红外与激光工程
紅外與激光工程
홍외여격광공정
INFRARED AND LASER ENGINEERING
2014年
9期
2815-2818
,共4页
芦雅静%宋宝安%董伟%徐铁峰%戴世勋%聂秋华%沈祥%林常规
蘆雅靜%宋寶安%董偉%徐鐵峰%戴世勛%聶鞦華%瀋祥%林常規
호아정%송보안%동위%서철봉%대세훈%섭추화%침상%림상규
汽车夜视%红外材料%硫系玻璃%温度自适应
汽車夜視%紅外材料%硫繫玻璃%溫度自適應
기차야시%홍외재료%류계파리%온도자괄응
car night vision%infrared materials%chalcogenide glass%temperature adaptive
夜间行车时,由于光线不足,视距较短,驾驶员驾车的危险性增加。汽车夜视系统能增加驾驶员夜间行车的视距,且不受雨雪等恶劣条件的影响,因此,颇受关注。夜间行车时环境温度变化较大,温度变化严重影响夜视系统的成像质量,无热化设计是夜视系统的发展方向之一。硫系玻璃具有较小的折射率温度系数和良好的红外透过性能,同时具备模压成型等优点,是用于无热化汽车夜视系统设计的优良候选材料。详细分析了硫系玻璃的光热特性,比较了硫系玻璃应用于汽车夜视系统的优势,给出了它在夜视系统中的多个应用实例。
夜間行車時,由于光線不足,視距較短,駕駛員駕車的危險性增加。汽車夜視繫統能增加駕駛員夜間行車的視距,且不受雨雪等噁劣條件的影響,因此,頗受關註。夜間行車時環境溫度變化較大,溫度變化嚴重影響夜視繫統的成像質量,無熱化設計是夜視繫統的髮展方嚮之一。硫繫玻璃具有較小的摺射率溫度繫數和良好的紅外透過性能,同時具備模壓成型等優點,是用于無熱化汽車夜視繫統設計的優良候選材料。詳細分析瞭硫繫玻璃的光熱特性,比較瞭硫繫玻璃應用于汽車夜視繫統的優勢,給齣瞭它在夜視繫統中的多箇應用實例。
야간행차시,유우광선불족,시거교단,가사원가차적위험성증가。기차야시계통능증가가사원야간행차적시거,차불수우설등악렬조건적영향,인차,파수관주。야간행차시배경온도변화교대,온도변화엄중영향야시계통적성상질량,무열화설계시야시계통적발전방향지일。류계파리구유교소적절사솔온도계수화량호적홍외투과성능,동시구비모압성형등우점,시용우무열화기차야시계통설계적우량후선재료。상세분석료류계파리적광열특성,비교료류계파리응용우기차야시계통적우세,급출료타재야시계통중적다개응용실례。
Because of the limits of illumination in the cars, the drivers can′t observe clearly at night, which greatly increases the driving dangers. Car night vision system is a novel technology that helps to increase the driver′s observation distance and is not subjected to the adverse conditions such as snow and rain. Novel car night vision system has has been widespread concerned. However, the change of temperature has a great impact on night vision system. Chalcogenide glass has a high-transmittance rate in infrared spectrum regions, and also has the advantages of small temperature coefficient of refractive index and modling which is suitable to car night vision systems. The features of chalcogenide glass were analyzed, the advantages of chalcogenide glass in night vision system were summarized. Car night vision systems using chalcogenide glass were presented.