CN202955588U - LED (light-emitting diode) down lamp with heat radiator - Google Patents
LED (light-emitting diode) down lamp with heat radiator Download PDFInfo
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- CN202955588U CN202955588U CN2012206475918U CN201220647591U CN202955588U CN 202955588 U CN202955588 U CN 202955588U CN 2012206475918 U CN2012206475918 U CN 2012206475918U CN 201220647591 U CN201220647591 U CN 201220647591U CN 202955588 U CN202955588 U CN 202955588U
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- radiator
- led
- lamp
- heat
- light source
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Abstract
The utility model discloses an LED (light-emitting diode) down lamp with a heat radiator, comprising a lamp barrel, an LED aluminium substrate light source, the heat radiator, a clamping buckle, a clamping spring and a PC (poly-carbonate) lampshade, wherein the LED aluminium substrate light source is installed in the lamp barrel. The LED down lamp is characterized in that the heat radiator is located in the lamp barrel; the periphery of the heat radiator is uniformly provided with heat-radiating fins, the middle of the heat radiator is provided with a hollow cavity, the top surface of the heat radiator is provided with an installation platform, and the bottom of the heat radiator is opened; a groove communicated with the hollow cavity is formed between the adjacent two heat-radiating fins; the LED aluminium substrate light source is installed on the installation platform; and a heat-radiating hole is formed in the part (corresponding to each groove between the adjacent two heat-radiating fins) at the bottom of the lamp barrel. According to the LED down lamp disclosed by the utility model, the heat radiator is located in the lamp barrel, and the heat-radiating holes are formed in the bottom of the lamp barrel to form an air-cooling system for transferring heat in the lamp barrel out, thus greatly improving the heat-radiating performance of the LED down lamp, avoiding the accumulation of the internal heat, and prolonging the service life of the LED down lamp.
Description
Technical field
The utility model relates to a kind of LED light fixture, is specifically related to a kind of Down lamp of the LED with radiator.
Background technology
Down lamp is a kind of spot light light fixture, normally is distributed in sky and takes, and as market, the mansion floor; Use usually used as space illumination, compare with the general lighting lamp, light-gathering is better, also can be used as floor light and uses.
The LED Down lamp is to using the light source of LED light emitting diode as Down lamp, there is long service life, the low advantage that waits the LED lamp of power consumption, its basic structure is: comprise the lamp cylinder, LED aluminium base light source, radiator, buckle, jump ring and PC lampshade, LED aluminium base light source is installed in the lamp cylinder, radiator is positioned at the back side of lamp cylinder bottom, LED aluminium base light source, the lamp cylinder is semicircle or rectangle, and buckle is fixedly installed in LED aluminium base light source in the lamp cylinder through jump ring, PC lampshade sealed light cylinder opening.Described radiator by the heat energy produced after LED aluminium base light source luminescent, if heat conductivility is poor, will cause light efficiency obviously to descend for conduction, directly have influence on the service life of LED Down lamp.
The radiator adopted at present is generally aluminum extruded molding structure, on the Down lamp body, is provided with radiating fin, and the hot-air by cool exterior air and heat-delivery surface is exchanged, and dispels the heat, and then the DIE Temperature of LED is reduced.When radiator adopts solid making, material is too heavy, and the light fixture overall weight increases the weight of, and cost of transportation is higher; When radiator adopts hollow making, material weight has alleviated, but middle hollow, middle hollow parts, in practice, adopt thinner aluminium or copper material polishing one end end face.And this part lucky and LED light source produces thermo-contact, thereby cause contact-making surface insufficient, dispel the heat bad.
In addition, radiator of the prior art all is positioned at the hull outside of Down lamp usually, by housing, the heat in Down lamp is conducted to radiator, Down lamp inside is without radiator structure, be positioned at the radiator of hull outside, after using a period of time, easily pile up dust between fin, also will have influence on the radiating effect of Down lamp, cause gathering of heat.
Therefore, solve heat dissipation problem and play vital effect to promoting LED Down lamp performance, also need the part of the further Improvement of those skilled in the art.
Summary of the invention
The utility model purpose is to provide a kind of Down lamp of the LED with radiator, and by the improvement of structure, heat radiation, avoid gathering of heat greatly, extends the service life of LED Down lamp.
for achieving the above object, the technical solution adopted in the utility model is: a kind of Down lamp of the LED with radiator, comprise the lamp cylinder, LED aluminium base light source, radiator, buckle, jump ring and PC lampshade, described LED aluminium base light source is installed in the lamp cylinder, described radiator is positioned at described lamp cylinder, described radiator surrounding is evenly equipped with radiating fin, centre is hollow cavity, end face is provided with mounting platform, bottom opening, be provided with the groove be communicated with described hollow cavity between adjacent described radiating fin, described LED aluminium base light source is installed on described mounting platform, each described groove between the corresponding described radiating fin in described lamp cylinder bottom is provided with a louvre.
