CN106678696A - 一种led汽车头灯散热装置 - Google Patents

一种led汽车头灯散热装置 Download PDF

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CN106678696A
CN106678696A CN201710131724.3A CN201710131724A CN106678696A CN 106678696 A CN106678696 A CN 106678696A CN 201710131724 A CN201710131724 A CN 201710131724A CN 106678696 A CN106678696 A CN 106678696A
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head lamp
led automobile
automobile head
heat abstractor
lamp heat
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CN106678696B (zh
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徐宝洲
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Zhongshan Eaststar Optoelectronics Technology Co ltd
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Priority to TW106205708U priority patent/TWM554861U/zh
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Priority to US15/614,529 priority patent/US20180259172A1/en
Priority to US15/616,763 priority patent/US20180259150A1/en
Priority to US15/640,579 priority patent/US20180259151A1/en
Priority to JP2017138662A priority patent/JP2018148192A/ja
Priority to CA2980207A priority patent/CA2980207A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
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    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
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    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
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    • F21—LIGHTING
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    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • F21K9/275—Details of bases or housings, i.e. the parts between the light-generating element and the end caps; Arrangement of components within bases or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
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    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
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    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
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    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
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    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21V29/50—Cooling arrangements
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    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • C10M2229/025—Unspecified siloxanes; Silicones used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21Y2115/10—Light-emitting diodes [LED]

Abstract

本发明公开了一种LED汽车头灯散热装置，LED汽车头灯散热装置设置在LED汽车灯泡处，LED汽车头灯散热装置包括至少一组可产生形变的鳍片式散热片组，鳍片式散热片组的一端与散热座连接，鳍片式散热片组由至少两片铝制散热片组成，本申请通过使用大面积的铝鳍片散热，并且鳍片式散热片组可以结合汽车灯总成自由弯曲变形，可以提高散热性能。

