CN204346920U - Magnetic fluorescence coefficient tester - Google Patents
Magnetic fluorescence coefficient tester Download PDFInfo
- Publication number
- CN204346920U CN204346920U CN201520007863.1U CN201520007863U CN204346920U CN 204346920 U CN204346920 U CN 204346920U CN 201520007863 U CN201520007863 U CN 201520007863U CN 204346920 U CN204346920 U CN 204346920U
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- CN
- China
- Prior art keywords
- magnetic
- radiation energy
- fluorescent brightness
- fluorescence
- coefficient tester
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of fluorescence coefficient tester accurately can testing magnetic.Magnetic fluorescence coefficient tester, is made up of uv radiation source, fluorescent brightness test macro, UV radiation energy testing system, magnetic sample box, sample plummer arrangement for adjusting height, test board and sample plummer.Wherein, described UV radiation energy testing system comprises ultraviolet radiation energy and measures probe header, and the UV radiation light signal that described ultraviolet radiation energy measurement probe header receives obtains UV radiation energy value after the process of UV radiation energy testing system; Described fluorescent brightness test macro comprises fluorescent brightness test probe, and the fluorescence that the magnetic surface that described fluorescent brightness test probe receives sends obtains fluorescent brightness value after fluorescent brightness test macro.The utility model accurately can test fluorescence coefficient and the fluorescence factor stability of magnetic, meets the relevant world, national standard to the technical requirement of Non-Destructive Testing magnetic.
Description
Technical field
The utility model relates to a kind of measuring technology, particularly relates to a kind ofly accurately to test the fluorescence coefficient of magnetic and the fluorescence coefficient tester of fluorescence factor stability.
Background technology
Fluorescence refers to a kind of chemiluminescence phenomenon of photoluminescence.When the incident light (normally ultraviolet or X ray) of certain material through certain wavelength irradiates, excited state is entered after absorbing luminous energy, send the emergent light (usual wavelength at visible light wave range) longer than the wavelength of incident light, and once stop incident light, luminescence phenomenon also disappears immediately thereupon.The emergent light with this character is just referred to as fluorescence.Magnetic for detecting a flaw is exactly such material, produces visible fluorescence when ultraviolet irradiation.
The method of traditional measurement magnetic measures the fluorescent brightness value of magnetic, a kind of method particular by standard fluorescence luminance standard plate judges the quality of magnetic fluorescence quality, and the means whether fluorescent brightness on-gauge plate does not accurately monitor, so this method of testing very not science.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of fluorescence coefficient tester accurately can testing the fluorescence coefficient of magnetic.
The technical scheme that the utility model technical solution problem adopts is: magnetic fluorescence coefficient tester, be made up of uv radiation source, fluorescent brightness test macro, UV radiation energy testing system, magnetic sample box, sample plummer arrangement for adjusting height, test board and sample plummer, wherein, described UV radiation energy testing system comprises ultraviolet radiation energy and measures probe header, and the UV radiation light signal that described ultraviolet radiation energy measurement probe header receives obtains UV radiation energy value after the process of UV radiation energy testing system; Described fluorescent brightness test macro comprises fluorescent brightness test probe, and the fluorescence that the magnetic surface that described fluorescent brightness test probe receives sends obtains fluorescent brightness value after fluorescent brightness test macro.
Further, the UV radiation energy that described ultraviolet radiation energy measurement probe header is tested is exactly the UV radiation energy that the magnetic surface in magnetic sample box receives.
Further, described sample plummer regulates height by sample plummer arrangement for adjusting height.
Further, described sample plummer arrangement for adjusting height is screw mandrel.
Further, described sample plummer is arranged on test board, and ultraviolet radiation energy is measured probe header with described sample plummer and magnetic sample box is placed in immediately below the test window of instrument respectively.
Further, also comprise ultraviolet irradiation light source, described ultraviolet irradiation light source is used for the test of the fluorescence factor stability of magnetic.
Further, described ultraviolet irradiation light source adopts double-layer sleeve structure, inner core and urceolus are threaded connection, adjustment barrel is provided with below described urceolus, described adjustment barrel and urceolus are threaded connection, the light intensity of described adjustment barrel adjustable ultraviolet irradiation light source window place ultraviolet radiant light, is provided with uviol lamp in described inner core.
Further, described inner core and urceolus are provided with some through holes, and the through hole on described inner core and urceolus all shifts to install.
Further, the ultraviolet radiation energy that described UV radiation energy testing system is matched by spectral characteristic and UV radiation spectrum measures probe header, I/V changes, scaling circuit, A/D circuit, D/A circuit and read out instrument form, and the light signal that described ultraviolet radiation energy measurement probe header is tested adopts read out instrument to show after digital circuit process.
