Promoting the Use of LED Lighting from the Design Stage
2016-07-14MaNing
Ma Ning
Promoting the Use of LED Lighting from the Design Stage
Ma Ning
AbstractBy explaining the reasons for the use of LED lighting in the design stage, several key problems should be noted in the design. And in accordance with the new version of “architectural lighting design standards” which is have higher requirements for energy saving,the use of LED lamps and typical place of traditional light source lamp illumination calculation results were analyzed. Designers should summarize the actual situation objectively to promote LED lighting application.
Keywordslight emitting diode lamp, luminous efficacy of a light source, luminaire efficacy, illuminance, lighting power density
1从设计阶段推进使用LED照明器具的原因
1.1GB 50034-2013《建筑照明设计标准》(以下简称“新规范”)
新规范较GB 50034-2004《建筑照明设计标准》(以下简称“旧规范”)对功率密度值的要求更加严格。在照度标准值不变的情况下,新规范已将旧规范中大量场所的功率密度目标值调整为新规范的现行值,并在新规范中进一步降低功率密度目标值。如办公室照度标准300lx,旧规范要求“现行值11W/m2,目标值9W/m2”,新规范要求“现行值9W/m2,目标值8W/m2”,其中现行值降低了约18%,目标值降低了约11%。同时,新规范新增了部分场所对于照度、功率密度的强制性要求,如走廊、卫生间等。
1.2LED照明器技术的发展推动了照明革命
就现阶段LED技术发展状况而言,其产品批次、颜色的一致性、色温漂移、蓝光对生物安全造成的影响等问题在业界还存在争议,虽然LED还不能够完全取代传统光源灯具,但这并不阻碍LED照明产业的发展。
LED灯具系统光效已逐步超过了传统灯具,价格也较传统灯具有较强的竞争力。并具有某些传统光源和灯具所不具备的优势(如寿命长、即点即亮、无限制地连续开关、可以在低温及振动的恶劣环境下使用、没有红外和紫外线输出、不含汞、对环境无害等)。
LED光源及灯具还将带来照明数字化革命。如某公司的HUE球泡可以运用无线网控制开关、调光和变色,或只需一根网线即可实现POE供电及灯盘的控制。可以预见,在不久的将来,LED灯具不仅会在照明领域大量使用,而且每套灯具都可能具有一个IP地址,成为网络中的一个节点,可以在网络终端监控所有灯具。……
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