CN100373092C - 内打灯灯箱遮光补光装置 - Google Patents

内打灯灯箱遮光补光装置 Download PDF

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CN100373092C
CN100373092C CNB2004100986021A CN200410098602A CN100373092C CN 100373092 C CN100373092 C CN 100373092C CN B2004100986021 A CNB2004100986021 A CN B2004100986021A CN 200410098602 A CN200410098602 A CN 200410098602A CN 100373092 C CN100373092 C CN 100373092C
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light
reflecting portion
light shielding
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right light
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CN1614303A (zh
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王默文
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BAILONGTAI TECHNOLOGY (BEIJING) CO.,LTD.
Wang Mowen
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein

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  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

本发明涉及一种内打灯灯箱遮光补光装置，其为设置于灯箱灯管和弧形反光板之间的不透光体，包括左反光部、右反光部和连接左反光部和右反光部的遮光部，遮光部横截面为圆弧形，左反光部和右反光部相对称，左反光部和右反光部的对称面与灯管的中心线位于同一平面内。遮光部与灯管相配合，将直射到遮光部的光线挡住，强迫光线从灯管的前部和两侧射出，减少光线的损失，使灯箱柔光板上的光照度较强。而左反光部和右反光部则可对柔光板远离灯管的部位进行补光，并使柔光板上的光照度比较均匀。

Description

内打灯灯箱遮光补光装置
技术领域
本发明涉及一种内打灯灯箱遮光补光装置。
背景技术
如何避免内打灯灯箱中灯管光照在柔光板上形成肋骨纹一直是业内人士所关心的问题。本发明人致力于灯箱方面的研究，先后对灯箱进行了各种改进，包括：1、在灯箱灯管和背板之间设置弧形反光板；2、在相邻两弧形反光板之间设置连接两弧形反光板的反光角；3、在灯管和弧形反光板之间设置横截面为V形的小反光角，小反光角位于灯管正后方，小反光角的对称面与灯管的中心线位于同一平面内。采用上述改进方案后，灯箱的光线效果得到了一定的改善，可以减少或消除灯箱肋骨纹现象，增加柔光板上的光照度，使灯箱的光线效果较好。但是，本发明人认为在现有灯箱设计方案的基础上还存在改进的余地，经潜心研发，终于发明可进一步提高灯箱光照度和均匀性的本发明。
发明内容
本发明的目的是提供一种可使灯箱柔光板上的光照度高且光照度均匀的内打灯灯箱遮光补光装置。
为实现上述目的，本发明采取以下设计方案：一种内打灯灯箱遮光补光装置，其特征在于：其为设置于灯箱灯管和弧形反光板之间的不透光体，包括左反光部、右反光部和连接所述左反光部和右反光部的遮光部，所述遮光部横截面为圆弧形，所述左反光部和右反光部相对称，所述左反光部和右反光部的对称面与所述灯管的中心线位于同一平面内。
相邻两所述反光板之间设有横截面呈三角形的反光角，所述遮光部的圆弧长度为所述灯管周长的10-12％，所述左反光部和右反光部的高度为相邻两所述反光角顶部之间距离的5-7％，所述左反光部和右反光部的外侧边缘之间的距离为相邻两所述反光角顶部之间距离的15-22％。
所述左反光部和右反光部的表面为平面。
所述左反光部和右反光部的表面为凹圆弧面。
本发明的优点是：本发明内打灯灯箱遮光补光装置，由于其包括左反光部、右反光部和连接左反光部和右反光部的遮光部，遮光部横截面为圆弧形，左反光部和右反光部相对称，左反光部和右反光部的对称面与灯管的中心线位于同一平面内。遮光部与灯管相配合，将直射到遮光部的光线挡住，强迫光线从灯管的前部和两侧射出，减少光线的损失，使灯箱柔光板上的光照度较强。而左反光部和右反光部则可对柔光板远离灯管的部位进行补光，并使柔光板上的光照度比较均匀。
附图说明
图1为本发明实施例一结构示意图
图2为本发明实施例二结构示意图
具体实施方式
如图1所示，本发明一种内打灯灯箱遮光补光装置，其特征在于：其为设置于灯箱灯管1和弧形反光板2之间的不透光体，包括左反光部3、右反光部4和连接左反光部3和右反光部4的遮光部5，遮光部5横截面为圆弧形，左反光部3和右反光部4相对称，左反光部3和右反光部4的对称面与灯管1的中心线位于同一平面内。
相邻两反光板2之间设有横截面呈三角形的反光角8，遮光部5的圆弧长度为灯管1周长的10-12％，左反光部3和右反光部4的高度H为相邻两反光角8顶部之间距离B的5-7％，左反光部3和右反光部4的外侧边缘之间的距离L为相邻两反光角8顶部之间距离B的15-22％。
左反光部3和右反光部4的表面为平面。
如图2所示，左反光部3和右反光部4的表面为凹圆弧面。
灯箱灯管1和柔光板6之间设有折光体7。
本发明内打灯灯箱遮光补光装置，由于其包括左反光部3、右反光部4和连接左反光部3和右反光部4的遮光部5，遮光部5横截面为圆弧形，左反光部3和右反光部4相对称，左反光部3和右反光部4的对称面与灯管1的中心线位于同一平面内。遮光部5与灯管1相配合，将直射到遮光部5的光线挡住，强迫该部分光线从灯管1的前部和两侧射出，减少光线的损失，使灯箱柔光板6上的光照度较强。而左反光部3和右反光部4则可对柔光板6远离灯管1的部位进行补光，并使柔光板6上的光照度比较均匀。
以上所述，仅为用来解释本发明之较佳实施例，并非企图据以对本发明做任何形式上的限制，所以凡是在本发明之创作精神下，所作的任何修饰或变更，皆仍应属于本发明意图保护之范围。

