CN204649689U - A kind of black and white light dual-purpose type yoke defectoscope - Google Patents
A kind of black and white light dual-purpose type yoke defectoscope Download PDFInfo
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- CN204649689U CN204649689U CN201520345032.5U CN201520345032U CN204649689U CN 204649689 U CN204649689 U CN 204649689U CN 201520345032 U CN201520345032 U CN 201520345032U CN 204649689 U CN204649689 U CN 204649689U
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- black
- white light
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- yoke
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- 239000011449 brick Substances 0.000 claims description 12
- 238000013519 translation Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000005350 fused silica glass Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 20
- 238000007689 inspection Methods 0.000 abstract description 11
- 239000006249 magnetic particle Substances 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000005291 magnetic effect Effects 0.000 description 10
- 239000006247 magnetic powder Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses a kind of black and white light dual-purpose type yoke defectoscope, comprise defectoscope body, described defectoscope body both sides are provided with two yoke pin, the defectoscope body be positioned at inside one of them yoke pin is provided with a dip plane, described dip plane is provided with white light and black lamp, is also provided with the camera for gathering image between described white light and black lamp.The utility model, by yoke pin, black lamp, white light integrated design, uses single yoke defectoscope just can carry out black particle flaw detection or fluorescent magnetic particle flaw detection, makes a people just can complete fluorescent magnetic particle flaw detection, and without the need to wearing independently black lamp light source.When black lamp and white light structural design guarantee fluorescent penetrating inspection, black light can not be irradiated to human body, and operator can be protected healthy.
Description
Technical field
The utility model relates to defectoscope field, in particular a kind of black and white light dual-purpose type yoke defectoscope.
Background technology
Utilize the stray field at workpiece, defect place and the interaction of magnetic, utilize steel product surface and near surface flaw (as crackle, slag inclusion, hairline etc.) difference of magnetic permeability and iron and steel magnetic permeability, after magnetization will there is rugged change in the magnetic field at these material discontinuity places, forming section flux leakage place surface of the work creates stray field, thus attract magnetic to form the magnetism powder accumulation of fault location, under suitable illumination condition, show defective locations and shape, the accumulation of these magnetics observed and is explained, just being achieved magnetic powder inspection.
Magnetic powder inspection is the one of the large conventional method of Non-Destructive Testing five, is also a kind of conventional means of inspection ferrimagnet surface or near surface flaw.Because its detection sensitivity is high, simple and reliable process, therefore be widely adopted.The magnetic powder material classification that magnetic powder inspection uses with it, can be divided into common magnetic powder inspection and fluorescent magnetic particle flaw detection two kinds.
Practical application proves that the black particle defectoscopy that fluorescent magnetic particle flaw detection method is more traditional has obvious advantage: contrast ratio is high, highly sensitive, but mostly adopts black particle defectoscopy when carrying out magnetic powder inspection at the scene with field at present.Need when main cause is exactly fluorescent magnetic particle flaw detection black lamp and magnetic visit instrument with the use of, and black lamp (UV-lamp) and magnetic to visit instrument be two separate components, when carrying out magnetic powder inspection with field at the scene, a people is needed to operate defectoscope and observe result of detection, another person then operates black lamp and irradiates, so not only human cost is high, efficiency is low, and coordinates and badly also can be irradiated to human body, causes ultraviolet ray burn to tester.This just greatly limit fluorescent magnetic particle flaw detection at the scene with the application of field environment.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of black and white light dual-purpose type yoke defectoscope, simplifies flaw detection operation, can available protecting operator.
The technical solution of the utility model is as follows:
A kind of black and white light dual-purpose type yoke defectoscope, comprise defectoscope body, described defectoscope body both sides are provided with two yoke pin, the defectoscope body be positioned at inside one of them yoke pin is provided with a dip plane, described dip plane is provided with white light and black lamp, is also provided with the camera for gathering image between described white light and black lamp.
Described black and white light dual-purpose type yoke defectoscope, wherein, described white light is LED white light, and described black lamp is LED UV-lamp.
Described black and white light dual-purpose type yoke defectoscope, wherein, described white light is also equipped with prefocus cup.
