CN107703069B - 基于恒定电流的分光光度计食品安全检测方法 - Google Patents
基于恒定电流的分光光度计食品安全检测方法 Download PDFInfo
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- CN107703069B CN107703069B CN201610640130.0A CN201610640130A CN107703069B CN 107703069 B CN107703069 B CN 107703069B CN 201610640130 A CN201610640130 A CN 201610640130A CN 107703069 B CN107703069 B CN 107703069B
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 11
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N2021/3185—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry typically monochromatic or band-limited
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CN201610640130.0A CN107703069B (zh) | 2016-08-05 | 2016-08-05 | 基于恒定电流的分光光度计食品安全检测方法 |
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CN201610640130.0A CN107703069B (zh) | 2016-08-05 | 2016-08-05 | 基于恒定电流的分光光度计食品安全检测方法 |
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CN107703069A CN107703069A (zh) | 2018-02-16 |
CN107703069B true CN107703069B (zh) | 2021-08-03 |
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Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201133898Y (zh) * | 2007-08-01 | 2008-10-15 | 浙江大学 | 一种食品安全快速检测仪 |
US8288953B1 (en) * | 2010-01-19 | 2012-10-16 | Texas Instruments Incorporated | Buck constant average current regulation of light emitting diodes |
CN102316621A (zh) * | 2010-06-29 | 2012-01-11 | 英飞特光电(杭州)有限公司 | 一种降低pwm调光电路emi的方法及装置 |
CN102487567A (zh) * | 2010-12-01 | 2012-06-06 | 海洋王照明科技股份有限公司 | 用于便携式装置的led恒流驱动电路 |
CN202143266U (zh) * | 2011-07-12 | 2012-02-08 | 科博达技术有限公司 | Led灯恒流电路 |
CN202216899U (zh) * | 2011-09-20 | 2012-05-09 | 安徽信多电子科技有限公司 | 多功能食品安全检测仪 |
CN202587506U (zh) * | 2012-04-23 | 2012-12-05 | 电子科技大学 | 一种可调恒流源 |
CN102685989A (zh) * | 2012-05-11 | 2012-09-19 | 华南理工大学 | 高压直流集中供电led恒流源pwm调光方法及电路 |
CN202631420U (zh) * | 2012-05-31 | 2012-12-26 | 无锡创晨科技有限公司 | 重金属在线监测仪的光电检测电路 |
CN103440848B (zh) * | 2013-09-02 | 2016-01-20 | 深圳市华星光电技术有限公司 | 背光驱动电路 |
KR101464916B1 (ko) * | 2014-03-31 | 2014-11-25 | 이상범 | 고효율 항공등화 전원장치 및 조명 제어시스템. |
CN105589502A (zh) * | 2014-11-10 | 2016-05-18 | 成都市创为凯科技信息咨询有限公司 | 一种分光光度计用高精度恒流源 |
CN104363685B (zh) * | 2014-12-04 | 2017-01-25 | 青岛歌尔声学科技有限公司 | 一种基于电流反馈的反激直驱led电源电路及电视机 |
CN204439532U (zh) * | 2015-02-15 | 2015-07-01 | 北京连华永兴科技发展有限公司 | 一种多波长比色测量装置 |
CN104703354B (zh) * | 2015-03-18 | 2017-11-17 | 上海镭芯微电子有限公司 | 带自动升频和状态控制的led频闪灯控制系统及控制方法 |
CN104764701A (zh) * | 2015-04-14 | 2015-07-08 | 柴俊沙 | 食品安全现场检测设备 |
CN204694625U (zh) * | 2015-06-24 | 2015-10-07 | 云南农业大学 | 一种单片机led的稀释水质分析仪 |
CN204903387U (zh) * | 2015-08-19 | 2015-12-23 | 柴俊沙 | 一种食品安全现场检测设备 |
CN105657899B (zh) * | 2016-02-22 | 2017-12-05 | 南京矽力杰半导体技术有限公司 | 多路led恒流驱动电路及其控制方法 |
CN105592595B (zh) * | 2016-03-08 | 2017-06-27 | 深圳市华星光电技术有限公司 | 背光调光电路及液晶显示器 |
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Effective date of registration: 20230116 Address after: 510663 Guangdong Guangzhou high tech Industrial Development Zone, Science City, open source road 11, A2 third. Patentee after: GUANGDONG DAYUAN OASIS FOOD SAFETY TECHNOLOGY Co.,Ltd. Patentee after: Guangdong Industry Technical College Address before: 510000 third floor, building A2, No. 11, Kaiyuan Avenue, Science City, Guangzhou high tech Industrial Development Zone, Guangdong Province Patentee before: GUANGDONG DAYUAN OASIS FOOD SAFETY TECHNOLOGY Co.,Ltd. |