Further, described fluorescent brightness test macro is made up of fluorescent brightness test probe, I/V conversion, scaling circuit, A/D circuit, D/A circuit and read out instrument, described fluorescent brightness test probe tests out magnetic and is produced the fluorescent value sent by burst of ultraviolel, after digital circuit process, adopt read out instrument to show.
The beneficial effects of the utility model are: the utility model accurately can test fluorescence coefficient and the fluorescence factor stability of magnetic, and the satisfied relevant world, national standard are accurately tested the fluorescence coefficient of magnetic and fluorescence factor stability the technical requirement of Non-Destructive Testing magnetic.
Accompanying drawing explanation
Fig. 1 is the structural representation of tester of the present utility model.
Fig. 2 is the cut-open view of ultraviolet irradiation light source of the present utility model.
Fig. 3 is the cut-open view of the adjustment barrel of ultraviolet irradiation light source of the present utility model.
Fig. 4 is the front view of the inner core of ultraviolet irradiation light source of the present utility model.
Fig. 5 is the structured flowchart of UV radiation energy testing system of the present utility model.
Fig. 6 is the structured flowchart of fluorescent brightness test macro of the present utility model.
Embodiment
As shown in Figure 1, magnetic fluorescence coefficient tester of the present utility model is by uv radiation source 1, fluorescent brightness test macro 3, UV radiation energy testing system 5, magnetic sample box 6, sample plummer arrangement for adjusting height 7, ultraviolet irradiation light source 8, test board 9 and sample plummer 10 are formed, wherein, UV radiation energy testing system 5 comprises ultraviolet radiation energy and measures probe header 4, it is consistent with magnetic sample box 6 external diameter that ultraviolet radiation energy measures probe header 4, can manually exchange the test window being placed in instrument, the UV radiation energy that ultraviolet radiation energy measurement probe header 4 is tested is exactly just the UV radiation energy that the magnetic surface in magnetic sample box 6 receives, the UV radiation light signal that ultraviolet radiation energy measurement probe header 4 receives is after UV radiation energy testing system 5 processes, on the panel of instrument, directly show the UV radiation energy value testing the magnetic sample box 6 surface location place arrived.Fluorescent brightness test macro 3 comprises fluorescent brightness test probe 2, and the fluorescence that the magnetic surface in the magnetic sample box 6 that fluorescent brightness test probe 2 receives sends directly shows the fluorescent brightness value of testing and arriving after fluorescent brightness test macro 3 on the panel of instrument.
Above-mentioned sample plummer 10 can regulate height by sample plummer arrangement for adjusting height 7, this sample plummer arrangement for adjusting height 7 can be screw mandrel, sample plummer 10 is arranged on test board 9, sample plummer 10 ultraviolet radiation energy can be measured probe header 4 and magnetic sample box 6 is placed in immediately below the test window of instrument respectively, Fig. 1 display be exactly sample plummer 10 magnetic sample box 6 is placed in instrument test window immediately below structural representation.
Above-mentioned ultraviolet irradiation light source 8 is for the test of the fluorescence factor stability of magnetic, ultraviolet irradiation light source 8 adopts unique double-layer sleeve structure, inner core 11 and urceolus 12 are threaded connection, adjustment barrel 13 is provided with below urceolus 12, adjustment barrel 13 and urceolus 12 are also threaded connection, adjustment barrel 13 can regulate the light intensity of ultraviolet irradiation light source 8 window place ultraviolet radiant light, is provided with uviol lamp 14 in inner core 11; Inner core 11 with urceolus 12 are provided with some through holes 15, and inner core 11 all shifts to install with the through hole 15 on urceolus 12, can to dispel the heat like this and without leaking ultraviolet radiation, as shown in figs 2-4.During work, distance between uviol lamp 14 and test object can be regulated by rotating adjustment barrel 13, thus reach the light intensity regulating ultraviolet irradiation light source 8 window place ultraviolet radiant light, the 20W/m needed for magnetic sample can be met
2the requirement of ultraviolet radiation intensity.
