CN201285011Y

CN201285011Y - Lamp cooling device

Info

Publication number: CN201285011Y
Application number: CNU2008201356846U
Authority: CN
Inventors: 洪银树; 宫原雅晴; 胡恒毓
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 2008-10-06
Filing date: 2008-10-06
Publication date: 2009-08-05
Anticipated expiration: 2018-10-06

Abstract

The utility model provides a lamp heat radiating device, comprising a lamp, at least a heat conducting pipe, at least a radiator and at least a fan, wherein, the lamp is provided with a base plate, and one surface of the base plate is provided with a plurality of luminous sources; the heat conducting pipe is arranged on the other surface of the base plate; the radiator is combined with one end of the heat conducting pipe; and the fan is arranged on one side of the radiator to drive the airflow to flow through the radiator, so the heat conducting pipe can conduct the heat produced by the lamp to the radiator, and at the same time, the fan is utilized to assist the radiator to rapidly radiate.

Description

Lamp heat-radiating device

Technical field

The utility model relates to a kind of heat abstractor, particularly about a kind of lamp heat-radiating device that light fixture itself is carried out thermolysis.

Background technology

TaiWan, China is announced M339636 number " LED lamp radiator structure () " and M339202 number " LED lamp radiator structure (two) " novel patent case, has a light fitting body, this light fitting body can be for light emitting diode is set, and this light fitting body convexes with several fin, and this fin spreads rapidly in order to the heat that auxiliary this light emitting diode is produced.

Yet, though the fin of aforementioned light fitting body can absorb the heat that this light emitting diode produces.Just, this fin but can't promptly carry out heat exchange after having absorbed heat.Because this fin periphery is without any the design of auxiliary heat dissipation, thus only can dispel the heat to light emitting diode by this fin itself and the thermal diffusion of air, so radiating efficiency is relatively poor.Therefore, the radiating rate of this fin can not show a candle to the speed that this light emitting diode produces heat, this fin has been absorbed but can't dispel the heat rapidly after the heat that light emitting diode produced and continue accumulation, cause the problem of the excessively long-pending heat of this fin, have a strong impact on the radiating effect of this light fixture integral body.

The utility model content

Main purpose of the present utility model provides a kind of lamp heat-radiating device, in order to further to promote the radiating effect of light fixture integral body.

According to lamp heat-radiating device of the present utility model, it comprises at least one light fixture, at least one heat pipe, at least one radiator and at least one fan.

This light fixture has a substrate, this substrate has two surfaces, one surface of this substrate is provided with several light emitting sources, this heat pipe is arranged at another surface of this substrate, this radiator combines with this heat pipe one end, and this fan is arranged at a side of this radiator, crosses this radiator to order about air flow stream, with auxiliary this radiator heat-dissipation.

Whereby, the beneficial effects of the utility model are to utilize the splendid thermal conduction characteristic of heat pipe, rapidly the heat that light fixture produced is conducted to radiator, simultaneously order about air flow stream and cross this radiator by fan, make this radiator and extraneous generation thermal convection current, promptly carry out heat exchange with auxiliary this radiator, to promote the radiating effect of light fixture integral body.

Description of drawings

Fig. 1: the stereo appearance figure of the utility model first embodiment.

Fig. 2: the floor map of the utility model first embodiment.

Fig. 3: the stereo appearance figure of the utility model second embodiment.

Fig. 4: the floor map of the utility model second embodiment.

Fig. 5: the stereo appearance figure of the utility model the 3rd embodiment.

Fig. 6: the floor map of the utility model the 3rd embodiment.

The main element symbol description:

1 light fixture, 11 substrates, 12 light emitting sources, 2 heat pipes, 3 radiators, 3 ' radiator

4 fans, 5 plate bodys, 6 heat pipes, 7 plate bodys, 8 heat pipes

The specific embodiment

For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and conjunction with figs. are described in detail below:

With reference to Figure 1 and Figure 2, the lamp heat-radiating device of the utility model first embodiment, it comprises a light fixture 1, a heat pipe 2, a radiator 3 and a fan 4.

