WO2018099254A1

WO2018099254A1 - Led module

Info

Publication number: WO2018099254A1
Application number: PCT/CN2017/110140
Authority: WO
Inventors: 陈凯; 黄建明
Original assignee: 杭州华普永明光电股份有限公司
Priority date: 2016-12-01
Filing date: 2017-11-09
Publication date: 2018-06-07
Also published as: CN206234639U

Abstract

An LED module, comprising a heat sink (31), a light emitting assembly (33), a lens (35) and a threaded cover (36); the light emitting assembly (33) is fixed on the heat sink (31); the lens (35) is covered on the light emitting assembly (33); the threaded cover (36) is tightly pressed on the circle of the lens (35) and is connected with the heat sink (31) by means of a threaded structure. In the LED module, the threaded cover (36) is pressed on the circle of the lens (35) and is screwed to the heat sink (31); the threaded cover (36) also achieves a sealing effect, thereby being advantageous for improving the sealing and moisture-proof effect of the module; and the threaded cover (36) is screwed and pressed on the lens (35), thereby facilitating tightly pressing a sealing structure disposed at the fitting position of the lens (35) and the heat sink (31) and further improving the sealing and moisture-proof effect.

Description

LED module

Technical field

The utility model relates to the technical field of lighting device design, in particular to an LED module.

Background technique

With the international community's restrictions on carbon emissions and the promotion of energy conservation and emission reduction, people are looking for alternative light sources, LED light sources have become the object of exploration. LED lamps have the advantages of energy saving, long life, good applicability, short response time, environmental protection, beautiful colors, pure color and other colors, and are the development direction of the lighting industry.

The existing LED lamp usually includes one or more LED modules. The existing LED module has the following disadvantages: the module of the LED lamp has poor waterproof and moisture resistance performance, and if it is in a humid environment, the water vapor will penetrate the substrate, affecting LED lamp bead life even causes the LED lamp bead to be off; 2. The heat dissipation performance is poor. The heat dissipation is made of light-weight aluminum foil. The riveting link is used, and the heat conduction effect is poor, so that the heat generated by the LED lamp bead cannot be quickly discharged and gathered in the shell. The body, as a whole, affects the life of the LED lamp bead.

Utility model content

The present invention provides an LED module including a heat sink, a light emitting component, a lens, and a threaded cover, wherein the light emitting component is fixed on the heat sink, and the lens cover is disposed on The light-emitting assembly is mounted on the one turn of the lens, and the threaded cover is connected to the heat sink by a threaded structure.

Preferably, the heat sink and the lens are disposed at a sealing structure, and the threaded cover is spun on the lens and presses the sealing structure.

Preferably, the sealing structure comprises a solid silicone ring and a liquid silica gel coated on the side of the solid silicone ring.

Preferably, a snap structure is further connected between the lens and the heat sink, the buckle structure comprises at least one buckle disposed on the heat sink and at least one card disposed on the lens The hook is inserted into the buckle through the light-emitting component to be connected.

Preferably, the hook is disposed at a position in the middle or near the middle of the lens, and the buckle is disposed at a position in the middle or near the middle of the heat sink.

Preferably, the light emitting assembly comprises a substrate and a plurality of LED lamp beads disposed on the substrate, the substrate being fixed on the heat sink.

Preferably, a wire shield is disposed on a back surface of the heat sink, and an electric wire in the LED module is taken out from the wire shield after passing through the heat sink.

Preferably, the heat sink is composed of a circular body and a plurality of fins disposed on one end surface of the circular body, and the heat sink is formed by a cold forging process.

Preferably, the lens and the threaded cover are made independently of each other.