In technique scheme, described radiator is placed in the lamp cylinder, the radiating fin annular is distributed in surrounding, between fin and fin, forms heat dissipation channel, and is communicated with the hollow cavity in the middle of radiator through groove, offer louvre simultaneously on the lamp cylinder, thereby form in the lamp cylinder and outer gas channel, cool ambient air, in louvre enters the lamp cylinder, is exchanged with the thermal current in the lamp cylinder, reduce temperature in the lamp cylinder, reach and extend the LED Down lamp purpose in service life.In the utility model, except the heat radiation that utilizes the material of radiator own of the prior art, increased the convection current of air, accelerating derives the heat in the lamp cylinder, improving radiating effect.In addition, radiator consists of aluminium die casting, and technique is very ripe, is easy to moulding, and radiator is inner is hollow cavity, lightweight, and contributes to heat radiation.
In technique scheme, described radiator is tubular, described radiating fin annular is distributed in the periphery of described hollow cavity, described hollow cavity wall is provided with at least 2 symmetrically arranged fixing threaded holes, corresponding described fixing threaded hole place, described lamp cylinder bottom surface is provided with fixing hole, and described radiator is fixedly connected with described lamp cylinder through fixing threaded hole, fixing hole by screw.
In technique scheme, corresponding described buckle place, described radiator both sides is provided with installing hole, and described buckle is installed on described radiator through hold-down screw.
In technique scheme, described lamp cylinder ring wall is near bottom place, and corresponding each described louvre is respectively equipped with a side louvre, makes the exchange of cold and hot air faster, radiating effect better, better.
In technique scheme, also comprise power supply, this power supply is arranged in described hollow cavity, and be fixed on described mounting platform through the power supply hold-down screw, described power supply is electrically connected to through wire with described LED aluminium base light source, described wire is arranged with insulated column outward, prevent electric leakage, and power supply is positioned in hollow cavity, the heat that its work produces can be derived by radiator itself, can form and extraneous being communicated with by the groove between radiating fin simultaneously, derives heat, the temperature of the core pyrotoxin of LED Down lamp is descended, stablize its duty.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, the utility model radiator is arranged in the lamp cylinder, centre is provided with hollow cavity, surrounding is radiating fin, be provided with the groove be communicated with hollow cavity between radiating fin, coordinate the louvre on the lamp cylinder, cool ambient air can enter in the lamp cylinder, with the thermal current in the lamp cylinder, exchanged, reduce temperature in the lamp cylinder, compare with heat spreader structures in the past, not only dispel the heat with material itself, also increased the convection current of air, acceleration is outwards derived the heat in the lamp cylinder, and improving radiating effect reaches and extends the LED Down lamp purpose in service life;
2, in the utility model, radiator is placed in lamp cylinder inside, with structure in the past, compares, and is difficult for piling up dust, and LED Down lamp radiating effect is guaranteed;
3, the utility model is simple in structure, is easy to realize.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model embodiment mono-;
The STRUCTURE DECOMPOSITION schematic diagram that Fig. 2 is the utility model embodiment mono-;
The structural representation that Fig. 3 is radiator and LED aluminium base light source in the utility model embodiment mono-;
The stereogram that Fig. 4 is Fig. 3;
The perspective view that Fig. 5 is lamp cylinder in the utility model embodiment mono-.
Wherein: 1, lamp cylinder; 2, LED aluminium base light source; 3, radiator; 4, buckle; 5, jump ring; 6, PC lampshade; 7, power supply; 8, radiating fin; 9, hollow cavity; 10, groove; 11, screw; 12, power supply hold-down screw; 13, insulated column; 14, fixing threaded hole; 15, fixing hole; 16, screw; 17, side louvre; 18, louvre, 19, hole; 20, hold-down screw.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
embodiment mono-: shown in Fig. 1～5, a kind of Down lamp of the LED with radiator, comprise lamp cylinder 1, LED aluminium base light source 2, radiator 3, buckle 4, jump ring 5 and PC lampshade 6, power supply 7, described radiator 3 is positioned at described lamp cylinder 1, described radiator 3 is tubular, the surrounding annular is evenly equipped with 18 radiating fins 8, centre is hollow cavity 9, end face is provided with mounting platform, bottom opening, 8 of adjacent described radiating fins are provided with the groove 10 be communicated with described hollow cavity 9, described LED aluminium base light source 2 is installed on described mounting platform through screw 11, described power supply 7 is arranged in described hollow cavity 9, and be fixed on described mounting platform through power supply hold-down screw 12, described power supply 7 is electrically connected to through wire with described LED aluminium base light source 2, and wire is arranged with insulated column 13 outward.
