CN201285011Y - Lamp heat dissipation device - Google Patents

Abstract

A lamp heat dissipation device comprises at least one lamp, at least one heat conduction pipe, at least one heat radiator and at least one fan. The lamp is provided with a substrate, a plurality of luminous sources are arranged on one surface of the substrate, the heat conduction pipe is arranged on the other surface of the substrate, the radiator is combined with one end of the heat conduction pipe, and the fan is arranged on one side edge of the radiator so as to drive airflow to flow through the radiator. Therefore, the heat conducting pipe can conduct heat generated by the lamp to the radiator, and meanwhile, the fan is used for assisting the radiator to quickly radiate heat.

Description

Lamp cooling device

technical field

The utility model relates to a heat dissipation device, in particular to a heat dissipation device for a lamp which performs heat dissipation on the lamp itself.

Background technique

China Taiwan Announcement No. M339636 "LED Lamp Heat Dissipation Structure (1)" and No. M339202 "LED Lamp Heat Dissipation Structure (2)" new patent case, with a lamp body, the lamp body can be provided with light-emitting diodes, and the lamp body A plurality of cooling fins are convexly arranged, and the cooling fins are used for assisting the rapid diffusion of the heat generated by the light-emitting diodes.

However, although the heat sink of the aforementioned lamp body can absorb the heat generated by the light-emitting diodes. It's just that the heat sink cannot exchange heat quickly after absorbing the heat. Because there is no auxiliary heat dissipation design around the heat sink, the light emitting diodes can only be dissipated by thermal diffusion between the heat sink itself and the air, so the heat dissipation efficiency is poor. Therefore, the heat dissipation speed of the heat sink is much lower than the speed of heat generated by the light-emitting diodes, so that the heat sink cannot dissipate heat quickly after absorbing the heat generated by the light-emitting diodes and continues to accumulate, resulting in the problem of excessive heat accumulation in the heat sink, which is serious. Affect the overall cooling effect of the lamp.

Utility model content

The main purpose of the utility model is to provide a heat dissipation device for a lamp, which is used to further improve the overall heat dissipation effect of the lamp.

According to the heat dissipation device for lamps of the present invention, it comprises at least one lamp, at least one heat pipe, at least one radiator and at least one fan.

The lamp has a substrate, the substrate has two surfaces, one surface of the substrate is provided with several light sources, the heat pipe is arranged on the other surface of the substrate, the radiator is combined with one end of the heat pipe, and the fan is provided On one side of the heat sink, the airflow is driven to flow through the heat sink to assist the heat sink to dissipate heat.

Thus, the utility model has the beneficial effect of using the excellent heat conduction characteristics of the heat pipe to quickly conduct the heat generated by the lamp to the radiator, and at the same time use the fan to drive the airflow to flow through the radiator, so that the radiator and the outside generate heat. Convection is used to assist the radiator to perform heat exchange quickly, so as to improve the overall heat dissipation effect of the lamp.

Description of drawings

Figure 1: A three-dimensional appearance view of the first embodiment of the utility model.

Fig. 2: A schematic plan view of the first embodiment of the utility model.

Fig. 3: A perspective view of the second embodiment of the utility model.

Fig. 4: A schematic plan view of the second embodiment of the utility model.

Fig. 5: A perspective view of the third embodiment of the utility model.

Fig. 6: A schematic plan view of the third embodiment of the utility model.

Description of main component symbols:

1 Lamp 11 Substrate 12 Light source 2 Heat pipe 3 Radiator 3’ Radiator

4 fan 5 plate body 6 heat pipe 7 plate body 8 heat pipe

Detailed ways

In order to make the above-mentioned and other purposes, features and advantages of the present utility model more obvious and easy to understand, the preferred embodiments of the present utility model are specially cited below, together with the accompanying drawings, for detailed description as follows:

Referring to FIG. 1 and FIG. 2 , the lamp cooling device of the first embodiment of the present invention includes a lamp 1 , a heat pipe 2 , a radiator 3 and a fan 4 .

