CN203454053U - Heat dissipation system of LED lamp - Google Patents

Heat dissipation system of LED lamp Download PDF

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Publication number
CN203454053U
CN203454053U CN201320480151.2U CN201320480151U CN203454053U CN 203454053 U CN203454053 U CN 203454053U CN 201320480151 U CN201320480151 U CN 201320480151U CN 203454053 U CN203454053 U CN 203454053U
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CN
China
Prior art keywords
heat dissipation
light source
led lamp
heat
cover
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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
CN201320480151.2U
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Chinese (zh)
Inventor
李卫兵
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ZHONGSHAN DOMIN OPTRONICS TECH Co Ltd
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ZHONGSHAN DOMIN OPTRONICS TECH Co Ltd
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Priority to CN201320480151.2U priority Critical patent/CN203454053U/en
Application granted granted Critical
Publication of CN203454053U publication Critical patent/CN203454053U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a heat dissipation system of an LED lamp. The heat dissipation system comprises a heat dissipation base and a surface cover. A light source installation groove is formed in the heat dissipation base and used for installation of an LED light source, and therefore the LED light source makes direct contact with the heat dissipation base, generated heat can be directly transferred to the heat dissipation base, and heat generated by the LED light source can be rapidly transferred out. A plurality of heat dissipation columns are arranged at the back of the heat dissipation base, the heat dissipation area of the whole heat dissipation base can be increased due to the heat dissipation columns, and the heat dissipation effect is improved. The heat dissipation base is integrally formed through pressure casting, and therefore the thermal resistance between a heat dissipation base body and the heat dissipation columns can be lowered, heat is evenly dissipated through the whole heat dissipation base, and the heat dissipation speed is increased. The surface of each heat dissipation column is coated with a radiation heat dissipation coating, heat dissipation efficiency of the surface of each heat dissipation column can be improved, and heat dissipation is assisted. The surface cover is a heat dissipation surface cover, the surface cover is connected with the heat dissipation base, heat dissipation of the heat dissipation base is assisted, and therefore the optimal heat dissipation effect is achieved, efficient heat dissipation is achieved, and the problem of heat dissipation of the LED lamp is solved.

