CN201504335U - 一种高效led电源 - Google Patents

一种高效led电源 Download PDF

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Publication number
CN201504335U
CN201504335U CN2009200212669U CN200920021266U CN201504335U CN 201504335 U CN201504335 U CN 201504335U CN 2009200212669 U CN2009200212669 U CN 2009200212669U CN 200920021266 U CN200920021266 U CN 200920021266U CN 201504335 U CN201504335 U CN 201504335U
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China
Prior art keywords
power supply
capacitor
diode
efficiency led
led power
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Expired - Fee Related
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CN2009200212669U
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English (en)
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张国华
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Individual
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Individual
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Abstract

一种高效LED电源，其特殊之处在于：它包括电容器，电阻，二极管，电源经由电容器与电阻并联电路降压，再由二极管组成的桥式整流电路整流，经电容器滤波和二极管限压后对LED供电。由于采用这样的结构，与现有技术相比，省去了串联电阻，使电源的功率损耗几乎减小到零。

Description

一种高效LED电源
技术领域
本实用新型涉及一种电源。
背景技术
目前现有技术，有阻容供电电路，因为用电阻限流，电源本身损耗电能太大，尤其对于大功率LED已无实用价值。
发明内容
本实用新型的目的是：提供一种高效LED电源，它结构简单，成本低，供电效率高。
本实用新型是这样实现的：一种高效LED电源，其特殊之处在于：它包括电容器，电阻，二极管，电源经由电容器与电阻并联电路降压，再由二极管组成的桥式整流电路整流，经电容器滤波和二极管限压后对LED供电。
本实用新型一种高效LED电源，由于采用这样的结构，与现有技术相比，省去了串联电阻，使电源的功率损耗几乎减小到零。
附图说明
图1是本实用新型的电原理图。
具体实施方式
下面结合附图对本实用新型作进一步描述。
如图1所示，一种高效LED电源，其特征在于：它包括电容器C1、C2，电阻R1，二极管D1、D2、D3、D4、D5，电源经由电容器C1与电阻R1并联电路降压，再由二极管D1～D4组成的桥式整流电路整流，经电容器C2滤波和二极管D5限压后对LED供电。它省去了串联电阻，使电源的功率损耗几乎减小到零。LED可以串联、并联或混联。

Claims (1)

1.一种高效LED电源，其特征在于：它包括电容器C1、C2，电阻R1，二极管D1、D2、D3、D4、D5，电源经由电容器C1与电阻R1并联电路降压，再由二极管D1～D4组成的桥式整流电路整流，经电容器C2滤波和二极管D5限压后对LED供电。
CN2009200212669U 2009-04-18 2009-04-18 一种高效led电源 Expired - Fee Related CN201504335U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200212669U CN201504335U (zh) 2009-04-18 2009-04-18 一种高效led电源

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200212669U CN201504335U (zh) 2009-04-18 2009-04-18 一种高效led电源

Publications (1)

Publication Number Publication Date
CN201504335U true CN201504335U (zh) 2010-06-09

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Family Applications (1)

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CN2009200212669U Expired - Fee Related CN201504335U (zh) 2009-04-18 2009-04-18 一种高效led电源

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CN (1) CN201504335U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101861026A (zh) * 2010-06-14 2010-10-13 吴承斌 Led节能灯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101861026A (zh) * 2010-06-14 2010-10-13 吴承斌 Led节能灯

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100609

Termination date: 20130418