CN204594932U - A kind of magnetic powder flaw detector - Google Patents
A kind of magnetic powder flaw detector Download PDFInfo
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- CN204594932U CN204594932U CN201520319743.5U CN201520319743U CN204594932U CN 204594932 U CN204594932 U CN 204594932U CN 201520319743 U CN201520319743 U CN 201520319743U CN 204594932 U CN204594932 U CN 204594932U
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- yoke
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Abstract
The utility model discloses a kind of magnetic powder flaw detector, comprise electromagnetic yoke and main frame, described main frame inside arrange CPU processor, video sampling circuit, modulus dress change circuit, inverter circuit, large-scale integrated gate array chip, the utility model can produce AC magnetic field without the need to external power supply, is made up of miniature yoke and portable charged ac magnetization power supply.The computermatic integrating control of portable charged ac magnetization power acquisition, yoke is equipped with integrated highlighted LED light device carried charge indicator, can show battery electric quantity situation in real time.The utility model have light, the built-in industrial high-definition camera of machine low-profile, can portable, there is ultraviolet light and white light conversion function, can take pictures to result of detection, store, communication, the advantage such as printing detection record.
Description
Technical field
The utility model relates to magnetic powder inspection field, relates to the equipment that a kind of magnetic powder inspection for ferrimagnet detects, is specifically related to a kind of magnetic powder flaw detector.
Background technology
Magnetic powder inspection uses lossless detection method comparatively widely at present, and it has applied range, can visit the advantages such as part is many, Detection accuracy is high, speed is fast.Be widely used in tubing, bar, section bar, weldment, machined piece flaw detection, the magnetic powder inspection of the surface that be applicable to forging and stamping, quench, weld, tired etc. causes and near surface flaw.
At present, the magnaflux used in China's magnetic powder inspection field is mostly interchange magnaflux, requires that working site provides alternating current 220V power supply in use, and heavy, is unfavorable for carrying and mobile flaw detection work, cannot carries out field and aloft work; Although some magnafluxs adopt dc-battery to power, the effect of magnetization workpiece can only be played, in flaw detection process, can not monitor in real time flaw detection process; After finding defect, defect magnetic trace image can not be carried out stored record etc., there is no result of detection record, maintenance and output function, make magnetic powder inspection work all levels of management personnel cannot accomplish effective management, can not meet the requirement of standardized work, standardized management; When using wet method flaw detection, easily there is leaky, very large hidden danger is also existed to the personal safety of operator; When using fluorescent penetrating inspection method, also must use fluorescent lamp, the above compounding practice of two people, makes flaw detection process loaded down with trivial details, wasting manpower and material resources.
Utility model content
The purpose of this utility model is the defect problem existed for above-mentioned magnetic particle inspection apparatus, provides a kind of working environment adaptability energy good, flexible and convenient to use, can improve testing efficiency and detection perform.There is little, lightweight, the portable feature of volume, have can store defect magnetic trace image, communication, printing detection record function and there is ultraviolet light, the conversion of white light irradiation and the magnaflux of brightness control function.
The utility model adopts following technical scheme:
A kind of magnetic powder flaw detector, described magnetic powder flaw detector comprises electromagnetic yoke and main frame, the outer layer ring of electromagnetic yoke rear end contact side roof part is to evenly distributed white light LEDs luminotron, the evenly distributed ultraviolet LED of middle level hoop of electromagnetic yoke rear end contact side roof part, electromagnetic yoke rear end contact side roof part internal layer is the small-sized micro-camera of industrial high definition, described electromagnetic yoke is compressing by silicon steel sheet, outer winding multilayer enameled wire, described main frame inside arranges video sampling circuit, analog to digital conversion circuit, CPU processor, large-scale integrated gate array chip, data storage circuitry.
Industry high definition minisize pick-up head by the vision signal that collects by cable transmission to the video sampling circuit in main frame and mould, number conversion circuit, the vision signal of simulation is converted to digital video signal, then show on a display screen after being processed by CPU processor and extensive gate-array circuit camera collection to image.
