CN203323065U - A light engine module capable of convective heat dissipation - Google Patents

Abstract

The utility model belongs to the technical field of the illumination lamps and lanterns technique and specifically relates to indicate a but radiating photo engine module of convection current. The LED lamp comprises a radiator, a light source, a reflecting cover and a shell, wherein the reflecting cover is connected with the lower end of the light source and is arranged in an inner cavity of the shell together, the upper end of the shell is fixedly connected with the radiator, the radiator comprises a plurality of radiating fins and a radiating bottom plate, one ends of the radiating fins are fixedly connected with the radiating bottom plate, and the radiating bottom plate is provided with radiating through holes communicated with the inner cavity of the shell; the shell is provided with a plurality of ventilation holes. Because the light source can produce a large amount of heat when luminous, lead to the inside and outside pressure difference of casing, the inside and outside gas of casing produces the convection current, consequently partly heat directly distributes away from ventilation hole and heat dissipation through-hole, and another part heat distributes away through the radiator in addition. The utility model discloses a radiating rate is fast, can effectively prolong the life of optical engine module.

Description

A light engine module capable of convective heat dissipation

technical field

The utility model relates to the technical field of lighting fixtures, in particular to a light engine module capable of convective heat dissipation.

Background technique

The structure of the light engine module in the prior art is generally assembled by a radiator and a light source. shell. During application, the light engine module will generate a lot of heat, so it is required to have good heat dissipation performance. However, the heat dissipation and convection performance of the existing light engine module is poor, which affects the service life of the light engine module.

Contents of the invention

Aiming at the problems in the prior art, the utility model provides an optical engine module that can dissipate heat by convection, has high heat dissipation speed, and prolongs the service life of the optical engine module.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A light engine module capable of convective heat dissipation, including a radiator, a light source, a reflector and a housing, the radiator is fixedly mounted on the upper end of the light source, the reflector is connected to the lower end of the light source, and the light source and the reflector are together Installed in the inner cavity of the housing, the upper end of the housing is fixedly connected to the radiator, the radiator includes a number of heat sinks and a heat dissipation bottom plate, one end of the heat dissipation fins is fixedly connected to the heat dissipation bottom plate, two adjacent heat sinks A heat dissipation space is formed between the sheets, and a heat dissipation through hole communicating with the inner cavity of the housing is provided on the heat dissipation bottom plate corresponding to the heat dissipation space; several ventilation holes are provided on the housing.

Wherein, the heat dissipation bottom plate is provided with several threaded through holes, and the housing is provided with screwed posts corresponding to the threaded through holes.

Wherein, the radiator further includes a heat dissipation center column, the lower end of the heat dissipation center column is fixedly connected to the heat dissipation bottom plate, and the heat dissipation fin is fixedly connected to the outer circumference of the heat dissipation center column.

Further, the heat dissipation central column, the heat dissipation fins and the heat dissipation bottom plate are integrally formed.

Wherein, a heat conduction plate is provided between the light source and the heat sink, and the heat conduction plate is fixedly connected to the back of the light source; when the light source is fixedly connected to the heat sink, the heat conduction plate abuts against the heat dissipation bottom plate.

Wherein, the light source is a COB-LED module.

The beneficial effects of the utility model:

   The light engine module in the utility model is provided with a heat dissipation through hole communicating with the inner cavity of the housing on the heat dissipation bottom plate, and several ventilation holes are arranged on the housing; since the light source will generate a large amount of heat when emitting light, the housing will The internal and external pressures are different, and the gas inside and outside the casing generates convection, so part of the heat is directly dissipated from the ventilation holes and heat dissipation through holes, and another part of the heat is dissipated through the radiator. The heat dissipation speed of the utility model is fast, and the service life of the light engine module can be effectively extended.

Description of drawings

FIG. 1 is a schematic structural diagram of a convective heat dissipation light engine module of the present invention.

FIG. 2 is an exploded view of the structure of a convective heat dissipation light engine module of the present invention.

Reference numerals in Figures 1 to 2 include:

1—radiator 11—heat sink 12—radiating bottom plate

13—Heat dissipation through hole 14—Threaded through hole 15—Heat dissipation center column

2—light source 3—reflector 4—housing

5—ventilation hole 6—screwed column 7—heat conduction plate.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not limitations of the utility model. Referring to Fig. 1 to Fig. 2, the utility model will be described in detail below in conjunction with the accompanying drawings.

