CN2341229Y - 节能灯箱 - Google Patents

节能灯箱 Download PDF

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Publication number
CN2341229Y
CN2341229Y CN 98249156 CN98249156U CN2341229Y CN 2341229 Y CN2341229 Y CN 2341229Y CN 98249156 CN98249156 CN 98249156 CN 98249156 U CN98249156 U CN 98249156U CN 2341229 Y CN2341229 Y CN 2341229Y
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light
energy
lamp box
mesh points
site
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CN 98249156
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冯天裕
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Feng Tianyu
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Abstract

一种节能灯箱,灯箱箱体的边框贴装薄膜,上下两边各组装一由荧光灯管组成的光源,灯管(4)表面覆盖一层反光铝箔,在导光板上又丝印许多网点的反光器,其分布是中间网点大而密,越近光源网点就越小而疏;使光分布均匀,光线释出率高且光度均匀悦目;灯管数量少可节能50%以上;可展示海报、灯片、木牌、指示牌和装饰画,提高艺术效果。

Description

节能灯箱
本实用新型涉及一种节能灯箱，属于节能灯箱的技术领域。
现有的节能灯箱使用灯管作为光源，灯管数量稍多，因而耗电也多，否则光辉出率偏低，光度也不均匀悦目；灯管的光易于向各处散失，或在有效面积内光的传播并不均匀；在展示装饰画、指示牌、灯片等方面的艺术效果稍差，亟待改善。
本实用新型的目的是要提供一种节能灯箱，它可以克服上述的缺点。在灯管表面包复一层反光铝箔，该铝箔并不导光，使光不致散失；另外在导光板上设置白色网点反光器，使光线辉出率提高，光度均匀悦目。
本实用新型的目的是这样实现的：灯箱箱体的边框(1)贴装薄膜(2)，边框(1)上下两边各组装一由荧光灯(4)组成的光源(3)，荧光灯管(4)表面包复一层反光铝箔(5)，在导光板(6)上丝印白色网点的反光器(7)。反光器(7)的分布是中间网点大而密，越近光源网点就越小而疏。
图1．灯箱示意图
图2．光传播原理图
图3．灯管覆盖铝箔的示意图
图4．铝箔上反光器分布的示意图
兹结合附图对节能灯箱的结构详细叙述：
由图1，灯箱箱体的边框(1)贴装薄膜(2)，边框(1)上下两边各组装一由荧光灯(4)组成的光源(3)，光由两边照射，如图中矢号所示。
由图2，荧光灯管(4)表面都包复一层反光的铝箔(5)，使光的散射情况如图中所示的抛物线形状
由图3，本结构主要利用光的反射和折射原理，用不导光的材料即反光的铝箔(5)将荧光灯管(4)特制的导光板(6)上下两个边缘贴住，导光板(6)的厚度近于荧光灯管，使光被遮住不致散失，必须沿导光板(6)截面方向传递，通过在导光板上丝印有规律的白色网点(也就是形成一反光器Reflector)(7)，使光在有效的长度(或有效的面积)内能够均匀分布。
由图4，光源从两边进入，荧光灯管(4)表面覆盖反光的铝箔(5)，铝箔内表面有许多反光器；该反光器系白色网点，其网点大小一般为中间的网点大而密，越近光源网点就越小而疏；对于小面积的发光面，反光器的分布为网点大小及分布极为均匀，达到光线释出率高，光度均匀悦目。
与现有技术相比，节能灯箱具有下列优点：1．灯管用量少，只有现有灯箱的一半，节约能源达50％左右。2．配用的灯管低温，光度足，寿命长，3．具有防静电功能，不易粘尘。4．灯箱单双均可使用，便于展示海报、灯片、木牌、指示牌和装饰图片。5．充分利用光的折射和反射，使用不导光的反光铝箔将荧光灯管遮住使光不致散失，只能从导光板上下两个截面方向传播。6．导光板上设有反光器，其分布是中间的网点大而密，越近光源网点就越小而疏，使光分布均匀，光度悦目且光线释出率高。

Claims (2)

1．一种节能灯箱，其特征在于：灯箱箱体的边框(1)贴装薄膜(2)，边框(1)上下两边各组装一由荧光灯(4)组成的光源(3)，荧光灯管(4)表面包复一层反光铝箔(5)，在导光板(6)上丝印白色网点的反光器(7)。
2．根据权利要求1所述的灯箱，其特征在于：反光器(7)的分布是中间网点大而密，越近光源网点就越小而疏。
CN 98249156 1998-12-07 1998-12-07 节能灯箱 Ceased CN2341229Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98249156 CN2341229Y (zh) 1998-12-07 1998-12-07 节能灯箱

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98249156 CN2341229Y (zh) 1998-12-07 1998-12-07 节能灯箱

Publications (1)

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CN2341229Y true CN2341229Y (zh) 1999-09-29

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CN 98249156 Ceased CN2341229Y (zh) 1998-12-07 1998-12-07 节能灯箱

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CN (1) CN2341229Y (zh)

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