CN202092992U - Magnetic powder or magnetic suspension display capability tester - Google Patents
Magnetic powder or magnetic suspension display capability tester Download PDFInfo
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- CN202092992U CN202092992U CN2011201551215U CN201120155121U CN202092992U CN 202092992 U CN202092992 U CN 202092992U CN 2011201551215 U CN2011201551215 U CN 2011201551215U CN 201120155121 U CN201120155121 U CN 201120155121U CN 202092992 U CN202092992 U CN 202092992U
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- flaw detection
- tester
- detection ink
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Abstract
The utility model provides a magnetic powder or magnetic suspension display capability tester, which comprises a display device, a magnetizing power supply, a demagnetizing device, a control device and an indicating device, wherein the display device comprises a display test block, a central conductor and a connecting electrode, the central conductor is used for providing a magnetic field for the display test block, the connecting electrode is used for electrifying the central conductor, and an artificial defect is arranged on the display test block; the magnetizing power supply is connected to the connecting electrode to supply the adjustable magnetizing current to the connecting electrode; the demagnetizing device comprises a demagnetizer connected to the connecting electrode and used for demagnetizing the display test block; the control device is electrically connected with the magnetizing power supply and the demagnetizing device and comprises a magnetizing switch for switching the magnetizing power supply, a demagnetizing switch for switching the demagnetizing device and a current regulating mechanism for regulating the magnetizing current of the magnetizing power supply; and the indicating device comprises a current meter for indicating the magnetizing current value of the magnetizing power supply. The magnetic powder or magnetic suspension display capability tester has the following main beneficial effects: the standard display test block and the adjustable magnetizing current are provided, so that a convenient, accurate test platform is provided for referring to and comparing the display capability of magnetic powder or magnetic suspension.
Description
Technical field
The utility model relates to the Non-Destructive Testing field, relates in particular to a kind of magnetic powder inspection and detects the magnetic of usefulness or the display capabilities tester of magnetic flaw detection ink.
Background technology
Non-Destructive Testing (Non-destructive Testing; NDT); claim nondestructive examination again; be meant under the condition of not damaging detected object; utilize material internal textural anomaly or defective to have caused variation, survey inside and surface imperfection such as various construction materials, parts, structural member physical quantitys such as heat, sound, light, electricity, magnetic.Non-Destructive Testing is widely used in the detection of metal material, nonmetallic materials, compound substance and goods thereof and some electronic devices and components.
Magnetic powder inspection (magnetictesting) is the most frequently used a kind of in the Non-Destructive Testing, its defective that near accumulation in the stray field object defective comes inspected object surface or nearly surface by magnetic or magnetic flaw detection ink, and object to be detected must have ferromagnetism.Concrete, after the ferrimagnet workpiece is magnetized, can form stray field at fault location, apply magnetic or magnetic flaw detection ink at surface of the work, magnetic/magnetic flaw detection ink particle can be formed the magnetic trace by stray field absorption, thus information such as the position of display defect, size and Orientation.Magnetic/magnetic flaw detection ink flowing in the magnetic field of certain intensity, be adsorbed with ability of aggregation and influence the ability that it forms the magnetic trace, the just display capabilities of magnetic/magnetic flaw detection ink jointly.Whether qualified the display capabilities of magnetic/magnetic flaw detection ink be to weigh its important indicator.
The size that stationary magnetic particle detector can the size of current when regulating the magnetization workpiece be regulated controlling magnetic field is verified the display capabilities of magnetic flaw detection ink by the test piece/test block with artificial defect.But, general fixed defectoscope volume is huge, the magnetic powder inspection that is mainly used in fixed product detects, be not suitable for the test of the display capabilities of lab investigation magnetic flaw detection ink sample, stationary magnetic particle detector can not carry out the display capabilities test to the dry method magnetic simultaneously, and portable defectoscope can't provide the magnetic field of controllable size.
The utility model content
The purpose of this utility model is: the problem at above-mentioned prior art exists provides small and exquisite magnetic accurately of a kind of convenience or magnetic flaw detection ink display capabilities tester.
