CN101915614B - Three-dimensional curve perfect diffusion solar simulator - Google Patents
Three-dimensional curve perfect diffusion solar simulator Download PDFInfo
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- CN101915614B CN101915614B CN2010102399107A CN201010239910A CN101915614B CN 101915614 B CN101915614 B CN 101915614B CN 2010102399107 A CN2010102399107 A CN 2010102399107A CN 201010239910 A CN201010239910 A CN 201010239910A CN 101915614 B CN101915614 B CN 101915614B
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Abstract
The invention provides a three-dimensional curve perfect diffusion solar simulator. A D50 linear tube is taken as a standard linear light source (1); a curve diffuse reflection device (3) and a curve specular reflection device (2) are arranged along an axis of the linear light source; a diffuse transmission curve element (4) is arranged on a light path; and the uniformity of light of a plane where an irradiated object is positioned meets the requirement through multiple times of internal reflection and transmission of the light so as to improve optical spectrum performance. The three-dimensional curve perfect diffusion solar simulator has the basic integrating sphere function, meets the requirement of large area diffuse reflection illumination, has low manufacturing difficulty, solves the problems of the uniformity of the light and spectrum fitting and matching, and meets the requirement of three-dimensional printing, grating manufacturers and holographic paper manufacturing enterprises on the special illumination condition.
Description
Technical field
The present invention relates to a kind of three-dimension curved surface diffuse reflection solar simulator, adopt mechanical system that linear light is converted into more satisfactory diffusing.
Background technology
At present; It is the important experiments and observation requirement in field such as colorimetric detection, photometric detection, solar cell detection, grating printing and stereosopic printing quality testing that stable diffused light source is provided; The performance of diffused light directly influences the detection accuracy of instrument; The reliability of test data, and the stability of quality assessment.
In the prior art, can provide and stablize the diffuse illumination condition equipment that mainly is divided three classes, a kind of is integrating sphere diffused light generator, also is the best a kind of device of present diffused light simulate effect; Second kind is flat diffused light simulator, and this kind equipment mainly is used in liquid crystal display at present, in the equipment such as LED; The third is mechanical type light path simulation diffused light generator; This type of device design utilizes the space big; And can reequip as requested, the convenient use, this kind equipment is mainly used in sun power, equipment and sample test, colour measurement and has in the industry of specific demand at present.
Integrating sphere is desirable diffused light generating means; Utilize integrating sphere can make up the diffuse reflection light source illuminate condition of simulate ideal; Its ultimate principle is to utilize the mixed light characteristic, and light is carried out multiple internal reflection, thereby makes the light that arrives the tested sample surface satisfy inhomogeneity requirement; Since the nineties in 19th century, integrating sphere was used for the light source luminosity measurement, integrating sphere just was widely used and every field such as radiancy, luminosity, colourity.But the integrating sphere dimension volume is less; Higher to manufacture craft and material requirements; In addition, because the unique spherical structure of integrating sphere, the visualization that is not suitable for the large format sample is compared; Thereby integrating sphere equipment not to be suitable for the illuminated object dimension volume bigger, and need the association area of human eye vision observation.
Flat diffuse reflection simulator light source power is less, and manufacturing process is complicated, and usable range is limited, is used in fields such as display, rear-projection TV more.
Mechanical type light path simulation diffused light generator is realized the diffused light simulate effect through Machine Design, and the size of this kind equipment is adjustable; Equipment component is changed convenient; Irradiated area is big, and the diffused light stable performance can be satisfied the requirement of specific area; At present this kind equipment has the field tests that is used for solar cell on a small quantity, but the equipment that is specifically designed to photometric measurement, colour measurement, the inspection of grating product colourity seldom.
Summary of the invention
The objective of the invention is to can provide the deficiency of stablizing diffused light source for large scale, large format object to prior art; Design provides a kind of three-dimension curved surface diffusion sunshine analog machine; The simulation diffused light that equipment is sent can reach spectrum and uniformity requirement, satisfies the needs of colourity photometric measurement, grating product colorimetric detection.
