WO2016101674A1

WO2016101674A1 - Led arc-shaped lamp module group

Info

Publication number: WO2016101674A1
Application number: PCT/CN2015/091184
Authority: WO
Inventors: 莫忠堂; 章宇俊; 戴军历
Original assignee: 杭州戴利德稻照明科技有限公司
Priority date: 2014-12-26
Filing date: 2015-09-30
Publication date: 2016-06-30
Also published as: CN104776328A; CN104776328B

Abstract

Disclosed is an LED arc-shaped lamp module group, comprising: a cover (1), a glass lampshade (2), an LED light board (3), an arc-shaped heat dissipation device (4), comprising: an arc-shaped heat dissipation bottom plate (5) and a heat dissipation fin (6). Two ends of the heat dissipation bottom plate (5) are each disposed with a combination connection slot (9), the heat dissipation fin (6) is distributed on an upper surface of the heat dissipation bottom plate (5) in a fan-shaped arrangement and in a shape of vortex streamlines, the top of each heat dissipation fin (6) is a herringbone spiral involute diagonal face, the heat dissipation fins (6) are in an asymmetrically scattered distribution with respect to each other, neighboring heat dissipation fins (6) form an air guide slot (7), one end of the air guide slot (7) is closed, and an air convection vent (8) is arranged below the closed end of the air guide slot (7). The LED arc-shaped lamp module group can be freely combined to variously shaped lamps and has an excellent heat dissipation effect.

Description

LED curved lamp module

Technical field

The invention relates to the field of LED technology, in particular to an LED arc lamp module which can be freely combined into lamps of various shapes.

Background technique

When the LED light source is working, only 30% to 40% of the electrical energy is converted into light energy, and the rest of the electrical energy is converted into heat energy, and the accumulation of heat causes When the LED junction temperature rises, the LED luminous efficiency decreases and the life is reduced. During the use of the LED, the heat transfer and heat dissipation directly affect the quality of the LED lighting product.

technical problem

The existing LED lamp module usually has a straight strip design, and the heat sink fins are also designed with a square rectangular heat sink shape. The LED lamps composed of straight strip LED lamps are usually in the shape of a rectangular parallelepiped. The design, the shape is single, the shape is rigid, and the installation space cannot be used more reasonably, especially in some places where the car body needs to be installed in the curved part, and the design of the rectangular parallelepiped heat sink and the side-by-side heat sink can only be used. A single heat dissipation in one direction does not allow heat dissipation in a plurality of directions, and the heat dissipation effect is poor.

Technical solution

In order to solve the above technical problems, the present invention designs an LED that can be freely combined into various shapes and has excellent heat dissipation effect. Curved luminaire module.

The invention adopts the following technical solutions:

LED curved lamp module, including cover, glass lampshade, LED The light board, the heat sink and the heat sink are arc-shaped, the heat sink comprises a heat sink bottom plate and a heat sink fin, and the heat sink bottom plate is arc-shaped, and the two ends of the heat sink bottom plate are respectively provided with a combined connection groove, and the heat dissipation fins are vortex flow lines The shape is distributed in the fan-shaped arrangement on the upper surface of the heat sink bottom plate, and the top of each heat-dissipating fin is a herringbone spiral involute chamfering surface, and the heat-dissipating fins are asymmetrically distributed, and an air guiding groove is formed between the adjacent heat-dissipating fins. One end of the air trough is sealed, and a convection vent is arranged below the closed end of the air guiding trough. The LED The fins of the curved lamp module are arranged in a vortex streamline shape along the upper surface of the radiator bottom plate, and adopt a bionic vortex streamline wind guide design, and one end of the air guiding groove is sealed to surround the air in the air guiding groove. Circulation, guiding convective air through the whole fin, improving the heat dissipation effect, and the top of each fin is a herringbone spiral involute chamfer, and the fins are asymmetrically distributed between the fins, so that air flowing in different directions can be used to enter the guide. In the wind trough, even if the flowing gas in the direction of the vertical air guiding trough is blocked into the air guiding trough through the asymmetrically distributed cooling fins, the intercepting principle of the airflow in the direction of the vertical air guiding trough is the same, effectively intercepting the flowing air to take away the fins. Heat, a convection vent is provided below the closed end of the air guiding groove, so that the radiator can intercept the flowing gas in the direction of the vertical radiator to take away the heat of the fins, The heat sink of the LED arc lamp module can use the flowing airflow in all directions to dissipate heat, and the heat dissipation effect is excellent, and the LED The arc-shaped luminaire module is designed with a circular arc structure, which is convenient for designing lamps constituting various shapes, and has various shapes and can utilize various installation spaces more reasonably, and has wide application range.

Preferably, the end faces of both ends of the heat sink and the side faces of the front and rear sides are curved surfaces. Easy to LED by curved surface structure The luminaire modules are freely combined into various styles of luminaires.

Preferably, the upper surface of the heat sink base plate is a curved surface. The upper surface of the bottom plate of the radiator is a curved surface, so that the airflow in the up and down direction is conveniently flowed around the arc surface in the air guiding groove, fully contacting the heat dissipation fins, and taking away the heat of the heat dissipation fins.

Preferably, the highest point position of each of the heat dissipation fins is on a spiral involute. The design of the structure is most effective in intercepting airflow in all directions into the air guide.

Preferably, the inner chamfered surface of each of the fins in the chevron spiral involute chamfer is a right spiral involute, and the outer chamfered surface of each fin is a left spiral involute.

