CN203927817U - Heat abstractor for LED lighting - Google Patents

Heat abstractor for LED lighting Download PDF

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Publication number
CN203927817U
CN203927817U CN201320851019.8U CN201320851019U CN203927817U CN 203927817 U CN203927817 U CN 203927817U CN 201320851019 U CN201320851019 U CN 201320851019U CN 203927817 U CN203927817 U CN 203927817U
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CN
China
Prior art keywords
heat
row
pipe radiator
fin
heat abstractor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320851019.8U
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Chinese (zh)
Inventor
郑利君
钱新明
陈威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huzhou Mingshuo Optoelectronic Technology Co ltd
Original Assignee
HUZHOU MINGWANG LIGHTING TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUZHOU MINGWANG LIGHTING TECHNOLOGY Co Ltd filed Critical HUZHOU MINGWANG LIGHTING TECHNOLOGY Co Ltd
Priority to CN201320851019.8U priority Critical patent/CN203927817U/en
Application granted granted Critical
Publication of CN203927817U publication Critical patent/CN203927817U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a kind of heat abstractor for LED lighting, it is characterized in that: described heat abstractor is row's formula heat-pipe radiator, described row's formula heat-pipe radiator is a special-shaped heat pipe, near heat-conducting silicone grease layer is the evaporation cavity of hollow, this evaporation cavity is the evaporation ends of row's formula heat-pipe radiator, away from heat-conducting silicone grease layer be the fin of a plurality of hollows, described fin forms the condensation end of row's formula heat-pipe radiator, and the hollow space of fin and evaporation cavity are connected.The novel high-power LED lighting fixture heat abstractor that the utility model provides, its radiating effect is good, and saving resource, raises the efficiency greatly.

Description

Heat abstractor for LED lighting
Technical field
The utility model relates to field of light fittings, specifically, relates in particular to a kind of heat abstractor for LED lighting.
Background technology
LED (Light Emitting Diode) is light emitting diode, compare with fluorescent lamp with incandescent lamp, rely on the series of advantages such as its volume is little, all solid state, long-life, environmental protection, power saving, at automotive lighting, decorative lighting, mobile phone flashlight, big-and-middle size display screen light source module, be used widely, be called as the 4th generation lighting source or green light source, realize true color and high brightness, and produced white light LEDs, brought the mankind's jumping again in history of throwing light on.Yet great power LED is faced with a heat dissipation problem, the electric energy 70%~85% of existing LED input has changed into heat, and LED chip is very little, bad if dispelled the heat, can make chip temperature raise, causing that thermal stress distribution inequality, chip light emitting Efficiency Decreasing, fluorescent material swash penetrates decrease in efficiency, and then causes LED chip to shorten deteriorated, device lifetime fast, so the design of LED encapsulation and lamp heat-radiating device thereof is a good problem to study.
At present, the most general radiating mode be under base plate for packaging, install additional heat sink, and by changing heat sink structure to obtain best radiating effect.Traditional technology has adopted the external cooling modes such as free convection, micro jet flow are cooling, microchannel refrigeration, thermoelectric cooling, hot pipe technique to solve a heat radiation difficult problem for great power LED.The application combines Natural Heat Convection condition and hot pipe technique, has developed a kind of novel row's formula heat-pipe radiator, and under large space free convection cooling condition, it has been carried out to experimental study.
Utility model content
The utility model, for the poor problem of radiating effect of current high-power LED lighting fixture existence, provides a kind of heat abstractor of novel high-power LED lighting fixture, and its radiating effect is good.
For solving the problems of the technologies described above, the utility model provides a kind of novel high-power LED lighting fixture, it comprises heat abstractor, above heat abstractor, be provided with heat-conducting silicone grease layer, above heat-conducting silicone grease layer, be provided with metal base printed circuit board, above metal base printed circuit board, be provided with copper foil layer, above copper foil layer, be provided with ceramic substrate, be provided with LED chip and lens in ceramic substrate, described heat abstractor is row's formula heat-pipe radiator.
Described row's formula heat-pipe radiator is a special-shaped heat pipe, near heat-conducting silicone grease layer is the evaporation cavity of hollow, this evaporation cavity is the evaporation ends of row's formula heat-pipe radiator, away from heat-conducting silicone grease layer is the fin of a plurality of hollows, described fin forms the condensation end of row's formula heat-pipe radiator, and the hollow space of fin and evaporation cavity are connected.
Described row's formula heat-pipe radiator appearance and size is 150mm * 120mm * 120mm, and condensation end height is 100mm, and evaporation ends height is 20mm.
At described evaporation cavity, near the top of heat-conducting silicone grease layer, having thickness is 5mm metal fiber felt.
Described fin be preferably 13~15.
The hollow structure of described fin is cuboid cavity, and preferred size is 3mm * 106mm * 99mm.
The wall thickness of described fin is 1mm.
Described evaporation ends wall thickness is 4mm, it is inner form one in sky be the cavity of 142mm * 108mm * 16mm.
Useful technique effect
Novel high-power LED lighting fixture and heat abstractor thereof that the utility model provides, its radiating effect is good, and saving resource, raises the efficiency greatly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model high-power LED lighting fixture;
Fig. 2 is the structure chart of the utility model heat abstractor.
The specific embodiment
The utility model provides a kind of novel high-power LED lighting fixture, it comprises heat abstractor, above heat abstractor, be provided with heat-conducting silicone grease layer, above heat-conducting silicone grease layer, be provided with metal base printed circuit board, above metal base printed circuit board, be provided with copper foil layer, above copper foil layer, be provided with ceramic substrate, in ceramic substrate, be provided with LED chip and lens, described heat abstractor is row's formula heat-pipe radiator.
Described row's formula heat-pipe radiator is a special-shaped heat pipe, near heat-conducting silicone grease layer is the evaporation cavity of hollow, this evaporation cavity is the evaporation ends of row's formula heat-pipe radiator, away from heat-conducting silicone grease layer is the fin of a plurality of hollows, described fin forms the condensation end of row's formula heat-pipe radiator, and the hollow space of fin and evaporation cavity are connected.
Described row's formula heat-pipe radiator appearance and size is 150mm * 120mm * 120mm, and condensation end height is 100mm, and evaporation ends height is 20mm.
At described evaporation cavity, near the top of heat-conducting silicone grease layer, having thickness is 5mm metal fiber felt.
Described fin be preferably 13~15.
The hollow structure of described fin is cuboid cavity, and preferred size is 3mm * 106mm * 99mm.
The wall thickness of described fin is 1mm.
Described evaporation ends wall thickness is 4mm, it is inner form one in sky be the cavity of 142mm * 108mm * 16mm.
Below adopt embodiment to describe embodiments of the present invention in detail, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure of reaching technique effect can fully understand and implement according to this.
As shown in Figure 1, high-power LED lighting fixture comprises heat abstractor 1, above heat abstractor 1, be provided with heat-conducting silicone grease layer 2, above heat-conducting silicone grease layer 2, be provided with metal base printed circuit board 3, above metal base printed circuit board 3, be provided with copper foil layer 4, above copper foil layer 4, be provided with ceramic substrate 5, in ceramic substrate 5, be provided with LED chip and lens 6.
As shown in Figure 2, described row's formula heat-pipe radiator is a special-shaped heat pipe, near heat-conducting silicone grease layer is the evaporation cavity 7 of hollow, this evaporation cavity is the evaporation ends of row's formula heat-pipe radiator, away from heat-conducting silicone grease layer is the fin 8 of a plurality of hollows, described fin forms the condensation end of row's formula heat-pipe radiator, and the hollow space of fin and evaporation cavity are connected.
At described evaporation cavity 7, near the top of heat-conducting silicone grease layer, having thickness is 5mm metal fiber felt 9.
All above-mentioned these intellectual properties of primary enforcement, do not set restriction this new product of other forms of enforcement and/or new method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on the utility model new product.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims (5)

