CN102818160B

CN102818160B - Can air-guiding exchange, heat radiation LED lamp

Info

Publication number: CN102818160B
Application number: CN201210317828.0A
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: 2015-08-19
Anticipated expiration: 2032-08-31
Also published as: CN102818160A

Abstract

The invention discloses one can exchange by air-guiding, the LED lamp of heat radiation, it is mainly equipped with an air-flow guiding group on pedestal, the accommodation space cut section of pedestal is separated out at least one first by this air-flow guiding group, second gas channel, the periphery of this pedestal simultaneously at least offers the first perforate of corresponding second gas channel, and at least offer one second perforate in corresponding position of fan place, outside air is made to import through this second gas channel and to be exported by the first perforate, enter in pedestal through the second perforate again, and derive from the first gas channel under fan effect, form an airflow circulating and exchange effect, heat radiation usefulness greatly, promote outside the service life of LED, and the problem making this LED lamp limit installation site is able to effective improvement, increase the scope of application of this LED lamp.

Description

Can air-guiding exchange, heat radiation LED lamp

Technical field

The present invention relates to a kind of LED lamp, the LED lamp of particularly a kind of bootable air-flow exchange, heat radiation.

Background technology

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

Refer to shown in Fig. 2, actual use after find that though this waste hot gas, can the wind-force that produces of mat fan 132, be outwards disengaged by radiating fin group 131 by the waste hot gas that this LED lamp 1 produces after luminescence; But, the quality of its radiating effect depends on heat radiation material coefficient, if therefore radiating fin group 131 uses material of better dispelling the heat, then contribute to heat radiation, if relative uses material chump, then effectively can cannot disengage because of waste hot gas, make this LED lamp 1 easily produce superheating phenomenon, cause this LED lamp 1 to damage.

Moreover fabricating yard is also one of reason affecting radiating effect, if the pedestal 11 of this LED lamp 1 is installed between the splinting layer as ceiling, or can make it exposed Space, Place as track lamp etc., this LED lamp 1 entirety can present preferably radiating effect, otherwise, if the confined space be embedded at by the pedestal 11 of this LED lamp 1 in ground G uses, add that LED 123 can produce a large amount of waste hot gas during carrying out long-time light source irradiation by optical reflector 122, now the pedestal 11 of this LED lamp 1 is not only enveloped by airtight ground G material completely, the closed type protective cover 10 of adding this LED lamp 1 designs, making only to remain narrow and small accommodation space 111 between radiating fin group 131 and pedestal 11 can supply waste hot gas (as shown in Fig. 2 dotted arrow) to discharge, but without allowing, cool ambient air is entered, cause the outside radiating effect of waste hot gas limited, a large amount of waste hot gas is caused to retain in accommodation space 111, this LED lamp 1 is easily made to produce overheated, very easily cause this LED lamp 1 Rapid Damage, have much room for improvement in fact.

Summary of the invention

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

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

Can air-guiding exchange, heat radiation a LED lamp, 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 be located on this substrate; This heat abstractor has the fan be located under substrate, and one to be located between substrate and fan and the radiating fin group of coated optical reflector; Described pedestal is also provided with an air-flow guiding group, accommodation space cut section is separated out first, second gas channel at least one by this air-flow guiding group, first gas channel is wherein accommodating for light source module, the periphery of this pedestal simultaneously at least offers the first perforate of corresponding second gas channel, one second perforate is at least offered in the position of corresponding fan, second gas channel is connected with pedestal outside by the first perforate, and the second perforate is connected with fan.

Described pedestal is also provided with a protective cover, this protective cover offers the air-vent that multiple and described gas channel is communicated with.

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

Described air-flow guiding is mounted on protective cover, and when this protective cover covers, this accommodation space cut section is separated out multiple gas channel by this air-flow guiding group.

After adopting said structure, the present invention can exchange by air-guiding, the LED lamp of heat radiation is by adding air-flow guiding group, the accommodation space cut section of pedestal is separated out at least one first by this air-flow guiding group, second gas channel, on pedestal periphery, at least offer one first perforate simultaneously, and at least one second perforate, this second gas channel is connected with pedestal outside by the first perforate, second perforate is connected with fan, outside air can be imported through the second gas channel, the ambient atmos imported first carries out heat exchange with radiating fin, and export through the first perforate, finally enter rear cooperation fan by the second perforate again to blow, be configured to a gas circulation and exchange effect, therefore can improving radiating effect greatly, and because radiating effect increases, so the installation site of this LED lamp can be unrestricted, greatly increase the scope of application of this LED lamp.

Accompanying drawing explanation

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

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

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

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

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

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

Label declaration of the present invention:

LED lamp 2

Pedestal 21 light source module 22

Heat abstractor 23 air-flow guiding group 24

Protective cover 20 air-vent 201

Accommodation space 211 periphery 210

First perforate 212 second perforate 213

Substrate 221 LED 222

Optical reflector 223 fan 231

Radiating fin group 232

Main body 241 radiating fin 242

First, second passage a, a '.

Detailed description of the invention

In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.

Before the present invention is described in detail, in the following description, similar assembly represents with identical label.

Consult Fig. 3, the present invention can air-guiding exchange, first preferred embodiment of LED lamp 2 of heat radiation, it includes a pedestal 21, 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 the corresponding light source module 22 of light source module 22, in accommodation space 211 arranges, and one to be located on pedestal 21 and just can to supply the accommodating air-flow guiding group 24 wherein of light source module 22; Wherein, the optical reflector 222 on substrate 221 is located at by the substrate 221, that this light source module 22 has an electric connection, and at least one LED 223 be located on substrate 221, and light source projects is gone out by optical reflector 222 by LED 223; This heat abstractor 23 has the fan 231 be located under substrate 221, and one to be located between substrate 221 and fan 231 and radiating fin group 232 outside coated optical reflector 222.

