CN202171585U - Rotary vortex flow detecting system - Google Patents
Rotary vortex flow detecting system Download PDFInfo
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- CN202171585U CN202171585U CN2011202121106U CN201120212110U CN202171585U CN 202171585 U CN202171585 U CN 202171585U CN 2011202121106 U CN2011202121106 U CN 2011202121106U CN 201120212110 U CN201120212110 U CN 201120212110U CN 202171585 U CN202171585 U CN 202171585U
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Abstract
The utility model discloses a rotary vortex flow detecting system which comprises a rotation device, a data processing module, a microprocessor, a display screen, and an alarm device, wherein the rotation device is provided with a detector probe, a driving motor, and a motor controller connected with the driving motor, the driving motor drives the detector probe and leads the detector probe to rotate along the tested material, and the detector probe gets detection signals; the data processing module is connected with the detector probe and used for amplifying and detecting the detection signals; the microprocessor is connected with the data processing module and gets the detection value of the present tested material, a comparison module and a memory module are arranged in the microprocessor, a threshold value is pre-arranged in the memory module, and the comparison module compares the detection value and the threshold value; the display screen is connected with the microprocessor and outputs the detection value of the present tested material; and the alarm device is connected with the microprocessor and gives out an alarm when the detection value is larger than the threshold value. Compared with the detection adopting a penetrating type coil, the utility model can detect out surface defects in more types and has an excellent detection performance.
Description
Technical field
The utility model relates to the inspection technique field, relates to a kind of rotating vortex detection system in particular, and it is applied to the material of pipe bar external diameter Ф 1-159mm in the industries such as oil, chemical industry, heating power, boiler and mechanical-hydraulic.
Background technology
Along with development and national economy, China is during 11th Five-Year to ten two or five, and the annual requirement of high-test metal bar increases considerably, and obviously demonstrates the development trend of heavy caliberization.Particularly require corrosion-resistant, anti-extrusion automobile bearing bar etc., will along with country to the increasing of energy infrastructure and auto industry input and become the focus of demand.Thus, the Non-Destructive Testing that these quality of finished product is guaranteed has proposed method and technical new problem.
At present, China's metallurgy industry is to the material of pipe bar external diameter Ф 1-159mm, and it mainly all is the eddy current test detection method that adopts traditional feed-through coil, and it is only comparatively sensitive to horizontal detection, then can't satisfy the sensitivity requirement for vertical long crack.
In view of this, the above-mentioned defective further investigation the when inventor carries out Non-Destructive Testing to prior art to the pipe bar has this case to produce then.
The utility model content
The purpose of the utility model is to provide a kind of rotating vortex detection system, to solve the problem that can't guarantee required sensitivity when prior art detects metal bar fully.
In order to reach above-mentioned purpose, the solution of the utility model is:
A kind of rotating vortex detection system wherein, comprising:
Whirligig; Have detection probe, drive motor and electric machine controller; This electric machine controller links to each other with drive motor; This drive motor then is transmitted in detection probe and detection probe can be rotated around measured material, and this detection probe is obtained the inner eddy current variation of measured material and obtained detection signal;
Data processing module links to each other with detection probe and detection signal is amplified with detection and handles;
Microprocessor links to each other with data processing module and obtains the detected value of current measured material, has comparison module and memory module in this microprocessor, is preset with threshold values in this memory module, and this comparison module then compares detected value and threshold values;
Display screen links to each other with microprocessor and exports the detected value of current measured material;
Warning device links to each other with microprocessor and sends alerting signal during greater than threshold values when detected value.
Further, this detection probe is set to be distributed in a plurality of of measured material periphery, and this data processing module also is matched with detection probe and is set to many groups, also is provided with multi-way switch between this multi-group data processing module and the microprocessor.
Further, this drive motor drives detection probe is rotated around measured material with the mode of spiral.
After adopting said structure; A kind of rotating vortex detection system that the utility model relates to; Under the driving of drive motor, this detection probe can be rotated around measured material, thereby in measured material, brings out vortex flow; When having defectives such as crack in the measured material; To upset vortex flow, detection probe will detect the variation of eddy current and the detection signal that generation is matched with the measured material defective, and this detection signal is shown by display screen behind data processing module and microprocessor; When the detected value that is converted to when the corresponding detection signal of defective in the measured material simultaneously exceeded threshold values, it was substandard product that this warning device then sends alerting signal prompting testing staff current detection material.The utility model adopts eddy current rotated detection technology, and it is surveyed with respect to existing feed-through coil, and it can be surveyed more eurypalynous surface imperfection and have the good characteristics of detection performance.
Description of drawings
The synoptic diagram of Fig. 1 when a kind of rotating vortex detection system detection probe detects measured material for the utility model relates to;
The structured flowchart of Fig. 2 a kind of rotating vortex detection system for the utility model relates to.
Among the figure:
Rotating vortex detection system 100
Whirligig 1 detection probe 11
Data processing module 2 microprocessors 3
Measured material 200.
Embodiment
In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.
