CN202085358U - 一种为以发光二极管为光源的灯具改变功率的装置 - Google Patents

一种为以发光二极管为光源的灯具改变功率的装置 Download PDF

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CN202085358U
CN202085358U CN201120162985XU CN201120162985U CN202085358U CN 202085358 U CN202085358 U CN 202085358U CN 201120162985X U CN201120162985X U CN 201120162985XU CN 201120162985 U CN201120162985 U CN 201120162985U CN 202085358 U CN202085358 U CN 202085358U
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light
power
light source
led
source
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张志国
黄苏
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Dalian Zhongda Energy Management Co Ltd
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Abstract

一种为以发光二极管为光源的灯具改变功率的装置，采用在发光二极管光源与供电电源之间串接降功率电阻，该降功率电阻还与人体感应器的控制开关并联，能使使用发光二极管做光源的灯具以不同的功率运行。

Description

一种为以发光二极管为光源的灯具改变功率的装置
所属技术领域
本实用新型涉及一种为以发光二极管为光源的灯具改变功率的装置。 
背景技术
目前，发光二极管做为新型节能光源随着价格的下降，在公共场所使用的灯具很多都采用LED做为光源，并配有人体感应控制器，做到人来灯亮，人走灯灭。但是这对于一些特定的场所的需要，仍有不足之处：这种以固定功率来使用的灯具，人来时灯由熄灭到点亮，灯的照度变化很大，会给人带来视觉的不适；无人时灯具则完全熄灭，不能满足有安保监控装置的需要。使用本使用新型技术的灯具可以做到人来时足功率点亮，人走时低功率点亮，解决了以上不足。 
发明内容
本实用新型提供一种装置，该装置能使使用发光二极管做光源的灯具以不同的功率运行。 
本实用新型解决其技术问题所采用的技术方案是：在发光二极管光源与供电电源之间串接降功率电阻，该降功率电阻还与人体感应器的控制开关并联，该开关可以是继电器开关或电子开关，通过该开关短路或开路来调整发光二极管的功率，该开关开路时为低功率运行。具体连接如附图：发光二极管光源的直流供电电源的正极(V+)连接人体感应器的控制开关(SW)的上端及变功率电阻(R)的上端，人体感应器的控制开关(SW)的下端连接变功率电阻(R)的下端及发光二极管光源的正极，发光二极管光源的负极连接发光二极管光源的直流供电电源的负极(V-)。 
本实用新型的有益效果是：当无人时，以发光二极管为光源的灯具会以低 功率运行，这样既可以满足安保监控的需要又可以降低有人与无人时发光照度的差别，适应人眼的视觉需要，同时降低无人时的能源的消耗。 
附图说明
附图为本实用新型的电气连接原理图 
附图中，R为降功率电阻，SW为人体感应控制器的控制开关，V+为发光二极管的直流供电电源正极，V-为发光二极管直流供电电源负极。 
具体实施方式
按照附图的连接方式正确连接，具体连接如附图：发光二极管光源的直流供电电源的正极(V+)连接人体感应器的控制开关(SW)的上端及变功率电阻(R)的上端，人体感应器的控制开关(SW)的下端连接变功率电阻(R)的下端及发光二极管光源的正极，发光二极管光源的负极连接发光二极管光源的直流供电电源的负极(V-)，即可实现本实用新型的技术要求，根据低功率运行时的照度求计算选择参数适当的变功率电阻。 

Claims (2)

1.一种为以发光二极管为光源的灯具改变功率的装置，其特征是：在发光二极管光源与供电电源之间串接降功率电阻。
2.根据权利要求1所述的为以发光二极管为光源的灯具改变功率的装置，其特征是：降功率电阻与人体感应器的控制开关并联。 
CN201120162985XU 2011-05-17 2011-05-17 一种为以发光二极管为光源的灯具改变功率的装置 Expired - Fee Related CN202085358U (zh)

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CN201120162985XU CN202085358U (zh) 2011-05-17 2011-05-17 一种为以发光二极管为光源的灯具改变功率的装置

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CN201120162985XU CN202085358U (zh) 2011-05-17 2011-05-17 一种为以发光二极管为光源的灯具改变功率的装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103917026A (zh) * 2014-04-11 2014-07-09 吴文武 一种照明设备的调档器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103917026A (zh) * 2014-04-11 2014-07-09 吴文武 一种照明设备的调档器

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