The purpose of this utility model is achieved through the following technical solutions:
A kind of magnetic or magnetic flaw detection ink display capabilities tester, it comprises: display device comprises showing test block, the connection electrode for showing that test block provides the center conductor in magnetic field and switches on for center conductor that described demonstration test block is provided with artificial defect; Excitation supply is connected to connection electrode, for connection electrode provides adjustable magnetization current; Demagnetizer comprises the demagnetizer that is connected to connection electrode, is used to show the test block demagnetization; Control device is electrically connected excitation supply and demagnetizer, comprises the magnetization switch of opening excitation supply, opens the demagnetization switch of demagnetizer, and the Current Regulation mechanism that regulates the magnetization current of excitation supply; Indicating device comprises the reometer of the magnetization current value of indicating excitation supply.
Preferably, described demonstration test block is a ring-type, and central authorities have through hole, and described center conductor passes described through hole, and longitudinal center's axis coincidence of the central axis of described demonstration test block and described center conductor, shows that test block is positioned at described center conductor central authorities longitudinally.
Preferably, the annular section of described demonstration test block also is provided with axially extending bore.
Preferably, described axially extending bore is at least two, and at least one in the described axially extending bore is unequal to the distance of the outer circumference surface that shows test block to distance and other axially extending bores of the outer circumference surface that shows test block.
Preferably, the annular end face of described demonstration test block is provided with a plurality of crackles, and the size and the depth of described a plurality of crackles are inequality.
Preferably, described center conductor is that red copper, demonstration test block are forged steel.
Preferably, the below of described demonstration test block is provided with accommodation apparatus.
Preferably, described excitation supply comprises controllable silicon, transformer and trigger circuit plate.
Preferably, also comprise lighting device, described lighting device comprises UV-lamp or white light.
Preferably, also comprise lighting device, described lighting device comprises UV-lamp and white light, and described UV-lamp and white light respectively have gauge tap.
The beneficial effects of the utility model are mainly reflected in: by demonstration test block and the adjustable magnetization current that standard is provided, for the display capabilities of magnetic or magnetic flaw detection ink provide convenience, accurately, can be with reference to test platform relatively; By in the demonstration test block, the kind artificial defect different with specification being set, the intuitive and accurate display capabilities that represents magnetic or magnetic flaw detection ink; By optional UV-lamp and white light are provided,, increased test result readability in all cases for fluorescent type or non-fluorescent type magnetic or magnetic flaw detection ink all provide lighting source; By accommodation apparatus is set, apply when collecting test easily drop and demagnetize after the magnetic or the magnetic flaw detection ink that drop, guarantee the clean and tidy of test board position.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structured flowchart of preferred embodiment of the present utility model.
Fig. 2 is the center conductor of preferred embodiment of the present utility model and shows the test block front view.
Fig. 3 is the center conductor of preferred embodiment of the present utility model and shows the test block left view.
Wherein.
| 1 |
2 |
3 axially extending |
| 4 crackles | ? | ? |
Embodiment
Below by preferred embodiment of the present utility model the utility model is elaborated:
As shown in Figure 1, magnetic of the present utility model or magnetic flaw detection ink display capabilities tester comprise control device, excitation supply, demagnetizer, indicating device, lighting device and display device, they provide electric power by external input power supply, and in the present embodiment, the input power supply is the power supply commonly used of 220V.
Control device is electrically connected excitation supply and demagnetizer, comprise the PLC controller, be used for realizing various control function by program, the Current Regulation mechanism of size that also comprises the demagnetization switch of the unlatching of magnetization switch, control demagnetizer of the unlatching of controlling excitation supply and shutoff and shutoff and regulate the magnetization current of excitation supply output, in the present embodiment, magnetization switch and demagnetization switch are push button, and Current Regulation mechanism is a knob.Control device also comprises fuse, is used for automatic shutdown circuit when electric current is excessive, prevents the instrument infringement or security incident takes place.
Excitation supply is electrically connected to display device and comprises trigger circuit plate, controllable silicon and transformer, and they are used to form a stepless current regulating circuit, is used for the alternating current that the input power supply provides is converted to the magnetization current of suitable size, outputs to display device.Excitation supply can provide the stepless adjustable current of 0～1000A for display device.
Indicating device comprises reometer, and reometer shows the size of magnetization current.
Demagnetizer comprises demagnetizer, is used to the demonstration test block demagnetization of display device.Demagnetizer is electrically connected to display device, and demagnetizer produces the magnetic line of force by solenoid, and the direct or indirect magnetic line of force that passes through disturbs the magnetic of magnetizing thing originally and reaches demagnetization, and its concrete structure is known by those skilled in the art, repeats no more.
