CN102287644A - High-power light-emitting diode (LED) lamp with double radiating mechanisms of heat conduction and convectional radiating - Google Patents

High-power light-emitting diode (LED) lamp with double radiating mechanisms of heat conduction and convectional radiating Download PDF

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Publication number
CN102287644A
CN102287644A CN2011102137522A CN201110213752A CN102287644A CN 102287644 A CN102287644 A CN 102287644A CN 2011102137522 A CN2011102137522 A CN 2011102137522A CN 201110213752 A CN201110213752 A CN 201110213752A CN 102287644 A CN102287644 A CN 102287644A
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China
Prior art keywords
lamp
heat
radiating substrate
radiating
led
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Pending
Application number
CN2011102137522A
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Chinese (zh)
Inventor
钱峻
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Shenzhen Neork Technology Co Ltd
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Shenzhen Neork Technology Co Ltd
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Application filed by Shenzhen Neork Technology Co Ltd filed Critical Shenzhen Neork Technology Co Ltd
Priority to CN2011102137522A priority Critical patent/CN102287644A/en
Publication of CN102287644A publication Critical patent/CN102287644A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a high-power light-emitting diode (LED) lamp with double radiating mechanisms of heat conduction and convectional radiating. The high-power LED lamp comprises lamp heads which are arranged at the two ends, a lamp body which is positioned between the lamp heads, and an internal radiating substrate, wherein the lamp body consists of a lamp shade and an external radiating substrate which is connected with the lamp shade; the internal radiating substrate is directly connected with the external radiating substrate and positioned inside the lamp body, protrudes toward the inner side of the lamp body and comprises a platform in the middle and slopes on the two sides; the internal radiating substrate and the external radiating substrate form a convection chamber; a circuit board on which LED lamp beads are arranged is directly fixed on the platform; and a plurality of vent holes are formed on the slopes on the two sides of the internal radiating substrate and on the external radiating substrate respectively. For the high-power LED lamp, the heat conduction is combined with the convectional radiating, so that the high-power LED lamp has a good radiating effect, a simple and practical structure and popularization and application value and is energy-saving and low-carbon, and the service life of high-power LEDs is greatly prolonged.