Described black and white light dual-purpose type yoke defectoscope, wherein, described black lamp is also equipped with fused silica filter and prefocus cup.
Described black and white light dual-purpose type yoke defectoscope, wherein, also comprises the control circuit being arranged on and being connected with described white light and black lamp in yoke defectoscope body, and described control circuit is used for carrying out current limliting and switching to white light and black lamp.
Described black and white light dual-purpose type yoke defectoscope, wherein, also comprise a power brick, described power brick is connected by an inverter circuit with described yoke pin, and described power brick is connected by a DC/DC translation circuit with described white light and black lamp.
Black and white light dual-purpose type yoke defectoscope provided by the utility model, by yoke pin, black lamp, white light integrated design, use single yoke defectoscope just can carry out black particle flaw detection or fluorescent magnetic particle flaw detection, make a people just can complete fluorescent magnetic particle flaw detection, and without the need to wearing independently black lamp light source.When black lamp and white light structural design guarantee fluorescent penetrating inspection, black light can not be irradiated to human body, and operator can be protected healthy.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of black and white light dual-purpose type yoke defectoscope in the utility model.
Fig. 2 is the black light irradiation area schematic diagram of black and white light dual-purpose type yoke defectoscope in the utility model.
Fig. 3 is the theory diagram of black and white light dual-purpose type yoke defectoscope in the utility model.
Fig. 4 is the schematic diagram of the DC/DC translation circuit of black and white light dual-purpose type yoke defectoscope in the utility model.
Fig. 5 is the schematic diagram of the control circuit of black and white light dual-purpose type yoke defectoscope in the utility model.
In figure: 1, black lamp; 2, camera; 3, white light; 4, hand grasp area; Yoke pin 5.
Embodiment
The utility model provides a kind of black and white light dual-purpose type yoke defectoscope, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes the utility model referring to accompanying drawing examples.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to shown in Fig. 1, the black and white light dual-purpose type yoke defectoscope that the utility model provides, comprise defectoscope body, described defectoscope body comprises a U-shaped iron core, described U-shaped iron core is full of the yoke coil connecting power supply.Described defectoscope body both sides are provided with two yoke pin 5, the end of the outstanding defectoscope body of described yoke pin 5 that is two of U-shaped iron core.The defectoscope body be positioned at inside one of them yoke pin 5 is provided with a dip plane, and described dip plane is provided with white light 3 and black lamp 1.Namely be positioned at one of them yoke pin 5 side at defectoscope body and arrange a dip plane, yoke pin 5 shape on this dip plane and vertical direction forms an angle, and the angle of this angle can be arranged according to each component sizes of defectoscope in specific embodiment.The angle of dip plane arranges and should ensure that white light 3 and black lamp 1 can be irradiated to the surface of the work between two yoke pin 5.
As shown in Figure 1, in figure, two circular windows are the white light exit window of white light 3 and the black light exit window of black lamp 1 respectively.Exit window perpendicular line and yoke pin 5 have an angle of inclination, can ensure range of exposures like this, as far as possible past for exit window more lower position design, can be convenient to light-illuminating and image acquisition again.In preferred embodiment of the present utility model, described yoke defectoscope body also comprises a shell, and described white light 3 and black lamp 1 can be arranged on dip plane on the housing.
Concrete described defectoscope body middle part is a hand grasp area 4 as shown in Figure 2, and when detecting a flaw, operator grips this hand grasp area 4 and can carry out workpiece flaw detection.Adopt in flaw detection process with camera head by result of detection record, between described white light 3 and black lamp 1, be namely also provided with the camera 2 for gathering image.Region representation black lamp 1 in Fig. 2 between two dotted lines can irradiation area, is also that camera 2 can shooting area; Black lamp 1 pair of workpiece carry out black light irradiate after camera 2 gather magnetic and workpiece image or video, facilitate subsequent calls image or video to carry out result of detection verification, image or video also can be utilized to exercise supervision to operator's working result simultaneously.