As Fig. 2 and Fig. 3, display device comprises and shows test block 2, the center conductor 1 in magnetic field is provided and is the connection electrode of center conductor 1 energising for showing test block 2.Aforesaid excitation supply and demagnetizer all are connected to connection electrode.Show that test block 2 is provided with artificial defect.
Show that test block 2 is a ring-type, central authorities have through hole, and aforesaid center conductor 1 passes described through hole and is installed in the demonstration test block 2.Show that the central axis of test block 2 and longitudinal center's axis of center conductor 1 overlap, show that test block 2 is positioned at center conductor 1 central authorities longitudinally.Center conductor is that red copper, demonstration test block are forged steel, is preferably the 10# forged steel.
Show that the artificial defect in the test block 2 comprises the crackle 4 that is positioned at the axially extending bore 3 under the annular outer circumference surface and is positioned at the natural shape on the annular end face.
The number of axially extending bore 3 is at least two, and wherein at least one is unequal to the distance of the outer circumference surface that shows test block to distance and other axially extending bores 3 of the outer circumference surface that shows test block 2, preferably, the distance of each axially extending bore 3 to 4 outer circumference surfaces is increasing or decreasing successively, and increment is a steady state value.In the present embodiment, the quantity of axially extending bore 3 is 4, and specification is Ф 1mm, and their center is followed successively by 1 millimeter to the distance of outer circumference surface, 1.5 millimeters, and 2 millimeters, 2.5 millimeters.Axially extending bore 3 is used to test the ability of the defective under magnetic or the magnetic flaw detection ink display surface, and under identical magnetic field, the axially extending bore 3 that magnetic or magnetic flaw detection ink can show is dark more, represents that its display capabilities is good more.
The number of crackle 4 also is a plurality of, and the depth is not of uniform size.Crackle 4 is used to test the ability of magnetic or magnetic flaw detection ink display surface defective, and under identical magnetic field, the crackle 4 that magnetic or magnetic flaw detection ink can show is more little shallow more, represents that its display capabilities is good more.
Lighting device comprises UV-lamp and/or white light, lighting device is used to the ambient light illumination that the demonstration situation of magnetic or magnetic flaw detection ink provides to be needed, use the white light illumination for the magnetic of non-fluorescence or magnetic flaw detection ink, use the UV-lamp irradiation to make it send fluorescence for the magnetic or the magnetic flaw detection ink of fluorescence.Preferably, lighting device comprises UV-lamp and white light simultaneously, and UV-lamp and white light have gauge tap separately, yet, in UV-lamp or the white light one only is set, and magnetic or the magnetic flaw detection ink of testing fluorescence or non-fluorescence targetedly also are feasible.UV-lamp comprises quartz burner and ultraviolet lampshade.
The below that shows test block 2 also is provided with accommodation apparatus, be specially the drawer on the housing that is arranged on magnetic or magnetic flaw detection ink display capabilities tester, by accommodation apparatus is set, apply when collecting test easily drop and demagnetize after the magnetic or the magnetic flaw detection ink that drop, guarantee the clean and tidy of test board position.
When test, the external input power supply of magnetic or magnetic flaw detection ink display capabilities tester, the magnetization switch of closed control device, the rotatory current regulating device is to suitable value, magnetization circuit in the control device for opening, make and magnetize the excitation supply work that circuit is connected, two connection electrode to the display device two ends provide magnetization current, simultaneously read current value in the reometer from indicating device; Magnetization current flows through center conductor 1, generates magnetic field around center conductor 1, and at current value one regularly, magnetic field also is certain.The demonstration test block 2 that is sheathed on center conductor 1 is magnetized, thereby there are the position of longitudinal hole 3 and position that end face has crackle 4 to produce stray field at outer circumference surface, absorption magnetic or magnetic flaw detection ink, because magnetic field is certain, so by the demonstration situation of magnetic or magnetic flaw detection ink, can judge the display capabilities of magnetic or magnetic flaw detection ink, foregoing, the axially extending bore 3 that magnetic or magnetic flaw detection ink can show is dark more, represents that its display capabilities is good more; The crackle 4 that magnetic or magnetic flaw detection ink can show is more little shallow more, represents that its display capabilities is good more.
The utility model is not limited to aforementioned embodiments; those skilled in the art are under the enlightenment of the utility model technical spirit; also may make other changes, but, all should belong to protection domain of the present utility model as long as function and the utility model of its realization are same or similar.