It is a kind of three-dimensional curve perfect diffusion solar simulator that patent of the present invention solves the technical scheme that its technical matters adopted; Comprise measuring platform, at least three normal linearity light sources, direct reflection curved surface elements, diffuse reflection curved surface elements and diffuse transmission curved surface elements of casing, casing below, linear light sorurce evenly sets up standard in casing; A direct reflection curved surface elements is set respectively between each normal linearity light source and measuring platform; The optical path direction of corresponding direct reflection curved surface elements is provided with a diffuse reflection curved surface elements, through the direct reflection curved surface elements light source is evenly reflexed on the diffuse reflection curved surface elements; A diffuse transmission curved surface elements is set on the light path of diffuse reflection curved surface elements.
And; The linear light sorurce that in casing, sets up standard adopts light source to regulate base and realizes; Each normal linearity light source adopts a light source to regulate base, and each light source is regulated base and formed light source bracket fixed standard linear light sorurce position by light source bracket, adjusting dragging track, tooth bar and adjusting gear; When rotating adjusting gear; Tooth bar promotes light source bracket and moves along regulating dragging track under the drive of adjusting gear, thereby the normal linearity light source is moved along regulating dragging track, to regulate the distance between light source and direct reflection curved surface elements and the diffuse reflection curved surface elements.
And the diffuse reflection curved surface elements is the face of cylinder, adopts the PVB based thermoplastic sheet material or the sheet metal that are coated with diffuse material.
And the diffuse transmission curved surface elements adopts high transmission rate diffuse transmission material, and material surface is with one deck IR-cut NIR color filter.
The beneficial effect of patent of the present invention is; Utilize optical principle; Through mechanical system the stable illuminate condition that diffuses is provided, simple in structure, can regulate this plant bulk according to actual needs; And the diffused light stable performance that produces can be satisfied the requirement of colorimetric detection, the detection of grating product quality.
Description of drawings
Fig. 1 is the perspective view of the embodiment of the invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is that the light source of the embodiment of the invention is regulated understructure figure.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention further is described in detail.
Technical scheme of the present invention is mainly started with from mechanical light path; Solve the inhomogeneity problem of light under light source and 0.5～1.5 meter situation of testee spacing; Advise during practical implementation that the linear fluorescent tube of the most approaching D65/D50 of employing and the photochromic temperature of solar noon sun and spectrum is as standard sources; Through direct reflection, diffuse reflection, diffuse transmission effect, the light source light spectrum of finally realizing ideal requires and stable diffuse light conditions.
Apparatus structure skeleton view and the sectional view of embodiment as illustrated in fig. 1 and 2: for reaching the effect of the even sun diffused light of simulation; Embodiment adopts the D65 standard sources as normal linearity light source (1); And regulate base through light source and be fixed on the casing (6), be provided with three normal linearity light sources altogether.During practical implementation more multiple light courcess can be set, light source position only need be set have the symmetrical structure that the angle is evenly distributed and get final product.Between each normal linearity light source (1) and measuring platform (5); A direct reflection curved surface elements (2) respectively is set as first reflection shield; Equally can be through being fixed on the casing (6) with the same structure of light source adjustment base, promptly embodiment is provided with three direct reflection curved surface elements (2) altogether.The optical path direction of corresponding direct reflection curved surface elements is provided with a diffuse reflection curved surface elements, a diffuse reflection curved surface elements (3) is set as second reflection shield.For improving the performance of diffused light, the transmission cover also is set on light path, promptly diffuse transmission curved surface elements (4) carries out the diffusion second time to light and transforms, and finally realizes stable performance, the diffused light that meets the demands.The light that normal linearity light source (1) sends is through first reflection shield, i.e. the reflection of direct reflection curved surface elements (2) and dispersing is then through second reflection shield; It is the reflection of diffuse reflection curved surface elements (3); Tentatively reach the effect that diffuses, when light process diffuse transmission curved surface elements (4), light realizes that once more diffusion is average; Finally make to arrive measuring platform (5), the light that promptly is positioned over the illuminated object surface on the measuring platform (5) reaches the performance requirement of diffused light.Light maybe be by multiple internal reflection and transmission between diffuse reflection curved surface elements (3) and diffuse transmission curved surface elements (4).