Description

The high-power LED lamp of heat conduction and the heat radiation of heat loss through convection double mechanism
Technical field
The present patent application relates to a kind of LED light fixture, and especially a kind of heat conduction and high-power LED lamp that the heat loss through convection double mechanism dispels the heat of adopting belongs to the LED technical field of lighting fixtures.
Background technology
LED(Light Emitting Diode) be light emitting diode, be a kind of solid-state semiconductor devices, it can directly be converted into light to electricity, the heart of LED is a semi-conductive wafer, with LED is the advantage of the light fixture of light source owing to energy-conservation and long service life, meet the main trend of present energy-conserving and environment-protective, low carbon emission reduction, progressively replaced traditional light source in a plurality of fields.
Along with the advantage of the increasingly mature and energy-conserving and environment-protective of manufacturing technology, high-powered LED lamp has obtained using widely.High-power LED illuminating lamp caloric value in use is bigger, corresponding heat abstractor need be set usually to guarantee normal use.The LED illuminating lamp of prior art comprises LED lamp, installing plate, lampshade and heat abstractor, and the LED lamp is fixed in installing plate, and heat abstractor is fixed in installing plate, and LED lamp, installing plate and heat abstractor are arranged in the lampshade.Traditional LED illuminating lamp dispels the heat by the heat abstractor that is arranged in the lampshade, and heat abstractor exists high material consumption, problem that cost is high, and the radiating effect of existing LED illuminating lamp is undesirable.Simultaneously, because existing light fixture in use fin surrounding air is mobile not good, causes radiating effect poor, too high operating temperature has directly shortened the service life of LED, for realizing further energy-saving and emission-reduction, the LED illuminating lamp of prior art is necessary to improve on radiator structure very much.
Summary of the invention
The present patent application promptly is not good at the radiating effect that exists in high-power LED lamp at present, has influenced the defective in LED light fixture service life, designs a kind of high-power LED lamp efficiently that combines heat conduction and the dual cooling mechanism of heat loss through convection.
The high-power LED lamp of described heat conduction of the present patent application and the heat radiation of heat loss through convection double mechanism, its mentality of designing is that heat-radiating substrate is divided into inner panel and outside plate, have between inner panel and the outside plate and be used for cross-ventilated convection current chamber, outside plate and lampshade fasten the formation lamp body structure mutually, the PCB circuit board is set directly on the inner panel, on inner panel and outside plate, have air vent, have to be used in flowing of air.
Preferably, the LED lamp pearl that is arranged on the inner panel is adopted the regular array mode, and also has the air vent that connects inner panel on pcb board, has further strengthened radiating effect.
Specifically, the high-power LED lamp of described heat conduction of the present patent application and the heat radiation of heat loss through convection double mechanism, comprise two ends lamp holder and the lamp body between lamp holder, lamp body is made of with the outer heat-radiating substrate that is connected with lampshade lampshade, wherein, described light fixture also comprises interior heat-radiating substrate, interior heat-radiating substrate directly is connected with outer heat-radiating substrate and is positioned at lamp body inside, interior heat-radiating substrate is to the inboard protrusion of lamp body, be divided into the platform at middle part and the slope of both sides, in, outer heat-radiating substrate surrounds the convection current chamber, and the circuit board that LED lamp pearl is installed directly is fixed on the platform, the slope of interior heat-radiating substrate both sides and outside have a plurality of air vents on the heat-radiating substrate.
Further, described LED light fixture, wherein, the plurality of LEDs lamp pearl that is installed on the circuit board is arranged in array, and has a plurality of air vents on circuit board, and described air vent runs through the platform of the interior heat-radiating substrate under the circuit board.
In order to obtain better radiating effect, can also outside described, be provided with the radiating fin that a plurality of projectioies bend in the outside of heat-radiating substrate, to increase area of dissipation.
Selected material, the metal that the preferred thermal conductivity factor of inside and outside heat-radiating substrate is high includes but not limited to aluminum or aluminum alloy.
Described heat conduction of the present patent application and the high-power LED lamp that the heat loss through convection double mechanism dispels the heat have following advantage:
1, heat conduction and heat loss through convection are combined, circuit board closely contacts with interior heat-radiating substrate, heat in time can be transmitted on the inside and outside heat-radiating substrate, and distribute, simultaneously, the air vent of offering on the inside and outside heat-radiating substrate can promote the convection current of air, and the convection current chamber between inside and outside heat-radiating substrate has then constituted the part of convection channel at lamp body;
2, because better heat radiating effect makes prolong the service life of high-powered LED lamp.
Description of drawings
Fig. 1 is the cross-sectional view of one embodiment of the invention;
Fig. 2 is the schematic diagram that the circuit onboard led lamp pearl of one embodiment of the invention is arranged;
Fig. 3 is the cross-sectional view of another embodiment of the present invention;
Wherein, 1 is that lampshade, 21 is that outer heat-radiating substrate, 22 is that interior heat-radiating substrate, 3 is that convection current chamber, 4 is that circuit board, 5 is that LED lamp pearl, 210 is that radiating fin, 211 is that first air vent, 220 is that second air vent, 40 is the 3rd air vent.
The specific embodiment
Below in conjunction with accompanying drawing the high-power LED lamp of the described heat conduction of the present patent application with the heat radiation of heat loss through convection double mechanism is described; purpose is better to understand the described technology contents of the present patent application for the public; rather than to the restriction of described technology contents; in fact; in the improvement of described LED light fixture being carried out with the principle identical or approximate with the present patent application; comprise shape to described light fixture; size; the change of material; internally; outer heat-radiating substrate shape; size; the angle on platform and slope; the size in convection current chamber; the number of air vent and the change of arranging and being done are all within the present patent application technical scheme required for protection.
Embodiment one
As shown in Figure 1, the high-power LED lamp of described heat conduction and the heat radiation of heat loss through convection double mechanism, comprise two ends lamp holder and the lamp body between lamp holder, lamp body is made of with the outer heat-radiating substrate 21 that is connected with lampshade 1 lampshade 1, described light fixture also comprises interior heat-radiating substrate 22, interior heat-radiating substrate 22 directly is connected with outer heat-radiating substrate 21 and is positioned at lamp body inside, interior heat-radiating substrate 22 is to the inboard protrusion of lamp body, be divided into the platform at middle part and the slope of both sides, in, outer heat-radiating substrate surrounds convection current chamber 3, the circuit board 4 that LED lamp pearl 5 is installed directly is fixed on the platform, the slope of interior heat-radiating substrate 22 both sides and outside have a plurality of air vents on the heat-radiating substrate 21, in the present embodiment, have first air vent 211 on the outer heat-radiating substrate 21, and have second air vent 220 on the slope of interior heat-radiating substrate, behind the air expanded by heating, can be at first air vent, the convection current chamber, form the passage of convection current in second air vent and the lamp body, in time the heat that produces is distributed, preferably, can also outside described, be provided with the radiating fin 210 that a plurality of projectioies bend in the outside of heat-radiating substrate 21, to increase area of dissipation.
Embodiment two
As shown in Figure 2, further, the plurality of LEDs lamp pearl 5 that is installed on the circuit board 4 is arranged in array, and has a plurality of the 3rd air vents 40 on circuit board 4, and described the 3rd air vent 40 runs through the platform of the interior heat-radiating substrate 22 under the circuit board 4.
As Fig. 3, the high-power LED lamp of described heat conduction and the heat radiation of heat loss through convection double mechanism, in the present embodiment, have first air vent 211 on the outer heat-radiating substrate 21, and have second air vent 220 on the slope of interior heat-radiating substrate, behind the air expanded by heating, can in first air vent, convection current chamber, second air vent, the 3rd air vent and lamp body, form the passage of convection current, in time the heat that produces is distributed, equally, can also outside described, be provided with the radiating fin 210 that a plurality of projectioies bend in the outside of heat-radiating substrate 21, to increase area of dissipation.
Described heat conduction of the present patent application and the high-power LED lamp that the heat loss through convection double mechanism dispels the heat combine heat conduction and heat loss through convection, have better heat radiating effect, energy-saving low-carbon, prolonged the service life of great power LED greatly, and simple and practical, have application value.

