CN202392585U - High-power LED (light-emitting diode) mining lamp - Google Patents
High-power LED (light-emitting diode) mining lamp Download PDFInfo
- Publication number
- CN202392585U CN202392585U CN201120387953XU CN201120387953U CN202392585U CN 202392585 U CN202392585 U CN 202392585U CN 201120387953X U CN201120387953X U CN 201120387953XU CN 201120387953 U CN201120387953 U CN 201120387953U CN 202392585 U CN202392585 U CN 202392585U
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- heat pipe
- base plate
- fin
- heat
- lampshade
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Abstract
The utility model discloses a high-power LED (light-emitting diode) mining lamp which can observably reduce the junction temperature of an LED lamp and can improve luminous efficiency. The LED mining lamp comprises a shell, wherein the shell is internally provided with a heat dissipation module; the heat dissipation module comprises a bottom plate, a plurality of cooling fins and heat pipes; the bottom of the heat dissipation module is provided with a light source PCB (Printed circuit board); the periphery of the light source PCB is provided with a lamp shade, and the lamp shade is arranged at the bottom of the heat dissipation module; the lower part of the lamp shade is provided with a dust cap, and the shell arranged above the heat dissipation module is internally provided with a power source; and the power source is fixed on a top cover, and the top cover is locked in the shell through screws. The high-power LED mining lamp provided by the utility model is simple in structure, high in reliability, good in heat dissipation effect, long in service life and convenient for installation and maintenance, and light decay rate is lowered.
Description
Technical field
The utility model relates to bulkhead lamp capable illumination, particularly a kind of great power LED bulkhead lamp capable.
Background technology
Former bulkhead lamp capable uses the bulb illumination, and this mode is thrown light on by single bulb, is the first generation product of industrial and mineral illumination, but high because of its power consumption, service life is short and be eliminated gradually.The LED illumination, this mode adopts one or more led light source to throw light on, and has very strong brightness of illumination, and it is low to consume energy, but a lot of problems also appear in present various LED bulkhead lamp capables.Along with the increase of LED lamp power, caloric value improves greatly, even constantly increase the volume of radiator; Radiating efficiency also can be more and more lower; Can not satisfy the heat radiation requirement of large-power lamp, this kind structure heatsink mass is bigger simultaneously, when suspension is installed, has certain potential safety hazard; The luminescent properties of LED decline fast more and more is familiar with by people, and the current subject matter that faces of LED is exactly life problems.
At present, the greatest problem that runs into of the great power LED bulkhead lamp capable of use is light decay bigger (decaying 10%, three thousand hour in).Present most of way is to be attached to chip on the fin of a die casting, covers lampshade, loads onto power supply, and basic do not have not design according to the needed area of dissipation of concrete power that calculates the LED lamp and the thermal resistivity of free convection needs.The junction temperature of general LED will be controlled at about 65 degree, and cooling surface area
just can address this problem.Therefore, lean on traditional die casting to squeeze the fin that type technology does and do not reach this requirement basically, produce deriving that the led chip heat radiation can not be good, cause that the led chip temperature is too high to make chip decay aggravation from the PIN pin.
The utility model content
The purpose of the utility model is the shortcoming that overcomes prior art, and a kind of great power LED bulkhead lamp capable is provided, and it is simple in structure, and good heat dissipation effect significantly reduces the junction temperature of LED lamp and improves luminous efficiency.
For reaching above-mentioned purpose, a kind of great power LED bulkhead lamp capable that the utility model provides, the technical scheme below adopting: a kind of great power LED bulkhead lamp capable; Comprise housing, be provided with the heat radiation module in the said housing, said heat radiation module comprises base plate, complex cooling fin and heat pipe I; Said heat radiation module bottom is provided with the light source pcb board; Said light source pcb board periphery is provided with lampshade, and said lampshade is arranged at heat radiation module bottom, and said lampshade bottom is provided with dust cover.
Further, said base plate simultaneously is provided with the groove I, and said base plate another side is provided with the groove II, and the surface coverage of said base plate has coatings, and said coatings is a nickel; Said fin is the treasure maesa herb flap; Be equipped with through hole on each fin, said heat pipe I runs through the through hole of fin, and by the tight fit mode fin and heat pipe I is fixed; The head end portion of said heat pipe I is arranged in the groove I, and is combined closely by tin cream and base plate.