Further, as a specific embodiment of the present utility model, described white light 3 is LED white light, and described black lamp 1 is LED UV-lamp.Described white light 3 is also equipped with prefocus cup, and prefocus cup adds the brightness of LED white light 3, and the power not only reducing LED white light 3 also can better control the range of exposures of light.Described black lamp 1 is also equipped with fused silica filter and prefocus cup, namely on black lamp 1 exit window, fused silica filter and prefocus cup is installed, to ensure the purity of black light.
Specifically as shown in Figure 3, Fig. 3 is the theory diagram of black and white light dual-purpose type yoke defectoscope in the utility model.Defectoscope of the present utility model also comprises a power brick, and described power brick is connected by an inverter circuit with described yoke pin 5, and described power brick is connected by a DC/DC translation circuit with described white light 3 and black lamp 1.
Namely the output current of power brick becomes through inverter circuit the yoke coil that after alternating current, supply is wound on yoke pin 5, thus magnetic field required when producing magnetic powder inspection.The electric current electricity that power brick exports on the other hand becomes stable 4.5V direct current after DC/DC translation circuit, and this 4.5V direct current supply LED white light 3 and LED UV-lamp, two lamps carry out break-make by current limliting and commutation circuit and control.In specific embodiment, the design of battery, inverter circuit, DC/DC translation circuit is in a structure, form power pack, above-mentioned LED white light 3, LED UV-lamp (black lamp) and both current limlitings thereof and commutation circuit, yoke pin 5 design in a structure, form a yoke probe, then power supply bag and yoke probe stube cable are connected to become complete black and white light dual-purpose type yoke defectoscope.
Further, refer to shown in Fig. 4, Fig. 4 is the schematic diagram of the DC/DC translation circuit of black and white light dual-purpose type yoke defectoscope in the utility model.In figure, U47 is a high frequency voltage descending conversion chip, and inside is integrated with MOSFET pipe (metal-oxide layer-semiconductor-field-effect transistor), the cell voltage BV of 8 pin inputs can be become high-frequency impulse and export from 1 pin, after inductance L 6 filtering, become direct current.Export 5 pins that direct current feeds back to U47 after R94, R93 dividing potential drop, control the dutycycle exporting high-frequency impulse, thus stable output at 4.5V.D26 is fly-wheel diode, ensures the current continuity of inductance L 6 within the output high-frequency impulse turn-off time.C100, C110 are input filter, and C106, C107, C38 are output filtering, stable output 4.5V voltage.C108, C109, R95 are the plug-in device of U47 inner feedback loop.CTRL, for exporting control pin, when this signal is low level, exports normal, when this signal is high level, exports and turn off, thus can control the power supply of LED flexibly.
Further, refer to shown in Fig. 5, Fig. 5 is the schematic diagram of the control circuit of black and white light dual-purpose type yoke defectoscope in the utility model.Described defectoscope also comprises the control circuit being arranged on and being connected with described white light 3 and black lamp 1 in yoke defectoscope body, and described control circuit is used for carrying out current limliting and switching to white light 3 and black lamp 1.Namely DC/DC variable-current exports 4.5V direct current and receives above-mentioned LED white light 3 and LED black lamp 1(LED UV-lamp) positive pole, two lamp negative poles receive change-over switch S1 after series resistor R1, R2 respectively, first select which lamp connect by S1.Resistance R1, R2 play current limliting hypotensive effect.The operating voltage of LED black lamp 1 is generally 3.8 ~ 4.4V, so input is set as 4.5V, then reduce voltage by resistance R2 and reach electric current required for LED black lamp 1, when thermal effect causes LED black lamp 1 electric current to increase, ohmically voltage VR=R2*IR also corresponding increase, the then voltage VL=4.5-VR just corresponding reduction at LED black lamp 1 two ends, thus the stable electric current flowing through LED black lamp 1; When thermal effect causes LED black lamp 1 electric current to reduce, ohmically voltage VR=R2*IR also corresponding reduction, then the voltage VL=4.5-VR just corresponding increase at LED black lamp 1 two ends, thus the stable electric current flowing through LED black lamp 1.So resistance R2 also plays current stabilization effect.R1 relative to the effect of LED white light 3 and R2 just the same relative to the effect of LED black lamp 1, be not repeated here.