The ultraviolet radiation energy that above-mentioned UV radiation energy testing system 5 is matched by spectral characteristic and UV radiation spectrum measures probe header 4, I/V changes, scaling circuit, A/D circuit, D/A circuit and read out instrument form, as shown in Figure 5, ultraviolet radiation energy measures the light signal that probe header 4 tests and adopts read out instrument to show after digital circuit process, and system can the ultraviolet radiation value at the test window place of testing tool and the radiation value of ultraviolet irradiation light source 8 at any time.Fluorescent brightness test macro 3 is made up of the wide fluorescent brightness test probe 2 of high stability, low-dark current, dynamic linear response range, I/V conversion, scaling circuit, A/D circuit, D/A circuit and read out instrument, as shown in Figure 6, fluorescent brightness test probe 2 tests out magnetic and is produced the fluorescent value sent by burst of ultraviolel, also adopts read out instrument to show after digital circuit process.Fluorescent brightness test probe 2 is furnished with the V (λ) that sophisticated design manufactures and revises light filter, the distribution of its relative spectral response is consistent with the human eye photopic vision function that International Commission on Illumination (CIE) specifies, reach country-level photometric standard, accurately can test the fluorescent brightness value of magnetic.
UV radiation test specification of the present utility model is: 0.1W/m
2~ 200W/m
2; Fluorescent brightness test specification is: 0.1cd/m
2~ 1999cd/m
2; The UV radiation intensity of magnetic window is: 10W/m
2~ 15W/m
2; The radiation source intensity > 20W/m that when fluorescence factor stability is measured, ultraviolet irradiation light source 8 provides
2, can be just 20W/m by regulating
2.
The method of testing of the fluorescence coefficient of magnetic of the present utility model comprises the following steps:
1) each connecting line is connected, turn on the power switch, start preheating 10min ~ 15min, ultraviolet radiation energy is measured probe header 4 left-hand thread and (also can be placed on other positions on worktable 8, object is the zero adjustment affecting UV radiation energy value without any optical radiation), regulate " zeroing " knob below UV radiation energy value read out instrument, make UV radiation energy value be shown as 00.0, the zero adjustment of UV radiation energy value is complete;
2) ultraviolet radiation energy being measured probe header 4 is placed on sample plummer 10, the screw mandrel of rotary sample plummer 10, make ultraviolet radiation energy measure probe header 4 and rise to the test window position of instrument and close contact, the light signal that ultraviolet radiation energy measurement probe header 4 is tested adopts read out instrument to show after digital circuit process, read UV radiation energy value Ee now, unit W/m
2, the measured value of Ee should at 10W/m
2~ 15W/m
2in scope;
3) screw mandrel of rear reverse rotation sample plummer 10 is completed, take off ultraviolet radiation energy and measure probe header 4, then the zero adjustment of fluorescent brightness value is carried out, first the screw mandrel of rotary sample plummer 10, rise to measurement window position and close contact, regulate " zeroing " knob below fluorescent brightness value read out instrument, fluorescent brightness value is made to be shown as 00.0, zero adjustment is complete, if magnetic left over by sample plummer 10, must wiped clean, in order to avoid affect zero adjustment;
4) by loose for tested MPI fluorescent magnetic particles loading magnetic sample box 6, strike off with ruler, wipe the remaining magnetic of magnetic sample box 6 outside, then the magnetic sample box 6 filling magnetic is positioned on sample plummer 10, the screw mandrel of rotary sample plummer 10, magnetic sample box 6 is made to rise to measurement window position and close contact, as shown in Figure 1, uv radiation source 1 irradiates the magnetic in magnetic sample box 6, fluorescent brightness test probe 2 tests out magnetic and is produced the fluorescent value sent by ultraviolet excitation, after digital circuit process, adopt read out instrument to show, read fluorescent brightness value L1 now, unit cd/m
2.Repeat 2 times again, obtain brightness value L 2, L3 respectively, then get the mean value measured for three times, obtain L, obtain fluorescence factor beta 1, unit by following formula (1): cd/W.
β1＝L/Ee (1)
The method of testing of the fluorescence factor stability of magnetic of the present utility model comprises the following steps:
1) open irradiance and be greater than 20W/m
2ultraviolet irradiation light source 8, preheating 5 minutes, ultraviolet radiation energy being measured probe header 4 is placed on operator's console (i.e. test board 9), ultraviolet irradiation light source 8 being buckled in ultraviolet radiation energy measures in probe header 4, rotate the adjustment barrel 13 of ultraviolet irradiation light source 8, test the output radiation value of ultraviolet irradiation light source 8 through UV radiation energy testing system 5, make the UV radiation light intensity value of ultraviolet irradiation light source 8 be required 20W/m
2, then take out ultraviolet radiation energy and measure probe header 4;
2) the magnetic sample box 6 filling magnetic is placed in the irradiation mouth place of ultraviolet irradiation light source 8, irradiation 30min ± 10s, taking out magnetic sample box 6 is installed on sample plummer 10, by above-mentioned steps 4) again measure fluorescent brightness value, and calculate the fluorescence factor beta 2 of magnetic, fluorescence factor stability S by formula (2) calculating below, thus measures the fluorescence factor stability of magnetic.