As shown in Figure 2,4, corresponding described buckle 4 places, described radiator 3 both sides are provided with installing hole, and described buckle 4 is installed on described radiator 3 through hold-down screw 20, by the hole 19 of lamp cylinder 1 both sides, are passed, easy for installation.Described radiator 3 hollow cavity walls are provided with 2 symmetrically arranged fixing threaded holes 14, and corresponding described fixing threaded hole 14 places, described lamp cylinder 1 bottom surface are provided with fixing hole 15, and described radiator 3 is fixedly connected with described lamp cylinder 1 through fixing threaded hole 14, fixing hole 15 by screw 16.
As shown in Fig. 1～5, each described groove 10 place that the corresponding described radiating fin in described lamp cylinder 1 bottom is 8 are provided with a louvre 18, and described lamp cylinder 1 ring wall is near the place, bottom, and corresponding each described louvre 18 is respectively equipped with a side louvre 17.The cold air of LED Down lamp outside enters in lamp cylinder 1 by louvre 18, the side louvre 17 of lamp cylinder 1 bottom, cold air is taken away the hot-air on radiator 3 surfaces through the radiating fin 8 of radiator 3, carry out the exchange of cold and hot air, by the space between lamp cylinder 1 and PC lampshade 6, shed, as shown in Figure 1, form a complete air cooling system, and then the DIE Temperature of LED light source is reduced, extend the service life of LED Down lamp.
Claims (5)
1.
a kind of Down lamp of the LED with radiator, comprise the lamp cylinder, LED aluminium base light source, radiator, buckle, jump ring and PC lampshade, described LED aluminium base light source is installed in the lamp cylinder, it is characterized in that: described radiator is positioned at described lamp cylinder, described radiator surrounding is evenly equipped with radiating fin, centre is hollow cavity, end face is provided with mounting platform, bottom opening, be provided with the groove be communicated with described hollow cavity between adjacent described radiating fin, described LED aluminium base light source is installed on described mounting platform, each described groove between the corresponding described radiating fin in described lamp cylinder bottom is provided with a louvre.
2.
LED with radiator Down lamp according to claim 1, it is characterized in that: described radiator is tubular, described radiating fin annular is distributed in the periphery of described hollow cavity, described hollow cavity wall is provided with at least 2 symmetrically arranged fixing threaded holes, corresponding described fixing threaded hole place, described lamp cylinder bottom surface is provided with fixing hole, and described radiator is fixedly connected with described lamp cylinder through fixing threaded hole, fixing hole by screw.
3.
LED with radiator Down lamp according to claim 1 is characterized in that: corresponding described buckle place, described radiator both sides is provided with installing hole, and described buckle is installed on described radiator through hold-down screw.
4.
LED with radiator Down lamp according to claim 1 is characterized in that: described lamp cylinder ring wall is near the place, bottom, and corresponding each described louvre is respectively equipped with a side louvre.
5.
LED with radiator Down lamp according to claim 1, it is characterized in that: also comprise power supply, this power supply is arranged in described hollow cavity, and be fixed on described mounting platform through the power supply hold-down screw, described power supply is electrically connected to through wire with described LED aluminium base light source, and described wire is arranged with insulated column outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206475918U CN202955588U (en) | 2012-11-30 | 2012-11-30 | LED (light-emitting diode) down lamp with heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206475918U CN202955588U (en) | 2012-11-30 | 2012-11-30 | LED (light-emitting diode) down lamp with heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955588U true CN202955588U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206475918U Expired - Fee Related CN202955588U (en) | 2012-11-30 | 2012-11-30 | LED (light-emitting diode) down lamp with heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398341A (en) * | 2013-07-30 | 2013-11-20 | 湖北爱商光电股份有限公司 | Novel LED down lamp |
-
2012
- 2012-11-30 CN CN2012206475918U patent/CN202955588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398341A (en) * | 2013-07-30 | 2013-11-20 | 湖北爱商光电股份有限公司 | Novel LED down lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20131130 |