In certain the utility model, the power supply mode of the yoke coil of yoke pin 5 also can be direct current or square wave electricity etc.; The power supply mode of power brick also can adopt alternating current or change cell voltage; and change corresponding circuit; the change of the power supply mode of LED white light and LED black lamp; as changed voltage, using alternating current instead, changing feed circuit etc.; below all belong to the distortion patent expected of the present utility model, also should fall into protection domain of the present utility model.And for example DC/DC translation circuit is integrated in the shell of yoke defectoscope body; change LED black lamp entity and adopt other black lamps; the technology adopting two independent switches to switch LED black lamp and LED white lights etc. changes be input based on the utility model easily expect and the other specific embodiment implemented, also should fall into protection scope of the present invention.
In sum, black and white light dual-purpose type yoke defectoscope provided by the utility model, by yoke pin, black lamp, white light integrated design, use single yoke defectoscope just can carry out black particle flaw detection or fluorescent magnetic particle flaw detection, make a people just can complete fluorescent magnetic particle flaw detection, and without the need to wearing independently black lamp light source.When black lamp and white light structural design guarantee fluorescent penetrating inspection, black light can not be irradiated to human body, and operator can be protected healthy.
Should be understood that; application of the present utility model is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert; such as, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (6)
1. a black and white light dual-purpose type yoke defectoscope, it is characterized in that, comprise defectoscope body, described defectoscope body both sides are provided with two yoke pin, the defectoscope body be positioned at inside one of them yoke pin is provided with a dip plane, described dip plane is provided with white light and black lamp, is also provided with the camera for gathering image between described white light and black lamp.
2. black and white light dual-purpose type yoke defectoscope according to claim 1, it is characterized in that, described white light is LED white light, and described black lamp is LED UV-lamp.
3. black and white light dual-purpose type yoke defectoscope according to claim 1, is characterized in that, described white light is also equipped with prefocus cup.
4. black and white light dual-purpose type yoke defectoscope according to claim 1, is characterized in that, described black lamp is also equipped with fused silica filter and prefocus cup.
5. black and white light dual-purpose type yoke defectoscope according to claim 1, it is characterized in that, also comprise the control circuit being arranged on and being connected with described white light and black lamp in yoke defectoscope body, described control circuit is used for carrying out current limliting and switching to white light and black lamp.
6. black and white light dual-purpose type yoke defectoscope according to claim 1, it is characterized in that, also comprise a power brick, described power brick is connected by an inverter circuit with described yoke pin, and described power brick is connected by a DC/DC translation circuit with described white light and black lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345032.5U CN204649689U (en) | 2015-05-26 | 2015-05-26 | A kind of black and white light dual-purpose type yoke defectoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345032.5U CN204649689U (en) | 2015-05-26 | 2015-05-26 | A kind of black and white light dual-purpose type yoke defectoscope |
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| CN204649689U true CN204649689U (en) | 2015-09-16 |
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| CN201520345032.5U Expired - Fee Related CN204649689U (en) | 2015-05-26 | 2015-05-26 | A kind of black and white light dual-purpose type yoke defectoscope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153713A (en) * | 2016-06-28 | 2016-11-23 | 中国计量大学 | A kind of metallic conduit defect in inner surface detection device |
| CN107817291A (en) * | 2016-09-12 | 2018-03-20 | 码科泰克株式会社 | Magnetic powder inspection device and magnetic powder inspection method |
| 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 |
-
2015
- 2015-05-26 CN CN201520345032.5U patent/CN204649689U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153713A (en) * | 2016-06-28 | 2016-11-23 | 中国计量大学 | A kind of metallic conduit defect in inner surface detection device |
| CN107817291A (en) * | 2016-09-12 | 2018-03-20 | 码科泰克株式会社 | Magnetic powder inspection device and magnetic powder inspection method |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151119 Address after: 518081 ninth. H (office only), deep salt road building, Yantian District, Shenzhen, Guangdong Patentee after: SHENZHEN ZHONG CHANG INSPECTION EQUIPMENT CO.,LTD. Address before: 518081 Deep Salt Road Bao Mao Building, Yantian District, Guangdong, Shenzhen, 9H Patentee before: Li Bo |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |