CN201314535Y

CN201314535Y - Lamp source heat radiation module of street lamp and heat radiation fin thereof

Info

Publication number: CN201314535Y
Application number: CNU2008201327631U
Authority: CN
Inventors: 李哲纶; 许清闵; 陈荣发; 朱俊杰
Original assignee: Acbel Polytech Inc
Current assignee: Acbel Polytech Inc
Priority date: 2008-08-26
Filing date: 2008-08-26
Publication date: 2009-09-23
Anticipated expiration: 2018-08-26
Also published as: CN101660734A

Abstract

The utility model relates to a lamp source heat radiation module of street lamp and a heat radiation fin thereof, wherein the lamp source heat radiation module comprises a heat radiation fin and a plurality of point heat sources, the heat radiation fin extends a plurality of main heat conducting columns upwards on the top surface of a heat conducting base plate in a flat shape in an integrated forming way, and the plurality of point heat sources are directly arranged on the bottom surface of the heat conducting base plate, and each point heat source is just opposite to the main heat conducting column position of the relative top surface; therefore, high heat at the middle position of each point heat source can be quickly dissipated outwards by the main heat dissipation column; and because each main heat dissipation column is integrally formed with the heat conduction substrate, the thermal resistance at the joint between the main heat dissipation columns is the lowest, the heat of a point heat source can be quickly transferred to the main heat dissipation column above the point heat source, and the heat dissipation effect is improved.

Description

The lamp source heat-dissipating module and the fin thereof of street lamp

Technical field

The utility model is a kind of lamp source heat-dissipating module that is used for street lamp, refers to a kind of lamp source heat-dissipating module and fin thereof with great heat radiation effect especially.

Background technology

In view of the exhausted day by day energy, saving the energy now no longer is a slogan, but the action of must the whole people setting an example by personally taking part, except individual electricity consumption, the communal facility of serving the general public (as street lamp) power consumption is surprising especially, therefore seek more to economize the lamp source of electric energy, can be quite helpful for the power consumption that significantly reduces public lighting equipment such as street lamp.

Praised highly most at present according to energy-conservation with lamp nothing more than being LED lamp source, so government implementing road lamp energy-saving in the action, changing new-type saving LED street lamp into the old street lamp of part is superseded.Though yet use the street lamp in LED lamp source to have the ability of low power consumption, but also there is the problem of Yi Shenggao used heat in LED lamp source, therefore also there is relevant patent to propose solution at present, announce " LED street lamp and heat radiation module package assembly " utility application No. 30333 as TaiWan, China, and cooperation Fig. 9 and shown in Figure 10, its announcement has a groups of fins 50, one lamp bracket 51, a plurality of LED lamps source 52 and a plurality of heat pipe 53, wherein this groups of fins 50 and LED lamp source 52 are to be arranged at this lamp bracket 51 end faces and basal surface position respectively, and 52 places, lamp bracket 51 corresponding LED lamp sources are formed with perforation, for heat pipe 53 passes this lamp bracket 51 with groups of

fins

50 and 52 connections of corresponding LED lamp source, heat conduction by heat pipe 53, the used heat of LED lamp source 52 generations is directed at the groups of fins 50 of end face, with used heat dissipation, reach the effect of heat radiation by groups of fins 50.The structural design of this heat radiation module, owing to be connected by heat pipe between LED lamp source and the groups of fins, and groups of fins is main radiating component, thus the used heat that produces of LED lamp source directly heat conduction to this groups of fins, so the module that dispels the heat still has the shortcoming of poor heat radiation.

TaiWan, China is announced the utility model patent of No. 320642 " LED road lamp cooling structure " for another example, and consult shown in Figure 11, it connects radiating fin 60 and a plurality of LED lamps source 61 with heat pipe 601 equally, this utility model patent is for making excellent in heat dissipation effect, so radiating fin 60 is arranged on the lamp post 62, promptly be positioned at outside the lampshade 63, improve the radiating rate of radiating fin 60; Yet this radiator structure is still identical with a last utility model patent, and this radiating fin can't directly directly be connected with LED lamp source, so its used heat still can't conduct on the radiating fin fast.

Announce " LED radiator structure and have the street lamp of this LED lamp group radiator structure " utility model patent No. 314825 just as TaiWan, China, and see also Figure 12 and shown in Figure 13, it comprises a plurality of heat-sink units 70, a plurality of LED lamps source 71, one base 72 and a lid 73, wherein each LED lamp source 71 is to be arranged in the radiating fin 701 of corresponding heat-sink unit 70, and heat-sink unit 70 and LED lamp source 71 are to be located between base 72 and the lid 73, because radiating fin 701 is a kind of column type radiating fin that radially extends fin that has, so LED lamp source 71 just can be placed in this column type radiating fin 701, thus, the used heat that produces of LED lamp source can be directly and is conducted to radiating fin fast and dispel the heat; Yet more aforementioned two utility model patents of this heat spreader structures size are big and complicated.

