CN202256258U - Flexible multi-channel eddy current testing probe - Google Patents
Flexible multi-channel eddy current testing probe Download PDFInfo
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- CN202256258U CN202256258U CN2011203129783U CN201120312978U CN202256258U CN 202256258 U CN202256258 U CN 202256258U CN 2011203129783 U CN2011203129783 U CN 2011203129783U CN 201120312978 U CN201120312978 U CN 201120312978U CN 202256258 U CN202256258 U CN 202256258U
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- detection probe
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- eddy current
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Abstract
A flexible multi-channel eddy current testing probe is mainly composed of a testing coil (1), a connecting line (2), a probe connector (3) and a circuit board (4), wherein the testing coil (1) is arranged on the circuit board (4), and the circuit board (4) is connected with the probe connector (3) through the connecting line (2). The flexible multi-channel eddy current testing probe is simple in structure and humanized in design, a flexible structural design can guarantee good coupling of a probe coil and a part surface, and a multi-channel coil can increase effective range of eddy current scanning, thereby guaranteeing eddy current testing quality, improving eddy current testing efficiency, being simple in production work and low in manufacturing cost, and having significant economic value and social value.
Description
Technical field
The utility model relates to the integrated impeller blade surface eddy and detects, and a kind of flexible multichannel swirl detection probe is provided especially.
Background technology
Blade profile is mainly confirmed according to the Pneumatic Calculation method; Many forms with the tabulation curved surface provide; Usually in several given cross sections, give leafing panel surface and the lip-deep data point coordinate of blade back, leaf dish in each cross section and blade face data point constitute the leaf dish-type line and the blade back molded lines in this cross section respectively.The EDDY CURRENT blade surface adopts single probe detection mode at present, promptly adopts dot type probe to carry out scanning through model along each cross section molded lines, and labour intensity is big, and detection efficiency is low, and operating difficulties; The utility model provides a kind of flexible multichannel swirl detection probe especially, can improve the effective range of eddy current scanning, guarantees the EDDY CURRENT quality, improves EDDY CURRENT efficient.
Summary of the invention
The utility model provides a kind of flexible multichannel swirl detection probe especially, and this detection probe is simple in structure, humanization designing; Flexible structural design can guarantee probe coil and piece surface good coupling, and the hyperchannel coil can improve the effective range of eddy current scanning, guarantees the EDDY CURRENT quality; Improve EDDY CURRENT efficient; And production work is simple, and cost of manufacture is low, has great economic worth and social value.
The said flexible multichannel swirl detection probe of the utility model is used to detect integrated impeller blade surface and near surface flaw, and it is to be combined by many each magnetic test coils; According to the difference of magnetic test coil quantity in the probe, the effective range of eddy current scanning between 3mm～50mm, between the magnetic test coil with specific angle; Help finding to be orientated different linear discontinuities, the skeleton of probe is a flexible composite spare, can guarantee probe and piece surface good coupling; Thereby guarantee that the magnetic test coil in the probe remains vertical dress attitude with piece surface; Effectively guarantee the accuracy of testing result, avoid interference signal, but also can improve detection efficiency greatly.
The said flexible multichannel swirl detection probe of the utility model is to be made up of a plurality of coils that work alone, and each coil connects with differential mode; Differential winding helps finding small defective; Can suppress simultaneously detected pieces material, the unequal interference demonstration that causes of shape, and arrange this arrangement mode between the coil according to specific angle; Once inspection can find to be orientated different defects; To common test coil of eddy current,, should the company's of employing orthogonal direction check in order to find the defective of different orientation.
The described flexible multichannel swirl detection probe of the utility model; Can include several groups or tens groups of coils; Can the effective range of eddy current scanning be enlarged several times to tens times, drive coil and magnetic test coil each other through the particular mask technology avoid between each drive coil magnetic field, phase mutual interference between the induced field of magnetic test coil.
The described flexible multichannel swirl detection probe of the utility model; Wherein, each magnetic test coil is integrated on the flexible structural design, can change with the profile of detected member; Guarantee each magnetic test coil and detected surface good coupling; Be implemented in same sensitivity and detect, and avoided " lifting from " signal, make testing result more accurately and reliably.
The said flexible multichannel swirl detection probe of the utility model; Mainly form by magnetic test coil (1), connecting line (2), probe interface (3), circuit board (4); Wherein, Magnetic test coil (1) coil places on the circuit board (4), and circuit board (4) is connected with probe interface (3) through connecting line (2).
The said flexible multichannel swirl detection probe of the utility model, wherein, said detection probe is provided with at least 2 group magnetic test coils (1), adopts differential mode to connect between each coil.
The said flexible multichannel swirl detection probe of the utility model, wherein, said detection probe is provided with 8 groups of magnetic test coils (1), adopts differential mode to connect between each coil.