There is USB communication interface described main frame outside, and by usb data connecting line, the picture store magnetic powder flaw detector and data are transferred to computing machine, also can be arranged magnetic powder inspection machine host by computing machine.Ultraviolet light, white light conversion and drive circuit unit that main frame inside is arranged, changed by Keyboard Control ultraviolet light and white-light illuminating and carry out the adjustment of brightness of illumination, to adapt to the needs of different flaw detection lightness environment.
Lithium battery group, DC inversion circuit and magnetization current control circuit is provided with by stube cable for electromagnetic yoke inside enameled wire loop provides magnetization current in described main frame.The direct supply that lithium battery group in main frame provides, after DC inversion circuit is produced alternating voltage, then is produced magnetization current through magnetization current control circuit, is supplied to the enameled wire loop of electromagnetic yoke inside by stube cable, magnetizes detection workpiece.
Described magnetic powder flaw detector is equipped with the shell of compact, described host shell is provided with display screen and keyboard.Display screen display detects surface of the work image, carries out ultraviolet light, white light conversion and brightness regulation by keyboard, and the operation such as image storage.
Described white light LEDs luminotron is 4-8; Described ultraviolet LED is 4-8.
Principle of work of the present utility model is: the direct supply of lithium battery group is after the inversion of DC inversion circuit is alternating voltage, magnetization current is produced again through magnetization current control circuit, be supplied to the enameled wire loop of electromagnetic yoke inside by stube cable, detection workpiece is magnetized.The ultraviolet light of main frame inside, white-light illuminating change and driving circuit drives and brightness regulation ultraviolet leds light emitting diode and white light LEDs light emitting diode respectively according to keyboard operation instruction.The video that the surface of the work magnetic trace picture signal collected is transferred in main frame by stube cable is adopted circuit and analog to digital conversion circuit by the industrial high definition minisize pick-up head on electromagnetic yoke, and analog video signal is converted to digital video signal.Surface of the work magnetic trace image is shown in real time by display screen again after CPU processor, the process of large-scale integrated gate array chip.Data storage circuitry will store view data.The picture of storage and data are transferred to computing machine by data connecting line by USB interface.
Described magnetic powder flaw detector adopts lithium battery group to power, and arranges current converter and makes direct current supply exchange output; Described magnetic powder flaw detector can produce AC magnetic field without the need to external power supply, be made up of micro electric yoke and portable charged ac magnetization power supply, the computermatic integrating control of portable charged ac magnetization power acquisition, electromagnetic yoke is equipped with integrated highlighted LED light device carried charge indicator, can show battery electric quantity situation in real time.Power supply have overshoot, overcurrent, cross put, overheat protector function, prevent accidental damage.Possesses the unloaded function of identification and control, Based Intelligent Control start and stop, intelligent power-off protection (when lifting force is inadequate auto-breaking) etc. automatically of intelligence.
A kind of new electric source modes of described magnetic powder flaw detector, the direct current that the rechargeable battery of described magnetic powder flaw detector provides is through frequency conversion inversion and signal phase shift process, for magnetic powder inspection provides excitation supply, magnetic powder flaw detector is enable to possess the perviousness of direct current flaw detection and the pulsating nature exchanging flaw detection.No matter thus make magnetic powder inspection detect defect the degree of depth on or in the sensitivity behaviour of Surface testing, be obtained for lifting, therefore this product not only there is very high Surface testing sensitivity but also can have both there is very high surface under detection sensitivity also, the lower 2mm defect in surface can be detected fast.
In addition, the utility model uses power adjustable, is applicable to any standard-required; White light and fluorescent brightness adjustable, be applicable to any working environment; Lighting pilot lamp switch is adjustable.
In a word, the utility model has following characteristics:
(1) lithium battery group is adopted to power: not adopt and exchange 220v power supply, ensure that the safety of flaw detection operating personnel, particularly prevent the generation adopting wet method flaw detection hourglass electrification, be easy to carry and can realize field, high-altitude flaw detection operation, any working site can be carried to arbitrarily, solve the drawback that traditional magnaflux 220V always too busy to get away for many years powers.Little power consumption, once charging can continuous working more than four hours.
