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陜西BLD51系列隔爆型高效節能燈（LED光源）
1. 陜西BLD51系列隔爆型高效節能燈（LED光源）使用范圍
BLD51系列隔爆型高效節能燈(LED 光源,以下簡稱節能燈)防爆性能符合GB3836.1-2000《爆炸性氣體環境用電氣設備 第1部分：通用要求》、GB3836.2-2000《爆炸性氣體環境用電氣設備 第2部分：隔爆型“d”》的規定。適用于戶內、戶外具有爆炸性氣體混合物為Ⅱ類A、B級，T1~T4組的1區、2區場所中，在交流50HZ額定電壓220V線路中作照明之用。
節能燈的有關技術資料圖樣和樣機均經國家防爆電氣產品質量監督檢驗測試中心（CQST）審查檢驗合格，并取得防爆合格證，防爆合格證證書編號為：CNEx08.0559。
Application：
BLD51 series of flame-proof HESE Lamps （LED LIGHTING SOURCE, Hereinafter called HESE lamp ) are designed and manufactured according to the standards: GB3836.1-2000 “ Electrical Apparatus for Explosive Gas Atmospheres Part 1: General Requirements “, GB3836.2-2000 “ Electrical Apparatus for Explosive Gas Atmospheres Part 2: Flame-proof Enclosure “d” “. They are suitable to be used in place of zone 1 or 2 where there is explosive gas mixture which belongs to category Ⅱ, class A、B, group T1~T4 for lighting in a circuit with AC 50HZ, rated voltage of 220V.
The technical drawings and documents are validated by CHINA NATIONAL QUALITY SUPERVISION AND TEST CENTRE FOR EXPLOSION PROTECTED ELECTRICAL PRODUCTS ( CQST ), and issued explosion-proof certificate, serial No. is CNEx08.0059.
2．陜西適用條件
a) 海拔不超過2000m；
b) 周圍環境溫度不高于+40℃，不低于-50℃；
c) 周圍空氣的相對濕度不大于95%（+25℃時）；
d) 在含有爆炸性氣體混合物不超過Ⅱ類，A、B級，T1~T4組的1區、2區環境中；
e) 在無破壞絕緣的氣體或蒸汽的環境中。
Using Conditions：
a) Altitude of the site of installation does not exceed 2000m;
b) The ambient air temperature does not exceed +40℃, the lower limit of ambient air temperature is - 50℃;
c) The relative humidity does not exceed 95% ( at+25℃) ;
d) The ambient place where there is explosive gas mixture which does not exceed category Ⅱ class A、B, group T1~T4;
e) The site in which there is not gas or rapour which may corrode insulation material.
3．陜西技術參數
3.1 節能燈高效、節能、使用壽命長、光照效果好和光照面積大特點，LED 作為第四代光源，技術*，性能優良，具備以下：
a、低耗能，和白熾燈相比節能90%；
b、使用壽命長，在恰當的電流和電壓情況下長達3-5萬小時，是其他同類燈具的數十倍；
c、亮度高，顯色指數高Ra>80，光源方向性好；
d、環保，由無毒的半導體材料制成光源，不想熒光燈含水銀會造成污染；
e、無熱輻射，熱別適宜于對防爆要求較苛刻的環境等諸多優點。
Type and technical data：
The HESE lamp possess excellent properties, such as high effectiveness, save energy, long life, light effectiveness and big light area. As the fourth of the light source, its design is applied advanced technology.
a、low consrme energy and save energy 90% compare with incandescent lamps;
b、long life, it can working 30-50 thousands hours at rated voltage and rated current, It is several ten times compare with the same kind lamps;
c、Luminance is excellent, coloration index Ra>80, and good direction property;
d、No pollution, The source material is made of semiconductor, but the mercury vapor lamp may pollute environment.
e、No heat radiation, It is suitable to be used in hazardous site.
3.2 節能燈的主要技術參數見表1。
Technical data to see table 1.
表 1 主要技術參數
Table 1 Technical data
型 號 Type | 額定電壓 Rated voltage （V） | 額定功率 Rated power（W） | 燈座代號 Holder code | 防爆標志 Ex-mark | 防護等級 Protective degree | 電纜外徑/管內徑 Dia of cable/ In dia pipe (mm) |
BLD51-51 | 220 | 51 | E27 | ExdⅡBT4 | IP65 | 8~12/20 |
3.3 隔爆節能燈的隔爆參數見表2。
Flame-proof technical data to see table 2.
表 2 隔爆參數
Table 2 Flame-proof data
殼體與蓋 Shell and Cover | |||
L(mm) | l(mm) | i(mm) | 粗糙度 Ra Rugosity |
≥12.5 | ≥8 | ≤0.15 | 3.2 |
4．BLD51LED防爆節能燈的結構及防爆性能概述
4.1 節能燈在設計時，充分考慮了內部爆炸性氣體混合物發生爆炸時，不引起外部爆炸性氣體混合物發生爆炸，通過在材料強度、結構、溫度等方面采取措施，確保產品的安全可靠。
4.2 節能燈的外殼采用壓鑄造鋁合金制成。壓鑄鋁合金的抗拉強度不小于120MPa含鎂量小于5%（質量比）。能承受7J的沖擊能量試驗。
4.3 節能燈的透明罩采用鋼化玻璃制成，能承受7J的沖擊能量試驗。
4.4 電纜引入裝置用密封圈硬度為邵氏硬度45~55度，密封圈能經受GB3836.1規定的老化試驗，適用的zui小電纜外徑為ф12~ф20。
4.5 節能燈外殼內外設有可靠的內外接地，其附近設有接地符號。
4.6 節能燈可在任意方向調節。
4.7節能燈的絕緣強度，能夠承受交流1500V，歷時1min的工頻耐壓試驗。
4.8 節能燈的絕緣電阻在正常環境中不低于100MΩ。
Construction：
4.1 The HESE lamp is stable and safe for using explosive gas mixture, because we design and manufacture according to relative standards in material , structure and temperature.
4.2 The enclosure is made of casting aluminium alloy which contains magnesium not more than 5% (quality ratio ). The tensile strength of aluminium alloy exceed 120MPa. It can be ensured hit experiment 7J.
4.3 The guard of lamp is made of toughened glass. It can be ensured hit experiment 4J.
4.4 The hardness of rubber gasket is 45~55. The rubber gasket may stand up to aging test. It is used for Φ12~Φ20 external dia. of the cable.
4.5 There are internal and external earthing with marks.
4.6 The lamp could be adjusted at any direetion.
4.7Withstanding voltage of the lamp is 1500V, lasting time 1min.
4.8 Normal insulation resistance must exceed 100MΩ.