The utility model adopts the above technical solutions, and has the following advantages and positive effects compared with the prior art:

1) The LED module provided by the utility model is composed of a heat sink, a light-emitting component and a lens. Compared with the prior art, the lens is directly connected to the heat sink, and the utility model is pressed on the lens by a thread cover. And screwed on the heat sink, while the thread cover is used to fix the lens and the heat sink, the thread cover also plays a certain sealing effect, thereby facilitating the sealing and moisture proof effect of the module; meanwhile, the thread cover is rotated on the lens The upper part is favorable for pressing the sealing structure provided by the lens and the heat sink to further improve the sealing moisture-proof effect;

2) The LED module provided by the utility model is provided with a double-layer sealing effect by the fixing of the silicone ring and the liquid silicone between the lens and the heat sink, thereby improving the waterproofing effect by the screwing effect of the thread cover. Moisture resistance;

3) The LED module provided by the utility model, the middle part of the lens and the heat sink or near the middle part is also fastened by the buckle and the hook hook, so that the middle of the lens does not protrude, the light type and the light effect There is a significant improvement in the effect.

DRAWINGS

The above and other features and advantages of the present invention will be more clearly understood from the following detailed description of the appended claims.

Figure 1 is a cross-sectional view of the LED module of the present invention;

2 is a schematic view showing the splitting of the LED module of the present invention;

Figure 3 is a partial schematic view of Figure 1;

Figure 4 is a schematic view showing the structure of the lens of the present invention.

Symbol Description:

31-heat sink 32-fastening 33-lighting assembly

34-solid silicone ring 35-lens 36-thread cover

37-card hook

detailed description

Referring to the drawings showing embodiments of the invention, the invention will be described in more detail below. However, the invention may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are presented so that this disclosure will be thorough and complete, and the scope of the invention is fully understood by those skilled in the art. In the drawings, the size and relative dimensions of layers and regions may be exaggerated for clarity.

The utility model provides an LED module, which is suitable for various lamps such as street lamps, garden lamps and factory lamps.

1-4, the LED module includes a heat sink 31, a light-emitting component 33, a lens 35, and a threaded cover 36. The light-emitting component is fixed on the heat sink 31, and the lens 35 is disposed on the light-emitting component; The lens 35 is pressed on one turn, and the threaded cover 36 is connected to the heat sink 31 by a screw structure.

Compared with the prior art, in which the lens is directly connected to the heat sink, the present invention is pressed on the lens 35 by a threaded cover 36 and screwed onto the heat sink 31. The threaded cover 31 functions as a fixed lens 35. At the same time of the heat sink 31, the threaded cover 36 also has a certain sealing effect, thereby facilitating the sealing and moisture-proof effect of the LED module; meanwhile, the threaded cover 36 is spun on the lens 35, which is advantageous for pressing the lens 35 and the heat sink. 3 Sealing structure provided at the joint to further improve the sealing moisture-proof effect.

Referring to FIGS. 1-2, in the present embodiment, the heat sink 31 and the lens 35 are provided at a position where a sealing structure is provided, and the threaded cover 31 is spun on the lens 35 and presses the sealing structure. Further, the sealing structure comprises solid silica gel The ring 34 and the liquid silicone coated on the side of the solid silicone ring 34, the solid silicone ring 34 is located between the heat sink 31 and the lens 35 and is rotationally compressed by the threaded cover 36. The utility model provides a double-layer sealing effect by fixing the silicone ring 34 and the liquid silicone between the lens 35 and the heat sink 31, thereby improving the waterproof and moisture-proof performance.

Referring to FIG. 1-2, the light-emitting assembly 33 is disposed on the lower end surface of the heat sink 31, and the specific light-emitting assembly 33 can be locked on the lower end surface of the heat sink 31 by screws or the like. A plurality of fins are disposed on the upper end surface of the heat sink 31, and the light-emitting assembly 33 transfers heat to the heat sink 31, and then dissipates heat through the heat sink.

Wherein, the heat sink 31 comprises a circular body, the light-emitting component 33 is disposed on the lower end surface of the circular body, and a plurality of fins are arranged on the upper end surface of the circular body. The heat sink 31 and the heat sink are integrally formed by a cold forging process, and the heat sink can quickly discharge the heat emitted by the light-emitting component, thereby effectively improving the life of the light-emitting component 33, and is beneficial to energy conservation and environmental protection.

The light-emitting component 33 includes a substrate (PCBA) and a plurality of LED lamp beads disposed on the substrate, and the substrate is fixed on the heat sink 31.

