CN209876535U - COB light source structure - Google Patents

Abstract

The utility model relates to a LED packaging technology field just discloses a COB light source structure, including base and a plurality of wick, the standing groove has been seted up to the upper surface of base, the fixed heat-conducting plate that is equipped with in inside of standing groove, it is a plurality of the wick is all fixed to be set up at the upper surface of heat-conducting plate, the fixed ring guard that is equipped with of upper surface edge of heat-conducting plate, it is a plurality of the wick all sets up the inside at the ring guard, the fixed protection casing that is equipped with of upside of ring guard, the circumference wall of ring guard encircles the louvre of seting up a plurality of evenly distributed, a plurality of evenly distributed's jack is seted up to the tank bottom department of standing groove, and is a plurality of the inner wall of. The utility model discloses can constitute the better cooling system of a system to can carry out the heat that the wick sent and spill fast, improve the life of COB light source.

Description

COB light source structure

Technical Field

The utility model relates to a LED encapsulation technology field especially relates to a COB light source structure.

Background

The conventional COB light source unit comprises an aluminum substrate, an insulating circuit layer is arranged on the aluminum substrate, a base with a cavity is arranged on the insulating circuit layer, a wafer is arranged in the cavity of the base, and the wafer is coated by a silica gel material doped with fluorescent powder.

In the use (or aging) process of the conventional COB light source unit, the heat resistance of a silica gel material is limited, so that the high-power COB light source unit is often attenuated greatly after aging, and the silica gel cracks to cause lamp death and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving COB light source unit among the prior art and using (or ageing) in-process, because silica gel material's heat resistance is limited, for this reason high power COB light source unit often can appear the decay big, the problem of silica gel chap so as to die phenomenons such as lamp after ageing, and a COB light source structure that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a COB light source structure, includes base and a plurality of wick, the standing groove has been seted up to the upper surface of base, the fixed heat-conducting plate that is equipped with in inside of standing groove, it is a plurality of the wick is all fixed to be set up at the upper surface of heat-conducting plate, the fixed annular guard plate that is equipped with in upper surface edge of heat-conducting plate, it is a plurality of the wick all sets up the inside at the annular guard plate, the fixed protection casing that is equipped with of upside of annular guard plate, the circumference wall of annular guard plate encircles the louvre of having seted up a plurality of evenly distributed, the tank bottom department of standing groove sets up a plurality of evenly distributed's jack, and is a.

Preferably, it is a plurality of the inside of louvre just is close to the annular guard plate outside and all fixedly is equipped with the dust screen, and is a plurality of the dust screen all adopts non-metallic material to make.

Preferably, the left side and the right side of the lower surface of the base are both fixedly provided with supporting plates.

Preferably, the lower ends of the plurality of heat conduction pipes extend into the gap area below the pedestal.

Preferably, the protective cover consists of a fluorescent powder adhesive film and a sapphire sheet.

Preferably, the heat conducting plate, the annular protection plate and the heat conducting pipe are all made of silicone grease materials.

Preferably, the protective cover and the annular protection plate and the heat conduction plate are bonded through glue.

Compared with the prior art, the utility model provides a COB light source structure possesses following beneficial effect:

1. this COB light source structure through heat-conducting plate, annular guard plate, protection casing and the heat pipe that is equipped with, can constitute the better cooling system of a system to can carry out the heat that the wick sent and spill fast, improve the life of COB light source.

2. This COB light source structure through louvre and the dust screen of setting on annular guard plate, can increase annular guard plate and heat and external cold air's area of contact to improved the radiating effect, through setting up the backup pad at the base lower surface, can make the bottom of base form a clearance space, thereby be favorable to the heat pipe to carry out heat-conduction.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can constitute the better cooling system of a system to can carry out the heat that the wick sent and spill fast, improve the life of COB light source.

Drawings

Fig. 1 is a schematic structural diagram of a COB light source structure provided by the present invention;

fig. 2 is a schematic top view of the ring-shaped shielding plate in fig. 1.