Description

The cooling system of LED lamp
Technical field
The utility model relates to LED lighting field, particularly a kind of heat radiation cooling system of LED lamp fast.
Background technology
Heat dissipation problem is the major issue that LED light fixture need to solve, and the quality of radiating effect is directly connected to illumination effect and the life-span of light fixture.The heat of LED lamp concentrates in size chip seldom, can make chip internal temperature more and more higher, not only accelerates light fixture aging, reduction of service life, when serious, can cause chip to burn.A heat radiation difficult problem for LED lamp, especially for the Down lamp of small size or Ceiling light etc., all adopt the passive heat radiation of radiator, and while carrying out passive heat radiation with radiator, need the radiator of larger heat radiation volume to meet heat radiation, and radiating effect need to improve.
Therefore, how to design a kind of simple in structure, volume is small and exquisite, the cooling system that but can reach the LED lamp of high efficiency and heat radiation is technical problem urgently to be resolved hurrily in the industry.
Utility model content
Main purpose of the present utility model is to provide a kind of cooling system of LED lamp, is intended to improve heat-transfer rate, realizes high efficiency and heat radiation, solves the heat dissipation problem of LED light fixture.
The utility model proposes a kind of cooling system of LED lamp, comprise radiating seat and the cover being connected with described radiating seat, described cover is heat radiation cover, and described cover and described radiating seat are Heat Conduction Material and make; Described radiating seat is integrated die cast, comprises the some independent thermal column that fore light source mounting groove is set and is vertically arranged on back, and described thermal column is spaced apart, is a plurality of concentric circles and arranges; Described thermal column Surface Oxygen changes into black heat radiation coating.
Preferably, the shape of cross section of described thermal column is identical or different.
Preferably, in described light source mounting groove bottom, be provided with and lead to the wire hole of described radiator outside and for the installing hole of LED light source is installed.
Preferably, be threaded connection fixingly between described cover and described radiating seat, described cover lid is located on described light source mounting groove.
Preferably, described cover and described radiating seat are copper, copper alloy, aluminum or aluminum alloy and make.
The beneficial effect of the cooling system of the utility model LED lamp is: light source mounting groove is set on radiating seat, be used for installing LED light source, LED light source is directly contacted with radiating seat, and the heat of generation can directly conduct to radiating seat, derives fast the heat that LED light source produces;
At radiating seat back, be provided with some thermal columns, the setting of thermal column can increase the area of dissipation of radiating seat integral body, and between thermal column, space arranges, and each thermal column can 360 ° fully contacts with air, and quickening is dispelled the heat; Gap between thermal column is communicated with 360 ° of the space outerpaces of radiator, can comprehensively ventilate, and accelerates cross-ventilation circulation, thereby improves radiating rate, improves radiating effect.
Radiating seat is integrated die cast, can reduce the thermal resistance between heat radiation pedestal and thermal column, and welding does not make heat conduction faster, and the heat of light source can directly pass to radiator fast, makes the whole Homogeneouslly-radiating of radiating seat, accelerates radiating rate.
At thermal column Surface Oxygen, change into black heat radiation coating (can realize by methods such as oxidations), the heat radiation emissivity of this heat loss through radiation coating can reach 90% left and right, the heat energy of accumulating on thermal column can be launched in the mode of radiation, thereby quickening radiating rate, improves the radiating efficiency on thermal column surface.
Also be provided with cover, cover is heat radiation cover, and cover is connected with radiating seat, the heat radiation of auxiliary heat dissipation seat, thus reach best radiating effect, realize high efficiency and heat radiation, solve the heat dissipation problem of LED light fixture.
Accompanying drawing explanation
Fig. 1 is the structural representation of radiating seat in the embodiment of cooling system of the utility model LED lamp;
Fig. 2, Fig. 3 and Fig. 4 are the stereogram of the cooling system of LED lamp in the embodiment of cooling system of the utility model LED lamp;
Fig. 5 is the upward view of the cooling system of LED lamp in the embodiment of cooling system of the utility model LED lamp;
Fig. 6 is the top view of the cooling system of LED lamp in the embodiment of cooling system of the utility model LED lamp.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 6, an embodiment of the cooling system of LED lamp of the present utility model is proposed, the cooling system of this LED lamp comprises radiating seat 1 and the cover 2 being connected with radiating seat 1.Radiating seat 1 is comprised of heat radiation pedestal 11 and thermal column 12, and heat radiation pedestal 11 is cylindrical, is provided with light source mounting groove 13, for LED light source is installed in the front portion of heat radiation pedestal 11; Thermal column 12 is vertically arranged on the rear portion of heat radiation pedestal 11, for heat radiation together with heat radiation pedestal 11.The rounded setting of light source mounting groove 13 (also can be set to other shapes), in the bottom of light source mounting groove 13, be provided with the wire hole of the cooling system outside of leading to LED lamp and for the installing hole of LED light source is installed, can LED light source be fixed in light source mounting groove 13 by installing hole with the screw of this installing hole adaptation, make LED light source be close to the bottom surface of light source mounting groove 13, fully contact with heat radiation pedestal 11, greatly reduce thermal resistivity.Like this, the heat that LED light source produces just can directly conduct to radiating seat 1, by radiating seat 1, derives fast the heat that LED light source produces.
The setting of thermal column 12 can increase the area of dissipation of radiating seat 1 integral body, improves radiating effect.Spaced apart between thermal column 12, and be a plurality of concentric circles and arrange, each thermal column 12 can 360 ° fully contacts with air, and large with the contact area of air, quickening is dispelled the heat.Gap between thermal column 12 is communicated with 360 ° of the space outerpaces of radiator, can comprehensively ventilate, and accelerates circulation of air, thereby improves radiating rate, improves radiating effect.
The shape of cross section of all thermal columns 12 can be identical, also can be different, can all be made as cylinder, and also can be set to the cylinder of other shapes.The shape of cross section of the thermal column 12 in the present embodiment comprises a spoonful shape, circle, Y shape and C shape, and the rounded arrangement of thermal column 12 of spoon shape, is distributed in outermost circle; The thermal column 12 of Y shape and C shape is spaced circular, is distributed in inner circle; The thermal column 12 of all circles and the heat radiation of two C shapes are arranged in circle, are distributed between outermost circle and inner circle (as shown in Figure 5).On the sidewall of the thermal column 12 of spoon shape and Y shape, be provided with radiatinig corrugated, for increasing heat radiation area, improve radiating efficiency.
Radiating seat 1 is integrated die cast, between heat radiation pedestal 11 and thermal column 12, is seamless connection, can reduce the thermal resistance between heat radiation pedestal 11 and thermal column 12, makes the whole Homogeneouslly-radiating of radiating seat 1, quickening radiating rate.
At thermal column 12 Surface Oxygens, change into black heat radiation coating, the heat radiation emissivity of this heat radiation coating can reach 90% left and right, and black contributes to accelerate heat radiation, the heat energy of accumulating can be launched in the mode of radiation on thermal column 12, thereby quickening radiating rate, improves the radiating efficiency on thermal column 12 surfaces.
Cover 2 is annular, at the internal face on light source mounting groove 13 tops and the outside wall surface of cover 2 bottoms, is provided with adaptive screw thread, is threaded connection fixing between cover 2 and radiating seat 1.Cover 2 lid is located on light source mounting groove 13, for fixedly reflector and transmissive mirror.Attended operation between cover 2 and radiating seat 1 is simple, installation, convenient disassembly.
Cover 2 is heat radiation cover 2, and cover 2 is with radiating seat 1 copper, copper alloy, the aluminum or aluminum alloy that thermal conductivity factor is high and makes, and has excellent heat conduction, heat dispersion.Cover in the present embodiment 2 and radiating seat 1 are 1070 fine aluminium and make, and heat dispersion is fabulous.Cover 2 is connected with radiating seat 1,1 heat radiation of auxiliary heat dissipation seat, thus reach best radiating effect.
In sum, the heat dispersion of the cooling system of LED lamp of the present utility model is splendid, can realize high efficiency and heat radiation, solves the heat dissipation problem of LED light fixture.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (5)