This light fixture 1 has a substrate 11, and this substrate 11 has two surfaces, and wherein a surface is provided with several light emitting sources 12, and this light emitting source 12 is preferably light emitting diode (LED).

This heat pipe 2 is arranged at another surface of this substrate 11, this heat pipe 2 and the light emitting source 12 preferable positions in correspondence with each other, two surfaces that lay respectively at this substrate 11, and a wherein end of this heat pipe 2 may extend to outside this substrate 11.

This radiator 3 is incorporated into an end of this heat pipe 2, these radiator 3 preferable radiating fins of selecting for use, and these radiator 3 preferable these heat pipes 2 that are incorporated into extend to substrate 11 end outward.

This fan 4 is arranged at a side of this radiator 3, crosses this radiator 3 in order to order about air flow stream.Further, this fan 4 can be selected to utilize spiral shell if any physical bond mode such as be embedded and be fixed in this radiator 3, also can select to be arranged at the precalculated position of this light fixture case (not illustrating).

Whereby, when the lamp heat-radiating device of the utility model first embodiment is implemented, the heat that this light fixture 1 is produced can conduct to radiator 3 by this heat pipe 2 very rapidly, utilize this fan 4 to order about air flow stream simultaneously and cross this radiator 3, make this radiator 3 and extraneous generation thermal convection current, promptly carry out heat exchange with auxiliary this radiator 3, to promote whole radiating effect.

With reference to Fig. 3 and shown in Figure 4, the lamp heat-radiating device of the utility model second embodiment, it comprises a plate body 5, four light fixtures 1, four heat pipes 6, second radiator 3 ' and two fans 4.

This plate body 5 utilizes the preferable material of hot conductive performance to make, and preferable aluminium material.This plate body 5 has two surfaces, and wherein a surface can be for being provided with this each light fixture 1, and another surface can be for being provided with this each heat pipe 6, so that this each light fixture 1 and heat pipe 6 are integrated setting.

The overall structure of this light fixture 1 is identical with aforementioned first embodiment.This four light fixture 1 is arranged at a surface of this plate body 5, and the preferable equidirectional that is is arranged side by side, and this each light fixture 1 surface of light emitting source 12 not being set with its substrate 11 is incorporated into a surface of this plate body 5.

This four heat pipe 6 is arranged at another surface of this plate body 5, and this four heat pipe 6 and four light fixtures, the 1 preferable position in correspondence with each other, two surfaces that lays respectively at this plate body 5.A wherein end of this each heat pipe 6 may extend to outside this plate body 5, and has the bearing of trend of a heat pipe 6 in contrast to other heat pipes 6 at least.More in detail, can select at least two adjacent heat pipes 6 to extend in the opposite direction, also can select non-conterminous heat pipe 6 to extend towards identical direction.

This radiator 3 ' is incorporated into an end of this heat pipe 6, and preferable this each heat pipe 6 that is incorporated into extends to plate body 5 end outward.Present embodiment will be incorporated into a radiator 3 ' jointly towards the heat pipe 6 that equidirectional extends.Moreover, also can be chosen in these each heat pipe 6 one ends all separately in conjunction with a radiator 3 '.

This fan 4 is arranged at a side of this radiator 3 ', crosses this radiator 3 ' in order to order about air flow stream.Further, this fan 4 can be selected to utilize spiral shell if any physical bond mode such as be embedded and be fixed in this radiator 3 ', also can select to be arranged at the precalculated position of this light fixture case (not illustrating).

Whereby, when the lamp heat-radiating device of the utility model second embodiment is implemented, can reach rapid radiating effect equally.And present embodiment more can integrate several light fixtures 1 and heat pipe 6 and be arranged at a plate body 5, makes this light fixture 1 that large-area illumination can be provided on the one hand, and the heat abstractor of a globality can be provided this each light fixture 1 simultaneously.

With reference to Fig. 5 and shown in Figure 6, the lamp heat-radiating device of the utility model the 3rd embodiment, it comprises a plate body 7, two light fixtures 1, four heat pipes 8, second radiator 3 ' and two fans 4.

