization and application value.
Description
Technical field
The invention belongs to UT (Ultrasonic Testing) equipment technology field, more particularly, relate to a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece.
Background technology
Ultrasound examination is one of lossless detection method be most widely used at present.It has, and penetration power is strong, equipment is light, testing cost is low, detection efficiency is high, and immediately can know the advantages such as testing result.In reality detects, because detected parts are different, and need to adopt different UT (Ultrasonic Testing) standards.But at present, in low voltage electrical apparatus industry, do not have Special test block to carry out the demarcation of the performance index of the acoustics resolving power of ultrasonic probe in Ultrasonic Detection, bring inconvenience to testing.
Summary of the invention
For above-mentioned defect of the prior art, the object of the invention is to design a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece, can the acoustics resolving power index of quick and precisely detection probe.
For realizing above-mentioned object, the technical solution used in the present invention is:
The invention provides a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece, comprise test block, described test block is acoustics resolution test block; Described acoustics resolution test block is arranged respectively the linear pattern slit be parallel to each other of the same degree of depth of many groups, different slit width, different slit separation.
Preferably, described acoustics resolution test block is rectangular parallelepiped, the length of rectangular parallelepiped be 300mm, wide for 100mm, thickness be 4.0mm.
Preferably, described acoustics resolution test block along rectangular parallelepiped upper surface from top to bottom, is disposed with 12 groups of linear pattern slits.
Preferably, the width range of 12 groups of linear pattern slits is: 0.02 ~ 0.5mm, and each group width differential can be 0.02mm, 0.03mm, 0.05mm; The slit separation scope of 12 groups of linear pattern slits is: 0.05 ~ 0.35mm, and in each group slit, the difference of slit separation can be 0.02mm, 0.03mm, 0.05mm; The deep equality of 12 groups of linear pattern slits desirable 1.0mm, 2.0mm, or 3.0mm.
More preferably, described in 12 groups, the degree of depth of linear pattern slit is certain, concrete:
Being provided with width is 0.35mm, and slit separation is 0.35mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.30mm, and slit separation is 0.30mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.28mm, and slit separation is 0.28mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.25mm, and slit separation is 0.25mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.23mm, and slit separation is 0.23mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.20mm, and slit separation is 0.20mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.18mm, and slit separation is 0.18mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.15mm, and slit separation is 0.15mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.13mm, and slit separation is 0.13mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.10mm, and slit separation is 0.10mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.08mm, and slit separation is 0.08mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.05mm, and slit separation is 0.05mm, and the degree of depth is the slit totally 3 of 2.0mm.
More preferably, the spacing of 0.6 ~ 1.5mm is kept between the described linear pattern slit of each group.
Preferably, often organize described linear pattern slit length and be 5.0mm.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
Test piece of the present invention is the Special test block of the strip defect of inspection welding region diverse location; Ultrasound scanning can be coordinated, complete the demarcation of ultrasonic probe acoustics resolving power, ultrasonic probe level of resolution spacing can be demarcated, the ability of level that vertical interval is divided into 0.05mm, 0.08mm, 0.10mm, 0.13mm, 0.15mm, 0.18mm, 0.20mm, 0.23mm, 0.25mm, 0.28mm, 0.30mm, 0.35mm etc. mutually, vertical and inclination defect, complete the demarcation to ultrasonic probe acoustics resolving power; All kinds of defects of the crackle on low-voltage electrical apparatus electric contact face of weld, poroid and strip can be detected simultaneously, and quantitative demarcation can be made to the size of defect, increase work efficiency, have highly application value.
Accompanying drawing explanation
Fig. 1 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece front view of one embodiment of the invention;
Fig. 2 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece side view of one embodiment of the invention;
Fig. 3 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece vertical view of one embodiment of the invention.
Embodiment
Be further described technical scheme of the present invention below, the following description is only the use understanding technical solution of the present invention, and be not used in and limit scope of the present invention, protection scope of the present invention is as the criterion with claims.
