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Hardware of Distribution Photometer for LED Lamps

Author: ZengHaiPeng
Tutor: ChenWeiMin
School: Chongqing University
Course: Instrument Science and Technology
Keywords: LED lamps Goniophotometers Design Photometric detector
CLC: TH744.1
Type: Master's thesis
Year: 2011
Downloads: 132
Quote: 0
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Abstract


LED lighting in the area because of its advantages of energy-saving, environmental protection, long life has been widely used to produce a new type of LED lamps. High luminous efficiency of LED lamps, light-emitting directionality, to better meet the requirements of different occasions luminosity, has become the development trend of the future of lighting and get a large number of engineering applications. Luminaire photometric detection is an important part of the engineering applications, LED lamps because of their varied shape, weight characteristics of the luminaire photometric detection device a great test, the current photometric detection equipment can not be fixed and rotating LED lamps, can not meet the LED The luminaires feature detection needs. Thus, LED lamps distributed the photometer hardware rational design and characterization testing of LED luminaires has become a subject worthy of study. The LED luminaires belong to two areas of the photometry and lighting tests. LED lamps light source is the approximate point light source LED lamp beads arranged to form a surface light source, the article is based on photometric testing principle of the basic principles of a point source photometric properties analysis and experiments to explore the surface light source approximate point light source conditions, in this condition, the standard of the International Commission on Illumination lighting test as a guide, the test principle derived photometric characteristics of the LED lamps. Analysis of the overall demand for LED luminaires rotation methods and automation control flow testing standards in accordance with the the LED luminaires characteristics of test principle and the International Commission on Illumination lamps, LED lamps designed to determine the distribution of LED lamps photometer overall framework of the completion of the program design . According to the overall design of the LED lamps distribution photometer designed to achieve various hardware parts. Analysis summarized the characteristics of LED lamps, bundled design ideas, complete LED lighting fixture design; distribution based on the principle of LED lamps test LED lamps design of photometer mechanical turntable; automation control process design, computer control of mechanical turntable design ; in order to obtain the photometric data, part of the design of the data acquisition. All aspects of debugging through, the eventual realization the LED lamps Goniophotometers hardware design. In order to test the LED lamps Goniophotometers performance, combined with the software part, to the LED lamps Goniophotometers as an experimental system, LED lamps as experimental subjects, experiments. The test results show that the distribution of LED lamps photometer to test the photometric characteristics of LED lamps, and be able to test different shapes, different sizes, different weight LED lamps, has a strong adaptability. Distribution of the LED lamps LED lamps of a group of multiple measurements data repeatability error and uncertainty analysis, the results showed that the the photometer has good reliability and accuracy.

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CLC: > Industrial Technology > Machinery and Instrument Industry > Instruments, meters > Optical instruments > Physical optical instruments > Spectrometers
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