CN102818160A

CN102818160A - LED lamp capable of guiding airflow exchange and radiation

Info

Publication number: CN102818160A
Application number: CN2012103178280A
Authority: CN
Inventors: 刘忠祺; 李化铮
Original assignee: Shenzhen Laike Photoelectric Science & Technology Co Ltd; Shenzhen Jiawei Photovoltaic Lighting Co Ltd
Current assignee: Shenzhen Laike Photoelectric Science & Technology Co Ltd; Shenzhen Jiawei Photovoltaic Lighting Co Ltd
Priority date: 2012-08-31
Filing date: 2012-08-31
Publication date: 2012-12-12
Anticipated expiration: 2032-08-31
Also published as: CN102818160B

Abstract

The invention discloses an LED lamp capable of guiding airflow exchange and radiation. The LED lamp is mainly characterized in that an airflow guide set is additionally arranged on a base, an accommodating space partition of the base is partitioned into at least a first airflow channel and a second airflow channel by the airflow guide set, at least one first opening corresponding to the second airflow channels is arranged on the periphery of the base, and at least one second opening is arranged at the position, corresponding to a fan, on the periphery of the base. Therefore, outside air can be guided into via each second airflow channel and outputted by each first opening, then enters the inside of the bas via each second opening and is guided out from each first airflow channel under the action of the fan, airflow circulation and exchange are formed, radiating efficiency is improved greatly, and the service life of the LED lamp is prolonged. Besides, the problem of limitations on mounting positions of the LED lamp is effectively solved, and use range of the LED lamp is widened.

Description

But the LED light fixture of air-guiding exchange, heat radiation

Technical field

The present invention relates to a kind of LED light fixture, but the LED light fixture of the exchange of particularly a kind of steering current, heat radiation.

Background technology

Consult Fig. 1, existing LED light fixture 1 includes a pedestal 11, and this pedestal 11 is formed with the protective cover 10, that an accommodation space 111, is located on pedestal 11 ora terminalis and is located at the light source module 12 in the accommodation space 111, and a heat abstractor 13; Wherein, this light source module 12 has the substrate 121, of an electric connection and is located at the optical reflector 122 on the substrate 121, and at least one LED lamp of being located on this substrate 121 123; This heat abstractor 13 has the outer radiating fin group 131 of optical reflector be located at 122, and the fan 132 be located under the substrate 121.During use, LED lamp 123 utilizes substrate 121 to connect the electric power of supplying, and through optical reflector 122 light is radiated away, uses for illumination, and produced simultaneously heat energy outwards disengages through fan 132 and radiating fin group 131.

See also shown in Figure 2ly, the actual back of using is found, the waste hot gas that this LED light fixture 1 is produced in luminous back, though but the wind-force that mat fan 132 produces through radiating fin group 131 this waste hot gas is outwards disengaged; Yet; The quality of its radiating effect depends on heat radiation material coefficient, therefore if radiating fin group 131 is used better heat radiation material, then helps heat radiation; Relative if use the material chump; Then can make this LED light fixture 1 be easy to generate superheating phenomenon, cause this LED light fixture 1 to damage because of waste hot gas can't effectively disengage.

Moreover the fabricating yard also is one of reason that influences radiating effect, if the pedestal 11 of this LED light fixture 1 is installed between the splinting layer like ceiling, and the place, space that perhaps can make it to expose like track lamp etc., this LED light fixture 1 integral body can present preferable radiating effect; Otherwise; If the confined space that the pedestal 11 of this LED light fixture 1 is embedded on the ground G uses, add that LED lamp 123 carries out can producing quantity of waste heat gas during the long-time light source irradiation through optical reflector 122, this moment, the ground G material that not only is sealed fully of pedestal 11 of this LED light fixture 1 enveloped; Add closed type protective cover 10 designs of this LED light fixture 1; Make between radiating fin group 131 and the pedestal 11 only surplus narrow and small accommodation space 111 can supply waste hot gas (shown in Fig. 2 dotted arrow) to discharge, does not but have to let and make the cool ambient air entering, cause the outside radiating effect of waste hot gas limited; Cause quantity of waste heat gas to retain in the accommodation space 111; It is overheated to be prone to make this LED light fixture 1 to produce, and very easily causes this LED light fixture 1 to damage fast, haves much room for improvement in fact.

Summary of the invention

But the object of the present invention is to provide the LED light fixture of the exchange of a kind of air-guiding, heat radiation, promoting the radiating effect of this LED lamp greatly, and increase the scope of application of this LED light fixture greatly.