(2) direct current supply output AC magnetization current: instrument adopts a kind of new electric source modes, the direct current provided by rechargeable battery is through frequency conversion inversion and signal phase shift process, for yoke provides ac magnetization power supply, enable magnetic powder flaw detector possess the perviousness of direct current flaw detection and the pulsating nature exchanging flaw detection simultaneously, no matter thus make magnetic powder inspection detect defect the degree of depth on or in the sensitivity behaviour of Surface testing, be obtained for lifting, therefore, while this product had both had very high Surface testing sensitivity, the lower 2mm defect in surface can also be detected fast.
(3) possess fluorescence and white light two kinds of working methods, irradiation intensity can regulate respectively: dual-use, and white light, fluorescence two kinds of working methods convert by a key operation.Flaw detection operation under not needing other lighting installations both can realize various environment, when adopting fluorescent magnetic particle flaw detection operation, not needing other personnel and fluorescent luminaire, singlely both can complete flaw detection operation.While greatly reducing man power and material's job costs, also greatly reduce flaw detection work operations difficulty.Fluorescence, white light irradiation intensity can regulate respectively, are more conducive to observing surface of the work magnetic trace state.
(4) export magnetization current adjustable: the magnetization current being supplied to yoke coil can be regulated by button, the standard-required of various workpiece and flaw detection operation can be met.
(5) the flaw detection job state arranged can memory storage: the working method be provided with, irradiation intensity and output magnetization current can autostore memories, just can directly use after start when not needing adjustment.
(6) screen display battery electric quantity, working method, irradiation intensity and output magnetization current function is possessed, by the duty observing instrument designing and flaw detection operation that instrument screen is clear.
The configurable multiple yoke of (7) one machine a: instrument host can configure the yoke of multiple different model, be connected on main frame can carry out flaw detection operation according to the yoke that the different choice of flaw detection workpiece is applicable to, reduce cost and eliminate and change the loaded down with trivial details of yoke contact.
(8) can uninterrupted operation continuously: electromagnetic yoke adopts pulsating power supply technique, can non-stop run continuously, eliminate the restriction that traditional electrical yoke must have time working clearance, improve carrying out flaw detection speed and work efficiency greatly.
(9) volume is little, lightweight, is easy to carry: instrument is small and exquisite, light, is easy to carry.Be configured with the waistband of applicable organization of human body, corium instrument bag.Operator can be inclined cross in loins, realizes single flaw detection operation, reduces human and material resources.Greatly reducing the labour intensity of flaw detection personnel and be easy to keep working site environment, is real portable instrument.
(10) good sealing effect, insulating property are strong, and wet method flaw detection liquid-impermeable, ensures the safety of flaw detection operating personnel.
The beneficial effects of the utility model are:
1, magnetic powder flaw detector adopts lithium battery group direct supply, breaks away from the restriction of alternating current 220V power supply, is easy to carry and can realizes field, high-altitude flaw detection operation, and can prevent the generation of the electric shock accidents when carrying out adopting the flaw detection of magnetcisuspension liquid.
2, by magnetic powder flaw detector screen can real-time monitored to surface of the work magnetic trace status image, prevent because detection workpiece shapes is complicated, working space is narrow and small and the obstruction of yoke or hand, sight line cannot directly be observed surface of the work magnetic trace and cause the generation of defect detection leakage phenomenon, effectively raises magnetic powder inspection accuracy.
3, can store magnetic particle inspection defect magnetic trace image, data analysis, printing and realization and computer communication function, flaw detection work is reached, and process can be monitored, result can be reviewed, and then can realize the object of standardized work, standardized management.
4, possess ultraviolet light and white light two kinds of lighting sources, when carrying out flaw detection operation, not needing other illumination and ultraviolet irradiation equipment and support personnel, thus reducing testing cost.Ultraviolet light and white-light illuminating mode can carry out conversion and brightness can regulate, can adapt to the flaw detection job requirements of various brightness flaw detection environment, more be conducive to observing surface of the work magnetic trace, improve detection accuracy.
