CN204666508U - A kind of transmittance mist degree analyzer - Google Patents
A kind of transmittance mist degree analyzer Download PDFInfo
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- CN204666508U CN204666508U CN201520288402.6U CN201520288402U CN204666508U CN 204666508 U CN204666508 U CN 204666508U CN 201520288402 U CN201520288402 U CN 201520288402U CN 204666508 U CN204666508 U CN 204666508U
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- light source
- mist degree
- transmittance
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- integrating sphere
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Abstract
The utility model relates to a kind of transmittance mist degree analyzer, comprises light source and is successively set on condenser, Guang Lan, object lens and the integrating sphere on described light source luminescent direction; Wherein said condenser comprises the convex lens of convergence of rays of two panels for being sent by described light source, and described smooth hurdle comprises the light barrier of two pieces of adjustable intervals, and described integrating sphere is provided with incidence window, exit window, photoelectric cell and moveable reflectance standard device; Described photoelectric cell is amplified by detection and A/D modular converter is electrically connected with processing module, and described processing module is electrically connected with mist degree display unit, transmittance display unit and print-out unit respectively.The transmittance mist degree analyzer that the utility model provides has the parallel illumination of employing, hemisphere scattering, and integrating sphere opto-electronic receiver mode meets the geometric condition of regulation in GB2410-80 and ASTM D1003-61 (1997); Adopt numerical control automatic regulator, accurately can control light, improve accuracy of detection; The simple feature of convenient test.
Description
Technical field
The utility model relates to a kind of transmittance mist degree analyzer.
Background technology
As shown in Figure 1, when light is mapped on a transparent or semitransparent object, part produces orienting reflex, part produces diffuse reflection, enters sample rear section and is absorbed, and part is through, in the light of outgoing sample, main transmissive portion is advanced by refraction law, and part produces hemisphere transmission, and its working direction is at random.
According to GB2410-80 and ASTM D1003-61 (1997), transmittance refers to the hemisphere transmittance by sample, and namely with the transmittance that hemisphere transmission is examined, its incident light is perpendicular to sample surfaces.The mist degree that same GB2410-80 and ASTM D1003-61 (1997) defines refers to the hemisphere printing opacity mist degree of sample.
Desirable incident light should be the incident light of single direction, but be in fact difficult to accomplish, because of upper, above-mentioned standard is to the directivity of incident light, all made strict regulation by the fleet angle of the transmitted light received as scattered light, and these regulations are commonly referred to " geometric condition ".
Due to the difference of the absorption Spectrum characteristic of sample own, sample inscattering particulate is to the difference of different spectral dispersion ability, and therefore instrument there are certain requirements light source.Standard method is decided to be C (or A) light source, have also been made regulation to the spectral response of optical receiver, and adopted photovalve must correct with optical filter, makes it meet naked eyes visual sensitivity, these conditions, is commonly referred to " the spectral conditions of instrument.”
Utility model content
Primary and foremost purpose of the present utility model is to provide one and meets geometric condition and spectral conditions, the transmittance mist degree analyzer that estimating precision is high, and concrete scheme of the present utility model is as follows for achieving the above object:
A kind of transmittance mist degree analyzer, comprises light source and is successively set on condenser, Guang Lan, object lens and the integrating sphere on described light source luminescent direction; Wherein said condenser comprises the convex lens of convergence of rays of two panels for being sent by described light source, and described smooth hurdle comprises the light barrier of two pieces of adjustable intervals, and described integrating sphere is provided with incidence window, exit window, photoelectric cell and moveable reflectance standard device;
Described photoelectric cell is amplified by detection and A/D modular converter is electrically connected with processing module, and described processing module is electrically connected with mist degree display unit, transmittance display unit and print-out unit respectively.
Preferably, two pieces of described light barriers are connected with shading regulator respectively, and described shading regulator comprises servomotor, is adjusted the spacing of two pieces of described light barriers by described servomotor.
Preferably, described light source is halogen tungsten lamp.
Preferably, described light source is electrically connected on the output terminal of light source Voltage stabilizing module.
Preferably, described reflectance standard device is connected with switching motor and realizes mobile, and described switching motor is electrically connected with control module and controls by described control module.
The transmittance mist degree analyzer that the utility model provides has following characteristics:
1, adopt parallel illumination, hemisphere scattering, integrating sphere opto-electronic receiver mode, meet the geometric condition of regulation in GB2410-80 and ASTM D1003-61 (1997);
2, adopt numerical control automatic regulator, accurately can control light, improve accuracy of detection;
3, convenient test is simple.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form improper restriction of the present utility model, in the accompanying drawings:
Fig. 1 is integrating sphere fundamental diagram;
Fig. 2 is the utility model example structure schematic diagram;
Fig. 3 is the utility model embodiment schematic diagram figure.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to restriction of the present utility model.