Shown in Figure 3ly be that light source regulates the understructure synoptic diagram.As shown in the figure, normal linearity light source (1) is fixed on light source and regulates on the base, and promptly each light source is regulated the fixing standard D65 linear light sorurce of base, and light source is regulated base and formed by regulating dragging track (8), light source bracket (9), tooth bar (10) and adjusting gear (11).When rotating adjusting gear (11); Because the gearing of adjusting gear (11); Tooth bar (10) promotes light source bracket (9) and moves along regulating dragging track (8) under the drive of adjusting gear (11), thereby normal linearity light source (1) is moved along regulating dragging track (8), with the distance between adjustment criteria linear light sorurce (1) and direct reflection curved surface elements (2) and the diffuse reflection curved surface elements (3); Radial direction along diffuse reflection curved surface elements (3) is regulated the effect that can regulate diffused light.Electric energy is provided for for ease normal linearity light source (1), embodiment also is provided with power supply base (7), and power supply base (7) is linked together with light source bracket (9) to get final product.During practical implementation, can be in casing (6) outer setting trim, adjusting gear (11) links to each other with trim, so that operator's adjusted device outside case easily rotates adjusting gear (11).
Accepted standard linear light sorurce (1) in apparatus of the present invention; Arrive according to the linear light sorurce between measuring platform (5) plane, object place and cover by direct reflection curved surface elements (2); Part source light reflexes to diffuse reflection curved surface elements (3) fully by direct reflection curved surface elements (2); A part of in addition linear light shines directly on the diffuse reflection curved surface elements (3), accomplishes light and disperses for the first time, and the tangent line of the two ends requirement of the bus of direct reflection curved surface and light source and transmission curved surface intersects here; Shine directly into the transmission curved surface with the linear light of avoiding light source, its purpose is to make the diffused light behind the diffuse reflection camber reflection more uniform and stable.
For the ease of practical implementation; The present invention also provides some to realize the suggestion of technical scheme: diffuse reflection curved surface elements (3) is the face of cylinder; The surface scribbles coarse diffuse-reflective material, and its purpose is the light diffusion words that incide the surface are realized the even distribution of light in three dimensions.The surface the diffuse reflection coating that is coated with should have uniform reflection characteristic to the light of 380nm-780nm wavelength.Can adopt the PVB based thermoplastic sheet material or the sheet metal that scribble diffuse-reflective material.
Direct reflection curved surface elements (2) should reflect at least 95% light.For example adopt Fluorilon-99W
TMHigh diffuse-reflective material, 300-2200nm reflectivity＞97%, 400-800nm reflectivity＞99%.This material is a kind of plastic material, machine-shaping abroad as requested.Also can adopt Avian-B, this is kind of a water base barium sulphate white reflecting coating, and this coating has high lambert's characteristic, and the reflectivity in the 350-850nm scope adopts bonding agent to be coated on the plastic basis material and can realize the direct reflection curved surface elements greater than 97%.
Diffuse transmission curved surface elements (4) adopts high transmission rate diffuse transmission material, and has one deck IR-cut NIR color filter at the diffuse transmission element surface, is used to filter ultraviolet spectrum and near infrared spectrum.Suggestion is adopted plastic basis material or is coated with the glass baseplate of diffuse transmission material, and thickness is between 0.5mm-3.5mm, and the surface adds one deck NIR IR-cut color filter at least.The transmittance of diffuse transmission curved surface elements (4) should be greater than or equal to 85%, preferably is greater than or equal to 92%.
The present invention has solved colourity test, the quality testing of grating product color to the light source performance demands from uniformity of light and two aspects of spectrum simulation; The simulated solar irradiation that this device is produced can satisfy the requirement of chromaticity control, between 0.8-1.5 rice, can reach the diffusion uniformity of light at light source and testee spacing.Successful Application of the present invention to the colourity quality testing of grating product with observe, and elimination optical grating diffraction that with this understanding can be successful and the influence of interference to color reproduce accurately and estimate product quality.
