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積分球工作原——廠家工程師結合圖解給大家解析

發布者:admin 發布日期:2019-01-23

  對於很多朋友積分球的原理還不是特別清楚。今天積分球廠家的李工程師就從原理方麵介紹一下積分球的原理和適用的範圍。積分球是一個內壁塗有白色漫反射材料的空腔球體,又稱光度球,光通球等。 球壁上開一個或幾個窗孔,用作進光孔和放置光接收器件的接收孔。

  The principle of integrating sphere for a lot of friends is not particularly clear small make up today is to introduce the principle of integrating sphere from the aspects of principle and applicable scope of integrating sphere is a wall painted with white diffuse material cavity of the ball, also known as luminosity, optic ball QiuBi on one or a few Windows open hole, used as a light into the receiving hole hole and put the light receiving device

  

  積分球又稱為光通球,廣泛應用於光度、色度及輻射度計量測試場合。 是一個中空的完整球殼。內壁塗白色漫反射層,且球內壁各點漫射均勻。光源S在球壁上任意一點B上產生的光照度是由多次反射光產生的光照度疊加而成的。由積分學原理可得,球麵上任意一點B的光照度E為:

  Integrating sphere diameter size: 1.0 m, 1.5 m, 1.75 m, 2.0 m, 2.5 m, 3.0 m scope of incandescent light bulbs, LED energy-saving lamps cold cathode fluorescent annular fluorescent lamp tungsten halogen lamp and straight shape straight shape fluorescent lamps HID lamp light source such as integrating sphere light electric test principle of integral ball is also called optic, widely used Yu Guangdu chromaticity and radiation measurement occasions is a complete hollow spherical shell wall painted white diffuse layer, and the ball inside each point diffuse homogeneous The illuminance generated by the light source S at any point B on the spherical wall is the result of the superposition of the illuminance generated by multiple reflections. According to the principle of integration, the illuminance E of any point B on the spherical surface is

  

  對於很多朋友積分球的原理還不是特別清楚。今天小編就從原理方麵介紹一下積分球的原理和適用的範圍。積分球是一個內壁塗有白色漫反射材料的空腔球體,又稱光度球,光通球等。 球壁上開一個或幾個窗孔,用作進光孔和放置光接收器件的接收孔。

  The principle of integrating sphere for a lot of friends is not particularly clear small make up today is to introduce the principle of integrating sphere from the aspects of principle and applicable scope of integrating sphere is a wall painted with white diffuse material cavity of the ball, also known as luminosity, optic ball QiuBi on one or a few Windows open hole, used as a light into the receiving hole hole and put the light receiving device

  積分球的內壁應是良好的球麵,通常要求它相對於理想球麵的偏差應不大於內徑的0.2%。球內壁上塗以理想的漫反射材料,也就是漫反射係數接近於1的材料。常用的材料是氧化鎂或硫酸鋇,將它和膠質粘合劑混合均勻後,噴塗在內壁上。氧化鎂塗層在可見光譜範圍內的光譜反射比都在99%以上,這樣,進入積分球的光經過內壁塗層多次反射,在內壁上形成均勻照度。為獲得較高的測量準確度,積分球的開孔比應盡可能小。開孔比定義為積分球開孔處的球麵積與整個球內壁麵積之比。

  Integrating sphere wall should be a good spherical, usually require it relative to the ideal of the spherical inner diameter deviation should be no greater than 0.2% of the ball on the inner wall coated with ideal diffuse material, which is diffuse reflectance close to 1 material commonly used is magnesium oxide or barium sulfate, it evenly mixed with gelatin binder, spraying, the walls of magnesia coating in the visible spectrum range of spectral reflectance were over 99%, in this way, the multiple reflection through inner wall coating of light entering the integrating sphere, the scattering form uniform illumination in order to obtain higher measurement accuracy, integral ball opening ratio should be as small as possible The hole ratio is defined as the ratio of the area of the ball at the hole opening to the area of the whole inner wall of the ball

  (https://baike.baidu.com/item/積分球/7696094s)

  積分球尺寸

  直徑:1.0m、1.5m、1.75m、2.0m、2.5m、3.0m

  適用範圍

  LED燈、節能燈、白熾燈、冷陰極燈、鹵鎢燈、直管形熒光燈、環形熒光燈、大功率直管形熒光燈、HID燈等光源光色電測試

  積分球原理

  積分球又稱為光通球,廣泛應用於光度、色度及輻射度計量測試場合。 是一個中空的完整球殼。內壁塗白色漫反射層,且球內壁各點漫射均勻。光源S在球壁上任意一點B上產生的光照度是由多次反射光產生的光照度疊加而成的。由積分學原理可得,球麵上任意一點B的光照度E為:

  Integrating sphere diameter size: 1.0 m, 1.5 m, 1.75 m, 2.0 m, 2.5 m, 3.0 m scope of incandescent light bulbs, LED energy-saving lamps cold cathode fluorescent annular fluorescent lamp tungsten halogen lamp and straight shape straight shape fluorescent lamps HID lamp light source such as integrating sphere light electric test principle of integral ball is also called optic, widely used Yu Guangdu chromaticity and radiation measurement occasions is a complete hollow spherical shell wall painted white diffuse layer, and the ball inside each point diffuse homogeneous The illuminance generated by the light source S at any point B on the spherical wall is the result of the superposition of the illuminance generated by multiple reflections. According to the principle of integration, the illuminance E of any point B on the spherical surface is

  

積分球原理1.png


  公式(1)中,E1為光源S直接照在B點上的光照度,E1的大小不僅與B點的位置有關,也與光源在球內的位置有關。如果在光源S和B點間放一擋屏,擋去直接射向B點的光,則E1=0,因而在B點的光照度為:

  In formula (1),E1 is the illumination of the light source S directly on point B. The magnitude of E1 is related to not only the position of point B, but also the position of the light source in the sphere.

  

積分球原理2.png


  公式(2)中,r為積分球半徑、ρ為積分球內壁反射率。r和ρ均為常數,因此在球壁上任意位置的光照度E(擋去直接光照後)與燈的光通量Φ成正比。通過測量球壁窗口上的光照度E,就可求出光源的光通量Φ。

  Formula (2), r the sphere for integral rho for integrating sphere wall reflectance r and rho are constant, therefore, any position in the QiuBi illuminance E (block to direct sunlight) is proportional to the lamp luminous flux Φ by measuring QiuBi window light E, can calculate the flux Φ light source

  

  積分球原理


  公式(1)中,E1為光源S直接照在B點上的光照度,E1的大小不僅與B點的位置有關,也與光源在球內的位置有關。如果在光源S和B點間放一擋屏,擋去直接射向B點的光,則E1=0,因而在B點的光照度為:

  In formula (1),E1 is the illumination of the light source S directly on point B. The magnitude of E1 is related to not only the position of point B, but also the position of the light source in the sphere.

  

  公式(2)中,r為積分球半徑、ρ為積分球內壁反射率。r和ρ均為常數,因此在球壁上任意位置的光照度E(擋去直接光照後)與燈的光通量Φ成正比。通過測量球壁窗口上的光照度E,就可求出光源的光通量Φ。

  Formula (2), r the sphere for integral rho for integrating sphere wall reflectance r and rho are constant, therefore, any position in the QiuBi illuminance E (block to direct sunlight) is proportional to the lamp luminous flux Φ by measuring QiuBi window light E, can calculate the flux Φ light source

  

積分球原理3.png


  積分球原理


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