Description

一种LED汽车头灯散热装置
技术领域
本发明涉及LED散热领域，特别涉及一种LED汽车头灯散热装置。
背景技术
目前市场上的LED汽车灯散热器主要是用铝、铜材质的固有的散热方式，这些散热器普遍受制于汽车总成的空间不够，从而限制后装LED汽车灯体积过大，散热体无法有效灵活地分布在灯光总成里面。
而传统的柔性散热体所用的编织带很容易叠加在一块，形成热量的堆积，市面上的柔性散热带的成本不易控制、性能不稳定，材料成型难度高，加工程序复杂。
发明内容
本发明所要解决的技术问题是提供一种LED汽车头灯散热装置，结合LED汽车灯的散热需求，用大面积的铝鳍片散热，鳍片可以结合汽车灯总成自由弯曲变形，放到相对宽阔的地方，以解决现有技术导致的上述多项缺陷。
为实现上述目的，本发明提供以下的技术方案：一种LED汽车头灯散热装置，其中，LED汽车头灯散热装置设置在LED汽车灯泡处，LED汽车头灯散热装置包括至少一组可产生形变的鳍片式散热片组，鳍片式散热片组的一端与散热座连接，鳍片式散热片组由至少两片铝制散热片组成。
优选的，铝制散热片上设置有多个通风孔。
优选的，至少两片铝制散热片之间设置有限位块，其中，限位块用于防止至少两片铝制散热片叠合。
优选的，当至少两片铝制散热片上下设置时，限位块以等间距设置于相邻的两片铝制散热片之间。
优选的，铝制散热片的厚度在0.1-2.5mm之间。
优选的，当LED汽车头灯散热装置包括至少两组鳍片式散热片组时，鳍片式散热片组均匀周向排列。
优选的，当LED汽车头灯散热装置包括两组鳍片式散热片组时，两组鳍片式散热片组呈一字设置。
优选的，当LED汽车头灯散热装置包括四组鳍片式散热片组时，四组鳍片式散热片组呈十字设置。
优选的，鳍片式散热片组设置在散热座的侧壁，散热座的轴线位置设有定位孔，LED汽车头灯设置在定位孔内，散热座由铝材料制成。
优选的，散热座由多个铝块自上而下通过紧固件连接而成，每一鳍片式散热片组的至少两片铝制散热片的一端与多个铝块的侧壁一一对应连接。
采用以上技术方案的有益效果是：本发明结构的LED汽车头灯散热装置，该鳍片式散热片组用在LED汽车灯可以解决灯的无法变形，不可以有效利用汽车灯光总成的空间等缺陷；可以充分利用鳍片式散热片组的变形充分利用汽车灯总成的有限空间，并提高散热性能。
附图说明
图1是根据本发明实施例的一种可选的LED汽车头灯散热装置的结构示意图；
图2是根据本发明实施例的一种可选的LED汽车头灯散热装置中鳍片式散热片组的结构示意图；
图3是根据本发明实施例的一种可选的LED汽车头灯散热装置的鳍片式散热片组的侧视图。
其中，1--鳍片式散热片组、2—铝制散热片、3--LED汽车头灯、4--定位孔、5--铝块、6--螺栓、7--通风孔、8--限位块、9—散热座。
具体实施方式
根据本发明实施例，提供了一种LED汽车头灯散热装置，LED汽车头灯散热装置设置在LED汽车灯泡处，LED汽车头灯散热装置包括至少一组可产生形变的鳍片式散热片组，鳍片式散热片组的一端与散热座连接，鳍片式散热片组由至少两片铝制散热片组成。
具体地，LED汽车头灯散热装置可以包括一组或者多组鳍片式散热片组，鳍片式散热片组相对容易变形，并且不易主动变形，在鳍片式散热片组在安装时，可以由安装人员固定位置，在位置固定后，鳍片式散热片组不会变形。
需要说明的是，鳍片式散热片组可以由多片铝制散热片组成，可以增加散热面积，提高散热效果。
在本申请实施例中，通过上述LED汽车头灯散热装置设置在LED汽车头灯处，LED汽车头灯散热装置包括至少一组可产生形变的鳍片式散热片组，鳍片式散热片组的一端与散热座连接，鳍片式散热片组由至少两片铝制散热片组成的方法，充分利用鳍片式散热片组的变形充分利用汽车灯总成的有限空间，在提高空间使用率的基础上，提高散热效率，减少故障发生几率。
可选地，铝制散热片上设置有多个通风孔。
具体地，在铝制散热片上设置通风孔，通风孔可以形成热流的对流，从而加快散热，增加散热面积，提高散热效果。
可选地，至少两片铝制散热片之间设置有限位块，其中，限位块用于防止至少两片铝制散热片叠合。
具体地，限位块可以限定两片铝制散热片的相对位置，防止铝制散热片叠合在一起，避免因散热片叠合在一起造成的散热效果下降，以及因散热效果下降对汽车部件造成的损害，从而保证了LED汽车头灯散热装置的工作时的效率，提高LED汽车头灯散热装置工作时的安全性。
可选地，当至少两片铝制散热片上下设置时，限位块以等间距设置于相邻的两片铝制散热片之间。
可选地，铝制散热片的厚度在0.1-2.5mm之间。
可选地，当LED汽车头灯散热装置包括至少两组鳍片式散热片组时，鳍片式散热片组均匀周向排列。
具体地，当LED汽车头灯散热装置包括二组及二组以上的鳍片式散热片组时，鳍片式散热片组可以是均匀设置，鳍片式散热片组两两之间的夹角度数可以是相同的。
可选地，当LED汽车头灯散热装置包括两组鳍片式散热片组时，两组鳍片式散热片组呈一字设置。
可选地，当LED汽车头灯散热装置包括四组鳍片式散热片组时，四组鳍片式散热片组呈十字设置。
可选地，鳍片式散热片组设置在散热座的侧壁，散热座的轴线位置设有定位孔，LED汽车头灯设置在定位孔内，散热座由铝材料制成。
可选地，散热座由多个铝块自上而下通过紧固件连接而成，每一鳍片式散热片组的至少两片铝制散热片的一端与多个铝块的侧壁一一对应连接。
具体地，鳍片式散热片组中的每一片铝制散热片的一端可以依序设置在多个铝块中相邻的两个铝块之间。其中，铝制散热片的数量与铝块的数量可以相同也可以不同。例如，铝制散热片的数量可以是4片，铝块的数量可以是4块，可以是5块，也可以是6块，可以根据实际情况进行设置。
需要说明是，经过实际测算，本申请实施例中的LED汽车头灯散热装置，在同等表面积的条件下，散热效果提高50％，相比传统的散热器散热快60％。
下面结合具体应用场景，详细说明本发明的一种可选的实施方式。以LED汽车头灯散热装置包含两组可产生形变的鳍片式散热片组为例，图1是根据本发明实施例的一种可选的LED汽车头灯散热装置的结构示意图；图2是根据本发明实施例的一种可选的LED汽车头灯散热装置中鳍片式散热片组的结构示意图；图3是根据本发明实施例的一种可选的LED汽车头灯散热装置的鳍片式散热片组的侧视图，如图1、图2和图3所示：一种LED汽车头灯散热装置，该散热装置设置在LED汽车头灯3处，所述散热装置为由铝制散热片2组成的鳍片式散热片组1，铝制散热片2由铝片冲压成型。鳍片式散热片组1的一端与散热座9连接。
鳍片式散热片组1设置在散热座的侧壁，散热座的轴线位置设有定位孔4，LED汽车头灯3设置在定位孔4内，该散热座由铝材料制成。
散热座由多个铝块5自上而下通过螺栓6固定而成，铝制散热片2设置在两个铝块5之间；铝制散热片2上设有通风孔7，铝制散热片2上设有限位块8。
本发明结构的LED汽车头灯散热装置，该鳍片式散热片组用在LED汽车灯可以解决灯的无法变形，不可以有效利用汽车灯光总成的空间等缺陷；可以充分利用鳍片式散热片组的变形充分利用汽车灯总成的有限空间；散热片增加通风孔、限位块令鳍片式散热片组不易叠加在一起。
还需要说明的是，与现有的柔性散热带相比，柔性散热带的成本不易控制、性能不稳定，材料成型高，加工程序复杂，本申请实施例中的LED汽车头等散热装置中的鳍片式散热片组成本低，获取容易，加工简易，可以降低加工成本，提高生产效率。
以上所述的仅是本发明的优选实施方式，应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (10)

