CN201954319U

CN201954319U - High-power LED lamp with heat sink

Info

Publication number: CN201954319U
Application number: CN2011200157531U
Authority: CN
Inventors: 李东洋
Original assignee: XIAMEN MASITE OPTICS CO Ltd
Current assignee: XIAMEN MASITE OPTICS CO Ltd
Priority date: 2011-01-18
Filing date: 2011-01-18
Publication date: 2011-08-31
Anticipated expiration: 2021-01-18

Abstract

The utility model discloses a high-power LED lamp with a heat sink. The high-power LED lamp includes a fixing module, at least one illumination module arranged on the fixing module and provided with a heat dissipation matrix, at least one auxiliary heat dissipation module, and a power module electrically connected with the illumination module and providing power supply to the illumination. Fin-shaped blades used for enlarging the effective heat dissipation area are formed on the heat dissipation matrix; the auxiliary heat dissipation module is an axial flow fan arranged on the fixing module and placed right above the illumination module; and the number of the auxiliary heat dissipation module(s) is matched with that of the illumination module(s). The high-power LED lamp has the efficiencies of working efficiently, saving manpower and material resources, greatly lowering the cost and the like.

Description

A kind of high-power LED lamp of tool heat abstractor

Technical field

The utility model relates to the LED field, relates to a kind of high-power LED lamp of tool heat abstractor in particular.

Background technology

Energy-saving low-carbon has become the theme of current society, at present at illuminating industry, high-power LED lamp is greatly developed through recent years, its performance and illuminating effect are accepted by popular gradually, but wherein high led chip has but still occupied the cost of whole light fixture 35%-45%, thereby cause whole lamp cost too high and very difficultly accepted, become a urgent problem so how to reduce the cost of high-power LED lamp by market.

In view of this, the inventor has this case to produce at the too high defective further investigation of existing high-power LED lamp cost then.

The utility model content

The purpose of this utility model is to provide a kind of high-power LED lamp of tool heat abstractor, to solve the too high problem of high-power LED lamp cost in the prior art.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of high-power LED lamp of tool heat abstractor wherein, comprising:

Stuck-module;

At least one lighting module is arranged on the stuck-module, and has the heat radiation matrix, is formed with the fin-shaped fin that is used to increase the efficiently radiates heat area on this heat radiation matrix;

At least one auxiliary heat dissipation module, for be arranged on the stuck-module and be positioned at lighting module directly over axial flow blower, the quantity of this auxiliary heat dissipation module and the quantity of lighting module are complementary;

Power module is electrical connected with lighting module and provides power supply for lighting module.

Further, this stuck-module comprises two side fine strains of millet, preceding fine strain of millet, the back rest, lamp stand joint and top cover, and this lamp stand joint is fixed on the back rest, and two side fine strains of millet, preceding fine strain of millet and back fine strains of millet then are fixedly linked by screw by adapter respectively.

Further, all be formed with the steam vent that forms gas circuit between confession and the axial flow blower inlet on this top cover and each the side fine strain of millet.

Further, this auxiliary heat dissipation module is fixed on the top cover.

Further, this auxiliary heat dissipation module is fixed on the top cover by screw or rivet.

Further, lighting module is fixed on the stuck-module by screw.

Further, this power module comprises that fixed head, blower fan drive watch-dog and LED driving power, this blower fan drives watch-dog and the LED driving power all is fixed on the fixed head, this fixed head is fixed on the stuck-module, and the quantity of this blower fan driving watch-dog, LED driving power is corresponding one by one with the quantity of lighting module.

After adopting said structure, the high-power LED lamp of a kind of tool heat abstractor that the utility model relates to, it has following beneficial effect at least:

One, the utility model is by being provided with the heat radiation matrix, being formed on the heat radiation matrix and can increasing the fin-shaped fin of efficiently radiates heat area and be arranged on auxiliary heat dissipation module on the stuck-module on the lighting module, thereby the heat that lighting module is produced in the course of the work promptly carries out convective heat exchange with environment, and then the LED in the assurance lighting module can be under high electric current steady operation, promptly have the characteristics of efficiency operation;

Two, the utility model is the separate modularization setting of stuck-module, lighting module, auxiliary heat dissipation module and power module owing to what adopt, so the damage of one of them module can not have influence on the illumination of whole lamp, its need of while disassemble independent maintenance with the module of damaging and get final product, thereby can use manpower and material resources sparingly and reduce cost greatly.

