本文選題：光源 + 脈沖氙燈��； 參考：《天津大學》2014年碩士論文

【摘要】：由于瞬時功率強、紫外輻射多、功耗低且體積小、易操作等優(yōu)點,一種新型球形短弧脈沖氙燈光源在工業(yè)自動化、醫(yī)療以及分析領(lǐng)域的應(yīng)用越來越廣泛。為配合國內(nèi)相關(guān)光源的研制和生產(chǎn),提供必要的產(chǎn)品質(zhì)量檢測和實驗設(shè)備,本文開展了脈沖氙燈光源的電子發(fā)射、充放電過程及等效電路等理論分析,研制了光電特性分析檢測系統(tǒng),實驗測定并得到了光源的穩(wěn)定工作條件。首先,利用氣體放電理論及陰極電子學等原理從微觀角度分析脈沖氙燈放電發(fā)光過程,通過放電回路方程,討論了放電回路對脈沖發(fā)光的影響。脈沖氙燈放電過程中,主回路電壓和電流都很高,并且在微秒級的時間內(nèi)完成放電,使其電氣特性的檢測非常困難。本文提出一種基于高壓探頭以及串聯(lián)小阻值無感電阻的方法檢測其電氣特性,從而快速得到其觸發(fā)、發(fā)射電子、輝光放電、等效電阻等相關(guān)工作參數(shù)。其次,本文設(shè)計了用于脈沖氙燈的光電檢測系統(tǒng),依據(jù)實時檢測得到的脈沖氙燈放電過程中的瞬時電壓、電流以及光脈沖信號,分析了其發(fā)光穩(wěn)定性、高壓驅(qū)動調(diào)整等情況下的工作性能及檢測方法,開發(fā)了系統(tǒng)檢測軟件。最后,利用本文的檢測系統(tǒng)進行了相關(guān)實驗,檢測脈沖氙燈實時放電曲線和發(fā)光曲線,以及在放電回路參數(shù)以及電極間距改變時,脈沖氙燈光電特性的變化,并結(jié)合放電理論及回路方程分析其原因�？傊�,本文開展了氙燈脈沖的形成、調(diào)整、檢測等相關(guān)的系統(tǒng)工作,實驗測定了其工作性能曲線,得到了翔實的檢測結(jié)果。本文工作對于氙燈的工作性能評測,質(zhì)量控制和新產(chǎn)品開發(fā),具有非常重要的意義。
[Abstract]:Because of the advantages of high instantaneous power, high ultraviolet radiation, low power consumption, small volume and easy to operate, a new type of spherical short-arc pulsed xenon lamp is widely used in industrial automation, medical treatment and analysis. In order to cooperate with the development and production of related light sources in China, and to provide necessary product quality inspection and experimental equipment, the theoretical analysis of electron emission, charge / discharge process and equivalent circuit of pulsed xenon lamp light source is carried out in this paper. A photoelectric characteristic analysis and detection system is developed, and the stable working conditions of the light source are obtained. Firstly, the discharge process of pulsed xenon lamp is analyzed from the microscopic point of view by using the theory of gas discharge and cathodic electronics. The effect of discharge loop on pulse luminescence is discussed by the equation of discharge circuit. In the discharge process of pulsed xenon lamp, the main circuit voltage and current are very high, and the discharge is completed in the time of microsecond, so it is very difficult to detect the electrical characteristics of Xenon lamp. In this paper, a method based on high voltage probe and series small resistance without inductance is proposed to detect the electrical characteristics of the detector, and to obtain the working parameters such as trigger, emission electron, glow discharge, equivalent resistance and so on. Secondly, a photoelectric detection system for pulsed xenon lamp is designed. According to the instantaneous voltage, current and light pulse signal of the pulse xenon lamp, the luminous stability is analyzed. The system testing software has been developed for working performance and testing method under the condition of high voltage drive adjustment and so on. Finally, relevant experiments are carried out by using the detection system in this paper to detect the real-time discharge curve and luminescence curve of pulsed xenon lamp, and the changes of photoelectric characteristics of pulse xenon lamp when the discharge circuit parameters and electrode spacing are changed. Combined with discharge theory and loop equation, the reasons are analyzed. In a word, the system work on the formation, adjustment and detection of xenon lamp pulse has been carried out, and its working performance curve has been measured experimentally, and the results have been obtained. This work is of great significance to the performance evaluation, quality control and new product development of xenon lamp.
【學位授予單位】：天津大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM923.323

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