The lamp 1 has a substrate 11, and the substrate 11 has two surfaces, one of which is provided with a plurality of light sources 12, and the light sources 12 are preferably light emitting diodes (LEDs).

The heat pipe 2 is arranged on the other surface of the substrate 11, the heat pipe 2 and the light source 12 are preferably respectively located at positions corresponding to the two surfaces of the substrate 11, and one end of the heat pipe 2 can extend to the outside the substrate 11.

The heat sink 3 is combined with one end of the heat pipe 2 . The heat sink 3 is preferably a cooling fin, and the heat sink 3 is preferably combined with the end of the heat pipe 2 extending out of the substrate 11 .

The fan 4 is disposed on one side of the radiator 3 for driving the air flow through the radiator 3 . Furthermore, the fan 4 can be fixed to the radiator 3 by any physical combination such as screwing or embedding, or can be installed at a predetermined position of the lamp housing (not shown).

Thereby, when the heat dissipation device for lamps in the first embodiment of the present invention is implemented, the heat generated by the lamp 1 can be quickly transferred to the radiator 3 through the heat pipe 2, and at the same time, the fan 4 is used to drive the air flow through the heat sink. The heat sink 3 is used to generate heat convection between the heat sink 3 and the outside, to assist the heat sink 3 to perform heat exchange quickly, so as to improve the overall heat dissipation effect.

Referring to Fig. 3 and Fig. 4, the lamp cooling device according to the second embodiment of the present invention includes a plate body 5, four lamps 1, four heat pipes 6, two radiators 3' and two fans 4.

The plate body 5 is made of a material with better heat conduction performance, preferably aluminum. The plate body 5 has two surfaces, one of which can be used for installing the lamps 1 , and the other surface can be used for installing the heat pipes 6 , so that the lamps 1 and the heat pipes 6 can be integrated.

The overall structure of the lamp 1 is the same as that of the aforementioned first embodiment. The four lamps 1 are arranged on one surface of the board 5 , preferably arranged side by side in the same direction, and each lamp 1 is bonded to a surface of the board 5 with the surface of the substrate 11 not provided with the light source 12 .

The four heat pipes 6 are disposed on the other surface of the board body 5 , and the four heat pipes 6 and the four lamps 1 are preferably respectively located on two surfaces of the board body 5 corresponding to each other. One end of each heat pipe 6 can extend out of the plate body 5 , and at least one heat pipe 6 is opposite to the extending direction of the other heat pipes 6 . More specifically, at least two adjacent heat pipes 6 may be selected to extend toward opposite directions, or non-adjacent heat pipes 6 may be selected to extend toward the same direction.

The heat sink 3' is combined with one end of the heat pipe 6, and is preferably combined with one end of each heat pipe 6 extending to the outside of the plate body 5. In this embodiment, the heat pipes 6 extending in the same direction are jointly combined into a heat sink 3'. Furthermore, it is also possible to choose to combine a heat sink 3' at one end of each heat pipe 6 respectively.

The fan 4 is arranged on one side of the heat sink 3' to drive the air flow through the heat sink 3'. Further, the fan 4 can be fixed to the radiator 3' by any physical combination such as screwing or embedding, or can be installed at a predetermined position of the lamp housing (not shown).

Thereby, when the heat dissipation device for lamps and lanterns of the second embodiment of the present invention is implemented, it can also achieve rapid heat dissipation effect. Moreover, in this embodiment, a plurality of lamps 1 and heat pipes 6 can be integrated on one plate body 5. On the one hand, the lamps 1 can provide large-area lighting, and at the same time, each lamp 1 can be provided with an integral heat dissipation device. .

Referring to Fig. 5 and Fig. 6, the lamp cooling device of the third embodiment of the present invention includes a plate body 7, two lamps 1, four heat pipes 8, two radiators 3' and two fans 4.

The plate body 7 is made of a material with better heat conduction performance, preferably aluminum. The board body 7 has two surfaces, one surface can be used for setting the lamps 1 , and the other surface can be used for setting the heat pipes 8 .