Accompanying drawing explanation
Fig. 1 is the structural drawing of described magnetic powder flaw detector;
Fig. 2 is the small-sized micro-camera structure figure of described electromagnetic yoke pilot lamp and industrial high definition;
Description of reference numerals
1 electromagnetic yoke; 2 main frames; 3 stube cables; 4 display screens; 5 keyboards; 6 white light LEDs luminotrons; 7 ultraviolet LED; 8 industrial high definition minisize pick-up heads.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing and preferred embodiment of the present utility model.
As shown in Figure 1-2, a kind of magnetic powder flaw detector, described magnetic powder flaw detector comprises electromagnetic yoke 1 and main frame 2, the outer layer ring of electromagnetic yoke 1 rear end contact side roof part is to evenly distributed white light LEDs luminotron 6, the evenly distributed ultraviolet LED 7 of middle level hoop of electromagnetic yoke 1 rear end contact side roof part, electromagnetic yoke 1 rear end contact side roof part internal layer is industrial high definition minisize pick-up head 8.Electromagnetic yoke 1 is compressing by silicon steel sheet, carries out insulation processing outside silicon steel sheet core, is sealing after being wound around multilayer enameled wire.
Industry high definition minisize pick-up head 8 by the vision signal that collects by cable transmission to the video sampling circuit in main frame 2 and mould, number conversion circuit, the vision signal of simulation is converted to digital video signal, then show on the display screen 4 after being processed by CPU processor and extensive gate-array circuit camera collection to image.
There is USB communication interface described main frame outside, and by usb data connecting line, the picture store magnetic powder flaw detector and data are transferred to computing machine, also can be arranged magnetic powder inspection machine host by computing machine.Ultraviolet light, white light conversion and drive circuit unit that main frame 2 inside is arranged, control ultraviolet light by keyboard 5 and white-light illuminating is changed and carries out the adjustment of brightness of illumination, to adapt to the needs of different flaw detection lightness environment.
Lithium battery group, DC inversion circuit and magnetization current control circuit is provided with by stube cable for electromagnetic yoke inside enameled wire loop provides magnetization current in described main frame 2.The direct supply that lithium battery group in main frame 2 provides, after DC inversion circuit is produced alternating voltage, then is produced magnetization current through magnetization current control circuit, is supplied to the enameled wire loop of electromagnetic yoke inside by stube cable, magnetizes detection workpiece.
Described magnetic powder flaw detector is equipped with the shell of compact, and described main frame 2 housing is provided with display screen 4 and keyboard 5.Display screen 4 shows and detects surface of the work image, carry out ultraviolet light, white light conversion and brightness regulation by keyboard 5, and the operation such as image storage.
White light LEDs luminotron 6 is managed as 4-8; Described ultraviolet LED 7 is 4-8.
Described magnetic powder flaw detector adopts lithium battery group to power, and arranges current converter and makes direct current supply exchange output; Described magnetic powder flaw detector can produce AC magnetic field without the need to external power supply, be made up of micro electric yoke and portable charged ac magnetization power supply, the computermatic integrating control of portable charged ac magnetization power acquisition, electromagnetic yoke 1 is equipped with integrated highlighted LED light device carried charge indicator, can show battery electric quantity situation in real time.Power supply have overshoot, overcurrent, cross put, overheat protector function, prevent accidental damage.Possesses the unloaded function of identification and control, Based Intelligent Control start and stop, intelligent power-off protection (when lifting force is inadequate auto-breaking) etc. automatically of intelligence.
A kind of new electric source modes of described magnetic powder flaw detector, the direct current that the rechargeable battery of described magnetic powder flaw detector provides is through frequency conversion inversion and signal phase shift process, for magnetic powder inspection provides excitation supply, magnetic powder flaw detector is enable to possess the perviousness of direct current flaw detection and the pulsating nature exchanging flaw detection.No matter thus make magnetic powder inspection detect defect the degree of depth on or in the sensitivity behaviour of Surface testing, be obtained for lifting, therefore this product not only there is very high Surface testing sensitivity but also can have both there is very high surface under detection sensitivity also, the lower 2mm defect in surface can be detected fast.
In addition, the utility model uses power adjustable, is applicable to any standard-required; White light and fluorescent brightness adjustable, be applicable to any working environment; Lighting pilot lamp switch is adjustable.