As shown in Figure 1, Figure 2, Figure 3 shows, the present embodiment is a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece, and comprise test block, described test block is acoustics resolution test block; Described acoustics resolution test block arranges the same degree of depth respectively, organizes different slit width more, the linear pattern slit be parallel to each other of different slit separation.
Described acoustics resolution test block is rectangular parallelepiped, and long is 300mm, and wide is 100mm, and thickness is 4.0mm.Described rectangular parallelepiped upper surface from top to bottom, is disposed with 12 groups of linear pattern slits.The width range of 12 groups of linear pattern slits is: 0.02 ~ 0.5mm, and each group width differential can be 0.02mm, 0.03mm, 0.05mm.The slit separation scope of 12 groups of linear pattern slits is: 0.05 ~ 0.35mm, and in each group slit, the difference of slit separation can be 0.02mm, 0.03mm, 0.05mm.The deep equality of 12 groups of linear pattern slits desirable 1.0mm, 2.0mm, or 3.0mm.
In the present embodiment, being provided with width is 0.35mm, and slit separation is 0.35mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.30mm, and slit separation is 0.30mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.28mm, and slit separation is 0.28mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.25mm, and slit separation is 0.25mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.23mm, and slit separation is 0.23mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.20mm, and slit separation is 0.20mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.18mm, and slit separation is 0.18mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.15mm, and slit separation is 0.15mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.13mm, and slit separation is 0.13mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.10mm, and slit separation is 0.10mm, and the degree of depth is the slit totally 3 of 2.0mm; Being provided with width is 0.08mm, the slit totally 3 of slit separation to be the 0.08mm degree of depth be 2.0mm; Being provided with width is 0.05mm, and slit separation is 0.05mm, and the degree of depth is the slit totally 3 of 2.0mm.
In the present embodiment, the spacing of 0.6 ~ 1.5mm between the described slit of each group, should be kept.
In the present embodiment, often organize described slit length and be 5.0mm.
Test piece described in the present embodiment is the Special test block of the strip defect of inspection welding region diverse location; Ultrasound scanning can be coordinated, complete the demarcation of ultrasonic probe acoustics resolving power, ultrasonic probe level of resolution spacing can be demarcated, the ability of level that vertical interval is divided into 0.05mm, 0.08mm, 0.10mm, 0.13mm, 0.15mm, 0.18mm, 0.20mm, 0.23mm, 0.25mm, 0.28mm, 0.30mm, 0.35mm mutually, vertical and inclination defect, complete the demarcation to ultrasonic probe acoustics resolving power; All kinds of defects of the crackle on low-voltage electrical apparatus electric contact face of weld, poroid and strip can be detected simultaneously, and quantitative demarcation can be made to the size of defect, increase work efficiency, have highly application value.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (7)
1. a low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece, is characterized in that, comprise test block, and described test block is acoustics resolution test block; Described acoustics resolution test block is arranged respectively the linear pattern slit be parallel to each other of the same degree of depth of many groups, different slit width, different slit separation.
2. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece as claimed in claim 1, it is characterized in that, described acoustics resolution test block is rectangular parallelepiped, the length of rectangular parallelepiped be 300mm, wide for 100mm, thickness be 4.0mm.
3. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece as claimed in claim 2, it is characterized in that, described acoustics resolution test block along rectangular parallelepiped upper surface from top to bottom, is disposed with 12 groups of linear pattern slits.
4. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece as claimed in claim 3, it is characterized in that, the width range of 12 groups of linear pattern slits is: 0.02 ~ 0.5mm, and each group width differential is 0.02mm, 0.03mm, 0.05mm; The slit separation scope of 12 groups of linear pattern slits is: 0.05 ~ 0.35mm, and in each group slit, the difference of slit separation is 0.02mm, 0.03mm, 0.05mm; The deep equality of 12 groups of linear pattern slits also gets 1.0mm, 2.0mm, or 3.0mm.
5. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece as claimed in claim 4, it is characterized in that, described in 12 groups, the degree of depth of linear pattern slit is certain, is specially:
Being provided with width is 0.35mm, and slit separation is 0.35mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.30mm, and slit separation is 0.30mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.28mm, and slit separation is 0.28mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.25mm, and slit separation is 0.25mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.23mm, and slit separation is 0.23mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.20mm, and slit separation is 0.20mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.18mm, and slit separation is 0.18mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.15mm, and slit separation is 0.15mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.13mm, and slit separation is 0.13mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.10mm, and slit separation is 0.10mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.08mm, and slit separation is 0.08mm, and the degree of depth is the slit totally 3 of 2.0mm;
Being provided with width is 0.05mm, and slit separation is 0.05mm, and the degree of depth is the slit totally 3 of 2.0mm.
6. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece as described in any one of claim 1-5, is characterized in that, keeps the spacing of 0.6 ~ 1.5mm between the described linear pattern slit of each group.
7. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece as described in any one of claim 1-5, is characterized in that, often organize described linear pattern slit length and be 5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170299.XA CN104807893B (en) | 2015-04-10 | 2015-04-10 | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170299.XA CN104807893B (en) | 2015-04-10 | 2015-04-10 | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece |
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| CN104807893A true CN104807893A (en) | 2015-07-29 |
| CN104807893B CN104807893B (en) | 2017-10-13 |
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Citations (6)
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|---|---|---|---|---|
| US5837880A (en) * | 1997-08-20 | 1998-11-17 | Sperry Rail Service, Inc. | Compact ultrasonic calibration block |
| JP2002048773A (en) * | 2000-07-31 | 2002-02-15 | Railway Technical Res Inst | Calibration test piece for ultrasonic inspection of rail welded part |
| CN102830182A (en) * | 2012-08-23 | 2012-12-19 | 中国神华能源股份有限公司 | Reference block used for small-angle longitudinal-wave detection and method of small-angle longitudinal-wave detection |
| CN202916247U (en) * | 2012-10-29 | 2013-05-01 | 哈电集团（秦皇岛）重型装备有限公司 | Multifunctional test block for UT (ultrasonic testing) |
| CN104111286A (en) * | 2014-07-10 | 2014-10-22 | 湖南湖大艾盛汽车技术开发有限公司 | Wave velocity and thickness calibrating method for ultrasonic wave welding spot detection |
| CN204666571U (en) * | 2015-04-10 | 2015-09-23 | 上海和伍新材料科技有限公司 | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece |
-
2015
- 2015-04-10 CN CN201510170299.XA patent/CN104807893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5837880A (en) * | 1997-08-20 | 1998-11-17 | Sperry Rail Service, Inc. | Compact ultrasonic calibration block |
| JP2002048773A (en) * | 2000-07-31 | 2002-02-15 | Railway Technical Res Inst | Calibration test piece for ultrasonic inspection of rail welded part |
| CN102830182A (en) * | 2012-08-23 | 2012-12-19 | 中国神华能源股份有限公司 | Reference block used for small-angle longitudinal-wave detection and method of small-angle longitudinal-wave detection |
| CN202916247U (en) * | 2012-10-29 | 2013-05-01 | 哈电集团（秦皇岛）重型装备有限公司 | Multifunctional test block for UT (ultrasonic testing) |
| CN104111286A (en) * | 2014-07-10 | 2014-10-22 | 湖南湖大艾盛汽车技术开发有限公司 | Wave velocity and thickness calibrating method for ultrasonic wave welding spot detection |
| CN204666571U (en) * | 2015-04-10 | 2015-09-23 | 上海和伍新材料科技有限公司 | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive linear pattern slit test piece |
Non-Patent Citations (2)
| Title |
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| 全国无损检测标准化技术委员会 等: "《无损检测标准汇编 超声检测方法(上)》", 30 June 2011 * |
| 韩秀君 等: ""超声检测用试块的制作和检验"", 《无损探伤》 * |
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