In the embodiment, a snap structure is further connected between the lens 35 and the heat sink 31. 1 and 3, the buckle structure includes at least one buckle 32 disposed on the heat sink 31 and at least one hook 37 disposed on the lens 35. The hook 37 is inserted into the buckle 32 through the light-emitting assembly 33. The connection is made; wherein the hook 37 is disposed at a position in the middle or near the middle of the lens 35, and the buckle 32 is disposed at a position in the middle or near the middle of the heat sink 31; wherein the buckle 32 and the hook 37 can be respectively formed together The heat sink 31 and the lens 35, or the buckles 32 and the hooks 37 are separately formed, and are respectively fixed to the heat sink 31 and the lens 35 by a connecting member, which is not limited herein. The utility model is fastened by the buckle 32 and the hook 37 at the intermediate portion between the lens 35 and the heat sink 31 or near the intermediate portion, so that the lens 35 does not protrude in the middle, and the light type and the light effect are significantly improved. Effect.

In this embodiment, as shown in FIG. 4, three hooks 37 are disposed on the lens 35, and three buckles 32 are disposed on the heat sink 31, and three hooks 37 are evenly distributed around the center of the lens 35. The buckles 32 are evenly distributed around the center of the heat sink 31. Of course, in other embodiments, only one hook 37 can be disposed on the lens 35, and the hook 37 is located at a middle position of the lens 35, and the heat sink 31 is also provided with only one buckle 32, and the buckle 32 is provided. The position and the position of the buckle 32 and the hook 37 can be adjusted according to specific conditions, and are not limited herein.

In the present embodiment, the lens 35 and the threaded cover 36 are made separately and assembled to the heat sink 31. Of course, in other embodiments, the lens 35 and the threaded cover 36 may also be a unitary cover-like structure integrally formed. The threaded cover 36 may also be fixed to the heat sink 31 by a screw or the like, which is not limited herein. The lens 35 is fixed by a separate threaded cover 36, and the lens 35 and the threaded cover 36 are more uniformly biased and have a better sealing effect than the structure such as the snap-fit lens and the screw-fixing lens.

In this embodiment, a wire shield is disposed on the back surface of the heat sink 31, and the wires in the LED module pass through the heat sink and are then taken out from the wire shield. The utility model encloses the electric wire through the wire protective cover, thereby protecting the electric wire, thereby preventing the electric wire from being scratched by the heat radiating fin on the back surface of the heat sink 31.

Those skilled in the art will appreciate that the invention may be embodied in many other specific forms without departing from the spirit or scope. While the present invention has been described, it should be understood that the present invention is not to be construed as being limited to the embodiments, and those skilled in the art can make changes within the spirit and scope of the invention as defined by the appended claims And modified.

Claims

An LED module, comprising: a heat sink, a light emitting component, a lens and a threaded cover, wherein the light emitting component is fixed on the heat sink, the lens cover is disposed on the light emitting component; The cover is pressed against one of the lenses, and the threaded cover is coupled to the heat sink by a threaded structure.
The LED module according to claim 1, wherein the heat sink and the lens are disposed at a sealing structure, and the threaded cover is spun on the lens and presses the sealing structure.
The LED module according to claim 2, wherein the sealing structure comprises a solid silicone ring and a liquid silicone coated on a side of the solid silicone ring.
The LED module according to claim 1 or 3, wherein a snap structure is further connected between the lens and the heat sink, and the snap structure comprises at least one disposed on the heat sink. And a buckle and at least one hook disposed on the lens, wherein the hook is inserted into the buckle through the light emitting component to be connected.
The LED module according to claim 4, wherein the hook is disposed at a position in the middle or near the middle of the lens, and the buckle is disposed at a position in the middle or near the middle of the heat sink .
The LED module according to claim 1 or 3, wherein the light emitting assembly comprises a substrate and a plurality of LED lamp beads disposed on the substrate, the substrate being fixed on the heat sink.
The LED module according to claim 1, wherein a wire shield is disposed on a back surface of the heat sink, and an electric wire in the LED module is taken out from the wire shield after passing through the heat sink.
The LED module according to claim 1, wherein the heat sink is composed of a circular body and a plurality of fins disposed on one end surface of the circular body, and the heat sink is made by a cold forging process. .
The LED module according to claim 1, wherein said lens and said threaded cover are formed independently of each other.