本文選題：朗伯-比爾定律 + IAP��； 參考：《中國地質(zhì)大學(xué)(北京)》2017年碩士論文

【摘要】：隨著我國經(jīng)過三十多年的超高速發(fā)展,人民生活水平雖然大幅度提高,但是環(huán)境方面也付出巨大代價,空氣污染、水污染、土壤污染等問題日益嚴重,嚴重威脅人民的食品安全。而且不法分子不顧消費者權(quán)益,向食品中違法或過量添加各種添加劑,造成近年來食品安全事件頻發(fā),給人民群眾的健康造成巨大的威脅,嚴重影響了我國食品行業(yè)的發(fā)展。本文通過深入了解我國食品安全快速檢測行業(yè)發(fā)展現(xiàn)狀,分析各種食品安全檢測分析方法和技術(shù),基于朗伯-比爾定律設(shè)計和研發(fā)了一系列食品安全快速檢測儀。該系列食品安全快速檢測儀具有應(yīng)用場景廣泛,可拓展性好,操作方便快捷,穩(wěn)定性和精確性高等特點,能夠滿足我國食品安全檢測行業(yè)快速發(fā)展的需要,具有廣闊的市場空間。首先分析朗伯-比爾定律的應(yīng)用條件,介紹該定律在食品安全快速檢測儀中的簡化和應(yīng)用。根據(jù)朗伯-比爾定律的特性設(shè)計單波長和全光譜食品安全快速檢測儀的硬件結(jié)構(gòu),例如單波長檢測儀的卡槽結(jié)構(gòu),單波長的手持和臺式檢測儀通道設(shè)計,全光譜檢測儀的分光系統(tǒng)等。其次,以手持食品安全快速檢測儀為例詳細介紹單波長檢測儀的硬件和軟件設(shè)計,包括硬件電路的整體框架、核心控制器的選擇及相關(guān)電路設(shè)計、檢測儀供電電路設(shè)計、IAP程序升級、系統(tǒng)軟件運行過程、系統(tǒng)測試及產(chǎn)品生產(chǎn)過程中需要注意的問題等。該檢測儀具有便攜性好,測量項目多,性價比高等優(yōu)點,適合對便攜性和檢測速度要求比較高的應(yīng)用場景。再次,介紹全光譜食品安全快速檢測儀的硬件和軟件設(shè)計過程,包括數(shù)據(jù)采集模塊設(shè)計、Linux內(nèi)核和文件系統(tǒng)移植、人機交互界面設(shè)計及系統(tǒng)的運行和測試結(jié)果等。該檢測儀具有操作簡單,功能豐富,可拓展性好,精確度高等優(yōu)點,適合于對精度要求高的檢測項目。最后,說明設(shè)計和研發(fā)的這一系列食品安全快速檢測儀所具有的特點和優(yōu)點,主要性能指標位于國內(nèi)同類產(chǎn)品的前列,具有廣闊的市場空間和科研價值。
[Abstract]:With the rapid development of our country for more than 30 years, although the standard of living of the people has been greatly improved, the environment has also paid a huge price. The problems of air pollution, water pollution, soil pollution and so on are becoming increasingly serious. It is a serious threat to the food safety of the people. Moreover, the illegal elements ignore the rights and interests of consumers and add various additives to food illegally or excessively, which results in frequent food safety incidents in recent years, poses a huge threat to the health of the people and seriously affects the development of the food industry in China. In this paper, a series of food safety fast detection instruments are designed and developed based on the understanding of the current situation of food safety rapid detection industry in China and the analysis of various methods and techniques of food safety detection and analysis. The series of fast food safety detectors have the characteristics of wide application, good expansibility, convenient operation, high stability and accuracy, and can meet the needs of the rapid development of food safety inspection industry in China. Have broad market space. Firstly, the application conditions of Lambert-Beer 's law are analyzed, and the simplification and application of this law in fast food safety detector are introduced. According to the characteristics of Lamber-Beer 's law, the hardware structure of single-wavelength and full-spectrum fast food safety detector is designed, such as the slot structure of single-wavelength detector, the channel design of single-wavelength hand-held and desktop detector. The spectroscopic system of the full spectrum detector, etc. Secondly, the hardware and software design of the single wavelength detector, including the whole frame of the hardware circuit, the selection of the core controller and the related circuit design, are introduced in detail, taking the hand-held food safety fast detector as an example. The design of the power supply circuit of the tester includes the upgrading of the IAP program, the running process of the system software, the problems needing attention in the system test and the production process of the product, etc. The detector has the advantages of good portability, many measuring items and high performance to price ratio. It is suitable for applications with high requirements for portability and detection speed. Thirdly, the hardware and software design process of full spectrum fast food safety detector is introduced, including data acquisition module design, Linux kernel and file system transplantation, man-machine interface design, system operation and test results, etc. The instrument has the advantages of simple operation, rich function, good expansibility and high precision. Finally, the characteristics and advantages of this series of food safety rapid detection instruments designed and developed are described. The main performance indexes are in the forefront of similar products in China, and have broad market space and scientific research value.
【學(xué)位授予單位】：中國地質(zhì)大學(xué)(北京)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TS207.3;TP216

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