1. a cooling system for LED lamp, comprises radiating seat and the cover being connected with described radiating seat, it is characterized in that, described cover is heat radiation cover, and described cover and described radiating seat are Heat Conduction Material and make; Described radiating seat is integrated die cast, comprises the some independent thermal column that fore light source mounting groove is set and is vertically arranged on back, and described thermal column is spaced apart, is a plurality of concentric circles and arranges; At described thermal column Surface Oxygen, change into black heat radiation coating.
2. the cooling system of LED lamp according to claim 1, is characterized in that, the shape of cross section of described thermal column is identical or different.
3. the cooling system of LED lamp according to claim 2, is characterized in that, is provided with to lead to the wire hole of described radiator outside and for the installing hole of LED light source is installed in described light source mounting groove bottom.
4. the cooling system of LED lamp according to claim 1, is characterized in that, is threaded connection fixingly between described cover and described radiating seat, and described cover lid is located on described light source mounting groove.
5. according to the cooling system of the LED lamp described in any one in claim 1 to 4, it is characterized in that, described cover and described radiating seat are copper, copper alloy, aluminum or aluminum alloy and make.
CN201320480151.2U 2013-08-08 2013-08-08 Heat dissipation system of LED lamp Expired - Fee Related CN203454053U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320480151.2U CN203454053U (en) 2013-08-08 2013-08-08 Heat dissipation system of LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320480151.2U CN203454053U (en) 2013-08-08 2013-08-08 Heat dissipation system of LED lamp

Publications (1)

Publication Number Publication Date
CN203454053U true CN203454053U (en) 2014-02-26

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Application Number Title Priority Date Filing Date
CN201320480151.2U Expired - Fee Related CN203454053U (en) 2013-08-08 2013-08-08 Heat dissipation system of LED lamp

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501116A (en) * 2014-11-05 2015-04-08 安徽荃富信息科技有限公司 Cooling housing for LED lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501116A (en) * 2014-11-05 2015-04-08 安徽荃富信息科技有限公司 Cooling housing for LED lamp

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

Granted publication date: 20140226

Termination date: 20150808

EXPY Termination of patent right or utility model