1.一种LED汽车头灯散热装置，所述LED汽车头灯散热装置设置在LED汽车灯泡处，其特征在于，所述LED汽车头灯散热装置包括至少一组可产生形变的鳍片式散热片组，所述鳍片式散热片组的一端与散热座连接，所述鳍片式散热片组由至少两片铝制散热片组成。
2.根据权利要求1所述的LED汽车头灯散热装置，其特征在于，所述铝制散热片上设置有多个通风孔。
3.根据权利要求2所述的LED汽车头灯散热装置，其特征在于，所述至少两片铝制散热片之间设置有限位块，其中，所述限位块用于防止所述至少两片铝制散热片叠合。
4.根据权利要求3所述的LED汽车头灯散热装置，其特征在于，当所述至少两片铝制散热片上下设置时，所述限位块以等间距设置于相邻的两片所述铝制散热片之间。
5.根据权利要求3所述的LED汽车头灯散热装置，其特征在于，所述铝制散热片的厚度在0.1-2.5mm之间。
6.根据权利要求3所述的LED汽车头灯散热装置，其特征在于，当所述LED汽车头灯散热装置包括至少两组所述鳍片式散热片组时，所述鳍片式散热片组均匀周向排列。
7.根据权利要求6所述的LED汽车头灯散热装置，其特征在于，当所述LED汽车头灯散热装置包括两组所述鳍片式散热片组时，两组所述鳍片式散热片组呈一字设置。
8.根据权利要求6所述的LED汽车头灯散热装置，其特征在于，当所述LED汽车头灯散热装置包括四组所述鳍片式散热片组时，四组所述鳍片式散热片组呈十字设置。
9.根据权利要求1所述的LED汽车头灯散热装置，其特征在于，所述鳍片式散热片组设置在所述散热座的侧壁，所述散热座的轴线位置设有定位孔，LED汽车头灯设置在所述定位孔内，所述散热座由铝材料制成。
10.根据权利要求9所述的LED汽车头灯散热装置，其特征在于，所述散热座由多个铝块自上而下通过紧固件连接而成，每一所述鳍片式散热片组的所述至少两片铝制散热片的一端与所述多个铝块的侧壁一一对应连接。
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CN107965735A (zh) * 2017-12-26 2018-04-27 上海小糸车灯有限公司 用于汽车车灯的散热结构
CN108488757A (zh) * 2018-03-21 2018-09-04 火丁智能照明（珠海）有限公司 一种散热片、散热装置及led汽车头灯
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CN107965735A (zh) * 2017-12-26 2018-04-27 上海小糸车灯有限公司 用于汽车车灯的散热结构
CN108488757A (zh) * 2018-03-21 2018-09-04 火丁智能照明（珠海）有限公司 一种散热片、散热装置及led汽车头灯
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