The overall structure of the lamp 1 is the same as that of the aforementioned first and second embodiments. The two lamps 1 are arranged on one surface of the board 7 , preferably arranged side by side in the same direction, and each lamp 1 is bonded to a surface of the board 7 with the surface of the substrate 11 not provided with the light source 12 .

The four heat conduction pipes 8 are arranged on the other surface of the plate body 7, the four heat conduction pipes 8 and the two lamps 1 are preferably respectively located at positions corresponding to each other on the two surfaces of the plate body 7, and the two heat conduction pipes 8 correspond to each other at the same time. A light fixture 1 . To describe in more detail, two shorter heat pipes 8 can be selected to correspond to one lamp 1 at the same time, and the arrangement of the two heat pipes 8 can be that one end of them is continuous with each other, and the other end extends outward to the board body 7 .

The heat sink 3' is combined with one end of the heat pipe 8, and is preferably combined with the end of the heat pipe 8 extending to the outside of the plate body 7. In this embodiment, each adjacent heat pipe 8 is jointly combined into a heat sink 3'. Further, it is also optional to combine a radiator 3' at one end of each heat pipe 8.

The fan 4 is arranged on one side of the heat sink 3' to drive the air flow through the heat sink 3'. Further, the fan 4 can be fixed to the radiator 3' by any physical combination such as screwing or embedding, or can be installed at a predetermined position of the lamp housing (not shown).

In this way, when the heat dissipation device for lamps in the third embodiment of the present invention is implemented, two shorter heat pipes 8 are used to correspond to one lamp 1 at the same time, so that the heat generated by the lamp 1 can be quickly conducted by using the two heat pipes 8, By shortening the distance of heat conduction and increasing the speed of heat conduction, the heat can be conducted to the radiator 3' more quickly, so as to further improve the heat dissipation performance.

To sum up, the utility model can indeed use the excellent heat conduction characteristics of the heat pipe to quickly conduct the heat generated by the lamp to the radiator, and at the same time use the fan to drive the airflow to flow through the radiator, so that the radiator and the outside generate heat. Convection to assist the radiator to perform heat exchange quickly to improve the overall cooling effect.

Claims (9)

1. A heat dissipation device for lamps, characterized in that it comprises: A set of luminaires having a base plate with two surfaces, one of which is provided with a plurality of light emitting sources; a heat pipe disposed on the other surface of the substrate; a heat sink coupled to one end of the heat pipe; and A fan is arranged on one side of the radiator. 2. The heat dissipation device for lamps according to claim 1, wherein one end of the heat pipe extends outside the base plate, and the heat sink is combined with the end of the heat pipe extending outside the base plate. 3. The lamp cooling device according to claim 1, wherein the lamp cooling device further comprises a board, the lamp is arranged on one surface of the board, and the heat pipe is arranged on the other surface of the board . 4. The heat dissipation device for lamps according to claim 3, wherein one end of the heat pipe extends outside the board, and the radiator is coupled to the end of the heat pipe extending outside the board. 5. The heat dissipation device for lamps according to claim 3, wherein the heat dissipation device for lamps further comprises at least one group of lamps, and the lamps are arranged side by side in the same direction. 6. The lamp heat sink according to claim 1, 3 or 5, characterized in that the lamp heat sink further comprises another heat pipe, and one end of the other heat pipe is combined with the heat sink. 7. The lamp cooling device according to claim 1, 3 or 5, characterized in that, the lamp cooling device further comprises at least one heat pipe, at least one fan and at least one radiator, and the additional at least one radiator and One end of the additionally provided at least one heat pipe is connected. 8 . The heat dissipation device for lamps according to claim 7 , wherein the heat pipes are arranged side by side in the same direction, and the radiators are connected to opposite ends of the adjacent heat pipes. 9. The heat dissipation device for lamps according to claim 7, wherein one end of each heat pipe is connected to each other, and the other end is combined with each heat sink.

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