發(fā)布時(shí)間：2018-06-19 15:59

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

【摘要】：隨著我國(guó)經(jīng)過(guò)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(jià),空氣污染、水污染、土壤污染等問(wèn)題日益嚴(yán)重,嚴(yán)重威脅人民的食品安全。而且不法分子不顧消費(fèi)者權(quán)益,向食品中違法或過(guò)量添加各種添加劑,造成近年來(lái)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(yán)重影響了我國(guó)食品行業(yè)的發(fā)展。本文通過(guò)深入了解我國(guó)食品安全快速檢測(cè)行業(yè)發(fā)展現(xiàn)狀,分析各種食品安全檢測(cè)分析方法和技術(shù),基于朗伯-比爾定律設(shè)計(jì)和研發(fā)了一系列食品安全快速檢測(cè)儀。該系列食品安全快速檢測(cè)儀具有應(yīng)用場(chǎng)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(diǎn),能夠滿足我國(guó)食品安全檢測(cè)行業(yè)快速發(fā)展的需要,具有廣闊的市場(chǎng)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(cè)儀中的簡(jiǎn)化和應(yīng)用。根據(jù)朗伯-比爾定律的特性設(shè)計(jì)單波長(zhǎng)和全光譜食品安全快速檢測(cè)儀的硬件結(jié)構(gòu),例如單波長(zhǎng)檢測(cè)儀的卡槽結(jié)構(gòu),單波長(zhǎng)的手持和臺(tái)式檢測(cè)儀通道設(shè)計(jì),全光譜檢測(cè)儀的分光系統(tǒng)等。其次,以手持食品安全快速檢測(cè)儀為例詳細(xì)介紹單波長(zhǎng)檢測(cè)儀的硬件和軟件設(shè)計(jì),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(jì)、檢測(cè)儀供電電路設(shè)計(jì)、IAP程序升級(jí)、系統(tǒng)軟件運(yùn)行過(guò)程、系統(tǒng)測(cè)試及產(chǎn)品生產(chǎn)過(guò)程中需要注意的問(wèn)題等。該檢測(cè)儀具有便攜性好,測(cè)量項(xiàng)目多,性價(jià)比高等優(yōu)點(diǎn),適合對(duì)便攜性和檢測(cè)速度要求比較高的應(yīng)用場(chǎng)景。再次,介紹全光譜食品安全快速檢測(cè)儀的硬件和軟件設(shè)計(jì)過(guò)程,包括數(shù)據(jù)采集模塊設(shè)計(jì)、Linux內(nèi)核和文件系統(tǒng)移植、人機(jī)交互界面設(shè)計(jì)及系統(tǒng)的運(yùn)行和測(cè)試結(jié)果等。該檢測(cè)儀具有操作簡(jiǎn)單,功能豐富,可拓展性好,精確度高等優(yōu)點(diǎn),適合于對(duì)精度要求高的檢測(cè)項(xiàng)目。最后,說(shuō)明設(shè)計(jì)和研發(fā)的這一系列食品安全快速檢測(cè)儀所具有的特點(diǎn)和優(yōu)點(diǎn),主要性能指標(biāo)位于國(guó)內(nèi)同類產(chǎn)品的前列,具有廣闊的市場(chǎng)空間和科研價(jià)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(guó)地質(zhì)大學(xué)(北京)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TS207.3;TP216

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