CN203857435U - LED (Light-Emitting Diode) lamp radiator - Google Patents

Abstract

The utility model belongs to the field of lamps, and particularly relates to an LED (Light-Emitting Diode) lamp radiator. The LED lamp radiator comprises a barrel, main radiating fins radially arranged on the outer surface of the barrel, and a heat conducting plate arranged in the barrel, wherein a luminous chip of an LED lamp is arranged on the heat conducting plate; auxiliary radiating fins are arranged at the outer ends of the main radiating fins vertical to the main radiating fins; the outer side faces of the auxiliary radiating fins are provided with a plurality of radiating teeth. The main radiating fins and the auxiliary radiating fins are arranged in a T form. The LED lamp radiator has the advantages of low height, low material consumption, light weight and sufficient heat dissipation. Compared with the conventional LED lamp radiator, the LED lamp radiator has the advantages that the heat-dissipating efficiency can be increased by 20-30 percent under the condition of the same size, the power of the LED lamp can be increased by 3-6W, and the service life of the lamp is long.

Description

A kind of LED lamp radiator

Technical field

The utility model belongs to field of light fittings, relates 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.

Utility model content

The purpose of this utility model is to provide a kind of good heat dissipation effect, LED lamp radiator that volume is little for addressing the above problem.

To achieve these goals, the utility model adopts following technical scheme:

A kind of LED lamp radiator, comprise cylindrical shell, be arranged at radially barrel outer surface main fin, 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, is provided with some radiation tooths.

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.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.

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 guarantee 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.The heat conduction of fine aluminium slab is fast, and thermal conductivity is high.

Adopt above technical scheme, the utlity model 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, simple in structure, processing, installation, dismounting, easy to maintenance.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model;

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.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is further described.

The following stated is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.

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 main fin 11 is T set up of character patt ern with described secondary fin.Described main fin 11, secondary fin 13, radiation tooth 14 and pier pin 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.

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 with the junction of cylindrical shell 1, and described pier pin thickness is 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 (8)

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 main fin (11) is T set up of character patt ern with described secondary fin, described main fin (11) is provided with pier pin with the junction of cylindrical shell (1), described pier pin thickness is greater than described main fin (11) thickness.

2. a kind of LED lamp radiator according to claim 1, is characterized in that: described main fin (11), secondary fin (13), radiation tooth (14) and pier pin one are connected.

3. a kind of LED lamp radiator according to claim 2, is characterized in that: described secondary fin (13) is the arc coaxial with cylindrical shell (1).

4. a kind of LED lamp radiator according to claim 3, 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.

5. according to a kind of LED lamp radiator described in the arbitrary claim of claim 1-4, 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).

6. a kind of LED lamp radiator according to claim 5, 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).

7. a kind of LED lamp radiator according to claim 6, is characterized in that: described bonnet (6) inner side is provided with two double-screw bolts (61).

8. a kind of LED lamp radiator according to claim 7, is characterized in that: described heat-conducting plate (12) is fine aluminium slab.