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一种自动测光装置
Alternative TitleAutomatic photometric device
佟新鑫; 朱丹; 王旭; 刘晓安; 张帆
Department光电信息技术研究室
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Country中国
Subtype发明
Status视为撤回
Abstract本发明涉及一种测光技术,具体地说是一种能够在变化环境下实现自动测光的装置。本发明包括光电传感器,进行光电转换,把外界光照背景转换为视频输入信号;放大电路,接收光电传感器输出的视频信号,进行放大并处理,输出信号给滤波电路;滤波电路,接收放大电路的输出信号,进行滤波处理,输出信号给ADC电路;ADC电路,对滤波电路输出的视频信号进行采样,输出给单片机;单片机,对ADC电路输出的数字视频信号进行统计和滤波处理,最终获得外界光照数据结果。本发明能够提高测角仪环境适应能力;通过自动测光,调节电子快门时间,提高视频输入质量,有利于图像处理和目标识别,提高测角精度;可以采用测角仪自身CCD相机作为光电传感器,结构简单,使用方便。
Other AbstractThe invention relates to a photometric technique, in particular to a device capable of achieving automatic photometry under a varying environment. The automatic photometric device comprises a photoelectric sensor, an amplifying circuit, a filter circuit, an analog to digital converter (ADC) circuit and a single chip microcomputer. The photoelectric sensor is used for conducting photovoltaic conversion and converting an outside illumination background into a video input signal the amplifying circuit receives video signals output by the photoelectric sensor, conducts amplification and processing of the video signals, and outputs the video signals to the filter circuit the filter circuit receives output signals of the amplifying circuit, conducts filtering processing, and outputs the video signals to the ADC circuit the ADC circuit samples the video signals output by the filter circuit and outputs the sample video signals to the single chip microcomputer and the single chip microcomputer conducts statistical and filtering processing on the digital video signals output the ADC circuit, and finally outside illumination data results are obtained. The automatic photometric device can increase capacity, for being adapted to an environment, of an angular instrument, regulates electronic shutter time by means of automatic photometry, improves video input quality, is beneficial to image processing and target identification, and improves angle measuring accuracy a charge coupled device (CCD) camera of the angular instrument self can be used as the photoelectric sensor, structure is simple, and usage is convenient.
PCT Attributes
Application Date2011-12-06
2013-06-12
Application NumberCN201110401088.4
Open (Notice) NumberCN103148933A
Language中文
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/13532
Collection光电信息技术研究室
Affiliation中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
佟新鑫,朱丹,王旭,等. 一种自动测光装置[P]. 2013-06-12.
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