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采用LED光源的道路燈具應關注的焦點
點擊次數(shù)：1001 發(fā)布時間：2008/6/20 11:03:43
采用LED光源的道路燈具應關注的焦點
俞安琪
國家電光源質(zhì)量監(jiān)督檢驗中心(上海)
國家燈具質(zhì)量監(jiān)督檢驗中心
上海時代之光照明電器檢測有限公司
國家半導體照明工程研發(fā)及產(chǎn)業(yè)聯(lián)盟標準化協(xié)調(diào)推進工作組
國家燈具質(zhì)量監(jiān)督檢驗中心
上海時代之光照明電器檢測有限公司
國家半導體照明工程研發(fā)及產(chǎn)業(yè)聯(lián)盟標準化協(xié)調(diào)推進工作組
摘要
LED作為一種新穎的固體照明光源，具有生產(chǎn)過程以及產(chǎn)品幾乎無污染，不怕震動，可輕易實現(xiàn)0~100%的連續(xù)調(diào)光，能在安全特低電壓下工作，可連續(xù)工作于開關閃斷的工作狀態(tài)以及其光輸出具有定向性等諸多獨特的優(yōu)勢，近年來在其光效和光色上的明顯進步已使它能進入商業(yè)化應用。但由于我國計劃經(jīng)濟產(chǎn)業(yè)布局的影響以及LED的專業(yè)知識和照明電器綜合知識在從業(yè)人員中普及的不足，造成了在實際的設計和應用中，沒有針對LED的特點進行揚長避短的應用，出現(xiàn)了眾多不合理及不合格的應用產(chǎn)品。本文就LED應用于道路燈具中目前存在的問題進行了分析，也給出了解決問題的思路和實例，供廣大同行參考。
LED作為一種新穎的固體照明光源，具有生產(chǎn)過程以及產(chǎn)品幾乎無污染，不怕震動，可輕易實現(xiàn)0~100%的連續(xù)調(diào)光，能在安全特低電壓下工作，可連續(xù)工作于開關閃斷的工作狀態(tài)以及其光輸出具有定向性等諸多獨特的優(yōu)勢，近年來在其光效和光色上的明顯進步已使它能進入商業(yè)化應用。但由于我國計劃經(jīng)濟產(chǎn)業(yè)布局的影響以及LED的專業(yè)知識和照明電器綜合知識在從業(yè)人員中普及的不足，造成了在實際的設計和應用中，沒有針對LED的特點進行揚長避短的應用，出現(xiàn)了眾多不合理及不合格的應用產(chǎn)品。本文就LED應用于道路燈具中目前存在的問題進行了分析，也給出了解決問題的思路和實例，供廣大同行參考。
關鍵詞：多光源、定向發(fā)光、三次配光、過度照明、系統(tǒng)效率、LPD
Focus on luminaires adapting LED light source for road and street lighting
Yu Anqi,
China National Light Source Quality Supervision Testing Centre (Shanghai),
China National Lighting Fitting Quality Supervision Testing Centre,
Shanghai Alpha Lighting Equipment Testing Ltd.
CSA Standardization Promotion Group
China National Lighting Fitting Quality Supervision Testing Centre,
Shanghai Alpha Lighting Equipment Testing Ltd.
CSA Standardization Promotion Group
Abstract
As a new-fashioned solid state lighting source, LED has many unique advantages such as nearly no pollution of the product and in the production process; resistance to vibration; easily dimmering from 0 to 100%; operating under safe extra low voltage; continuously operating under the condition of switch-off; having a fixed direction of the light output etc. In recent years, LED’s obvious improvement of luminous efficacy and photometric characteristic let it be applied for commercial purpose. But for the influence of our country’s plan-economics industry arrangement and for the lack of the popularization of LED professional knowledge and comprehensive knowledge of lighting equipments in the professional personnel, LED is not appropriately applied in practical design and application according to its characteristics and there appear many unreasonable and unqualified application products. This passage analyzes the problems occurring in LED’s application in the luminaries for road and street lighting and also put forward some ideas and examples for solving the problems, as reference to professional colleagues
As a new-fashioned solid state lighting source, LED has many unique advantages such as nearly no pollution of the product and in the production process; resistance to vibration; easily dimmering from 0 to 100%; operating under safe extra low voltage; continuously operating under the condition of switch-off; having a fixed direction of the light output etc. In recent years, LED’s obvious improvement of luminous efficacy and photometric characteristic let it be applied for commercial purpose. But for the influence of our country’s plan-economics industry arrangement and for the lack of the popularization of LED professional knowledge and comprehensive knowledge of lighting equipments in the professional personnel, LED is not appropriately applied in practical design and application according to its characteristics and there appear many unreasonable and unqualified application products. This passage analyzes the problems occurring in LED’s application in the luminaries for road and street lighting and also put forward some ideas and examples for solving the problems, as reference to professional colleagues
Key words: lamp-house, directional luminescence, thrice goniophotometry，
excess illumination, system efficiency, LPD
excess illumination, system efficiency, LPD
引言
LED應用于照明領域，是目前我國乃至世界照明界的熱門話題，通過從業(yè)人員的不斷努力，目前照明用白光LED在通常的照明工作條件下的系統(tǒng)效率（包括驅(qū)動電路），已達到40lm/W，再加上照明用LED制造成本的大幅下降，所以照明用白光LED已具備應用到一些照明領域的商用條件。但是，由于我國從計劃經(jīng)濟時代以來很多年的產(chǎn)業(yè)結構分布所造成的局面，使得目前制造照明LED的產(chǎn)業(yè)群體往往缺乏對照明電器基本知識和要求的了解，而傳統(tǒng)的照明燈具生產(chǎn)群體也往往缺乏對照明用LED特性的深入了解，在設計和應用中沒有充分地利用LED的特點，進行揚長避短的使用，所以造成了在照明LED應用到照明裝置中時，產(chǎn)生很多不合理的錯誤設計。本文就目前照明用LED應用