Preferably, a connecting positioning screw hole is disposed in the combined connecting groove at both ends of the heat sink.

DRAWINGS

Figure 1 is a schematic view showing the structure of the present invention;

2 is a schematic structural view of a heat sink according to the present invention;

3 is a schematic structural view of a heat dissipating fin arrangement manner in the present invention;

Figure 4 is a schematic view showing another structure of the heat sink of the present invention;

Figure 5 is a view showing the form of the product of the present invention;

Figure 6 is another morphological view of the product of the present invention;

Figure 7 is a third form view of the product of the present invention;

Figure 8 is a fourth form view of the product of the present invention;

In the figure: 1, cover, 2, glass cover, 3, LED light board, 4, heat sink, 5, radiator bottom plate, 6, heat sink fins, 7, air duct, 8, convection vents, 9, Combination connection groove, 10, connection positioning screw hole, 11, LED lamp module, 12, inner chamfering surface of heat dissipation fin, 13, outer chamfer surface of heat dissipation fin.

Embodiments of the invention

The technical solutions of the present invention are further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

Embodiments: As shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, an LED arc lamp module includes a cover 1, a glass lamp cover 2, an LED lamp plate 3, a heat sink 4, and a heat dissipation device. The heat sink base plate 5 and the heat dissipation fins 6 are arranged in a circular arc shape, and the heat dissipation bottom plate is provided with a combination connection groove 9 at both ends of the heat sink bottom plate, and the heat dissipation fins are arranged in a fan-shaped flow pattern in a fan shape. The method is distributed on the upper surface of the heat sink base plate, and the top of each heat dissipation fin has a herringbone spiral involute chamfering surface, and the heat radiating fins are asymmetrically distributed, and the air guiding groove 7 is formed between the adjacent heat radiating fins, and one end of the air guiding groove is formed. Confined, a convection vent 8 is disposed below the closed end of the air guiding groove, and the end faces of the heat sink and the sides of the front and rear sides are curved surfaces, and the upper surface of the heat sink bottom plate is a curved surface, and the highest point of each heat radiating fin On a spiral involute, the inner chamfered surface 11 of each fin of the herringbone spiral incision is a right spiral involute, and the outer chamfered surface 12 of each fin is a left spiral involute, at both ends of the radiator A connecting positioning screw hole 10 is disposed in the combined connecting groove.

The LED arc lamp module heat dissipation fins are arranged in a vortex streamline shape along the upper surface of the radiator bottom plate, and adopt a bionic vortex streamline wind guide design, and one end of the air guiding groove is sealed to make the air in the air guiding groove The surrounding circulation is formed, and the convective air is guided through the whole fin to improve the heat dissipation effect, and the top of each fin is a herringbone spiral involute chamfering surface, and the fins are asymmetrically distributed, so that air flowing in different directions can be utilized. When entering the air guiding trough, even if the flowing gas in the direction of the vertical air guiding trough is blocked into the air guiding trough through the asymmetric fins distributed, the intercepting principle of the airflow in the direction of the vertical air guiding trough is the same, effectively intercepting the flowing air to take away the heat dissipation. The heat of the fin is provided with a convection vent below the closed end of the air guiding groove, so that the radiator can intercept the flowing gas in the direction of the vertical radiator to take away the heat of the fin, and the radiator of the LED arc lamp module can utilize The flowing airflow in all directions is used for heat dissipation, and the heat dissipation effect is excellent, and the LED curved lamp module has a circular arc structure design, which is convenient for design and composition. Shaped lamps, modeling diversification, to more rational use of various installation space, a wide range.

As shown in FIG. 5, FIG. 6, FIG. 7 and FIG. 8, the LED lamp module 11 can form a rectangular lamp, or can form various circular lamps, and various other shapes of lamps. wide range.

The above-mentioned embodiments are only a preferred embodiment of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications are possible without departing from the technical solutions described in the claims.

Claims

The utility model relates to an LED arc lamp module, comprising a surface cover, a glass lamp cover, an LED light board and a heat sink, wherein the heat sink is arc-shaped, the heat sink comprises a heat sink bottom plate and a heat dissipation fin, and the heat dissipation bottom plate is In the arc shape, the two ends of the radiator bottom plate are respectively provided with a combination connection groove, and the heat dissipation fins are arranged in a fan-shaped arrangement on the upper surface of the radiator bottom plate in a fan-shaped arrangement manner, and the top of each heat dissipation fin is a herringbone spiral involute oblique section. The asymmetric fins are distributed alternately between the fins, and an air guiding groove is formed between the adjacent fins. The air guiding slot is sealed at one end, and a convection vent is disposed below the sealing end of the air guiding slot.
The LED arc lamp module according to claim 1, wherein the end faces of the two ends of the heat sink and the sides of the front and rear sides are curved surfaces.
The LED arc lamp module according to claim 1, wherein the upper surface of the heat sink bottom plate is a curved surface.
The LED arc lamp module of claim 1 , wherein the highest point of each of the heat dissipation fins is on a spiral involute.
The LED arc lamp module of claim 1 , wherein the inner chamfered surface of each of the fins in the herringbone spiral involute chamfer is a right spiral involute, and the outer side of each fin is The chamfered surface is a left spiral involute.
The LED arc lamp module according to claim 1, wherein the combination connecting groove at both ends of the heat sink is provided with a connection positioning screw hole.