The utility model content

Because the heat radiation module and the fin thereof of aforementioned various street lamps each have its shortcoming, so the utility model main purpose provides a kind of have quick heat radiating and street lamp lamp source heat-dissipating module and fin thereof simple in structure.

Desiring to reach the employed major technique means of above-mentioned purpose is to make this lamp source heat-dissipating module include:

One fin, it includes one and is the heat-conducting substrate of flat and from this heat-conducting substrate end face extended one-body moldedly a plurality of leading plume that makes progress; And

A plurality of heat point sources are the bottom surfaces that are arranged at this heat-conducting substrate, and wherein each heat point source is the leading plume position over against relative end face, and the heat that makes heat point source is fast by the outside dissipation of leading plume.

Because the temperature in heat point source centre position is the highest,, then must be in time the high heat of heat point source be shed fast so desire support level thermal source at a certain temperature; So the utility model mainly directly is arranged at a plurality of LED lamps source outside the heat-radiating substrate bottom surface, more make the main thermal column of its end face aim at heat point source position, bottom surface, fast high heat in the middle of it is shed; And each main thermal column is to make with heat-conducting substrate is one-body molded, and the thermal resistance at the place of connecting minimizes, and reaches the purpose of flash heat transfer.

Description of drawings

Fig. 1 is the utility model first preferred embodiment stereo appearance figure.

Fig. 2 is the stereo appearance figure of the utility model first preferred embodiment.

Fig. 3 A is the side view of the utility model first preferred embodiment.

Fig. 3 B is the side view of the utility model second preferred embodiment.

Fig. 4 is the vertical view of the utility model first preferred embodiment.

Fig. 5 is the vertical view of the utility model second preferred embodiment.

Fig. 6 is the vertical view of the utility model the 3rd preferred embodiment.

Fig. 7 is the street lamp main body exploded view of combination the utility model first preferred embodiment.

Fig. 8 is the combination appearance figure of Fig. 7.

Fig. 9 announces Fig. 1 of No. 30333 " LED street lamp and heat radiation module package assembly " utility model patent for TaiWan, China.

Figure 10 announces Fig. 4 of No. 30333 " LED street lamp and heat radiation module package assembly " utility model patent for TaiWan, China.

Figure 11 announces Fig. 3 of No. 320642 " LED road lamp cooling structure " utility model patent for TaiWan, China.

Figure 12 announces Fig. 3 of No. 314825 " LED radiator structure and have the street lamp of this LED lamp group radiator structure " utility model patent for TaiWan, China.

Figure 13 announces Fig. 4 of No. 314825 " LED radiator structure and have the street lamp of this LED lamp group radiator structure " utility model patent for TaiWan, China.

[primary clustering symbol description]

(10) (20a) (20b) fin of heat radiation module (20)

(21) the leading plume of heat-conducting substrate (22)

(23) teach plume (30) heat point source

(40) lamp housing (41) lamp bracket

(411) lampshade (50) groups of fins

(51) lamp bracket (52) LED lamp source

(53) heat pipe (60) radiating fin

(61) LED lamp source (62) lamppost

(63) lampshade (70) heat-sink unit

(701) radiating fin (71) LED lamp source

(72) base (73) lid

The specific embodiment

See also Fig. 1, Fig. 2, Fig. 3 A and shown in Figure 4, be 10 1 preferred embodiments of the utility model lamp source heat-dissipating module, it includes:

One fin 20, it includes one and is the heat-conducting substrate 21 of flat and from these heat-conducting substrate 21 end faces extended one-body moldedly a plurality of leading plume 22 that makes progress; In the present embodiment, a plurality of leading plumes 22 are to be matrix to arrange; And

A plurality of heat point sources 30 are the bottom surfaces that are arranged at this heat-conducting substrate 21, and wherein each heat point source 30 is leading plume 22 positions over against relative end face, and the heat that makes heat point source 30 is fast by leading plume 22 outside dissipations; In the present embodiment, each heat point source 30 is LED lamp source, and LED lamp source just constitutes a thermal source when lighting.

Because heat-conducting substrate 21 and the leading plume 22 on it are formed in one, and be solid construction, so the thermal resistance between heat-conducting substrate 21 and each the leading plume 22 is quite little, really can fast heat-conducting substrate 21 below heat point sources 30 upwards be conducted to the main thermal column 22 of its correspondence, by main thermal column 22 outwards with thermal transpiration.