Description of drawings

Fig. 1 sends the schematic diagram that concerns between the luminous flux for the expression operating current of led chip and its;

The schematic diagram of Fig. 2 for concerning between the expression working node temperature of led chip and its release luminous flux;

Schematic diagram when the high-power LED lamp of Fig. 3 a kind of tool heat abstractor for the utility model relates to partly decomposes;

Fig. 4 is for carrying out the schematic diagram of luminance test test to the LED light fixture;

Fig. 5 is the schematic perspective view of lighting module in the utility model;

Fig. 5 A is the front view of Fig. 5;

Fig. 6 is the schematic perspective view of lighting module in the prior art;

Fig. 6 A is the front view of Fig. 6.

Among the figure:

High-power LED lamp 100

Stuck-module 1 side fine strain of millet 11

Fine strain of millet 12 before the steam vent 111

The back rest 13 lamp stand joints 14

Top cover 15 steam vents 151

Adapter 16 lighting modules 2

Heat radiation matrix 21 fin-shaped fins 211

Auxiliary heat dissipation module 3 axial flow blowers 31

Power module 4 fixed heads 41

Blower fan drives watch-dog 42 LED driving powers 43

LED light fixture L plane of illumination G

Illumination test point G1.

The specific embodiment

In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.

As shown in Figure 1, its abscissa is the drive current of led chip, and ordinate is the luminous flux of led chip then, and curve as can be seen from figure: along with the rising of drive current, the luminous flux of led chip also raises synchronously; As shown in Figure 2, its abscissa is the junction temperature of led chip, and ordinate is an optical efficiency then, and curve as can be seen from figure: along with the rising of led chip junction temperature, the luminous efficiency of led chip also can and then reduce.

As shown in Figure 3, the high-power LED lamp 100 of a kind of tool heat abstractor that it relates to for the utility model comprises stuck-module 1, at least one lighting module 2, at least one auxiliary heat dissipation module 3 and power module 4, wherein:

This stuck-module 1, it is as the carrying main body of whole high-power LED lamp 100; Concrete, this stuck-module 1 comprises two side fine strains of millet 11, preceding fine strain of millet 12, the back rest 13, lamp stand joint 14 and top cover 15, this lamp stand joint 14 is fixed on the back rest 13, two side fine strain of millet 11, preceding fine strain of millet 12 and back fine strain of millet then are fixedly linked by screw by adapter 16 respectively, promptly form a carrying main body reliable and stable and ventilation effect is good thus; Preferably, all be formed with steam vent 151,111 on this top cover 15 and each side fine strain of millet 11, the gas circuit that formation is connected between this steam vent 151,111 and following axial flow blower 31 inlets;

This at least one lighting module 2, be arranged on the stuck-module 1, and have the heat radiation matrix 21, be formed with fin-shaped fin 211 on this heat radiation matrix 21, this fin-shaped fin 211 can increase the effect of efficiently radiates heat area, thereby can make whole lighting module 2 have preferable heat radiation function, concrete, lighting module 2 all is fixed on the stuck-module 1 by screw;

This at least one auxiliary heat dissipation module 3, it is an axial flow blower 31, this axial flow blower 31 is arranged on the stuck-module 1, and be positioned at lighting module 2 directly over, the quantity of the quantity of this auxiliary heat dissipation module 3 and lighting module 2 is complementary, concrete, this auxiliary heat dissipation module 3 is fixed on the top cover 15 by screw or rivet;

This power module 4 is electrical connected with lighting module 2 and provides power supply for lighting module 2; Concrete, this power module 4 comprises that fixed head 41, blower fan drive watch-dog 42 and LED driving power 43, this blower fan drives watch-dog 42 and LED driving power 43 all is fixed on the fixed head 41, this fixed head 41 is fixed on the stuck-module 1, the quantity of this blower fan driving watch-dog 42, LED driving power 43 is corresponding one by one with the quantity of lighting module 2, this fixed head 41 plays the effect of carrying, and this blower fan drives watch-dog 42 and then is used for monitoring and 31 runnings of driving shaft flow fan;