Claims (4)

1.一种内打灯灯箱遮光补光装置，其特征在于：其为设置于灯箱灯管和弧形反光板之间的不透光体，包括左反光部、右反光部和连接所述左反光部和右反光部的遮光部，所述遮光部横截面为圆弧形，所述左反光部和右反光部相对称，所述左反光部和右反光部的对称面与所述灯管的中心线位于同一平面内。
2.根据权利要求1所述的内打灯灯箱遮光补光装置，其特征在于：相邻两所述反光板之间设有横截面呈三角形的反光角，所述遮光部的圆弧长度为所述灯管周长的10-12％，所述左反光部和右反光部的高度为相邻两所述反光角顶部之间距离的5-7％，所述左反光部和右反光部的外侧边缘之间的距离为两所述反光角顶部之间距离的15-22％。
3.根据权利要求1或2所述的内打灯灯箱遮光补光装置，其特征在于：所述左反光部和右反光部的表面为平面。
4.根据权利要求1或2所述的内打灯灯箱遮光补光装置，其特征在于：所述左反光部和右反光部的表面为凹圆弧面。
CNB2004100986021A 2004-12-13 2004-12-13 内打灯灯箱遮光补光装置 Expired - Fee Related CN100373092C (zh)

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CNB2004100986021A CN100373092C (zh) 2004-12-13 2004-12-13 内打灯灯箱遮光补光装置
PCT/CN2004/001512 WO2006063490A1 (fr) 2004-12-13 2004-12-24 Dispositif d’eclairage attenue et compense d’un corps de lampe avec lampe interne

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100465503C (zh) * 2005-06-29 2009-03-04 王默文 灯管的反光装置
CN100466028C (zh) * 2005-08-19 2009-03-04 王默文 照明器的遮光反光装置
CN101649993B (zh) * 2008-08-15 2011-07-06 科峤工业股份有限公司 紫外线灯管的照射强度平衡装置
CN103325325A (zh) * 2013-05-28 2013-09-25 黄绮凡 节能广告灯箱模块以及节能广告灯箱

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207495A (en) * 1991-07-08 1993-05-04 Vemco Corporation Graphic arts light box
JPH08211385A (ja) * 1995-02-03 1996-08-20 Citizen Watch Co Ltd 液晶表示装置とその照明装置
CN2233591Y (zh) * 1995-01-19 1996-08-21 连云港市对外贸易公司 一种暗室安全灯
CN2656813Y (zh) * 2003-09-24 2004-11-17 高晋占 声光报警灯具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207495A (en) * 1991-07-08 1993-05-04 Vemco Corporation Graphic arts light box
CN2233591Y (zh) * 1995-01-19 1996-08-21 连云港市对外贸易公司 一种暗室安全灯
JPH08211385A (ja) * 1995-02-03 1996-08-20 Citizen Watch Co Ltd 液晶表示装置とその照明装置
CN2656813Y (zh) * 2003-09-24 2004-11-17 高晋占 声光报警灯具

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