Claims (10)
1. magnetic fluorescence coefficient tester, it is characterized in that: by uv radiation source (1), fluorescent brightness test macro (3), UV radiation energy testing system (5), magnetic sample box (6), sample plummer arrangement for adjusting height (7), test board (9) and sample plummer (10) are formed, wherein, described UV radiation energy testing system (5) comprises ultraviolet radiation energy and measures probe header (4), the UV radiation light signal that described ultraviolet radiation energy measurement probe header (4) receives obtains UV radiation energy value after UV radiation energy testing system (5) process, described fluorescent brightness test macro (3) comprises fluorescent brightness test probe (2), and the fluorescence that the magnetic surface that described fluorescent brightness test probe (2) receives sends obtains fluorescent brightness value after fluorescent brightness test macro (3).
2. magnetic fluorescence coefficient tester as claimed in claim 1, is characterized in that: the UV radiation energy that described ultraviolet radiation energy measurement probe header (4) is tested is exactly the UV radiation energy that the magnetic surface in magnetic sample box (6) receives.
3. magnetic fluorescence coefficient tester as claimed in claim 1, is characterized in that: described sample plummer (10) regulates height by sample plummer arrangement for adjusting height (7).
4. magnetic fluorescence coefficient tester as claimed in claim 3, is characterized in that: described sample plummer arrangement for adjusting height (7) is screw mandrel.
5. magnetic fluorescence coefficient tester as claimed in claim 1, it is characterized in that: described sample plummer (10) is arranged on test board (9), described sample plummer (10) ultraviolet radiation energy is measured probe header (4) and magnetic sample box (6) is placed in immediately below the test window of instrument respectively.
6. magnetic fluorescence coefficient tester as claimed in claim 1, it is characterized in that: also comprise ultraviolet irradiation light source (8), described ultraviolet irradiation light source (8) is for the test of the fluorescence factor stability of magnetic.
7. magnetic fluorescence coefficient tester as claimed in claim 6, it is characterized in that: described ultraviolet irradiation light source (8) adopts double-layer sleeve structure, inner core (11) and urceolus (12) are threaded connection, described urceolus (12) below is provided with adjustment barrel (13), described adjustment barrel (13) and urceolus (12) are threaded connection, the light intensity of described adjustment barrel (13) adjustable ultraviolet irradiation light source (8) window place ultraviolet radiant light, is provided with uviol lamp (14) in described inner core (11).
8. magnetic fluorescence coefficient tester as claimed in claim 7, it is characterized in that: on described inner core (11) with urceolus (12), be provided with some through holes (15), and described inner core (11) all shifts to install with the through hole (15) on urceolus (12).
9. magnetic fluorescence coefficient tester as claimed in claim 1, it is characterized in that: the ultraviolet radiation energy that described UV radiation energy testing system (5) is matched by spectral characteristic and UV radiation spectrum measures probe header (4), I/V changes, scaling circuit, A/D circuit, D/A circuit and read out instrument form, the light signal that described ultraviolet radiation energy measurement probe header (4) is tested adopts read out instrument to show after digital circuit process.
10. magnetic fluorescence coefficient tester as claimed in claim 1, it is characterized in that: described fluorescent brightness test macro (3) is made up of fluorescent brightness test probe (2), I/V conversion, scaling circuit, A/D circuit, D/A circuit and read out instrument, described fluorescent brightness test probe (2) tests out magnetic and is produced the fluorescent value sent by burst of ultraviolel, after digital circuit process, adopt read out instrument to show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007863.1U CN204346920U (en) | 2015-01-07 | 2015-01-07 | Magnetic fluorescence coefficient tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007863.1U CN204346920U (en) | 2015-01-07 | 2015-01-07 | Magnetic fluorescence coefficient tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346920U true CN204346920U (en) | 2015-05-20 |
Family
ID=53230181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520007863.1U Withdrawn - After Issue CN204346920U (en) | 2015-01-07 | 2015-01-07 | Magnetic fluorescence coefficient tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483301B (en) * | 2015-01-07 | 2017-01-25 | 曹远生 | Magnetic powder fluorescence index tester |
| CN111323398A (en) * | 2018-12-14 | 2020-06-23 | 中国科学院半导体研究所 | Fluorescent material heating test device |
-
2015
- 2015-01-07 CN CN201520007863.1U patent/CN204346920U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483301B (en) * | 2015-01-07 | 2017-01-25 | 曹远生 | Magnetic powder fluorescence index tester |
| CN111323398A (en) * | 2018-12-14 | 2020-06-23 | 中国科学院半导体研究所 | Fluorescent material heating test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20161109 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |