CN102590331B - Digital portable type magnetic powder flaw detector - Google Patents
Digital portable type magnetic powder flaw detector Download PDFInfo
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- CN102590331B CN102590331B CN201210016750.9A CN201210016750A CN102590331B CN 102590331 B CN102590331 B CN 102590331B CN 201210016750 A CN201210016750 A CN 201210016750A CN 102590331 B CN102590331 B CN 102590331B
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000105 evaporative light scattering detection Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a digital portable type magnetic powder flaw detector. The digital portable type magnetic powder flaw detector comprises a magnetic yoke and an instrument box, wherein an annularly arranged light emitting diode is arranged on the end face on the top of the magnetic yoke; a camera is arranged in the center of the end face on the top of the magnetic yoke; a logical control arithmetic unit and a microprocessing unit are also arranged in the instrument box; an external interface group is also arranged on the shell of the instrument box; and a microprocessor is connected with the external interface group through an interface circuit. The invention has the benefits that 1, the digital portable type magnetic powder flaw detector has digital advantages of storing on-site flaw detection result data, printing a flaw detection report by a printing machine, transmitting data stored in the flaw detector to a computer and recording and replaying the flaw detection process for continuous research and processing; 2, the digital portable type magnetic powder flaw detector has the miniaturization characteristic, light weight and portability; and 3, the digital portable type magnetic powder flaw detector has flexibility and convenience, wherein an internal battery is provided, so the instrument can work continuously for more than 3 hours without alternating current power supply.
Description
Technical field
The present invention relates to a kind of digital portable type magnetic powder flaw detector.
Background technology
In existing Non-Destructive Testing physical method, magnetic powder inspection be the most intuitively, the simplest, most widely used detection means.Magnetic powder inspection is applicable to the surface of the various middle-size and small-size parts of wet magnetic particle method detection and crackle and the fine defects that closely surface causes because of reasons such as casting, quenching, processing, fatigues, that single-piece detects, small quantities of sampling observation, the first-selected type of mass detection, is widely used in the industries such as railway, electric power, oil, petrochemical industry, chemical industry, metallurgy, machinery, shipbuilding, boilers and pressure vessel, nuclear industry, Aero-Space.Because magnetic powder inspection application is extensive especially, and testing conditions in each field, testing requirement exists again certain difference, thereby at present general magnetic powder flaw detector has also exposed some weakness in the application of some special dimensions, be first to result of detection can not review, be unable to do without AC power, cannot be portable; Pushing away the workpiece flaw detection work that completes with dolly; Although magnetic powder inspection is one method the most intuitively, use more difficult can be starved of inspection field at some.As the often inside and outside actuating strut of machine and indication rod is detected a flaw, deceleration rail and the flaw detection of deceleration clamping plate etc. of hump of the in-service split switch flaw detection of: railway, the fatigue crack flaw detection of long steel rail welding line, electric business system electric rotating.The applicant is engaged in the non-destructive detecting device research and development more than ten years, feels magnetic powder inspection numeral, portable necessity and importance deeply, is also the development of field of non destructive testing magnetic powder inspection method, all needs digital portable type magnetic powder flaw detector.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of digital portable type magnetic powder flaw detector.This instrument has that volume is little, function is complete, carries, easy to operate advantage.
Technical scheme of the present invention is: this magnetic powder flaw detector comprises yoke; Yoke is made up of the stacked siliconized plate of impact briquetting and winding electromagnetic induction line enameled wire loop; The light emitting diode that annular arranges is housed on the end face of the top of yoke, in the center of yoke top end face, camera is housed.
This magnetic powder flaw detector is also provided with instrument container, and logic control arithmetic element and microprocessing unit are housed in instrument container; Core configuration in logic control arithmetic element is control algorithm circuit, and control algorithm circuit is connected with display control circuit, display memory circuit and video decode circuit respectively; The core configuration of microprocessing unit is microprocessor, and microprocessor is connected with the control algorithm circuit in power voltage monitoring circuit, keyboard control circuit, real time clock circuit, nonvolatile memory and logic control computing circuit unit respectively; Power amplifier and video decode circuit are also housed in instrument container, yoke is connected with power amplifier, electric battery is connected with power amplifier by inverter, and power amplifier connects by the control algorithm circuit in output waveform and power control circuit andlogic control arithmetic element; Camera connects by the control algorithm circuit in video decode circuit andlogic control arithmetic element.
On the shell of instrument container, be provided with external interface group, comprise computer interface, printer interface, and USB flash disk socket, microprocessor is connected with external interface group by interface circuit.
Principle of work of the present invention is that electric current is outputed to yoke by battery, inverter, waveform power control circuit and power ratio control amplifying circuit, find after defect by keyboard control circuit and micro-processor interface circuit unit, decoded video decode circuit image is shown in LCD screen, and the image in LCD screen can be stored in nonvolatile memory, complete and take a picture and recording function, the image of storage or video recording directly can be transmitted by interface circuit, dump to computing machine by USB flash disk and carry out follow-up management and analysis, also can input printer and go out flaw detection report.
