CN201845809U - 集成式大功率led光源模组导热基板 - Google Patents

集成式大功率led光源模组导热基板 Download PDF

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CN201845809U
CN201845809U CN2010205595449U CN201020559544U CN201845809U CN 201845809 U CN201845809 U CN 201845809U CN 2010205595449 U CN2010205595449 U CN 2010205595449U CN 201020559544 U CN201020559544 U CN 201020559544U CN 201845809 U CN201845809 U CN 201845809U
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heat
light source
conducting substrate
source module
shaped cavity
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罗业富
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • H10W90/701Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/756Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink

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Abstract

本集成式大功率LED光源模组导热基板包括导热基板和封闭的螺杆形空腔,导热基板上面有PCB薄膜和用于固定连接LED模组芯片的支架,导热基板下面有一个与之固连为一体的封闭的螺杆形空腔,螺杆形空腔内部充满导热油。本实用新型将平板式导热基板改为平板下面固连螺杆形空腔的导热基板,在导热基板的螺杆形空腔中加入导热油,利用导热油优越的导热物理特性,迅速地将热量传遍整个导热基板表面,再通过外加的散热器鳍片与空气交换热量,把热量带走,从而有效提高集成式大功率高亮度LED光源模组的使用寿命。

Description

集成式大功率LED光源模组导热基板
技术领域
本实用新型涉及一种LED光源模组导热基板,特别是一种主要以导热油传递热量散热降温的集成式大功率LED光源模组导热基板。
背景技术
已有的大功率高亮度LED光源模组导热基板多为平板式导热基板,将LED光源模组直接封装在一片铜板上,并涂抹导热硅胶,LED光源模组的温度借助导热硅胶把热量传递到外加装的散热器上散热。由于其与散热器接触面积的因素,以及散热器翅片布置方式的原因,直接影响了导热和散热效果,导致基板温度与散热器温度分布严重不均匀。这是造成大功率LED光源模组寿命减短的主要因素。
发明内容
鉴于日前大功率LED光源模组散热技术存在的问题,本实用新型的目的是设计一种结构简单、能快速、均匀地将热量传递出去的大功率高亮度LED光源模组导热基板。
本实用新型通过采取的新颖的结构实现了上述设计目的:
本实用新型是一种集成式大功率LED光源模组导热基板,其特征在于该LED光源模组导热基板包括导热基板和封闭的螺杆形空腔,导热基板上面有PCB薄膜和用于固定连接LED光源芯片的支架,导热基板下面与封闭的螺杆形空腔固连为一体,螺杆形空腔内部充满导热油。
本实用新型将平板式导热基板改为平板下面固连螺杆形空腔的导热基板,在导热基板的螺杆形空腔中加入导热油,利用导热油优越的导热物理特性,迅速地将热量传遍整个导热基板表面,再通过外加的散热器鳍片与空气交换热量,把热量带走,从而有效提高集成式大功率高亮度LED光源模组的使用寿命。
附图说明
图1是本实用新型大功率LED光源模组导热基板的结构示意图。
图2是外加散热器的散热原理图。
具体实施方式
实施例1
如图1所示,本实用新型大功率LED光源模组导热基板包括导热基板1和封闭的螺杆形空腔4,导热基板1上面有PCB薄膜2和用于固定连接LED光源模组芯片的支架3,导热基板1下面与封闭的螺杆形空腔4固连为一体,螺杆形空腔内部充满导热油5。
图2所示,是将本大功率LED光源模组导热基板与散热器6装配在一起,给大功率LED光源模组7散热降温。大功率LED光源模组7由支架3固定在导热基板1上,其工作产生的热量通过PCB薄膜2和导热基板1传递给螺杆空腔中的导热油,由导热油的物理特性,热量迅速、均匀地传遍空腔中的导热油和整个导热基板表面,并经由空心螺杆表面传递给散热器6,由散热器的鳍片与空气进行热交换,将热量散发到空气中,从而有效提高集成式大功率高亮度LED光源模组的使用寿命。
本实施例中:导热油采用45号变压器冷却油。其性能特点:凝固点低、颜色浅,具有良好的低温性、冷却性、优良的绝缘性和抗氧化安定性。

Claims (1)

1.一种集成式大功率LED光源模组导热基板,其特征在于该LED光源模组导热基板包括导热基板和封闭的螺杆形空腔,导热基板上面有PCB薄膜和用于固定连接LED光源芯片的支架,导热基板下面与封闭的螺杆形空腔固连为一体,螺杆形空腔内部充满导热油。
CN2010205595449U 2010-10-13 2010-10-13 集成式大功率led光源模组导热基板 Expired - Fee Related CN201845809U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447039A (zh) * 2010-10-13 2012-05-09 罗业富 集成式大功率led光源模组导热基板
CN106847974A (zh) * 2017-03-23 2017-06-13 成都聚合追阳科技有限公司 低倍聚光光伏条段阶梯交错形散热翅散热模块

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102447039A (zh) * 2010-10-13 2012-05-09 罗业富 集成式大功率led光源模组导热基板
CN106847974A (zh) * 2017-03-23 2017-06-13 成都聚合追阳科技有限公司 低倍聚光光伏条段阶梯交错形散热翅散热模块

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