CN201177247Y

CN201177247Y - LED lamps heat radiator

Info

Publication number: CN201177247Y
Application number: CNU2008200927718U
Authority: CN
Inventors: 张志海; 蔡小平
Original assignee: Dongguan Kingsun Optoelectronic Co Ltd
Current assignee: Dongguan Kingsun Optoelectronic Co Ltd
Priority date: 2008-03-24
Filing date: 2008-03-24
Publication date: 2009-01-07
Anticipated expiration: 2018-03-24

Abstract

The utility model relates to a radiator for an LED lamp, which is formed by a section of right prism shaped sections; in addition, a plurality of radiating column sections with the same shape are spliced to form a regular prism shaped radiator, the radiating column sections are molded and manufactured by the same mold, the radiator is provided with a plurality of radiating fins arranged in an array, a vent hole is arranged on the center position of the radiator, and the radiating fins are provided with radiating ribs and radiating grooves. After the radiating sections are manufactured by the mold, radiating columns with a preset length can be intercepted at will to assemble LED lamps with various specifications; and the radiating sections are suitable for batch production of the LED lamps, and have good radiating effect.

Description

The LED lamp radiator

Technical field

The utility model is a kind of LED lamp radiator.

Background technology

Along with the progressively development of LED lighting engineering, LED is applied to become on the light fixture trend in epoch.For the industrialization of LED light fixture, the most general problem is how to improve the electro-optical efficiency of LED and the radiating effect of light fixture itself, existing technical development has reached a bottleneck stage for electro-optical efficiency, and still has bigger development space for the radiating effect of light fixture.Existing the most common LED light fixture comprises street lamp, Landscape Lamp and garden lamp etc., the profile difference of various light fixtures, in order to reach ideal radiating effect, general manufacturing process all is at the different radiator of various Design of Luminaires, each light fixture all needs a special mould to produce radiator like this, it also is the mould that the light fixture of every kind of different size all needs supporting correspondence, be unfavorable for the batch process of LED light fixture, for the LED light fixture of also not too popularizing now, this has further improved the production cost of light fixture beyond doubt, gives that the LED light fixture is popular to have formed bigger obstacle.

Summary of the invention

At an above-mentioned difficult problem, the utility model provides a kind of LED lamp radiator, and it only needs a mold just can produce the radiator of the light fixture of all size, and it has better heat radiating effect.

The purpose of this utility model is to realize by following technical scheme: a kind of LED lamp radiator, it is characterized in that, described radiator profile is a right prism, on the inwall of each side of described radiator, be evenly equipped with many radiating fins, above-mentioned radiating fin is along radiator length direction extension and isometric with radiator, and all radiating fins surround an air vent with radiator inside; Described radiator profile is a regular prism, and radiator is put together by the identical thermal column of several shapes, and each thermal column has at least one side of above-mentioned regular prism; Have grab and the draw-in groove that matches respectively in inboard, mosaic, described thermal column both sides, two adjacent thermal columns are by grab and draw-in groove is engaged links together; Perhaps the mosaic between described thermal column has interconnected fixing hole; All be provided with a plurality of evenly distributed and heat radiation ribs that extend along the thermal column length direction on two sides of described radiating fin; The cross section of described heat radiation rib is semicircle shape, and has the radiating groove that recessed and cross section is semicircle shape between the adjacent heat radiation rib; The inboard of described radiator has the installing hole that array axis is provided with, and this installing hole all is positioned on the incline of radiator and extends and isometric with thermal column along the thermal column length direction; Described radiator is made by the hard Heat Conduction Material.

After adopting above-mentioned technical scheme, only need require the shaped material of radiator that provides in the utility model is provided, tighten in the radiator side to paste the LED lamp plate is installed, be assembled into a LED light fixture according to light fixture.Similarly, intercept the fixed thermal column of pre-fixed length, they are pieced together the straightedge cylinder radiator of an integral body again, for the LED light fixture of various different sizes, the thermal column that intercepts certain-length by the light fixture requirement carries out the needs that amalgamation just can be satisfied the making light fixture again.Radiator inside is provided with sufficient area of dissipation, no matter the installation hole wall of establishing in being, still the dispel the heat surface of rib and radiating groove, it all is desirable heat-delivery surface, can satisfy the heat radiation requirement of Landscape Lamp or garden lamp fully, in addition, the air vent that surrounds in the radiator inner heat fins can form cross-ventilation, reaches the effect that circulates heat radiation.

Description of drawings

Fig. 1 is the profile schematic diagram of radiator in the utility model;

Fig. 2 is a kind of amalgamation schematic diagram of radiator in the utility model;

Fig. 3 is a schematic diagram after the amalgamation among the utility model Fig. 2;

Fig. 4 is the another kind of amalgamation schematic diagram of radiator in the utility model;

Fig. 5 is a schematic diagram after the amalgamation among the utility model Fig. 4;

Fig. 6 is another amalgamation schematic diagram of radiator in the utility model;

Fig. 7 is a schematic diagram after the amalgamation among the utility model Fig. 6;

Fig. 8 is another amalgamation schematic diagram of radiator in the utility model;

Fig. 9 is a schematic diagram after the amalgamation among the utility model Fig. 8;

Figure 10 is the utility model figure grab and draw-in groove amalgamation enlarged diagram;

Figure 11 is heat radiation rib and a radiating groove enlarged diagram in the utility model.

The specific embodiment

LED lamp radiator profile of the present utility model is the three-dimensional shape of right prism, have a plurality of sides, be positioned in the radiator inner space and all be evenly equipped with many radiating fins 2 on each side, these radiating fins 2 are along radiator length direction extension and isometric with radiator, and all radiating fins 2 surround an air vent 8 with radiator inside.The contrast accompanying drawing also elaborates to the utility model in conjunction with the embodiments below.

The utility model is made of one section hard heat conduction section bar, as shown in Figure 1, directly be processed into the straightedge column by mould, and inside has many radiating fins 2, these radiating fins 2 are an integral body with radiator, along radiator length direction extension and isometric with radiator, all radiating fins 2 are isolated into a plurality of little spaces with the radiator inner space, and the top of radiating fin surrounds an air vent 8 at the radiator center; In addition the radiator local array be provided with a plurality of installing holes 7, these installing holes 7 are positioned at radiator inside, extend along the incline of right prism, also are all an overall structure with radiator.When making light fixture, intercepting needs the shaped material of radiator of length to be assembled into light fixture then to get final product.

The utility model also can be put together by the identical thermal column 1 of a plurality of shapes, radiator shape after the amalgamation still is a right prism, in order to simplify mould structure and production technology, radiator should adopt the regular prism shape, thermal column 1 also is to be made of one section hard heat conduction section bar, produce by the mould one-shot forming, the thermal column that intercepts several certain-lengths carries out promptly forming radiator after the amalgamation.Each thermal column 1 has one or more sides of regular prism, and the LED lamp plate can both be installed in each side.On thermal column 1, all be provided with installing hole 7 and radiating fin 2, installing hole 7 and radiating fin 2 all extend along thermal column 1 length direction, and it is isometric with thermal column 1, installing hole 7 and radiating fin 2 all are arranged in the radiator in array, make radiator stressed equiblibrium mass distribution in each position after installation but installing hole 7 is set like this; And the set-up mode that radiating fin 2 uniform arrays are arranged can make radiator each several part heat suitable, and can form an air vent 8 in the radiator center, can make the heat balance of each side of radiator, helps improving radiating efficiency.

The shape of radiator can be multiple profiles such as positive pentagonal prism, positive six prisms, positive seven prisms or positive eight prisms, constitute directly by the Mold Making moulding by one section hard heat conduction section bar, also can be put together by several thermal columns 1 with the one or more sides of regular prism radiator.Shape and amalgamation thereof to radiator describes with reference to the accompanying drawings.With reference to Fig. 2 and Fig. 3, the positive pentagonal prism that is put together by five thermal columns 1, thermal column 1 has a side of regular prism, two ends have grab 5 and the draw-in groove 6 that can work in coordination, five thermal column 1 end to end formation array axis, the draw-in groove 6 that grab 5 on the thermal column 1 is adjacent on the thermal column 1 is engaged, as shown in Figure 3, and five thermal columns 1 composition radiator that links together; As shown in Figure 4 and Figure 5, positive six prisms that are put together by three thermal columns 1, thermal column 1 has two sides of regular prism, two ends have grab 5 and the draw-in groove 6 that can work in coordination, six thermal column 1 end to end formation array axis, the draw-in groove 6 that grab 5 on the thermal column 1 is adjacent on the thermal column 1 is engaged, as shown in Figure 5, and six thermal columns 1 composition radiator that links together; As shown in Figure 6 and Figure 7, positive seven prisms that are put together by two thermal columns 1, thermal column 1 has 3.5 side of regular prism, thermal column 1 is provided with fixing hole 9, two thermal columns 1 are positioned at symmetric position, by screw 10 and brace 11 two thermal columns 1 are connected and fixed, as shown in Figure 7, the radiator of two thermal column 1 be combined intos; As Fig. 8 and shown in Figure 9, positive eight prisms that are put together by two thermal columns 1, thermal column 1 has four sides of regular prism, two ends have grab 5 and the draw-in groove 6 that can work in coordination, two thermal column 1 end to end formation array axis, the draw-in groove 6 that grab 5 on the thermal column 1 is adjacent on the thermal column 1 is engaged, as shown in Figure 5, and two thermal columns 1 composition radiator that links together.