1. the heat abstractor for LED lighting, it is characterized in that: described heat abstractor is row's formula heat-pipe radiator, described row's formula heat-pipe radiator is a special-shaped heat pipe, near heat-conducting silicone grease layer is the evaporation cavity of hollow, this evaporation cavity is the evaporation ends of row's formula heat-pipe radiator, away from heat-conducting silicone grease layer be the fin of a plurality of hollows, described fin forms the condensation end of row's formula heat-pipe radiator, and the hollow space of fin and evaporation cavity are connected; Described row's formula heat-pipe radiator appearance and size is 150mm * 120mm * 120mm, and condensation end height is 100mm, and evaporation ends height is 20mm; At described evaporation cavity, near the top of heat-conducting silicone grease layer, having thickness is 5mm metal fiber felt.
2. heat abstractor as claimed in claim 1, is characterized in that: described fin is 13~15.
3. heat abstractor as claimed in claim 1 or 2, is characterized in that: the hollow structure of described fin is cuboid cavity, is of a size of 3mm * 106mm * 99mm.
4. heat abstractor as claimed in claim 1 or 2, is characterized in that: the wall thickness of described fin is 1mm.
5. heat abstractor as claimed in claim 1 or 2, is characterized in that: described evaporation ends wall thickness is 4mm, it is inner form one in sky be the cavity of 142mm * 108mm * 16mm.
CN201320851019.8U 2013-12-23 2013-12-23 Heat abstractor for LED lighting Expired - Fee Related CN203927817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320851019.8U CN203927817U (en) 2013-12-23 2013-12-23 Heat abstractor for LED lighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320851019.8U CN203927817U (en) 2013-12-23 2013-12-23 Heat abstractor for LED lighting

Publications (1)

Publication Number Publication Date
CN203927817U true CN203927817U (en) 2014-11-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320851019.8U Expired - Fee Related CN203927817U (en) 2013-12-23 2013-12-23 Heat abstractor for LED lighting

Country Status (1)

Country Link
CN (1) CN203927817U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028869A (en) * 2021-03-12 2021-06-25 西安交通大学 Loop thermosiphon fin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113028869A (en) * 2021-03-12 2021-06-25 西安交通大学 Loop thermosiphon fin

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Effective date of registration: 20160613

Address after: 504 room 313000, Nanxun science and technology pioneer garden, 666 Chaoyang Road, Nanxun Town, Zhejiang, Huzhou, China

Patentee after: HUZHOU MINGSHUO OPTOELECTRONIC TECHNOLOGY Co.,Ltd.

Address before: Zone 313100 Zhejiang province Changxing County Xian Xiang Industry

Patentee before: HUZHOU MINGWANG LIGHTING TECHNOLOGY Co.,Ltd.

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Addressee: Patent director of Huzhou Mingshuo Photoelectric Technology Co.,Ltd.

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Granted publication date: 20141105

Termination date: 20211223

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