CN205484195U - Integral type AC/DC is yoke appearance of detecting a flaw alternately - Google Patents
Integral type AC/DC is yoke appearance of detecting a flaw alternately Download PDFInfo
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- CN205484195U CN205484195U CN201620172746.5U CN201620172746U CN205484195U CN 205484195 U CN205484195 U CN 205484195U CN 201620172746 U CN201620172746 U CN 201620172746U CN 205484195 U CN205484195 U CN 205484195U
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- yoke
- control module
- crack detector
- crossed yoke
- crossed
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses an integral type AC/DC is yoke appearance of detecting a flaw alternately, it includes power, yoke probe and be arranged in the control module for pulse signal with the DC conversion of chargeable call package alternately, alternately the yoke probe comprises at the solenoid of iron core tip iron core and two sets of winding, two pi shape iron core that the iron core was arranged for square or rectangle, solenoid A and solenoid B's magnetizes the signal phase less than 90 degrees, and control module arranges detect a flaw one side of appearance of intersection yoke in, the power for chargeable call package or~the 220V single phase alternating current electricity, alternately the yoke is detected a flaw and is equipped with the DC power supply socket on the appearance, the opposite side of pi type electromagnetism yoke probe is arranged in to the chargeable call package, is connected with the DC power supply socket, perhaps~the 220V single phase alternating current electric flux crosses the AC adapter and connect the DC power supply socket, supply power for solenoid through control module. The utility model discloses compact structure, it is small, light in weight, portable, the operation is safe convenient.
Description
Technical field
This utility model relates to field of non destructive testing, particularly to a kind of integral type AC/DC crossed yoke crack detector.
Background technology
Utilize the interaction of the stray field at workpiece, defect and magnetic powder, utilize steel product surface and near surface flaw (such as crackle, slag inclusion, hairline etc.) pcrmeability and the difference of iron and steel pcrmeability, after magnetization, the magnetic field at these material discontinuities will occur distortion, at forming part flux leakage, surface of the work creates stray field, thus attract magnetic powder to form the magnetism powder accumulation of fault location, under suitable illumination condition, show defective locations and shape, accumulation to these magnetic powders is observed and is explained, is achieved that magnetic powder inspection.Magnetic powder inspection is the one of the big conventional method of Non-Destructive Testing five, is also inspection ferrimagnet surface or a kind of conventional means of near surface flaw, owing to its detection sensitivity is high, simple and reliable process, therefore is widely adopted.
As shown in Figure 1, traditional crossed yoke is two Π shape iron core arranged crosswise together, the geometry angle of the crossing 90 degree, signal a and b that magnetize being added on the solenoid being wrapped in Π shape core ends has certain phase contrast, form rotating excitation field, it is achieved meet magnetization, the defect of all directions can be detected simultaneously, detection efficiency is high, solenoid L1And L2It is one group, L3And L4For another group.
Crossed yoke crack detector also has multiple, has and directly connects the work of 211V sinusoidal ac, also has charging exchange portable, and in a word, magnetic is visited instrument probe and is required for being attached with cable with feeder ear.Crossed yoke crack detector connects long cable, carries inconvenience, and cable length increases, and corresponding line loss consumption also increases；It addition, cable weight directly acts on magnetic spy instrument probe when work high above the ground and container internal detection, operation inconvenience, cable and probe, power supply junction are cable stress concentration portion position, time one is long, and cable is easy for rupturing from stress concentration portion position, and fault rate is high.
Utility model content
In place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of integral type AC/DC crossed yoke crack detector, and volume is little, lightweight, easy to operate, it is simple to carry.
In order to achieve the above object, this utility model takes techniques below scheme:
Integral type AC/DC crossed yoke crack detector, it includes power supply, crossed yoke probe and for the unidirectional current in rechargeable battery pack is converted to the control module of pulse signal, crossed yoke probe is made up of iron core and two groups of solenoids being wrapped in core ends, described iron core is double Π shape iron cores, arranged crosswise becomes square or rectangular, control module is placed in the side of crossed yoke crack detector, described crossed yoke probe top arranges handle, handle is provided with and controls the pre exciting switch that magnetic spy instrument opens and closes；Described power supply is rechargeable battery pack or ~ 220V single-phase alternating current, crossed yoke crack detector is provided with DC source socket, rechargeable battery pack is placed in the opposite side of Π type electromagnetic yoke probe, it is connected with DC source socket, or ~ 220V single-phase alternating current connects DC source socket by AC adapter, is solenoid by control module.