In a word, the utility model has following characteristics:
(1) lithium battery group is adopted to power: not adopt and exchange 220v power supply, ensure that the safety of flaw detection operating personnel, particularly prevent the generation adopting wet method flaw detection hourglass electrification, be easy to carry and can realize field, high-altitude flaw detection operation, any working site can be carried to arbitrarily, solve the drawback that traditional magnaflux 220V always too busy to get away for many years powers.Little power consumption, once charging can continuous working more than four hours.
(2) direct current supply output AC magnetization current: instrument adopts a kind of new electric source modes, the direct current provided by rechargeable battery is through frequency conversion inversion and signal phase shift process, for yoke provides ac magnetization power supply, enable magnetic powder flaw detector possess the perviousness of direct current flaw detection and the pulsating nature exchanging flaw detection simultaneously, no matter thus make magnetic powder inspection detect defect the degree of depth on or in the sensitivity behaviour of Surface testing, be obtained for lifting, therefore, while this product had both had very high Surface testing sensitivity, the lower 2mm defect in surface can also be detected fast.
(3) possess fluorescence and white light two kinds of working methods, irradiation intensity can regulate respectively: dual-use, and white light, fluorescence two kinds of working methods convert by a key operation.Flaw detection operation under not needing other lighting installations both can realize various environment, when adopting fluorescent magnetic particle flaw detection operation, not needing other personnel and fluorescent luminaire, singlely both can complete flaw detection operation.While greatly reducing man power and material's job costs, also greatly reduce flaw detection work operations difficulty.Fluorescence, white light irradiation intensity can regulate respectively, are more conducive to observing surface of the work magnetic trace state.
(4) export magnetization current adjustable: the magnetization current being supplied to yoke coil can be regulated by button, the standard-required of various workpiece and flaw detection operation can be met.
(5) the flaw detection job state arranged can memory storage: the working method be provided with, irradiation intensity and output magnetization current can autostore memories, just can directly use after start when not needing adjustment.
(6) screen display battery electric quantity, working method, irradiation intensity and output magnetization current function is possessed, by the duty observing instrument designing and flaw detection operation that instrument screen is clear.
The configurable multiple yoke of (7) one machine a: instrument host can configure the yoke of multiple different model, be connected on main frame can carry out flaw detection operation according to the yoke that the different choice of flaw detection workpiece is applicable to, reduce cost and eliminate and change the loaded down with trivial details of yoke contact.
(8) can uninterrupted operation continuously: electromagnetic yoke adopts pulsating power supply technique, can non-stop run continuously, eliminate the restriction that traditional electrical yoke must have time working clearance, improve carrying out flaw detection speed and work efficiency greatly.
(9) volume is little, lightweight, is easy to carry: instrument is small and exquisite, light, is easy to carry.Be configured with the waistband of applicable organization of human body, corium instrument bag.Operator can be inclined cross in loins, realizes single flaw detection operation, reduces human and material resources.Greatly reducing the labour intensity of flaw detection personnel and be easy to keep working site environment, is real portable instrument.
(10) good sealing effect, insulating property are strong, and wet method flaw detection liquid-impermeable, ensures the safety of flaw detection operating personnel.