Claims (4)

1. a heat is conducted the high-power LED lamp that dispels the heat with the heat loss through convection double mechanism, comprise two ends lamp holder and the lamp body between lamp holder, lamp body is made of with the outer heat-radiating substrate that is connected with lampshade lampshade, it is characterized in that: described light fixture also comprises interior heat-radiating substrate, interior heat-radiating substrate directly is connected with outer heat-radiating substrate and is positioned at lamp body inside, interior heat-radiating substrate is to the inboard protrusion of lamp body, be divided into the platform at middle part and the slope of both sides, in, outer heat-radiating substrate surrounds the convection current chamber, the circuit board that plurality of LEDs lamp pearl is installed directly is fixed on the platform, the slope of interior heat-radiating substrate both sides and outside have a plurality of air vents on the heat-radiating substrate.
2. LED light fixture according to claim 1 is characterized in that: the described plurality of LEDs lamp pearl that is installed on the circuit board is arranged in array, and has a plurality of air vents on circuit board, and described air vent runs through the platform of the interior heat-radiating substrate under the circuit board.
3. LED light fixture according to claim 1 is characterized in that: the outside of heat-radiating substrate is provided with the radiating fin of a plurality of projection bendings outside described.
4. LED light fixture according to claim 1 is characterized in that: the material of heat-radiating substrate and outer heat-radiating substrate is the high metal of thermal conductivity factor in described.
CN2011102137522A 2011-07-28 2011-07-28 High-power light-emitting diode (LED) lamp with double radiating mechanisms of heat conduction and convectional radiating Pending CN102287644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102137522A CN102287644A (en) 2011-07-28 2011-07-28 High-power light-emitting diode (LED) lamp with double radiating mechanisms of heat conduction and convectional radiating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102137522A CN102287644A (en) 2011-07-28 2011-07-28 High-power light-emitting diode (LED) lamp with double radiating mechanisms of heat conduction and convectional radiating

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016033954A1 (en) * 2014-09-04 2016-03-10 袁志贤 Novel led lamp
CN109373205A (en) * 2018-09-11 2019-02-22 天台天宇光电股份有限公司 A kind of high efficiency LED light source radiator structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1215735A1 (en) * 2000-12-13 2002-06-19 Chao-Chin Yeh Improved structure of lamp
CN2575438Y (en) * 2002-08-16 2003-09-24 大连路明科技集团有限公司 Mesh shape swinging slag cooler
DE202008016868U1 (en) * 2008-12-19 2009-03-19 Osram Gesellschaft mit beschränkter Haftung lamp
CN201621652U (en) * 2010-02-04 2010-11-03 东莞市坤广光电有限公司 Heat radiation LED lamp circuit board and tube
CN201662022U (en) * 2009-12-31 2010-12-01 深圳市泰迪伦光电科技有限公司 Effectively-radiating LED fluorescent lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1215735A1 (en) * 2000-12-13 2002-06-19 Chao-Chin Yeh Improved structure of lamp
CN2575438Y (en) * 2002-08-16 2003-09-24 大连路明科技集团有限公司 Mesh shape swinging slag cooler
DE202008016868U1 (en) * 2008-12-19 2009-03-19 Osram Gesellschaft mit beschränkter Haftung lamp
CN201662022U (en) * 2009-12-31 2010-12-01 深圳市泰迪伦光电科技有限公司 Effectively-radiating LED fluorescent lamp
CN201621652U (en) * 2010-02-04 2010-11-03 东莞市坤广光电有限公司 Heat radiation LED lamp circuit board and tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016033954A1 (en) * 2014-09-04 2016-03-10 袁志贤 Novel led lamp
CN109373205A (en) * 2018-09-11 2019-02-22 天台天宇光电股份有限公司 A kind of high efficiency LED light source radiator structure
CN109373205B (en) * 2018-09-11 2020-05-22 天台天宇光电股份有限公司 High-efficient LED light source heat radiation structure

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