CN107084933A - 一种多光源多吸收池气相分子吸收光谱仪 - Google Patents

一种多光源多吸收池气相分子吸收光谱仪 Download PDF

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Publication number
CN107084933A
CN107084933A CN201710440718.6A CN201710440718A CN107084933A CN 107084933 A CN107084933 A CN 107084933A CN 201710440718 A CN201710440718 A CN 201710440718A CN 107084933 A CN107084933 A CN 107084933A
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China
Prior art keywords
absorption
absorption cell
light
lens
gas phase
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CN201710440718.6A
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English (en)
Inventor
张波
曹伟民
李勇强
陈迪
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Shanghai Spectrum Technology Co Ltd
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Shanghai Spectrum Technology Co Ltd
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Priority to CN201710440718.6A priority Critical patent/CN107084933A/zh
Publication of CN107084933A publication Critical patent/CN107084933A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/42Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N2021/3129Determining multicomponents by multiwavelength light

Abstract

本发明公开了一种多光源多吸收池气相分子吸收光谱仪,具有光源,其特征在于,还包括透镜、吸收池和检测器,所述光源并排设置有多个,多个光源的光均射入到透镜上,吸收池并排设置有多个,从透镜射出的光射向每个吸收池,检测器分析每个吸收池的光谱线。本发明具有的有益效果:具有多种光源,可以射出多个波段的光谱线,同时具有多个吸收池,不同的吸收池可以吸收不同波段的光谱线,进而可以同时分析得出多个数据,大大提高了工作效率。

Description

一种多光源多吸收池气相分子吸收光谱仪
技术领域
本发明涉光学仪器领域,具体涉及一种多光源多吸收池气相分子吸收光谱仪。
背景技术
光谱仪又称分光光度计,是将成分复杂的光,分解为光谱线的科学仪器。当光强度为I0的光束通过浓度为C的媒质时,光强度减弱至I,它遵循郎伯-比尔吸收定律:
A=lg(I0/I)=KCL
A:吸光度
I0:入射特征谱线辐射光强度
I:出射特征谱线辐射光强度
K:吸收系数
L:特征辐射光经过火焰路程
C:浓度
发明内容
本发明的目的是为了弥补现有技术的不足,提供了一种多光源多吸收池气相分子吸收光谱仪。
为了达到本发明的目的,技术方案如下:
一种多光源多吸收池气相分子吸收光谱仪,具有光源,其特征在于,还包括透镜、吸收池和检测器,所述光源并排设置有多个,多个光源的光均射入到透镜上,吸收池并排设置有多个,从透镜射出的光射向每个吸收池,检测器分析每个吸收池的光谱线。
本发明具有的有益效果:
具有多种光源,可以射出多个波段的光谱线,同时具有多个吸收池,不同的吸收池可以吸收不同波段的光谱线,进而可以同时分析得出多个数据,大大提高了工作效率。
附图说明
图1是本实用多光源多吸收池气相分子吸收光谱仪的结构示意图。
具体实施方式
下面结合实施例对本发明作进一步描述,但本发明的保护范围不仅仅局限于实施例。
结合图1所示,具有光源4,其特征在于,还包括透镜2、吸收池3和检测器1,所述光源并排设置有多个,多个光源的光均射入到透镜上,吸收池并排设置有多个,从透镜射出的光射向每个吸收池,检测器分析每个吸收池的光谱线。
最后应说明的是:以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案,因此,尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明,但是,本领域的普通技术人员应当理解,仍然可以对本发明进行修改或等同替换,而一切不脱离本发明的精神和范围的技术方案及其改进,其均应涵盖在本发明的权利要求范围中。

Claims (1)

1.一种多光源多吸收池光谱仪,具有光源(4),其特征在于,还包括透镜(2)、吸收池(3)和检测器(1),所述光源并排设置有多个,多个光源的光均射入到透镜上,吸收池并排设置有多个,从透镜射出的光射向每个吸收池,检测器分析每个吸收池的光谱线。
CN201710440718.6A 2017-06-13 2017-06-13 一种多光源多吸收池气相分子吸收光谱仪 Pending CN107084933A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588853A (zh) * 2017-10-25 2018-01-16 中国科学院国家空间科学中心 一种吸收光谱仪
CN107643261A (zh) * 2017-09-25 2018-01-30 珠海广睿汇利发展有限公司 一种长光程怀特池doas法测量污染气体浓度的监测仪

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2472222Y (zh) * 2001-04-12 2002-01-16 杨奇 多道原子吸收光谱仪
CN201788143U (zh) * 2009-12-08 2011-04-06 上海申球科技有限公司 多通道原子吸收分光光度计
CN203324165U (zh) * 2013-07-31 2013-12-04 深圳市开天源自动化工程有限公司 多通道污染物快速荧光检测仪
CN104697948A (zh) * 2015-04-03 2015-06-10 李红团 一种煤灰成分测定原子吸收分光光度计
CN206002439U (zh) * 2016-08-17 2017-03-08 青岛佳明测控科技股份有限公司 采用气液分离膜的分子吸收光谱仪
CN206974895U (zh) * 2017-06-13 2018-02-06 上海森谱科技有限公司 一种多光源多吸收池气相分子吸收光谱仪

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2472222Y (zh) * 2001-04-12 2002-01-16 杨奇 多道原子吸收光谱仪
CN201788143U (zh) * 2009-12-08 2011-04-06 上海申球科技有限公司 多通道原子吸收分光光度计
CN203324165U (zh) * 2013-07-31 2013-12-04 深圳市开天源自动化工程有限公司 多通道污染物快速荧光检测仪
CN104697948A (zh) * 2015-04-03 2015-06-10 李红团 一种煤灰成分测定原子吸收分光光度计
CN206002439U (zh) * 2016-08-17 2017-03-08 青岛佳明测控科技股份有限公司 采用气液分离膜的分子吸收光谱仪
CN206974895U (zh) * 2017-06-13 2018-02-06 上海森谱科技有限公司 一种多光源多吸收池气相分子吸收光谱仪

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107643261A (zh) * 2017-09-25 2018-01-30 珠海广睿汇利发展有限公司 一种长光程怀特池doas法测量污染气体浓度的监测仪
CN107588853A (zh) * 2017-10-25 2018-01-16 中国科学院国家空间科学中心 一种吸收光谱仪
CN107588853B (zh) * 2017-10-25 2019-12-17 中国科学院国家空间科学中心 一种吸收光谱仪

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