Claims (10)
1. magnetic or magnetic flaw detection ink display capabilities tester comprise:
Display device comprises showing test block, the connection electrode for showing that test block provides the center conductor in magnetic field and switches on for center conductor that described demonstration test block is provided with artificial defect;
Excitation supply is connected to connection electrode, for connection electrode provides adjustable magnetization current;
Demagnetizer comprises being connected to demagnetizer connection electrode, that be used to demonstration test block demagnetization;
Control device is electrically connected on excitation supply and demagnetizer, comprises the magnetization switch of opening excitation supply, opens the demagnetization switch of demagnetizer, and the Current Regulation mechanism that regulates the magnetization current of excitation supply;
Indicating device comprises the reometer of the magnetization current value of indicating excitation supply.
2. magnetic according to claim 1 or magnetic flaw detection ink display capabilities tester, it is characterized in that, described demonstration test block is a ring-type, central authorities have through hole, described center conductor passes described through hole, and longitudinal center's axis of the central axis of described demonstration test block and described center conductor overlaps, and shows that test block is positioned at described center conductor central authorities longitudinally.
3. magnetic according to claim 2 or magnetic flaw detection ink display capabilities tester is characterized in that the annular section of described demonstration test block also is provided with axially extending bore.
4. magnetic according to claim 3 or magnetic flaw detection ink display capabilities tester, it is characterized in that, described axially extending bore is at least two, and at least one in the described axially extending bore is unequal to the distance of the outer circumference surface that shows test block to distance and other axially extending bores of the outer circumference surface that shows test block.
5. magnetic according to claim 2 or magnetic flaw detection ink display capabilities tester is characterized in that the annular end face of described demonstration test block is provided with a plurality of crackles, and the size and the depth of described a plurality of crackles are inequality.
6. magnetic according to claim 1 or magnetic flaw detection ink display capabilities tester is characterized in that, described center conductor is that red copper, demonstration test block are forged steel.
7. magnetic according to claim 1 or magnetic flaw detection ink display capabilities tester is characterized in that the below of described demonstration test block is provided with accommodation apparatus.
8. magnetic according to claim 1 or magnetic flaw detection ink display capabilities tester is characterized in that described excitation supply comprises controllable silicon, transformer and trigger circuit plate.
9. magnetic according to claim 1 or magnetic flaw detection ink display capabilities tester is characterized in that also comprise lighting device, described lighting device comprises UV-lamp or white light.
10. magnetic according to claim 1 or magnetic flaw detection ink display capabilities tester is characterized in that also comprise lighting device, described lighting device comprises UV-lamp and white light, and described UV-lamp and white light respectively have gauge tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201551215U CN202092992U (en) | 2011-05-16 | 2011-05-16 | Magnetic powder or magnetic suspension display capability tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201551215U CN202092992U (en) | 2011-05-16 | 2011-05-16 | Magnetic powder or magnetic suspension display capability tester |
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| Publication Number | Publication Date |
|---|---|
| CN202092992U true CN202092992U (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201551215U Expired - Fee Related CN202092992U (en) | 2011-05-16 | 2011-05-16 | Magnetic powder or magnetic suspension display capability tester |
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| CN (1) | CN202092992U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735749A (en) * | 2012-06-28 | 2012-10-17 | 吴江市宏达探伤器材有限公司 | Magnetic particle inspection test block and preparation method thereof |
| CN103091393A (en) * | 2012-10-31 | 2013-05-08 | 吴江市宏达探伤器材有限公司 | Three-hole alternating-current test ring |
| US20190317048A1 (en) * | 2018-04-17 | 2019-10-17 | Illinois Tool Works Inc. | Systems and methods to remotely manage non-destructive testing systems |
-
2011
- 2011-05-16 CN CN2011201551215U patent/CN202092992U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735749A (en) * | 2012-06-28 | 2012-10-17 | 吴江市宏达探伤器材有限公司 | Magnetic particle inspection test block and preparation method thereof |
| CN103091393A (en) * | 2012-10-31 | 2013-05-08 | 吴江市宏达探伤器材有限公司 | Three-hole alternating-current test ring |
| US20190317048A1 (en) * | 2018-04-17 | 2019-10-17 | Illinois Tool Works Inc. | Systems and methods to remotely manage non-destructive testing systems |
| CN112585462A (en) * | 2018-04-17 | 2021-03-30 | 伊利诺斯工具制品有限公司 | System and method for remotely managing a non-destructive testing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20170516 |
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| CF01 | Termination of patent right due to non-payment of annual fee |