By above-mentioned splitting mode as can be known, a plurality of thermal columns 1 can form array axis when arranging, and the mode that engages that can adopt grab 5 and draw-in groove 6 to be complementary between the thermal column 1 is connected and fixed; And a plurality of thermal columns 1 be when can only form symmetry arrangement, can only adopt the fixing hole of establishing in addition 9 sheet 11 that is connected to be connected and fixed between the thermal column 1, and when fixing hole 9 during in thermal column 1 side, brace 11 also can be substituted by the LED lamp plate.Also may adopt when certainly, a plurality of thermal column 1 can form array axis and arranges and establish fixing hole 9 sheet 11 that is connected in addition and be connected and fixed.With reference to Figure 10, it is the enlarged diagram of above-mentioned engagement connection mode, the hook portion of grab 5 is positioned at the groove of draw-in groove 6 fully, both are engaged to be connected and fixed two thermal columns 1, but grab 5 and draw-in groove 6 be one-shot forming processing when mould is produced thermal column 1, and they are all along thermal column 1 length direction extension and isometric with thermal column 1.

With reference to Figure 11, two side external surfaces of every radiating fin 2 are provided with a plurality of evenly distributed heat radiation ribs 3, and between two adjacent heat radiation ribs 3, be provided with radiating groove 4, heat radiation rib 3 epireliefs and radiating groove 4 is recessed, and heat radiation rib 3 all is a semi-circular shape with the cross sectional shape of radiating groove 4, making that like this surface area of radiating fin 2 is bigger, also is that area of dissipation is bigger, and radiating effect is more remarkable.In order to simplify follow-up manufacturing process, heat radiation rib 3 and radiating groove 4 all extend and isometric with thermal column 1 along thermal column 1 length direction, promptly by mould with thermal column 1 one-shot forming.

More easy for the production and the assembling that make radiator, in order to make light fixture can satisfy the brightness requirement of illumination, in above-mentioned several splitting modes, best mode is two thermal columns and forms positive eight prismatic radiator schemes simultaneously.Two the thermal column shapes and the material of the utility model radiator are identical, therefore adopt same mould to make thermal column.Behind the thermal column by light fixture requirement intercepting certain-length, the LED lamp radiator that can piece together various different sizes all needs the mould of supporting correspondence, helps the batch process of LED light fixture, can also reduce the production cost of light fixture to a certain extent.

Claims

1, a kind of LED lamp radiator, it is characterized in that: described radiator profile is a right prism, on the inwall of each side of described radiator, be evenly equipped with many radiating fins, above-mentioned radiating fin is along radiator length direction extension and isometric with radiator, and all radiating fins surround an air vent with radiator inside.

2, LED lamp radiator according to claim 1 is characterized in that: described radiator profile is a regular prism, and radiator is put together by the identical thermal column of several shapes, and each thermal column has at least one side of above-mentioned regular prism.

3, LED lamp radiator according to claim 2 is characterized in that: have grab and the draw-in groove that matches respectively in inboard, mosaic, described thermal column both sides, two adjacent thermal columns are by grab and draw-in groove is engaged links together.

4, LED lamp radiator according to claim 2, it is characterized in that: the mosaic between described thermal column has interconnected fixing hole.

5, LED lamp radiator according to claim 2 is characterized in that: all be provided with a plurality of evenly distributed and heat radiation ribs that extend along the thermal column length direction on two sides of described radiating fin.

6, LED lamp radiator according to claim 5, it is characterized in that: the cross section of described heat radiation rib is semicircle shape, and has the radiating groove that recessed and cross section is semicircle shape between the adjacent heat radiation rib.

7, LED lamp radiator according to claim 2 is characterized in that: the inboard of described radiator has the installing hole that array axis is provided with, and this installing hole all is positioned on the incline of radiator and extends and isometric with thermal column along the thermal column length direction.

8, according to the described LED lamp radiator of above-mentioned each claim, it is characterized in that: described radiator is made by the hard Heat Conduction Material.