This plate body 7 utilizes the preferable material of hot conductive performance to make, and preferable aluminium material.This plate body 7 has two surfaces, and wherein a surface can be for being provided with this each light fixture 1, and another surface can be for this each heat pipe 8 is set.

The overall structure of this light fixture 1 is identical with aforementioned first embodiment and second embodiment.This two light fixture 1 is arranged at a surface of this plate body 7, and the preferable equidirectional that is is arranged side by side, and this each light fixture 1 surface of light emitting source 12 not being set with its substrate 11 is incorporated into a surface of this plate body 7.

This four heat pipe 8 is arranged at another surface of this plate body 7, this four heat pipe 8 and two light fixtures, the 1 preferable position in correspondence with each other, two surfaces that lays respectively at this plate body 7, and by two a heat pipes corresponding light fixture 1 of 8 while.Illustrate in greater detail, short two heat pipes 8 of selectable size are a corresponding light fixture 1 simultaneously, and the arrangement of this two heat pipe 8 can be the wherein mutual continued access of an end, and the other end then extends to outside this plate body 7 outward.

This radiator 3 ' is incorporated into this heat pipe 8 one ends, and preferable this heat pipe 8 that is incorporated into extends to plate body 7 end outward.The heat pipe 8 that present embodiment is adjacent with each is incorporated into a radiator 3 ' jointly.Further, also can be chosen in these each heat pipe 8 one ends all separately in conjunction with a radiator 3 '.

Whereby, when the lamp heat-radiating device of the utility model the 3rd embodiment is implemented, utilize the short heat pipe of two sizes 8 a corresponding light fixture 1 simultaneously, the heat that this light fixture 1 is produced can utilize this two heat pipe 8 to conduct rapidly, to shorten heat conducting distance and to promote heat conducting speed, make heat conduct to radiator 3 ' more quickly, further to promote heat dissipation.

In sum, the utility model can utilize the splendid thermal conduction characteristic of heat pipe really, rapidly the heat that light fixture produced is conducted to radiator, simultaneously order about air flow stream and cross this radiator by fan, make this radiator and extraneous generation thermal convection current, promptly carry out heat exchange with auxiliary this radiator, to promote whole radiating effect.

Claims

1, a kind of lamp heat-radiating device is characterized in that comprising:

One group of light fixture, it has a substrate, and this substrate has two surfaces, and one of them surface is provided with several light emitting sources;

A heat pipe is arranged at another surface of this substrate;

A radiator combines with this heat pipe one end; And

A fan is arranged at a side of this radiator.

2, lamp heat-radiating device according to claim 1 is characterized in that, this heat pipe one end extends to outside this substrate, and this radiator is incorporated into this heat pipe and extends to the outer end of substrate.

3, lamp heat-radiating device according to claim 1 is characterized in that, this lamp heat-radiating device more comprises a plate body, and this light fixture is arranged at a surface of this plate body, and this heat pipe is arranged at another surface of this plate body.

4, lamp heat-radiating device according to claim 3 is characterized in that, this heat pipe one end extends to outside this plate body, and this radiator is incorporated into this heat pipe and extends to the outer end of plate body.

5, lamp heat-radiating device according to claim 3 is characterized in that, this lamp heat-radiating device comprises at least one group of light fixture in addition, and this each light fixture is equidirectional and is arranged side by side.

6, according to claim 1,3 or 5 described lamp heat-radiating devices, it is characterized in that this lamp heat-radiating device more comprises another heat pipe, this another heat pipe one end combines with this radiator.

7, according to claim 1,3 or 5 described lamp heat-radiating devices, it is characterized in that, this lamp heat-radiating device comprises at least one heat pipe, at least one fan and at least one radiator in addition, and this at least one radiator of establishing in addition combines with an end of this at least one heat pipe of establishing in addition.

8, lamp heat-radiating device according to claim 7 is characterized in that, this each heat pipe is equidirectional and is arranged side by side, and this each radiator is incorporated into the opposite ends of this each adjacent heat pipe.

9, lamp heat-radiating device according to claim 7 is characterized in that, this each heat pipe is with the wherein mutual continued access of an end, and each radiator of the other end and this combines.