The central lower of described crossed yoke probe arranges LED white light and LED black light lamp, and power supply powers to two kinds of lamps by control module.
Described control module includes voltage-releasing voltage stabilizer, and power supply is LED white light by voltage-releasing voltage stabilizer and LED black light lamp is powered.
Crossed yoke crack detector is provided with a upper lateral part of control module and arranges guidance panel, and described guidance panel is provided with electricity display button, electricity display lamp and black/white light switching circulation button.
Compared to prior art, the integral type AC/DC crossed yoke crack detector that this utility model provides is provided with DC source socket, available rechargeable battery pack is powered, rechargeable battery pack can be installed on yoke crack detector, realize integrated with Π type electromagnetic yoke probe, control module, volume is little, it is simple to carry, easy to operate；Rechargeable battery pack can also be unloaded, connect D/C power jack with connecting line, alleviate probe weight, operate lighter；In ~ convenient the occasion of 220V single-phase alternating current, DC source socket can also be connected by AC adapter by ~ 220V single-phase alternating current, yoke crack detector is lightweight, and do not held quantitative limitation by rechargeable battery pack, can be operated for a long time, AC/DC, adds the adaptability of yoke crack detector, uses safety.
Accompanying drawing explanation
Fig. 1 is crossed yoke iron core schematic layout diagram；
Fig. 2 is structural representation schematic diagram of the present utility model；
Fig. 3 is circuit diagram of the present utility model；
Fig. 4 is front view of the present utility model；
Fig. 5 is top view of the present utility model；
Fig. 6 is operating board structure schematic diagram of the present utility model.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and effect clearer, clear and definite, referring to the drawings this utility model is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As in Figure 2-4, integral type AC/DC crossed yoke crack detector, it includes power supply, crossed yoke probe 2 and for the unidirectional current in rechargeable battery pack being converted to the control module 3 of pulse signal, crossed yoke probe 2 is made up of iron core and two groups of solenoids being wrapped in core ends, described iron core is double Π shape ferrum cores, arranged crosswise becomes square or rectangular, control module 3 is placed in the side of crossed yoke crack detector, described crossed yoke 2 tops of popping one's head in arrange handle 4, it is provided with on handle 4 and controls the pre exciting switch 5 that magnetic spy instrument opens and closes, pre exciting switch 5 controls the two paths of signals of control module 3 output and is applied on solenoid A8 and solenoid B9；Described power supply is rechargeable battery pack 1 or ~ 220V single-phase alternating current, crossed yoke crack detector is provided with DC source socket, rechargeable battery pack is placed in the opposite side of Π type electromagnetic yoke probe, the structure making crossed yoke crack detector is compacter, easy to operate, rechargeable battery pack 1 is connected with DC source socket, by control module 3, the unidirectional current in rechargeable battery pack being converted to pulse signal is solenoid, or ~ 220V single-phase alternating current connects DC source socket by AC adapter, is solenoid by control module.
Integral type AC/DC crossed yoke crack detector also includes support and control module 3, rechargeable battery pack 1 and the housing of crossed yoke probe 2, housing all packs all parts in addition to four yoke end feet, ensure that the overall sealing performance of crossed yoke crack detector, make liquid will not corrode internal circuit and device, reliability is higher, the life-span is longer, and housing can also is that other shapes in addition to this utility model.
Control module 3 is placed in a side body of crossed yoke crack detector, and the end cap outside control module 3 can be opened very easily, it is simple to safeguard later, and openable end cap does encapsulation process, prevents liquid from penetrating into, the panel of protection control module.
Pre exciting switch 5 is arranged on handle, and when operator's right hand holds handle, forefinger can operate easily, presses pre exciting switch 5, then start work of detecting a flaw, and decontrols and then stops flaw detection work.Described pre exciting switch 5 by compressing switch, makes crossed yoke crack detector can use in the environment of having liquid for water proof type.
For ensureing portability and the practicality of all-in-one, the capacity of rechargeable battery pack 1 can be designed to smaller, ensureing work 2 hours continuously, rechargeable battery pack 1 is detachable, when flaw detection workload is big, prepare polylith rechargeable battery pack 1 scene to change, rechargeable battery pack is installed on the side that yoke crack detector is relative with control module, realizes integrated with Π type electromagnetic yoke probe, control module, and volume is little, it is easy to carry, easy to operate；Rechargeable battery pack can also be unloaded from yoke crack detector, back on the body, connect D/C power jack with connecting line, alleviate probe weight, alleviate hand weight, make operation lighter；In addition, in ~ convenient the occasion of 220V single-phase alternating current, DC source socket can also be connected by AC adapter by ~ 220V single-phase alternating current, yoke crack detector is lightweight, and do not held quantitative limitation by rechargeable battery pack, can be operated for a long time, AC/DC, add the adaptability of yoke crack detector, use safety.