The said flexible multichannel swirl detection probe of the utility model, wherein, the rear indicia of said detection probe has effective surveyed area of each coil.
The said flexible multichannel swirl detection probe of the utility model, wherein, said circuit board (4) is a flexible structural member, the two sides of circuit board (4) is provided with flexible compound substance protective seam.
Description of drawings
Fig. 1 is the Facad structure synoptic diagram of flexible multichannel swirl detection probe;
Fig. 2 is the structure synoptic diagram of flexible multichannel swirl detection probe.
Embodiment
The said flexible multichannel swirl detection probe of present embodiment when making, is at first selected the quantity of magnetic test coil according to the size of piece test area to be detected, every group of corresponding port number (5) of coil; During use, earlier flexible multichannel swirl detection probe is connected on the multichannel swirl defectoscope, successively the sensitivity of each magnetic test coil is demarcated then; When detecting, with being attached on the blade of probe stationary, mobile probe stably; Blade surface is carried out scanning, show, on instrument, find the port number at shows signal place if find defective; Channel position on the contrast probe can be confirmed the position that defective belongs to then.
The said flexible multichannel swirl detection probe of present embodiment; Mainly form by magnetic test coil (1), connecting line (2), probe interface (3), circuit board (4); Wherein, Magnetic test coil (1) coil places on the circuit board (4), and circuit board (4) is connected with probe interface (3) through connecting line (2).
The said flexible multichannel swirl detection probe of present embodiment, wherein, said detection probe is provided with at least 2 group magnetic test coils (1), adopts differential mode to connect between each coil.
The said flexible multichannel swirl detection probe of present embodiment, wherein, said detection probe is provided with 8 groups of magnetic test coils (1), adopts differential mode to connect between each coil.
The said flexible multichannel swirl detection probe of present embodiment, wherein, the rear indicia of said detection probe has effective surveyed area of each coil.
The said flexible multichannel swirl detection probe of present embodiment, wherein, said circuit board (4) is a flexible structural member, the two sides of circuit board (4) is provided with flexible compound substance protective seam.
Claims (5)
1. flexible multichannel swirl detection probe; It is characterized in that: said detection probe mainly is made up of magnetic test coil (1), connecting line (2), probe interface (3), circuit board (4); Wherein, Magnetic test coil (1) coil places on the circuit board (4), and circuit board (4) is connected with probe interface (3) through connecting line (2).
2. according to the said flexible multichannel swirl detection probe of claim 1, it is characterized in that: said detection probe is provided with at least 2 group magnetic test coils (1), adopts differential mode to connect between each coil.
3. according to the said flexible multichannel swirl detection probe of claim 2, it is characterized in that: said detection probe is provided with 8 groups of magnetic test coils (1), adopts differential mode to connect between each coil.
4. according to the said flexible multichannel swirl detection probe of claim 1, it is characterized in that: the rear indicia of said detection probe has effective surveyed area of each coil.
5. according to the said flexible multichannel swirl detection probe of claim 1, it is characterized in that: said circuit board (4) is a flexible structural member, and the two sides of circuit board (4) is provided with flexible compound substance protective seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203129783U CN202256258U (en) | 2011-08-25 | 2011-08-25 | Flexible multi-channel eddy current testing probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203129783U CN202256258U (en) | 2011-08-25 | 2011-08-25 | Flexible multi-channel eddy current testing probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256258U true CN202256258U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203129783U Expired - Fee Related CN202256258U (en) | 2011-08-25 | 2011-08-25 | Flexible multi-channel eddy current testing probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256258U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424794A (en) * | 2015-11-25 | 2016-03-23 | 沈阳黎明航空发动机(集团)有限责任公司 | Multi-channel eddy current testing method for special-structure rivet on cartridge receiver |
| CN106066363A (en) * | 2016-07-28 | 2016-11-02 | 中国铁道科学研究院金属及化学研究所 | A kind of railroad turnout steel rail eddy current conformal detection device |
| CN106568836A (en) * | 2016-11-08 | 2017-04-19 | 上海航天精密机械研究所 | Flexible eddy-current array probe used for rapid and accurate detection of conductive material |
-
2011
- 2011-08-25 CN CN2011203129783U patent/CN202256258U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424794A (en) * | 2015-11-25 | 2016-03-23 | 沈阳黎明航空发动机(集团)有限责任公司 | Multi-channel eddy current testing method for special-structure rivet on cartridge receiver |
| CN106066363A (en) * | 2016-07-28 | 2016-11-02 | 中国铁道科学研究院金属及化学研究所 | A kind of railroad turnout steel rail eddy current conformal detection device |
| CN106568836A (en) * | 2016-11-08 | 2017-04-19 | 上海航天精密机械研究所 | Flexible eddy-current array probe used for rapid and accurate detection of conductive material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120530 Termination date: 20170825 |