The invention has the beneficial effects as follows: be first the characteristic with numeric type, can be to the storage of on-the-spot result of detection data, and print flaw detection report by printer, by the data transmission that is stored in defectoscope to computing machine, so that digital management, to flaw detection process record, playback continues research and processes.The secondth, there is miniaturization characteristic, its weight is especially little, is easy to carry very much.The 3rd is to have dirigibility and convenience, and owing to being provided with internal battery, this instrument leaves AC power continuous working more than 3 hours.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of yoke end face in Fig. 1.
Fig. 3 is the syndeton schematic diagram of instrument container electric elements inside part of the present invention.
Number in the figure:
1, yoke 2, instrument container 3, light emitting diode
4, camera 5, logic control arithmetic element 6, microprocessing unit
7, control algorithm circuit 8, display control circuit 9, display memory circuit
10, video decode circuit 11, microprocessor 12, power voltage monitoring circuit
13, keyboard control circuit 14, real time clock circuit 15, nonvolatile memory
16, external interface group 17, interface circuit 18, power amplifier
19, electric battery 20, inverter 21, output waveform and power control circuit.
Embodiment
Example
As shown in Figure 1, this magnetic powder flaw detector comprises yoke 1 and instrument container 2; Yoke 1 is made up of the stacked siliconized plate of impact briquetting and winding electromagnetic induction line enameled wire loop; The light emitting diode 3 that annular arranges is housed on the end face of the top of yoke 1, is convenient to use under insufficient light environment as light source, in the center of the top of yoke 1 end face, camera 4 is housed, the course of work is recorded a video or result of detection is carried out to Taking Pictures recording.See Fig. 2.
As shown in Figure 3, logic control arithmetic element 5 and microprocessing unit 6 are housed in instrument container 2.
Core configuration in logic control arithmetic element 5 is control algorithm circuit 7, and control algorithm circuit 7 is connected with display control circuit 8, display memory circuit 9 and video decode circuit 10 respectively.
The core configuration of microprocessing unit 6 is microprocessors 11, and microprocessor 11 is connected with the control algorithm circuit 7 in power voltage monitoring circuit 12, keyboard control circuit 13, real time clock circuit 14, nonvolatile memory 15 and logic control computing circuit unit 5 respectively.
On the shell of instrument container 2, be provided with external interface group 16, comprise computer interface, printer interface, and USB flash disk socket.Microprocessor 16 is also connected with external interface group 16 by interface circuit 17.
Power amplifier 18 and video decode circuit 10 are also housed in instrument container 2, yoke 1 is connected with power amplifier 18, electric battery 19 is connected with power amplifier 18 by inverter 20, and power amplifier 18 connects by the control algorithm circuit 7 in output waveform and power control circuit 21 andlogic control arithmetic elements 5.Camera 4 connects by the control algorithm circuit 7 in video decode circuit 10 andlogic control arithmetic elements 5.
Claims (3)
1. a digital portable type magnetic powder flaw detector, is characterized in that: this magnetic powder flaw detector comprises yoke (1); Yoke (1) is made up of the stacked siliconized plate of impact briquetting and winding electromagnetic induction line enameled wire loop; The light emitting diode (3) that annular arranges is housed on the end face of yoke (1) top, in the center of yoke (1) top end face, camera (4) is housed.
2. digital portable type magnetic powder flaw detector according to claim 1, is characterized in that: this magnetic powder flaw detector is also provided with instrument container (2) logic control arithmetic element (5) and microprocessing unit (6) are housed in instrument container (2); Core configuration in logic control arithmetic element (5) is control algorithm circuit (7), and control algorithm circuit (7) is connected with display control circuit (8), display memory circuit (9) and video decode circuit (10) respectively; The core configuration of microprocessing unit (6) is microprocessor (11), and microprocessor (11) is connected with the control algorithm circuit (7) in power voltage monitoring circuit (12), keyboard control circuit (13), real time clock circuit (14), nonvolatile memory (15) and logic control computing circuit unit (5) respectively; Power amplifier (18) and video decode circuit (10) are also housed in instrument container (2), yoke (1) is connected with power amplifier (18), electric battery (19) is connected with power amplifier (18) by inverter (20), and power amplifier (18) connects by the control algorithm circuit (7) in output waveform and power control circuit (21) andlogic control arithmetic element (5); Camera (4) connects by the control algorithm circuit (7) in video decode circuit (10) andlogic control arithmetic element (5).
3. digital portable type magnetic powder flaw detector according to claim 2, it is characterized in that: on the shell of described instrument container (2), be provided with external interface group (16), comprise computer interface, printer interface, with USB flash disk socket, microprocessor (11) is connected with external interface group (16) by interface circuit (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210016750.9A CN102590331B (en) | 2012-01-19 | 2012-01-19 | Digital portable type magnetic powder flaw detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210016750.9A CN102590331B (en) | 2012-01-19 | 2012-01-19 | Digital portable type magnetic powder flaw detector |
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| Publication Number | Publication Date |
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| CN102590331A CN102590331A (en) | 2012-07-18 |
| CN102590331B true CN102590331B (en) | 2014-12-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405941B (en) * | 2013-07-25 | 2015-05-20 | 杭州求是透平机制造有限公司 | Cooling tower type evaporation system |
| CN110763754A (en) * | 2019-10-18 | 2020-02-07 | 华电电力科学研究院有限公司 | Image type portable magnetic particle flaw detector and working method thereof |
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