In the figure: 1 base, 2 wick, 3 heat-conducting plates, 4 annular guard plates, 5 shields, 6 heat-conducting pipes, 7 louvres, 8 dust screens, 9 backup pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a COB light source structure, including base 1 and a plurality of wick 2, the standing groove has been seted up to the upper surface of base 1, the fixed heat-conducting plate 3 that is equipped with in inside of standing groove, a plurality of wicks 2 are all fixed to be set up the upper surface at heat-conducting plate 3, the fixed annular guard plate 4 that is equipped with of upper surface edge of heat-conducting plate 3, a plurality of wicks 2 all set up the inside at annular guard plate 4, the fixed protection casing 5 that is equipped with of upside of annular guard plate 4, the circumference wall of annular guard plate 4 encircles louvre 7 who sets up a plurality of evenly distributed, a plurality of evenly distributed's jack is seted up to the tank bottom department of standing groove, the inner.

The inside of a plurality of louvres 7 and be close to the annular guard plate 4 outside and all fixedly be equipped with dust screen 8, and a plurality of dust screens 8 all adopt non-metallic material to make, and louvre 7 can increase the area of contact of annular guard plate 4 with heat and external cold air to improve the radiating effect, dust screen 8 can reduce the inside that the dust got into annular guard plate 4 and protection casing 5.

The left side and the right side of the lower surface of the base 1 are both fixedly provided with supporting plates 9.

The lower ends of the heat pipes 6 all extend into the gap area below the susceptor 1, so that a gap space is formed at the bottom of the susceptor 1, thereby being beneficial to heat conduction of the heat pipes 6.

The protective cover 5 is composed of a fluorescent powder adhesive film and a sapphire sheet.

The heat-conducting plate 3, the annular protection plate 4 and the heat-conducting pipe 6 are all made of silicone grease materials, and the heat-conducting effect of the heat-conducting plate 3, the annular protection plate 4 and the heat-conducting pipe 6 can be improved.

The protective cover 5 and the annular protection plate 4 are bonded together and the annular protection plate 4 and the heat conduction plate 3 are bonded together through glue.

The utility model discloses in, during the use, heat-conducting plate 3 through being equipped with, annular guard plate 4, protection casing 5 and heat pipe 6, can constitute the better cooling system of a system, thereby can carry out the heat that wick 2 sent and spill out fast, the life of COB light source has been improved, through louvre 7 and the dust screen 8 of setting on annular guard plate 4, louvre 7 can increase annular guard plate 4 and heat and external cold air's area of contact, thereby the radiating effect has been improved, dust screen 8 can reduce the inside that the dust got into annular guard plate 4 and protection casing 5, through setting up backup pad 9 at base 1 lower surface, can make base 1's bottom form a clearance space, thereby be favorable to heat pipe 6 to carry out heat-conduction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a COB light source structure, includes base (1) and a plurality of wick (2), its characterized in that, the standing groove has been seted up to the upper surface of base (1), the fixed heat-conducting plate (3) that is equipped with in inside of standing groove, it is a plurality of wick (2) are all fixed to be set up at the upper surface of heat-conducting plate (3), the fixed annular guard plate (4) that is equipped with of upper surface edge of heat-conducting plate (3), it is a plurality of wick (2) all set up the inside at annular guard plate (4), the upside of annular guard plate (4) is fixed and is equipped with protection casing (5), the circumference wall of annular guard plate (4) encircles louvre (7) of having seted up a plurality of evenly distributed, a plurality of jack are seted up to the tank bottom department of standing groove heat pipe (6) are all fixed to be equipped with.

2. The COB light source structure of claim 1, wherein a plurality of dust screens (8) are fixedly arranged inside the heat dissipation holes (7) and outside the annular protection plate (4), and the dust screens (8) are made of non-metal materials.

3. The COB light source structure of claim 1, wherein support plates (9) are fixedly arranged on the left and right sides of the lower surface of the base (1).

4. A COB light source structure according to claim 1, characterized in that the lower ends of the heat-conducting pipes (6) each extend into the gap region below the base (1).

5. A COB light source structure according to claim 1, characterized in that the protective cover (5) consists of a phosphor glue film and a sapphire sheet.

6. A COB light source structure according to claim 1, characterized in that heat-conducting plate (3), annular protection plate (4) and heat-conducting pipe (6) all adopt silicone grease material to make.

7. A COB light source structure according to claim 1, characterized in that the protection casing (5) and the annular protection plate (4) and the heat-conducting plate (3) are glued together by glue.