The utility model is when work, the entry into service under the driving of blower fan driving watch-dog 42 of this axial flow blower 31, the heat that the air quantity that produces produces when lighting module 2 is worked photographed outside the light fixture rapidly by steam vent on measuring and the steam vent on the top cover 15, thereby quicken the thermal cycle around the whole LED light fixture, and the node temperature can reduce the work of led chip (not shown) in the lighting module 2 in time the time, and then guarantee under the condition of work of high electric current, led chip can produce higher luminous flux, if when promptly only needing the equivalent luminous flux, can reduce the sheet number of led chip in the lighting module 2.In addition, the utility model is because what adopt is the separate modularization setting of stuck-module 1, lighting module 2, auxiliary heat dissipation module 3 and power module 4 four, so the damage of one of them module can not have influence on the illumination of whole lamp, its need of while disassemble independent maintenance with the module of damaging and get final product, thereby can use manpower and material resources sparingly and reduce cost greatly.

Below in conjunction with Fig. 4, Fig. 5, Fig. 5 A, Fig. 6 and Fig. 6 A the actual effect that the utility model structure is had is described.

Fig. 4 is for carrying out the schematic diagram of luminance test test to the LED light fixture, wherein, L is the LED light fixture, and G is a plane of illumination, G1 is the illumination test point, adopts mode shown in Figure 4 to come different lighting module 2 (the LED specification that following usefulness is different illustrates) is experimentized below:

Table 1:

Initial

By the data in the table 1 as can be known: improve the drive current of led chip, can make the illumination of led chip increase, but can not improve the optical efficiency of led chip effectively.In table 1, increase by one on the basis of led chip below and quicken the axial flow blower 31 that air flows, and carry out same experiment and obtain table 2:

Table 2:

By the data in the table 2 as can be known: increase after the axial flow blower 31, the illumination 2400Lux before the illumination 3000Lux after the thermal balance will be higher than, this shows adopted axial flow blower 31 after, can improve actual utility greatly.

See also below shown in Fig. 5, Fig. 5 A, Fig. 6 and Fig. 6 A, wherein, Fig. 5 and Fig. 5 A show the lighting module 2 in the utility model, and Fig. 6 and Fig. 6 A then show existing lighting module 2; Be that lighting module 2 of the present utility model has fin-shaped fin 211 existing lighting modules 2 and then do not have fin-shaped fin 211, experimentizing so once more obtains table 3:

Table 3:

Associative list 1, table 2 and table 3 if led chip is worked at a certain temperature, then promote the optical efficiency that electric current can improve led chip effectively; In other words, for identical light fixture total light flux: take to strengthen electric current, choose suitable heat sink material, add strong cooling heat dissipation and strengthen the light fixture area of dissipation, just can reach with the led chip of lesser amt.The LED light fixture that adopts the utility model to relate to thus then can have cost-effective greatly effect.

The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.

Claims

1. the high-power LED lamp of a tool heat abstractor is characterized in that, comprising:

Stuck-module;

2. the high-power LED lamp of a kind of tool heat abstractor as claimed in claim 1, it is characterized in that, this stuck-module comprises two side fine strains of millet, preceding fine strain of millet, the back rest, lamp stand joint and top cover, this lamp stand joint is fixed on the back rest, and two side fine strains of millet, preceding fine strain of millet and back fine strains of millet then are fixedly linked by screw by adapter respectively.

3. the high-power LED lamp of a kind of tool heat abstractor as claimed in claim 2 is characterized in that, all is formed with the steam vent that forms gas circuit between confession and the axial flow blower inlet on this top cover and each the side fine strain of millet.

4. the high-power LED lamp of a kind of tool heat abstractor as claimed in claim 2 is characterized in that, this auxiliary heat dissipation module is fixed on the top cover.

5. the high-power LED lamp of a kind of tool heat abstractor as claimed in claim 4 is characterized in that, this auxiliary heat dissipation module is fixed on the top cover by screw or rivet.

6. the high-power LED lamp of a kind of tool heat abstractor as claimed in claim 1 is characterized in that lighting module is fixed on the stuck-module by screw.

7. the high-power LED lamp of a kind of tool heat abstractor as claimed in claim 1, it is characterized in that, this power module comprises that fixed head, blower fan drive watch-dog and LED driving power, this blower fan drives watch-dog and the LED driving power all is fixed on the fixed head, this fixed head is fixed on the stuck-module, and the quantity of this blower fan driving watch-dog, LED driving power is corresponding one by one with the quantity of lighting module.