Still continuous aforementioned, accommodation space 211 cut section is separated out at least one first, second gas channel a, a by this air-flow guiding group 24 ', and in the present embodiment, this air-flow guiding group 24 has one and separates out first, second gas channel a, a ' main body 241, and multiple by the outward extending radiating fin 242 of this main body 241, the first gas channel a just can be wherein accommodating for light source module 23 simultaneously, moreover, the periphery of pedestal 21 at least offers first perforate 212 of a corresponding second gas channel a ', and offer one second perforate 213 to being less than near fan 231 place, second gas channel a ' is connected with pedestal 21 outside by this first perforate 212, and this second perforate 213 is connected with fan 231, make outside air can via this second gas channel a ', first perforate 212 exports, and be able to be connected with fan 231 after being entered by this second perforate 213, with make this first, second gas channel a, a ' is in the auxiliary lower generation one air-flow switch mode of fan 231.

Finally, the visual actual behaviour in service of this protective cover 20 increases, and in the present embodiment, pedestal 21 is provided with a protective cover 20 that can prevent from foreign matter from stretching being placed in this pedestal 21, this protective cover 20 offers multiple with gas channel a, a ' air-vent 201 that is communicated with.

Consult Fig. 3, Fig. 4, during use, after startup controls power supply, namely LED 223 produces lighting by the electric connection effect of substrate 221, produce light source through optical reflector 222 to external exposure, to make to present bright through part that this light source projects, certainly, the fan 231 also synchronization action with this power initiation under substrate 221 is located at, because when LED 223 carries out long light source irradiation, waste hot gas can riddle in this pedestal 21, and the present invention carries out except waste hot gas heat radiation except radiating fin group 232, fan 231 is coordinated to operate again and air-flow guiding group 24 is dispelled the heat, that is utilize air-vent 201, outside air guiding enters in accommodation space 211 by the second gas channel a ', radiating fin 242 is made to be subject to the importing of extraneous cold air and to produce outside cooling, it is outside that outside air in this second gas channel a ' can export pedestal 21 to by the first perforate 212, extraneous air enters in this pedestal 21 through the second perforate 213, and with the waste hot gas after radiating fin group 232 heat exchange, can under this fan 231 blows, through the first gas channel a, air-vent 201 discharges (as shown in phantom in figure 4), to make this air-flow guiding group 24 and first, second perforate 212, outside air guiding enters in this pedestal 21 by 213, and then form an airflow circulating switch mode.

Therefore, no matter this LED lamp 2 is installed on exposed space also or the space of closed etc. is local uses, all can by air-flow guiding group 24 and first, second perforate 212, the setting of 213, make the waste hot gas that this LED lamp 2 produces in using, dispel the heat through radiating fin group 232, and coordinate the cooling effect being guided into interior outside air generation heat exchange, blow through the auxiliary of fan 231 more simultaneously, effect is exchanged to be configured to an airflow circulating altogether, not only excellent in heat dissipation effect, and it is overheated that this LED lamp 2 use procedure can be avoided to produce, and then promote the service life of this LED 223, and the problem causing this LED lamp 2 to limit installation site because of heat dissipation problem is able to effective improvement, greatly increases the scope of application of this LED lamp 2.

Consult Fig. 5, Fig. 6, second preferred embodiment of the present invention, this LED lamp 2 still includes pedestal 21, protective cover 20, light source module 22, the primary structures such as heat abstractor 23 and air-flow guiding group 24, the special feature of this embodiment is: the air-flow guiding group 24 of the present embodiment can be located on protective cover 20, when protective cover 20 is covered on pedestal 21, this accommodation space 211 cut section can be separated multiple gas channel a by this air-flow guiding group 24 effectively, a ', when using to make this LED lamp 2, still can form the effect of a gas circulation switch mode, to reach the effect described in previous embodiment.

Conclude aforementioned, the present invention is mainly equipped with an air-flow guiding group on pedestal, and first, second perforate is offered on pedestal periphery, with the heat energy making this LED lamp produce, not only enter by this air-flow guiding group guiding outside air and be configured to an airflow circulating pattern, the waste hot gas that outside air can be produced for this LED enters shape heat exchange, finally blowed by fan again, not only outside effective improving radiating effect, the problem causing this LED to limit installation site because of heat dissipation problem is able to effective improvement, greatly increases the scope of application of this LED lamp.

Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.

Claims

1. can air-guiding exchange, heat radiation a LED lamp, 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 be located on this substrate; This heat abstractor has the fan be located under substrate, and one to be located between substrate and fan and the radiating fin group of coated optical reflector; It is characterized in that: described pedestal is also provided with an air-flow guiding group, accommodation space cut section is separated out first, second gas channel at least one by this air-flow guiding group, first gas channel is wherein accommodating for light source module, the periphery of this pedestal simultaneously at least offers the first perforate of corresponding second gas channel, one second perforate is at least offered in the position of corresponding fan, second gas channel is connected with pedestal outside by the first perforate, and the second perforate is connected with fan.

2. according to claim 1 can air-guiding exchange, heat radiation LED lamp, it is characterized in that: described pedestal is also provided with a protective cover, this protective cover offer the air-vent that multiple and described gas channel is communicated with.

3. according to claim 1 and 2 can air-guiding exchange, the LED lamp of heat radiation, to it is characterized in that: described air-flow guiding group has a main body, and multiple by the outward extending radiating fin of this main body.

4. according to claim 3 can air-guiding exchange, the LED lamp of heat radiation, it is characterized in that: the guiding of described air-flow is mounted on protective cover, and when this protective cover covers, this accommodation space cut section is separated out multiple gas channel by this air-flow guiding group.