As shown in Figure 2,3, a kind of transmittance mist degree analyzer, comprises light source 1 and is successively set on condenser 2, light hurdle 3, object lens 5 and the integrating sphere 7 on described light source 1 light emission direction; Wherein said condenser 2 comprises the convex lens of convergence of rays of two panels for being sent by described light source 1, described smooth hurdle 3 comprises the light barrier of two pieces of adjustable intervals, described integrating sphere 7 is provided with incidence window 11, exit window 10, photoelectric cell 8 and moveable reflectance standard device 9, and sample 6 is between described object lens 5 and described integrating sphere 7; Described photoelectric cell 8 is amplified by detection and A/D modular converter 12 is electrically connected with processing module 13, and described processing module 13 is electrically connected with mist degree display unit 14, transmittance display unit 15 and print-out unit 16 respectively.
By above-described embodiment scheme, the light sent by light source 1 is assembled through condenser 2, be mapped on object lens 5 by light hurdle 3, object lens 5 penetrate a branch of parallel beam, its light fleet angle is not more than 3 °, and light hurdle 3 is imaged on exit window, the subtended angle of exit window to incidence window 11 center is 8 °, hot spot edge and exit window 10 form the endless belt of 1.3 °, integrating sphere 7 is built with a swingable standard reflectors, when measuring transmittance and total transmitted light, standard reflectors is controlled in place, blocks exit window 10; When surveying scattered light, get out of the way from exit window 10.
As the improvement of above-described embodiment scheme, two pieces of described light barriers are connected with shading regulator 4 respectively, described shading regulator 4 comprises servomotor, the spacing of two pieces of described light barriers is adjusted by described servomotor, light source 1 DC light source 1 is made to be converted to the AC-operated light sources 1 of fixed frequency, to receive AC signal by photoelectric cell 8 by the servomotor of fixed rotating speed and light barrier.
As the preferred version of above-described embodiment scheme, described light source 1 is halogen tungsten lamp.
As the improvement of above-described embodiment scheme, described light source 1 is electrically connected on the output terminal of light source 1 Voltage stabilizing module, makes light source 1 more stable by light source 1 Voltage stabilizing module stable output voltage.
As the improvement of above-described embodiment scheme, described reflectance standard device 9 be connected with switching motor 17 realize mobile, described switching motor 17 is electrically connected with control module 18 and is subject to the control of described control module 18, and described control module 18 also can be electrically connected with processing module 13, according to the result Automated condtrol switching motor 17 of processing module 13.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, embodiment and range of application all will change, and in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a transmittance mist degree analyzer, is characterized in that:
Comprise light source and be successively set on condenser, Guang Lan, object lens and the integrating sphere on described light source luminescent direction; Wherein said condenser comprises the convex lens of convergence of rays of two panels for being sent by described light source, and described smooth hurdle comprises the light barrier of two pieces of adjustable intervals, and described integrating sphere is provided with incidence window, exit window, photoelectric cell and moveable reflectance standard device;
Described photoelectric cell is amplified by detection and A/D modular converter is electrically connected with processing module, and described processing module is electrically connected with mist degree display unit, transmittance display unit and print-out unit respectively.
2. transmittance mist degree analyzer as claimed in claim 1, is characterized in that:
Two pieces of described light barriers are connected with shading regulator respectively, and described shading regulator comprises servomotor, is adjusted the spacing of two pieces of described light barriers by described servomotor.
3. transmittance mist degree analyzer as claimed in claim 1, is characterized in that:
Described light source is halogen tungsten lamp.
4. transmittance mist degree analyzer as claimed in claim 1, is characterized in that:
Described light source is electrically connected on the output terminal of light source Voltage stabilizing module.
5. transmittance mist degree analyzer as claimed in claim 1, is characterized in that:
Described reflectance standard device is connected with switching motor and realizes mobile, and described switching motor is electrically connected with control module and controls by described control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288402.6U CN204666508U (en) | 2015-05-06 | 2015-05-06 | A kind of transmittance mist degree analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520288402.6U CN204666508U (en) | 2015-05-06 | 2015-05-06 | A kind of transmittance mist degree analyzer |
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| Publication Number | Publication Date |
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| CN204666508U true CN204666508U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520288402.6U Active CN204666508U (en) | 2015-05-06 | 2015-05-06 | A kind of transmittance mist degree analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388994A (en) * | 2017-06-14 | 2017-11-24 | 武汉华星光电技术有限公司 | A kind of method and device for measuring polysilicon roughness |
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2015
- 2015-05-06 CN CN201520288402.6U patent/CN204666508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388994A (en) * | 2017-06-14 | 2017-11-24 | 武汉华星光电技术有限公司 | A kind of method and device for measuring polysilicon roughness |
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