Rechargeable battery pack 1 side is provided with charging jacks 7, and battery bag can remove and carry out off-line charging with special charger, it is also possible to do not pull down from crossed yoke crack detector, and direct-on-line charges.
Described rechargeable battery pack 1 can be lithium battery or other novel rechargeable battery, as long as volume is little, lightweight, can realize discharge and recharge.
Control module 3 includes inverter chopper, DC inverter rechargeable battery pack 1 exported is pulse signal, its output voltage is 18 ~ 26V, the signal that magnetizes is provided for described solenoid A8 and solenoid B9, the signal phase difference 90 degree that magnetizes of solenoid A8 and solenoid B9, makes to produce rotating excitation field during two groups of solenoid work.
Integral type AC/DC crossed yoke crack detector also includes LED white light L1 and LED black light lamp L2, LED white light L1 and LED black light lamp L2 is arranged on the central lower of crossed yoke probe 2, illuminate detection region, the most do not affect operation, control module 3 also includes voltage-releasing voltage stabilizer, rechargeable battery pack 1, by the unidirectional current of the voltage-releasing voltage stabilizer output 5V of control module 3, provides mains lighting supply to LED white light L1, LED black light lamp L2.
LED white light L1 and LED black light lamp L2 is equipped with condenser lens, to increase the intensity of light, and reduces the power of LED；LED black light lamp L2 is also equipped with quartz glass filter, to increase the purity of ultraviolet light；Two lamp exit windows, equipped with sealing lens, prevent corroded by liquid LED lamp and internal circuit, and when this mounting means also can avoid carrying out fluorescent magnetic particle flaw detection, ultraviolet is irradiated to human body.
As shown in Figure 5, integral type AC/DC crossed yoke crack detector also includes guidance panel 6, guidance panel 6 is arranged on crossed yoke crack detector and is provided with a upper lateral part of control module, convenient to operate and observe, as shown in Figure 6, described guidance panel 6 includes electricity display button 10, electricity display lamp 11 and black/white light switching circulation button 12.
Guidance panel 6 is the little circuit board of a band button, and button can be all kinds of touch key-press, mechanical key or other type of button, as long as can realize controlling function；Also it is not excluded for increasing other operation button or instruction.Certainly, need to do encapsulation process, prevent liquid from penetrating into.
Battery capacity indication button 10 uses when rechargeable battery pack 1 dump energy checked by needs, presses battery capacity indication button 10, and battery capacity indication lamp 11 works, and shows dump energy.
Battery capacity indication lamp 11 is a greenish-yellow bi-colour light, the dump energy of instruction rechargeable battery pack 1.When green light, represent electricity > 95%, when greenish-yellow lamp the brightest (orange), represent electricity 50%, when amber light is bright, represents electricity 25%, represent 5% when amber light flashes, when battery capacity indication extinguishes, represent that electricity is 0%, need charging.
Battery capacity indication lamp 11 can also be row's LED light, and 3 or 4 or 5, as a example by 5, during 5 lamp all light, represent electricity > 95%, when 4 lamps are bright, be electricity be about 80%, when 3 lamps are bright, be that electricity is about 60%, when 2 lamps are bright, expression electricity is about 40%, and when 1 lamp is bright, then electricity is about 20%, prompting needs charging, lights indicating lamps seemingly with electric motor car.
Black/white light switching circulation button 12 is used for controlling described LED white light L1 and LED black light lamp L2, and circle logic relation is that LED white light L1 is bright, LED black light lamp L2 is bright, all extinguishes.
The integral type AC/DC crossed yoke crack detector that this utility model provides is provided with DC source socket, available rechargeable battery pack is powered, rechargeable battery pack can be installed on yoke crack detector, realize integrated with Π type electromagnetic yoke probe, control module, volume is little, it is easy to carry, easy to operate；Rechargeable battery pack can also be unloaded, connect D/C power jack with connecting line, alleviate probe weight, operate lighter；In ~ convenient the occasion of 220V single-phase alternating current, DC source socket can also be connected by AC adapter by ~ 220V single-phase alternating current, yoke crack detector is lightweight, and do not held quantitative limitation by rechargeable battery pack, can be operated for a long time, AC/DC, adds the adaptability of yoke crack detector, uses safety.
Claims (4)
1. integral type AC/DC crossed yoke crack detector, it is characterized in that: it includes power supply, crossed yoke probe and for the unidirectional current in rechargeable battery pack is converted to the control module of pulse signal, crossed yoke probe is made up of iron core and two groups of solenoids being wrapped in core ends, described iron core is double Π shape iron cores, arranged crosswise becomes square or rectangular, control module is placed in the side of crossed yoke crack detector, described crossed yoke probe top arranges handle, handle is provided with and controls the pre exciting switch that magnetic spy instrument opens and closes；Described power supply is rechargeable battery pack or ~ 220V single-phase alternating current, crossed yoke crack detector is provided with DC source socket, rechargeable battery pack is placed in the opposite side of Π type electromagnetic yoke probe, it is connected with DC source socket, or ~ 220V single-phase alternating current connects DC source socket by AC adapter, is solenoid by control module.
Integral type AC/DC crossed yoke crack detector the most according to claim 1, it is characterised in that: the central lower of described crossed yoke probe arranges LED white light and LED black light lamp, and power supply powers to two kinds of lamps by control module.
Integral type AC/DC crossed yoke crack detector the most according to claim 1, it is characterised in that: described control module includes voltage-releasing voltage stabilizer, and power supply is LED white light by voltage-releasing voltage stabilizer and LED black light lamp is powered.
Integral type AC/DC crossed yoke crack detector the most according to claim 1, it is characterized in that: crossed yoke crack detector is provided with a upper lateral part of control module and arranges guidance panel, described guidance panel is provided with electricity display button, electricity display lamp and black/white light switching circulation button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172746.5U CN205484195U (en) | 2016-03-08 | 2016-03-08 | Integral type AC/DC is yoke appearance of detecting a flaw alternately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172746.5U CN205484195U (en) | 2016-03-08 | 2016-03-08 | Integral type AC/DC is yoke appearance of detecting a flaw alternately |
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| CN205484195U true CN205484195U (en) | 2016-08-17 |
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| CN201620172746.5U Expired - Fee Related CN205484195U (en) | 2016-03-08 | 2016-03-08 | Integral type AC/DC is yoke appearance of detecting a flaw alternately |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645388A (en) * | 2016-09-20 | 2017-05-10 | 黄新超 | High-frequency pulse magnetic powder flaw detection method |
| CN107378200A (en) * | 2017-05-26 | 2017-11-24 | 广东工业大学 | Microgap welding seam tracking method and device under rotating excitation field excitation |
| JP2019211292A (en) * | 2018-06-01 | 2019-12-12 | 富士電機株式会社 | Device for evaluating surface stress and/or hardness of magnetic substance |
| WO2020047849A1 (en) * | 2018-09-07 | 2020-03-12 | 中国电建集团山东电力建设第一工程有限公司 | Cross electromagnetic yoke for detecting t-shaped welding joint |
| CN114034415A (en) * | 2021-10-26 | 2022-02-11 | 成都飞机工业（集团）有限责任公司 | Stress detection method |
-
2016
- 2016-03-08 CN CN201620172746.5U patent/CN205484195U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645388A (en) * | 2016-09-20 | 2017-05-10 | 黄新超 | High-frequency pulse magnetic powder flaw detection method |
| CN106645388B (en) * | 2016-09-20 | 2020-08-21 | 郑州麦克斯检测科技有限公司 | High-frequency pulse magnetic powder flaw detection method |
| CN107378200A (en) * | 2017-05-26 | 2017-11-24 | 广东工业大学 | Microgap welding seam tracking method and device under rotating excitation field excitation |
| JP2019211292A (en) * | 2018-06-01 | 2019-12-12 | 富士電機株式会社 | Device for evaluating surface stress and/or hardness of magnetic substance |
| WO2020047849A1 (en) * | 2018-09-07 | 2020-03-12 | 中国电建集团山东电力建设第一工程有限公司 | Cross electromagnetic yoke for detecting t-shaped welding joint |
| CN114034415A (en) * | 2021-10-26 | 2022-02-11 | 成都飞机工业（集团）有限责任公司 | Stress detection method |
| CN114034415B (en) * | 2021-10-26 | 2022-09-20 | 成都飞机工业（集团）有限责任公司 | Stress detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Xinchao Inventor after: Lou Xuyao Inventor after: Li Zhanbin Inventor before: Huang Xinchao Inventor before: Lou Xuyao |
|
| COR | Change of bibliographic data | ||
| 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: 20160817 Termination date: 20180308 |