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

But the LED light fixture of the exchange of a kind of air-guiding, heat radiation, it includes a pedestal, and this pedestal is formed with an accommodation space, and one is located at the light source module in this accommodation space, and the heat abstractor that is connected with this light source module; Wherein, this light source module has the substrate of an electric connection, and one is located at the optical reflector on this substrate, and at least one LED lamp of being located on this substrate; This heat abstractor has the fan of being located under the substrate, and one be located between substrate and fan and coat optical reflector the radiating fin group; Also be provided with an air-flow guiding group on the said pedestal; This air-flow guiding group is separated out at least one first, second gas channel with the accommodation space cut section; First gas channel supplies light source module wherein ccontaining, offers first perforate of corresponding second gas channel simultaneously on the periphery of this pedestal at least, offers one second perforate at least in the position of corresponding fan; Second gas channel is connected with the pedestal outside through first perforate, and second perforate is connected with fan.

Also be provided with a protective cover on the said pedestal, offer the air-vent that a plurality of and said gas channel is communicated with on this protective cover.

Said air-flow guiding group has a main body, and a plurality of by the outward extending radiating fin of this main body.

Said air-flow guiding is mounted on the protective cover, and when this protective cover covered, this air-flow guiding group was separated out a plurality of gas channels with this accommodation space cut section.

After adopting said structure, but the LED light fixture of the exchange of the present invention's air-guiding, heat radiation through adding air-flow guiding group, this air-flow guiding group is separated out at least one first, second gas channel with the accommodation space cut section of pedestal; Simultaneously on the pedestal periphery, offer one first perforate at least, and at least one second perforate, this second gas channel is connected with the pedestal outside through first perforate; Second perforate is connected with fan; Outside air can be imported through second gas channel, and the ambient atmos of importing carries out heat exchange with radiating fin earlier, and through first perforate output; Getting into the back by second perforate more at last cooperates fan to blow; Be configured to gas circulation exchange effect, thus radiating effect can be promoted greatly, and heighten because of radiating effect; So the installation site of this LED light fixture can be unrestricted, increase the scope of application of this LED light fixture greatly.

Description of drawings

Fig. 1 is the perspective exploded view of existing LED light fixture;

Fig. 2 is the combination generalized section of existing LED light fixture;

Fig. 3 is the perspective exploded view of the present invention's first preferred embodiment;

Fig. 4 is the combination generalized section of the present invention's first preferred embodiment;

Fig. 5 is the perspective exploded view of the present invention's second preferred embodiment;

Fig. 6 is the combination generalized section of the present invention's second preferred embodiment.

Label declaration of the present invention:

LED light fixture 2

Pedestal 21 light source modules 22

Heat abstractor 23 air-flow guiding groups 24

Protective cover 20 air-vents 201

Accommodation space 211 peripheries 210

First perforate, 212 second perforates 213

Substrate 221 LED lamps 222

Optical reflector 223 fans 231

Radiating fin group 232

Main body 241 radiating fins 242

First, second passage a, a '.

The specific embodiment

In order further to explain technical scheme of the present invention, come the present invention is set forth in detail through specific embodiment below.

Before the present invention was described in detail, in following explanation, similarly assembly was to represent with identical label.

Consult Fig. 3; But first preferred embodiment of the LED light fixture 2 of the exchange of the present invention's air-guiding, heat radiation, it includes a pedestal 21, and this pedestal 21 is formed with an accommodation space 211; One is located at the protective cover 20 on pedestal 21 ora terminalis; One is located at the heat abstractor 23 that light source module 22, the one corresponding light source modules 22 in the accommodation space 211 are provided with, and one is located on the pedestal 21 and just can supplies light source module 22 ccontaining air-flow guiding groups 24 wherein; Wherein, this light source module 22 has the substrate 221, that electrically connects and is located at the optical reflector 222 on the substrate 221, and at least one LED lamp of being located on the substrate 221 223, and LED lamp 223 can be gone out light source projects through optical reflector 222; This heat abstractor 23 has the fan of being located under the substrate 221 231, and one is located at

substrate

221 and 231 in fan and coating optical reflector 222 radiating fin group 232 outward.

Still continuous aforementioned; This air-flow guiding group 24 is separated out at least one first, second gas channel a, a ' with accommodation space 211 cut sections; And in the present embodiment; This air-flow guiding group 24 has the main body 241 that a district is separated out first, second gas channel a, a ', and a plurality of by these main body 241 outward extending radiating fins 242, and the first gas channel a just can supply light source module 23 wherein ccontaining simultaneously; Moreover; At least offer first perforate 212 of corresponding second a gas channel a ' on the periphery of pedestal 21; And offer one second perforate 213 to being less than near fan 231 places; The second gas channel a ' is connected with pedestal 21 outsides through this first perforate 212, and this second perforate 213 is connected with fan 231, outside air can be exported via this second gas channel a ', first perforate 212; And be able to be connected with fan 231 after being got into by this second perforate 213, so that this first, second gas channel a, a ' are in the auxiliary air-flow switch mode that produces down of fan 231.

At last, this protective cover 20 visual actual behaviours in service increase, and pedestal 21 is provided with one and can prevents that foreign matter from stretching the protective cover 20 that places in this pedestal 21 in the present embodiment, offers a plurality of air-vents 201 that are communicated with gas channel a, a ' on this protective cover 20.