To shown in Figure 3, it comprises whirligig 1, data processing module 2, microprocessor 3, display screen 4 and warning device 5 for a kind of rotating vortex detection system 100 that the utility model relates to like Fig. 1, wherein:
This whirligig 1; Have detection probe 11, drive motor 12 and electric machine controller 13; This electric machine controller 13 links to each other with drive motor 12; 12 of this drive motor are transmitted in detection probe 11 and detection probe 11 can be rotated around measured material 200, and this detection probe 11 is obtained the eddy current variation of measured material 200 inside and obtained detection signal; This electric machine controller 13 is used for 12 actions of controlling and driving motor, and this drive motor 12 drives detection probe 11 around measured material 200 rotations, preferably rotates around measured material 200 with the mode of spiral, specifically please with reference to detection synoptic diagram shown in Figure 1;
This data processing module 2 links to each other with detection probe 11 and detection signal is amplified and detection is handled, and specifically this data processing module 2 is made up of differential amplifier circuit and detector amplifier, and it is used for detection signal is carried out pre-service;
This microprocessor 3; Link to each other with data processing module 2 and obtain the detected value of current measured material 200, concrete, have comparison module 31 and memory module 32 in this microprocessor 3; Be preset with threshold values in this memory module 32,31 of this comparison modules compare detected value and threshold values; When this detected value during less than threshold values, 3 of this microprocessors continue to read the detection signal that is sent by detection probe 11; When detected value during greater than threshold values, then notify warning device 5 to send warning, explain that so then this measured material 200 does not reach production requirement;
This display screen 4 links to each other with microprocessor 3 and exports the detected value of current measured material 200;
This warning device 5 links to each other with microprocessor 3, and it sends alerting signal at detected value during greater than threshold values, and specifically it can be hummer, can also be LED light.
Like this, a kind of rotating vortex detection system 100 that the utility model relates to is under the driving of drive motor 12; This detection probe 11 can be around measured material 200 rotations; Thereby in measured material 200, bring out vortex flow, when having defectives such as crack in the measured material 200, will upset vortex flow; Detection probe 11 will detect the variation of eddy current and the detection signal that generation is matched with measured material 200 defectives, and this detection signal is shown by display screen 4 behind data processing module 2 and microprocessor 3.The utility model adopts eddy current rotated detection technology, and it is surveyed with respect to existing feed-through coil, and it can be surveyed more eurypalynous surface imperfection and have the good characteristics of detection performance.
Need to prove; The signal amplitude of any surface crack all is directly proportional with the degree of depth of surface imperfection; When so the detected value that is converted to when the corresponding detection signal of defective in the measured material 200 exceeds threshold values; It is substandard product that 5 of this warning devices send alerting signal prompting testing staff current detection material, also stops the detection to current measured material 200 simultaneously.
In addition, in the utility model, because the minimum length of the surface imperfection that can show continuously and the rotational speed of probe and the speed of passing through of material are funtcional relationship.So, rotational speed is provided or increases probe quantity to detect short falling into through under the velocity conditions given, wherein defect length must could detect greater than detecting pitch incessantly.Thus in order to improve the degree of accuracy that detects data; This detection probe 11 is set to be distributed in a plurality of of measured material 200 peripheries; This data processing module 2 also is matched with detection probe 11 and is set to many groups; Also be provided with the multi-way switch (not shown) between this multi-group data processing module 2 and the microprocessor 3, this multi-way switch is used to play the effect that data are selected.
Product form of the foregoing description and graphic and non-limiting the utility model and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing.
Claims (2)
1. a rotating vortex detection system is characterized in that, comprising:
Whirligig; Have detection probe, drive motor and electric machine controller; This electric machine controller links to each other with drive motor; This drive motor then is transmitted in detection probe and detection probe can be rotated around measured material, and this detection probe is obtained the inner eddy current variation of measured material and obtained detection signal;
Data processing module links to each other with detection probe and detection signal is amplified with detection and handles;
Microprocessor links to each other with data processing module and obtains the detected value of current measured material, has comparison module and memory module in this microprocessor, is preset with threshold values in this memory module, and this comparison module then compares detected value and threshold values;
Display screen links to each other with microprocessor and exports the detected value of current measured material;
Warning device links to each other with microprocessor and sends alerting signal during greater than threshold values when detected value.
2. a kind of rotating vortex detection system as claimed in claim 1; It is characterized in that; This detection probe is set to be distributed in a plurality of of measured material periphery; This data processing module also is matched with detection probe and is set to many groups, also is provided with multi-way switch between this multi-group data processing module and the microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202121106U CN202171585U (en) | 2011-06-22 | 2011-06-22 | Rotary vortex flow detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202121106U CN202171585U (en) | 2011-06-22 | 2011-06-22 | Rotary vortex flow detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171585U true CN202171585U (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202121106U Expired - Fee Related CN202171585U (en) | 2011-06-22 | 2011-06-22 | Rotary vortex flow detecting system |
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| CN (1) | CN202171585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841137A (en) * | 2012-09-30 | 2012-12-26 | 爱德森（厦门）电子有限公司 | Compensating method for detecting interference signal through rotating eddy current |
| CN104515802A (en) * | 2015-01-12 | 2015-04-15 | 厦门艾帝尔电子科技有限公司 | Eddy current detecting device capable of rotating at high speed |
-
2011
- 2011-06-22 CN CN2011202121106U patent/CN202171585U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841137A (en) * | 2012-09-30 | 2012-12-26 | 爱德森（厦门）电子有限公司 | Compensating method for detecting interference signal through rotating eddy current |
| CN102841137B (en) * | 2012-09-30 | 2014-12-03 | 爱德森（厦门）电子有限公司 | Compensating method for detecting interference signal through rotating eddy current |
| CN104515802A (en) * | 2015-01-12 | 2015-04-15 | 厦门艾帝尔电子科技有限公司 | Eddy current detecting device capable of rotating at high speed |
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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 |
Granted publication date: 20120321 Termination date: 20160622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |