CN103776001A - Heat radiator of light emitting diode (LED) lamp - Google Patents
Heat radiator of light emitting diode (LED) lamp Download PDFInfo
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- CN103776001A CN103776001A CN201410062570.3A CN201410062570A CN103776001A CN 103776001 A CN103776001 A CN 103776001A CN 201410062570 A CN201410062570 A CN 201410062570A CN 103776001 A CN103776001 A CN 103776001A
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Abstract
The invention belongs to the lamp field, and particularly relates to a heat radiator of a light emitting diode (LED) lamp. The heat radiator of the LED lamp comprises a barrel, main cooling fins arranged on the outer surface of the barrel in radial mode, and a heat transfer plate arranged in the barrel, wherein a luminous chip of the LED lamp is arranged on the heat transfer plate, subsidiary cooling fins vertical to the main cooling fins are arranged at the outer ends of the main cooling fins, a plurality of heat dissipation teeth are arranged on the outer side faces of the subsidiary cooling fins, the main cooling fins and the subsidiary cooling fins are arranged in T shape, the luminous chip comprises a core plate and a luminous face arranged on the core plate, a light press plate is arranged on the luminous chip in covering mode, a through hole is formed in a position at the center of the light press plate, which is corresponding to the luminous face, and the hole wall of the through hole protrudes outward so as to form a limiting ring. The heat radiator of the LED lamp is low in height, few in used material, low in weight, and full in heat dissipation. Compared with an existing LED lamp heat radiator, when the heat radiator of the LED lamp is of the same volume as the existing LED lamp heat radiator, heat dissipation efficiency of the heat radiator of the LED lamp can be improved by 20%-30%, and power of the LED lamp can be improved by 3-6W, and furthermore use life of the LED lamp is long.
Description
Technical field
The invention belongs to field of light fittings, relate in particular to a kind of LED lamp radiator.
Background technology
Existing its radiator of LED lamp adopts intensive fin-shaped fin, intensive owing to arranging, heat radiation is slow, its radiating effect is limited, and existing LED lamp and lampshade connected mode are to have externally threaded protruding linkage section in radiator front end setting tool, again linkage section is accessed to lampshade and connect, bonding strength is low.And radiator is far away to the facial dimension of lamp, lamp height, takes up room large, and lamp height also has requirement to the height of furred ceiling, also will make enough spaces while doing furred ceiling, has wasted space.Existing LED lamp its luminous power under the prerequisite of limited radiating effect is also limited in sum, cannot accomplish powerful lamp.As disclosed in application publication number CN 102721023 A " a kind of LED lamp radiator ", it comprises upper mounted plate, bottom plate and groups of fins, described groups of fins is arranged side by side and is formed by 40 above fin, fin is the aluminum alloy sheet of cold drawing molding, thickness is 0.3-0.7mm, and distance between commutator segments is 2-5mm; Fin two ends are respectively fixedly connected with the ring-like limit of upper and lower fixing plate; Also comprise high efficiency and heat radiation plate, unpowered fan; Described high efficiency and heat radiation plate is arranged on bottom plate below, is fixedly connected with below bottom plate; Described unpowered fan is arranged in LED lamp radiator, is fixedly connected with central part above bottom plate.Its agent structure is the embedded LED modulated structure that the major part on existing market is general, because the design radiating effect of intensive fin is general, this application has increased fan on light fixture, but fan design has not only increased material and production cost, also increased the consumption of electric energy simultaneously, and the many easily damages of lamp part.Extremely unpractical design so the design of fan is actual.
Summary of the invention
The object of the invention is provides a kind of good heat dissipation effect, LED lamp radiator that volume is little for addressing the above problem.
To achieve these goals, the present invention adopts following technical scheme:
A kind of LED lamp radiator, comprise cylindrical shell, be arranged at radially the main fin of barrel outer surface, be arranged at the heat-conducting plate in cylindrical shell, the luminescence chip of LED lamp is arranged on described heat-conducting plate, described main fin outer end is provided with secondary fin perpendicular to main fin, on described secondary fin lateral surface, be provided with some radiation tooths, described luminescence chip comprises central layer and is arranged at the light-emitting area on central layer, on described luminescence chip, be covered with calendar plate, corresponding described light-emitting area position, described calendar plate center is provided with through hole, the hole wall of described through hole convexes to form forward spacing collar.
By the setting of secondary fin, can reduce the sheet number of main fin, strengthen the spacing between main fin, can reach better radiating effect, under the high prerequisite of radiating efficiency, can shorten the height of radiator, whole radiator is few with material, and quality is light.
Radiation tooth the further radiating effect that increased is set, radiation tooth can be set to level and smooth short raised line, it is highly low, lightweight, can not increase the weight that radiator is too large, is convenient to hand-held.
As preferably, described main fin and described secondary fin are T set up of character patt ern, and described calendar plate is cover plate, on described heat-conducting plate, internal thread hole is set, described cover plate by with being bolted on heat-conducting plate of internal thread hole adaptation.Main fin outer end and secondary fin position of center line are connected to form T font, and its Stability Analysis of Structures, is connected firmly, and heat radiation evenly, efficiently.
Existing its light-emitting area of LED lamp is that the rear end of reflector is directly pressed in light-emitting area with coordinating of reflector, reflector is positioned to arcwall and the reflector adaptation of lordosis by light-emitting area edge, this fit structure can not be located reflector when mounted immediately, reflector can swing back and forth along arcwall, cause reflector rear end and light-emitting area friction, light-emitting area is caused to damage, affect the service life of illumination effect and lamp.The present invention adopts spacing collar, and reflector rear end is directly enclosed within outside spacing collar, and installation can reach instant location, after buckling well, can not slide each other, even if button is not to position, due to protruding spacing collar arrange reflector slide also not can abrasion to light-emitting area.Spacing collar is book type ultrawhite circle, can guarantee illumination effect, reduces as much as possible light loss.
As preferably, the junction of described main fin and cylindrical shell is provided with pier pin, and described pier pin thickness is greater than described main fin thickness.
The design of pier pin makes between winner's fin and cylindrical shell bonding strength high, and heat conduction is fast, and particularly for some high-power LED lamps, pier pin can improve light fixture performance greatly.
As preferably, described main fin, secondary fin, radiation tooth and pier pin one are connected.
One connects, and easy to process, cost is low.Rapid heat dissipation, without node.
As preferably, described secondary fin is the arc coaxial with cylindrical shell.
Radiation tooth outer end is arc tips, and area of dissipation is large, and radiating efficiency is high, does not prick the hand, and it is low that hand touches temperature.
As preferably, described radiation tooth is to be distributed in the 2-6 bar on described arc and to be positioned at the radiation tooth of both sides and the both sides of arc flush.
As preferably, described heat-conducting plate embeds in described cylindrical shell, and described main fin inner side is extended forward or main fin outside extends to form forward extension radiating segment with secondary fin.
Heat-conducting plate embeds cylindrical shell can protect luminescence chip better, it is not rotatable after being directly with cover fixing that existing LED modulated structure is divided into two kinds of one, another kind is to be with rotatable face ring capable of adjusting lighting angle, for rotating LED lamp, extend the loose area not rotation of influence surface ring again of radiating segment increasing thereby can adopt main fin inner side to extend to form forward, for non-rotatable LED lamp, thereby main fin outside and secondary fin can be extended to form forward to extension radiating segment and strengthen as much as possible area of dissipation, above-mentioned two kinds of modes all can shorten the height of radiator and use material amount under the high prerequisite of assurance heat radiation effect.
As preferably, described heat-conducting plate edge is provided with through hole, and described cylinder back-end is provided with the bonnet with central through hole, and the power line on described luminescence chip is successively through the through hole on heat-conducting plate and bonnet.
Two through holes are not concentric design, power line is detoured in radiator, thereby power line is positioned, and prevent that power line rolling line from affecting illumination effect, and LED lamp are not fragile, stable luminescence, long service life.
As preferably, described bonnet inner side is provided with two double-screw bolts.Can connect on double-screw bolt top a pressing plate, then use the bolt coordinating with double-screw bolt to fix pressing plate, power line is positioned through two double-screw bolts and by pressing plate, can be fixed power line securely.
As preferably, described heat-conducting plate is fine aluminium slab, and described calendar plate is ultrawhite PC plate, on described calendar plate, is provided with louvre.
The heat conduction of fine aluminium slab is fast, and thermal conductivity is high.Ultrawhite PC plate does not lose light rate.
Adopt above technical scheme, the present invention has following beneficial effect:
1, this LED lamp radiator height is low, few, lightweight with material, and fully, the power that more existing LED lamp radiator radiating efficiency in the situation that of same volume can improve 20% ~ 30%, LED lamp can increase 3 ~ 6W, light fixture long service life in heat radiation.
2, this heat spreader structures is simple, and it is low, not difficult to handle that hand touches temperature, hand-held convenience, and external form is succinct.
3, this radiator cost is low, processing, installation, dismounting, easy to maintenance.
4, the design and installation of calendar plate is convenient, and light-emitting area is not fragile, long service life.
5, this radiator heat-dissipation rate is high, highly low, low, applied widely to hanging end requirement for height.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that main fin inner side extends to form forward the heat spreader structures schematic diagram that extends radiating segment;
Fig. 3 is that main fin outside extends to form forward with secondary fin the structural representation one that extends radiating segment;
Fig. 4 is that main fin outside extends to form forward with secondary fin the structural representation two that extends radiating segment;
Fig. 5 is rear cover structure schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
The following stated is only preferred embodiments of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Embodiment mono-:
A kind of LED lamp radiator, comprise cylindrical shell 1, be arranged at radially cylindrical shell 1 outer surface main fin 11, be arranged at the heat-conducting plate 12 in cylindrical shell 1, the luminescence chip of LED lamp is arranged on described heat-conducting plate 12, described main fin 11 outer ends are provided with secondary fin 13 perpendicular to main fin 11, on described secondary fin 13 lateral surfaces, are provided with some radiation tooths 14.Described luminescence chip comprises central layer and is arranged at the light-emitting area 5 on central layer, is covered with calendar plate 51 on described luminescence chip, and corresponding described light-emitting area 5 positions, described calendar plate 51 centers are provided with through hole, and the hole wall of described through hole convexes to form forward spacing collar 52.While combination with light fixture miscellaneous part, the reflector rear end of light fixture is directly enclosed within to spacing collar and installs outward, do not damage light-emitting area.Described main fin 11 is T set up of character patt ern with described secondary fin.Described calendar plate 51 is cover plate, on described heat-conducting plate 12, internal thread hole is set, described cover plate by with being bolted on heat-conducting plate 12 of internal thread hole adaptation.Described main fin 11, secondary fin 13, radiation tooth 14 and pier pin 113 one are connected.Described secondary fin 13 is the arc coaxial with cylindrical shell 1.Described radiation tooth 14 flushes with the both sides of arc for the radiation tooth 14 that is distributed in 3 on described arc and is positioned at both sides.
Described heat-conducting plate 12 embeds in described cylindrical shell 1.Described heat-conducting plate 12 edges are provided with through hole, and described cylindrical shell 1 rear end is provided with the bonnet 6 with central through hole, and the power line on described luminescence chip is successively through the through hole on heat-conducting plate 12 and bonnet 6.
Described bonnet 6 inner sides are provided with two double-screw bolts 61.Thereby power line is relative with radiator fixing by wearing around mode of distortion, determine power supply around firm, do not affect the performance of the chip being attached thereto.In actual production process, also can with surface, two screw hole columns be set at bonnet, between screw hole column, connect tension and compression plate, pressing plate two ends are fixed by bolt and screw hole column again, by power line through two screw hole columns, and pushing down by pressing plate, thereby further fixed power source line better.Heat-conducting plate is chunk plate, can increase thermal conductivity, can prevent that power line from rocking simultaneously.
Described heat-conducting plate 12 is fine aluminium slab.Described calendar plate 51 is ultrawhite PC plate, on described calendar plate 51, is provided with louvre 53.
Embodiment bis-:
Be in described radiation tooth 14 different from above-described embodiment flushes with the both sides of arc for the radiation tooth 14 that is distributed in 4 on described arc and is positioned at both sides.Described main fin 11 inner sides extend to form forward extension radiating segment.Between described extension radiating segment outside and main fin 11, be provided with inclination connecting portion 114.Described main fin 11 is provided with pier pin 113 with the junction of cylindrical shell 1, and described pier pin 113 thickness are greater than described main fin 11 thickness.
Embodiment tri-:
Be in main fin 11 outsides and secondary fin 13 different from above-described embodiment extends to form forward extension radiating segment.
Embodiment tetra-:
Be in described radiation tooth 14 for be distributed in described arc on 2 different from above-described embodiment.
This radiator height is low, few, lightweight with material, and fully, the power that more existing LED lamp radiator radiating efficiency in the situation that of same volume can improve 20% ~ 30%, LED lamp can increase 3 ~ 6W, light fixture long service life in heat radiation.
Claims (10)
1. a LED lamp radiator, it is characterized in that: comprise cylindrical shell (1), be arranged at radially the main fin (11) of cylindrical shell (1) outer surface, be arranged at the heat-conducting plate (12) in cylindrical shell (1), the luminescence chip of LED lamp is arranged on described heat-conducting plate (12), described main fin (11) outer end is provided with secondary fin (13) perpendicular to main fin (11), on described secondary fin (13) lateral surface, be provided with some radiation tooths (14), described luminescence chip comprises central layer and is arranged at the light-emitting area (5) on central layer, on described luminescence chip, be covered with calendar plate (51), corresponding described light-emitting area (5) position, described calendar plate (51) center is provided with through hole, the hole wall of described through hole convexes to form forward spacing collar (52).
2. a kind of LED lamp radiator according to claim 1, it is characterized in that: described main fin (11) is T set up of character patt ern with described secondary fin, described calendar plate (51) is cover plate, described heat-conducting plate arranges internal thread hole on (12), described cover plate by with being bolted on heat-conducting plate (12) of internal thread hole adaptation.
3. a kind of LED lamp radiator according to claim 2, is characterized in that: described main fin (11) is provided with pier pin (113) with the junction of cylindrical shell (1), and described pier pin (113) thickness is greater than described main fin (11) thickness.
4. a kind of LED lamp radiator according to claim 3, is characterized in that: described main fin (11), secondary fin (13), radiation tooth (14) and pier pin (113) one are connected.
5. a kind of LED lamp radiator according to claim 4, is characterized in that: described secondary fin (13) is the arc coaxial with cylindrical shell (1).
6. a kind of LED lamp radiator according to claim 5, is characterized in that: described radiation tooth (14) flushes with the both sides of arc for the radiation tooth (14) that is distributed in the 2-6 bar on described arc and is positioned at both sides.
7. according to a kind of LED lamp radiator described in the arbitrary claim of claim 1-6, it is characterized in that: described heat-conducting plate (12) embeds in described cylindrical shell (1), extend forward described main fin (11) inner side or main fin (11) outside extends to form forward extension radiating segment with secondary fin (13).
8. a kind of LED lamp radiator according to claim 7, it is characterized in that: described heat-conducting plate (12) edge is provided with through hole, described cylindrical shell (1) rear end is provided with the bonnet (6) with central through hole, and the power line on described luminescence chip is successively through the through hole on heat-conducting plate (12) and bonnet (6).
9. a kind of LED lamp radiator according to claim 8, is characterized in that: described bonnet (6) inner side is provided with two double-screw bolts (61).
10. a kind of LED lamp radiator according to claim 9, is characterized in that: described heat-conducting plate (12) is fine aluminium slab, and described calendar plate (51) is ultrawhite PC plate, is provided with louvre (53) on described calendar plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062570.3A CN103776001A (en) | 2014-02-25 | 2014-02-25 | Heat radiator of light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062570.3A CN103776001A (en) | 2014-02-25 | 2014-02-25 | Heat radiator of light emitting diode (LED) lamp |
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| Publication Number | Publication Date |
|---|---|
| CN103776001A true CN103776001A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062570.3A Pending CN103776001A (en) | 2014-02-25 | 2014-02-25 | Heat radiator of light emitting diode (LED) lamp |
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| Country | Link |
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| CN (1) | CN103776001A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178760A (en) * | 2017-07-20 | 2017-09-19 | 东莞市翰胜金属制品有限公司 | A kind of radiator and its installation method for LED spotlight |
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| CN102853407A (en) * | 2012-09-10 | 2013-01-02 | 深圳市科普达光电有限公司 | Efficient LED lamp radiator |
| CN202884572U (en) * | 2012-10-17 | 2013-04-17 | 浙江畅朗照明有限公司 | Novel light-emitting diode (LED) bulb lamp |
| CN203249182U (en) * | 2013-04-07 | 2013-10-23 | 南京中电熊猫液晶显示科技有限公司 | LED and LED light bar |
| CN203731350U (en) * | 2014-02-25 | 2014-07-23 | 湖州积微电子科技有限公司 | Radiator of LED lamp |
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2014
- 2014-02-25 CN CN201410062570.3A patent/CN103776001A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006066530A1 (en) * | 2004-12-22 | 2006-06-29 | Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh | Lighting device comprising at least one light-emitting diode and vehicle headlight |
| CN101576205A (en) * | 2008-05-09 | 2009-11-11 | 范金晶 | LED bulb for replacing reflecting cup-shaped halogen bulb |
| CN202484776U (en) * | 2011-12-31 | 2012-10-10 | 东莞安尚崇光科技有限公司 | LED (Light-Emitting Diode) ceiling lamp |
| CN202603133U (en) * | 2012-05-28 | 2012-12-12 | 佛山市南海新达高梵实业有限公司 | Air cooling heat-dissipation sectional bar special for electrical equipment |
| CN102853407A (en) * | 2012-09-10 | 2013-01-02 | 深圳市科普达光电有限公司 | Efficient LED lamp radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107178760A (en) * | 2017-07-20 | 2017-09-19 | 东莞市翰胜金属制品有限公司 | A kind of radiator and its installation method for LED spotlight |
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Application publication date: 20140507 |