Consult Fig. 3, Fig. 4; During use, behind the start-up control power supply, LED lamp 223 promptly produces lighting through the electric connection effect of substrate 221; The light source that produces through optical reflector 222 to external exposure; So that appear brightly through part that this light source throws, certainly, be located at the also synchronization action of fan 231 under the substrate 221 with this power initiation; Because LED lamp 223 is when carrying out long light source irradiation; Waste hot gas can riddle in this pedestal 21; And the present invention cooperates fan 231 runnings and 24 heat radiations of air-flow guiding group again except that radiating fin group 232 is carried out the waste hot gas heat radiation, that is utilizes air-vent 201, the second gas channel a ' that the outside air guiding is got in the accommodation space 211; Make radiating fin 242 receive the importing of extraneous cold air and produce outside the cooling; Outside air among this second gas channel a ' can export pedestal 21 outsides to through first perforate 212, and extraneous air gets in these pedestals 21 through second perforate 213, and with 232 heat exchanges of radiating fin group after waste hot gas; Can blow down at this fan 231; Discharge (shown in the dotted line among Fig. 4) through the first gas channel a, air-vent 201, get in this pedestal 21 so that this air-flow guiding group 24 is guided outside air with first, second perforate 212,213, and then form an air-flow circulation switch mode.

Therefore, no matter this LED light fixture 2 is installed on exposed space also or local use the in the space of closed or the like, all can be by the setting of air-flow guiding group 24 with first, second perforate 212,213; The waste hot gas that this LED light fixture 2 is produced in using; Through 232 heat radiations of radiating fin group, and cooperate the outside air in being guided into to produce the cooling effect of heat exchange, blow through the auxiliary of fan 231 more simultaneously; To be configured to air-flow circulation exchange effect altogether; Excellent in heat dissipation effect not only, and it is overheated to avoid these LED light fixture 2 uses to produce, and then the service life of promoting this LED lamp 223; And be able to effective improvement because of heat dissipation problem causes the problem of these LED light fixture 2 restriction installation sites, increase the scope of application of this LED light fixture 2 greatly.

Consult Fig. 5, Fig. 6; Second preferred embodiment of the present invention; This LED light fixture 2 still includes primary structures such as pedestal 21, protective cover 20, light source module 22, heat abstractor 23 and air-flow guiding group 24, and the special feature of this embodiment is: the air-flow guiding group 24 of present embodiment can be located on the protective cover 20, when protective cover 20 is covered on 21 last times of pedestal; This air-flow guiding group 24 can be told a plurality of gas channel a, a ' with these accommodation space 211 cut sections effectively; So that this LED light fixture 2 when using, still can form the effect of a gas circulation switch mode, to reach the described effect of last embodiment.

Conclude aforementioned; The present invention mainly is equipped with an air-flow guiding group on pedestal, and on the pedestal periphery, offers first, second perforate, so that the heat energy that this LED light fixture is produced; Not only can get into and be configured to an air-flow circulation pattern through this air-flow guiding group guiding outside air; Make outside air advance the shape heat exchange, blow through fan more at last, not only effectively promote outside the radiating effect to the waste hot gas that this LED lamp produces; Be able to effective improvement because of heat dissipation problem causes the problem of this LED lamp restriction installation site, increase the scope of application of this LED light fixture greatly.

The foregoing description and graphic and non-limiting product form of the present invention and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from patent category of the present invention to its suitable variation or modification of doing.

Claims

But 1. the LED light fixture of air-guiding exchange, heat radiation, it includes a pedestal, and this pedestal is formed with an accommodation space, and one is located at the light source module in this accommodation space, and the heat abstractor that is connected with this light source module; Wherein, this light source module has the substrate of an electric connection, and one is located at the optical reflector on this substrate, and at least one LED lamp of being located on this substrate; This heat abstractor has the fan of being located under the substrate, and one be located between substrate and fan and coat optical reflector the radiating fin group; It is characterized in that: also be provided with an air-flow guiding group on the said pedestal; This air-flow guiding group is separated out at least one first, second gas channel with the accommodation space cut section; First gas channel supplies light source module wherein ccontaining, offers first perforate of corresponding second gas channel simultaneously on the periphery of this pedestal at least, offers one second perforate at least in the position of corresponding fan; Second gas channel is connected with the pedestal outside through first perforate, and second perforate is connected with fan.
2. but the LED light fixture of air-guiding exchange according to claim 1, heat radiation is characterized in that: also be provided with a protective cover on the said pedestal, offer the air-vent that a plurality of and said gas channel is communicated with on this protective cover.
3. but the LED light fixture of air-guiding exchange according to claim 1 and 2, heat radiation, it is characterized in that: said air-flow guiding group has a main body, and a plurality of by the outward extending radiating fin of this main body.
4. but the LED light fixture of air-guiding exchange according to claim 3, heat radiation is characterized in that: said air-flow guiding is mounted on the protective cover, and when this protective cover covered, this air-flow guiding group was separated out a plurality of gas channels with this accommodation space cut section.