澳门足彩

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人气:     时间:澳门足彩  2019/11/21 9:24:05

目前码头岸桥安装的投光灯具澳门足彩光衰较大。光源配置的是传统的电感式镇流器,功率因数较低,电能能耗较大;高次谐波较严重,对电压波动的适应性较差;光源显色指数较低,容易造成眼睛疲劳。另外,岸桥作业时投光灯和步道灯全部点亮,没有实现自动控制,电能消耗较大。因此对岸桥照明进行了改造,以满足码头生产及节能的需求。

1 改造方案
1. 1 工作照明投光灯更换为高效节能灯具岸桥工作照明由主照明灯具23套1 000W高压钠灯和辅助照明灯具8 套400W 高压钠灯组成。原有灯具光衰大、照度不均匀、老化严重、反光效率较低。岸桥的生产特点使电网电压波动较大,高压钠灯超功率现象频繁发生,造成灯泡的使用寿命大大低于额定寿命。功率因数较低,造成线路的损耗极大,同时加速线路老化。

将原1 000W 和400W 的灯具更换为400W和250W的高效LED节能灯具。该高效节能灯具内衬有反射率极高的反射罩。反射罩是经过精密光学设计的专利产品,它将80%以上的非直接照明光线,仅经一次反射便全部投射到所需照明的工作面上,光的利用率可达86%以上。长期使用( 1年以上)反射率降低3%― 8% ,而普通铝板灯具由于氧化,反射率降低40%― 60%。节能灯具具有良好的耐高温性能,在高温环境下不会损坏电子镇流器,能够长期正常工作。节能灯具由高强度铝板旋压而成,能够抵御台风袭击。所有螺栓、螺丝、活扣等应为不锈钢材料制成,灯具外表应喷漆处理,具有防尘、防水功能及良好的防震性能。灯座设计有防脱落卡簧,可以有效防止因震动导致灯泡松动或脱落。岸桥灯具,LED岸桥灯

1. 2 投光灯传统电感式镇流器更换为高效节能电子式镇流器
岸桥投光灯镇流器为电感式,电感镇流器没有恒功率控制功能,对电压波动非常敏感。电网电压上升时灯泡功率上升很快,电压超过额定电压后,功率消耗剧增,不但浪费电能,减少灯泡寿命。启动电流大,对电网冲击大,需要更大的供电电缆截面。电压和电流总谐波含量较大。

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1. 3 工作照明投光灯根据船型进行开关控制
岸桥原控制方式是根据投光灯安装位置进行控制,分别是联系梁投光灯、中后梁投光灯和前大梁投光灯。岸桥前大梁投光灯在打开后所有灯便一直亮着直到操作结束。岸桥作业时作业区域长时间不用到最前方时,前方部分投光灯白白亮着,在做驳船时最为明显。另外,在作业完毕,起桥后,不能及时关闭前大梁投光灯,也造成耗电。

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1. 4 步道灯更换为LED发光二极管为发光源
澳门足彩 岸桥原步道灯一套采用2支18W 的普通荧光灯管。由于码头盐雾较严重,使用一段时间后,步道灯外壳锈蚀严重。另外,该步道灯密封性能较差,容易进水造成线路短路。

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