Claims (4)
1. three-dimensional curve perfect diffusion solar simulator; It is characterized in that: measuring platform, at least three normal linearity light sources, direct reflection curved surface elements, diffuse reflection curved surface elements and diffuse transmission curved surface elements of comprising casing, casing below; In casing; Along the curved surface direction of diffuse reflection curved surface, linear light sorurce evenly sets up standard; A direct reflection curved surface elements is set respectively between each normal linearity light source and measuring platform; The optical path direction of corresponding direct reflection curved surface elements is provided with a diffuse reflection curved surface elements; The diffuse reflection curved surface elements is cylindrical diffuse reflector, through the direct reflection curved surface elements light source is evenly reflexed on the diffuse reflection curved surface elements; A diffuse transmission curved surface elements is set on the light path of diffuse reflection curved surface elements, and is arranged on the direct reflection curved surface elements back side.
2. three-dimensional curve perfect diffusion solar simulator according to claim 1; It is characterized in that: the linear light sorurce that in casing, sets up standard adopts light source to regulate base and realizes; Each normal linearity light source adopts a light source to regulate base, and each light source is regulated base and formed light source bracket fixed standard linear light sorurce position by light source bracket, adjusting dragging track, tooth bar and adjusting gear; When rotating adjusting gear; Tooth bar promotes light source bracket and moves along regulating dragging track under the drive of adjusting gear, thereby the normal linearity light source is moved along regulating dragging track, to regulate the distance between light source and direct reflection curved surface elements and the diffuse reflection curved surface elements.
3. three-dimensional curve perfect diffusion solar simulator according to claim 1 and 2 is characterized in that: the diffuse reflection curved surface elements adopts PVB based thermoplastic sheet material or the sheet metal that is coated with diffuse material.
4. three-dimensional curve perfect diffusion solar simulator according to claim 1 and 2 is characterized in that: the diffuse transmission curved surface elements adopts high transmission rate diffuse transmission material, and material surface is with one deck IR-cut NIR color filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102399107A CN101915614B (en) | 2010-07-26 | 2010-07-26 | Three-dimensional curve perfect diffusion solar simulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102399107A CN101915614B (en) | 2010-07-26 | 2010-07-26 | Three-dimensional curve perfect diffusion solar simulator |
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| CN101915614A CN101915614A (en) | 2010-12-15 |
| CN101915614B true CN101915614B (en) | 2012-09-05 |
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| CN2010102399107A Expired - Fee Related CN101915614B (en) | 2010-07-26 | 2010-07-26 | Three-dimensional curve perfect diffusion solar simulator |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420789B (en) * | 2012-11-14 | 2020-07-07 | 科勒克斯有限责任公司 | Artificial lighting device for generating natural light |
| RU2673868C2 (en) * | 2014-05-13 | 2018-11-30 | Коэлюкс С.Р.Л. | Chromatic mirror, chromatic panel and application thereof |
| CN108918419B (en) * | 2018-08-20 | 2020-12-18 | 长春理工大学 | Low-irradiance fine adjustment device for solar simulator |
| CN113701883B (en) * | 2021-09-02 | 2023-09-22 | 北京环境特性研究所 | System and method for simulating and measuring spectral characteristics of variable-distance space target |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316613A (en) * | 2001-05-31 | 2001-10-10 | 上海交通大学 | Sunlight simulator with pulsive xenon lamp and three-freedom paraboloid for scattered reflection |
| CN101178514A (en) * | 2007-11-23 | 2008-05-14 | 刘俊波 | Wide light evening light source module |
-
2010
- 2010-07-26 CN CN2010102399107A patent/CN101915614B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316613A (en) * | 2001-05-31 | 2001-10-10 | 上海交通大学 | Sunlight simulator with pulsive xenon lamp and three-freedom paraboloid for scattered reflection |
| CN101178514A (en) * | 2007-11-23 | 2008-05-14 | 刘俊波 | Wide light evening light source module |
Non-Patent Citations (1)
| Title |
|---|
| 高雁等.太阳模拟技术.《中国光学与应用光学》.2010,第3卷(第2期),104-111. * |
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