Advantage of the present utility model is: (1) adopts complete intelligent color operation interface, makes simple to operate, light; (2) instrument adopts lithium battery group to power, can continuous working more than 4 hours, can realize field, high-altitude flaw detection operation, can be carried to arbitrarily any working site, solves the drawback that 220V that traditional magnaflux be unable to do without for many years always powers; (3) no matter make magnetic powder inspection in the degree of depth detecting defect or be obtained for lifting in the sensitivity behaviour of Surface testing, therefore this product had not only had very high Surface testing sensitivity but also can have both and had detection sensitivity under very high surface; (4) industrial high definition microminiature camera is adopted, defects detecting technology can be set, to the position that naked eyes cannot detect, by instrument screen to flaw detection real-time process monitoring, find defect automatic alarm and result of detection can be taken pictures, store, data analysis etc.; (5); Have the functions such as software administration, image processing, printing, communication flaw detection report, flaw detection work is reached, and process can be monitored, result can be reviewed, and then completes the object of standardized work, standardized management; Instrument can realize without paper records, has trackability to result of detection; (6) mass storage, and by the flaw detection report in instrument, defect schematic diagram, photo in kind etc. and computer communication, computer data management can be realized, and the flaw detection report of Excel form, A4 paper can be derived; (7) instrument has computing machine to overhaul monitoring flaw detection management software, can realize computer network management; (8) USB interface can realize instrument internal and store data, data waveform to the unloading of USB flash disk, prints flaw detection report; (9) instrument is small and exquisite, light, is easy to carry, and can realize field, high-altitude flaw detection operation, greatly reducing the labour intensity of flaw detection personnel and be easy to keep working site environment, is real portable instrument; (10) electromagnetic yoke adopts pulsating power supply technique, can non-stop run continuously, eliminates the restriction that traditional electrical yoke must have time working clearance; (11) dual-use, white light, fluorescence are convertible; (12) electromagnetic yoke good sealing effect, wet method flaw detection leakproof, can ensure the personal safety of operator.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (5)
1. a magnetic powder flaw detector, it is characterized in that: described magnetic powder flaw detector comprises electromagnetic yoke and main frame, the outer layer ring of electromagnetic yoke rear end contact side roof part is to evenly distributed white light LEDs luminotron, the evenly distributed ultraviolet LED of middle level hoop of electromagnetic yoke rear end contact side roof part, electromagnetic yoke rear end contact side roof part internal layer is the small-sized micro-camera of industrial high definition, described electromagnetic yoke is compressing by silicon steel sheet, outer winding multilayer enameled wire, described main frame inside arranges video sampling circuit, analog to digital conversion circuit, CPU processor, large-scale integrated gate array chip, data storage circuitry.
2. magnetic powder flaw detector according to claim 1, it is characterized in that: there is USB interface described main frame outside, by usb data connecting line, the picture that magnetic powder flaw detector can be stored and data are transferred to computing machine, main frame inside arranges ultraviolet light, white light conversion and drive circuit unit, by Keyboard Control ultraviolet light and white light conversion and brightness regulation.
3. magnetic powder flaw detector according to claim 1, is characterized in that: be provided with lithium battery group, DC inversion circuit and magnetization current control circuit in described main frame by stube cable for electromagnetic yoke inside enameled wire loop provides magnetization current.
4. magnetic powder flaw detector according to claim 1, is characterized in that: described host shell is provided with display screen and keyboard.
5. magnetic powder flaw detector according to claim 1, is characterized in that: described white light LEDs luminotron is 4-8; Described ultraviolet LED is 4-8.
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| CN201520319743.5U CN204594932U (en) | 2015-05-18 | 2015-05-18 | A kind of magnetic powder flaw detector |
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| CN201520319743.5U CN204594932U (en) | 2015-05-18 | 2015-05-18 | A kind of magnetic powder flaw detector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238657A (en) * | 2017-06-06 | 2017-10-10 | 北京博力加机电技术有限公司 | Railway wheel shaft automation imaging magnaflux and method |
| CN107607613A (en) * | 2017-10-24 | 2018-01-19 | 仓军 | A kind of Portable magnetic powder crack detector |
| 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 |
| CN113884719A (en) * | 2021-09-12 | 2022-01-04 | 中车大连机车车辆有限公司 | Multifunctional voltage-stabilized power supply for AC magnetic yoke calibration |
-
2015
- 2015-05-18 CN CN201520319743.5U patent/CN204594932U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238657A (en) * | 2017-06-06 | 2017-10-10 | 北京博力加机电技术有限公司 | Railway wheel shaft automation imaging magnaflux and method |
| CN107607613A (en) * | 2017-10-24 | 2018-01-19 | 仓军 | A kind of Portable magnetic powder crack detector |
| 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 |
| CN113884719A (en) * | 2021-09-12 | 2022-01-04 | 中车大连机车车辆有限公司 | Multifunctional voltage-stabilized power supply for AC magnetic yoke calibration |
| CN113884719B (en) * | 2021-09-12 | 2024-02-27 | 中车大连机车车辆有限公司 | Multifunctional voltage-stabilized power supply for calibrating alternating current magnetic yoke |
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