A light engine module capable of convective heat dissipation provided by the utility model includes a radiator 1, a light source 2, a reflector 3 and a housing 4, the radiator 1 is fixedly installed on the upper end of the light source 2, and the reflector 3 is connected to the lower end of the light source 2, and the light source 2 and the reflector 3 are installed in the inner cavity of the housing 4, and the upper end of the housing 4 is fixedly connected to the radiator 1, and the radiator 1 includes a plurality of cooling fins 11 and Heat dissipation bottom plate 12, one end of the heat dissipation fins 11 is fixedly connected to the heat dissipation bottom plate 12, a heat dissipation space is formed between two adjacent heat dissipation fins 11, and a heat dissipation space with the housing 4 is provided on the heat dissipation bottom plate 12 corresponding to the heat dissipation space. The inner cavity communicates with the heat dissipation through hole 13; the housing 4 is provided with several ventilation holes 5.

Because the light source 2 will generate a lot of heat when it emits light, the pressure inside and outside the housing 4 will be different, and the gas inside and outside the housing 4 will convect, so a part of the heat can be emitted directly from the ventilation hole 5 and the heat dissipation through hole 13, and the heat will be quickly dissipated. There is another part of heat dissipated through the radiator 1. It can be seen that the heat dissipation speed of the utility model is fast, which can effectively prolong the service life of the light engine module. The utility model can be assembled with light sources 2 of different powers, and can be applied to housings 4 of different sizes and specifications, and has good compatibility.

In this embodiment, the heat dissipation bottom plate 12 is provided with several threaded through holes 14, and the housing 4 is provided with screwed posts 6 corresponding to the threaded through holes 14. The screwed column 6 of the body 4 is fixedly connected, which is convenient for installation and maintenance.

Wherein, the heat sink 1 further includes a heat dissipation center column 15 , the lower end of the heat dissipation center column 15 is fixedly connected to the heat dissipation bottom plate 12 , and the heat dissipation fins 11 are fixedly connected to the outer circumference of the heat dissipation center column 15 . Further, the heat dissipation central column 15 , the heat dissipation fins 11 and the heat dissipation bottom plate 12 are integrally formed. Wherein, a heat conduction plate 7 is provided between the light source 2 and the heat sink 1, and the heat conduction plate 7 is fixedly connected to the back of the light source 2; 12 abutments. In this embodiment, the light source 2 is a COB-LED module.

When the COB-LED module is energized to emit light, part of the heat generated by it is dissipated through convection, and most of the heat is dissipated through the radiator 1 . The heat is transferred from the back of the COB-LED module to the heat conduction plate 7 , and the heat conduction plate 7 then transfers the heat to the heat sink 11 , the heat dissipation bottom plate 12 and the heat dissipation center column 15 . Since the radiator 1 is provided with a plurality of cooling fins 11, its cooling area is relatively large, and the heat is quickly dissipated to achieve a good cooling effect.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (6)

1. A light engine module capable of convective heat dissipation, comprising a radiator, a light source, a reflector and a housing, the radiator is fixedly mounted on the upper end of the light source, the reflector is connected to the lower end of the light source, and the light source and the reflector The cover is installed in the inner cavity of the housing together, and the upper end of the housing is fixedly connected with the radiator, and it is characterized in that: the radiator includes a plurality of cooling fins and a cooling bottom plate, and one end of the cooling fins is fixedly connected with the cooling bottom plate, A heat dissipation space is formed between two adjacent heat dissipation fins, and a heat dissipation through hole communicating with the inner cavity of the casing is provided on the heat dissipation bottom plate corresponding to the heat dissipation space; several ventilation holes are arranged on the casing. 2. A light engine module that can dissipate heat by convection according to claim 1, wherein the heat dissipation bottom plate is provided with several threaded through holes, and the housing is provided with screw holes corresponding to the threaded through holes. post. 3. A light engine module that can dissipate heat by convection according to claim 1, wherein the heat sink also includes a heat dissipation center column, the lower end of the heat dissipation center column is fixedly connected to the heat dissipation base plate, and the The cooling fins are fixedly connected with the outer circumference of the cooling center column. 4 . The light engine module capable of convective heat dissipation according to claim 3 , wherein the heat dissipation center column, the heat dissipation fins and the heat dissipation bottom plate are integrally formed. 5 . 5. A light engine module that can dissipate heat by convection according to claim 1, wherein a heat conduction plate is provided between the light source and the heat sink, and the heat conduction plate is fixedly connected to the back of the light source; when the light source When fixedly connected with the radiator, the heat conducting plate abuts against the heat dissipation bottom plate. 6. A convective heat dissipation light engine module according to claim 1, wherein the light source is a COB-LED module.

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