Desire increases radiating effect again, see also shown in Fig. 5 and Fig. 3 B, second preferred embodiment for the utility model lamp source heat-dissipating sheet 20a, wherein this heat-conducting substrate 21 further includes a plurality of secondary thermal columns 23, in the present embodiment, each secondary thermal column 23 is one-body moldedly to extend upward from heat-conducting substrate 21 end faces, and between the adjacent leading plume 22 of each row, be aided with dissipation and conduct to the used heat of dominating between the plume 22, because the main used heat of heat point source is by main thermal column dissipation, but still having partly, heat conducts to heat-conducting substrate 21, so residue used heat can be by the in addition dissipation of auxilliary thermal column, therefore area of dissipation that should auxilliary thermal column 23 can be less than main thermal column 22, to save material, height that promptly should auxilliary thermal column and or thickness all less than main thermal column.

Please cooperate consult shown in Figure 6, be another preferred embodiment of the utility model fin 20b, be roughly the same with second preferred embodiment, be that a plurality of auxilliary thermal columns 23 extend upward from heat-conducting substrate 21 end faces with being formed in one, and between the adjacent leading plume 22 of each row, be aided with dissipation and conduct to the used heat of dominating between the plume 22.

The volume of the more main thermal column of volume of above-mentioned auxilliary thermal column is little again, and the length of main thermal column is to increase and make growth at LED lamp source power, to keep better heat radiating effect.

See also Fig. 7 and shown in Figure 8, be first preferred embodiment of above-mentioned lamp source heat-dissipating module 10 and the exploded view of lamp housing 40, lamp bracket 41 and lampshade 411, wherein these fin 20 peripheries are to screw togather fixing with lamp bracket 41, the LED lamp source that makes its bottom surface is to Transparent lamp shade that should the lamp bracket centre position, again the lamp housing 40 of top is covered on the lamp bracket 41 and with lamp bracket 41 sides afterwards and is connected and fixed, constitute a complete street lamp, for being connected with a lamppost.

As shown in the above description because LED lamp source is heat point source, so when used heat produces with the heat in centre position for the most concentrated and temperature is the highest, as if keeping the source normal operation of LED lamp, then must be in time the high heat in LED lamp source be shed fast; So, the utility model is except directly being arranged at a plurality of LED lamps source the heat-radiating substrate bottom surface, more aim at LED lamp source position, bottom surface by the main thermal column of its end face, fast its used heat is shed, owing to must increase the speed of conducting heat, so each main thermal column is to make with heat-conducting substrate is one-body molded, the thermal resistance at the place of connecting minimizes, and also reduces assembling procedure and the member that constitutes a street lamp relatively.

Claims

1. A light source cooling module, characterized in that it includes:

A heat sink, which includes a flat heat-conducting substrate and a plurality of main heat-conducting columns integrally extending upward from the top surface of the heat-conducting substrate; and

A plurality of point heat sources are arranged on the bottom surface of the heat-conducting substrate, and each point heat source is directly opposite to a leading heat column on the top surface, so that the heat of the point heat sources is rapidly dissipated from the main heat column.

2. The light source heat dissipation module according to claim 1, wherein a plurality of main heat dissipation columns are arranged in a matrix, wherein auxiliary heat dissipation columns are arranged between adjacent main heat dissipation columns of each column, and each auxiliary heat dissipation column It is integrally formed and extends upward from the top surface of the thermally conductive substrate.

3. The light source heat dissipation module according to claim 1, wherein a plurality of main heat dissipation columns are arranged in a matrix, wherein auxiliary heat dissipation columns are arranged between adjacent main heat dissipation columns in each row, and each auxiliary heat dissipation column is The integral molding extends upward from the top surface of the heat-conducting substrate.

4. The light source cooling module according to any one of claims 1 to 3, characterized in that a plurality of main heat columns are arranged in a matrix.

5. The light source heat dissipation module according to claim 4, wherein the heat dissipation area of each auxiliary heat dissipation column is smaller than that of each main heat dissipation column.

6. A heat sink, characterized in that it comprises:

a flat thermally conductive substrate; and

A plurality of main heat columns extend upwards integrally from the top surface of the heat conduction substrate.

7. The heat sink according to claim 6, characterized in that, a plurality of main heat dissipation columns are arranged in a matrix, wherein auxiliary heat dissipation columns are arranged between adjacent main heat dissipation columns in each column, and each auxiliary heat dissipation column is integrally formed extending upward from the top surface of the heat-conducting substrate.

8. The heat sink according to claim 6, characterized in that, a plurality of main heat dissipation columns are arranged in a matrix, wherein auxiliary heat dissipation columns are arranged between adjacent main heat dissipation columns in each row, wherein each auxiliary heat dissipation column is integrally formed from The top surface of the heat-conducting substrate extends upwards.

9. The heat sink according to any one of claims 6 to 8, characterized in that, a plurality of main heat columns are arranged in a matrix.

10. The heat sink according to claim 9, wherein the heat dissipation area of each auxiliary heat dissipation column is smaller than that of each main heat dissipation column.