Further, said housing comprises heat pipe II and two groups of radiating pieces, and the bending of said heat pipe II is the L type, and said radiating piece is provided with perforate; Said heat pipe II is connected in radiating piece, and the head end portion of heat pipe II is arranged in the groove II, and by the riveted mode base plate and heat pipe II is combined closely.
Further, be provided with power supply in the housing of said heat radiation module top, said power supply is fixedly set in top cover, said top cover by screw lock in housing.
Further, be provided with suspension ring above the said top cover; Said lampshade is the aluminium reflection shield, and the material of said dust cover is a glass, and said dust cover is fixed in the edge of lampshade by rivet.
The beneficial effect of the utility model is: the utility model is simple in structure, and good looking appearance is energy-conservation, and good heat dissipation effect has the following advantages:
⑴, energy-conservation.This great power LED bulkhead lamp capable can be energy-conservation aspect energy-conservation 50%, and the LED bulkhead lamp capable of 200W can replace traditional 400W high-pressure mercury lamp;
⑵, good heat dissipation effect.Because the design of special heat radiation module, send great amount of heat during the work of light source pcb board and be transmitted on the fin through the heat pipe I and distribute; Air in heat radiation module cavity expands; Can form a heat flow field; A pressure differential is arranged simultaneously, and hot-air can be owing to the reason convection current outward of expanding, at this moment; Perforate on the said housing just forms a convection current thermal field all around, formed the initiatively mode of convection current by the covert mode of former free convection.Because fin is taken away a large amount of heats, radiating effect improves greatly, help the pcb board cooling, thereby optical attenuation diminishes, long service life, and light efficiency improves;
⑶, reliability height.Heat pipe I and heat pipe II are used space material, and weight is lighter, good heat dissipation effect;
⑷, simple in structure, easy to installation and maintenance.Said pcb board, power supply convenient for maintaining and replacing.
Description of drawings
Shown in Figure 1 is the utility model one angle overall structure decomposing schematic representation.
Shown in Figure 2 is another angle overall structure decomposing schematic representation of the utility model.
Shown in Figure 3 is the utility model overall structure sketch map.
Below be the explanation of the utility model parts sign flag:
The specific embodiment
For further understanding characteristic, technological means and the specific purposes that reached, the function of the utility model; Resolve the advantage and spirit of the utility model, by the detailed description of the utility model further being understood below in conjunction with the accompanying drawing and the specific embodiment.
Shown in Figure of description, the utility model comprises housing 1, is provided with heat radiation module 2 in the said housing 1, and said heat radiation module 2 comprises base plate 3, complex cooling fin 4 and heat pipe I 5.Said base plate 3 one sides are provided with groove I 9, and said groove I 9 is complementary identical with heat pipe I 5; Said base plate 3 another sides are provided with groove II 10, and the surface coverage of said base plate 3 has coatings, and said coatings is a nickel.Said fin 4 is the treasure maesa herb flap; Be equipped with through hole on each fin 4; Said heat pipe I 5 runs through the through hole of fin 4, and makes fin 4 fixing with heat pipe I 5 by the tight fit mode, and the distance between per two fin 4 is 10mm; The head end portion of said heat pipe I 5 is arranged in the groove I 9, and is combined closely by tin cream and base plate 3.
Said heat radiation module 2 bottoms are provided with light source pcb board 6, and said light source pcb board 6 peripheries are provided with lampshade 7, and said lampshade 7 is an aluminium matter reflection shield, and said lampshade 7 is arranged at heat radiation module 2 bottoms, and the reflective angle of said lampshade 7 is 60 degree.Said lampshade 7 bottoms are provided with dust cover 8, and the material of said dust cover 8 is a glass, and said dust cover 8 is fixed in the edge of lampshade 7 by rivet, and said dust cover 8 light transmittances reach more than 90%, and are also damp proof, moistureproof, protection light source pcb board 6.
Said housing 1 comprises heat pipe II 11 and two groups of radiating pieces 12, and said heat pipe II 11 bendings are the L type, and said heat pipe II 11 is connected in radiating piece 12, and the head end portion of heat pipe II 11 is arranged in the groove II 10, and by the riveted mode base plate 3 and heat pipe II 11 is combined closely.Said radiating piece 12 is provided with perforate, said perforate help the dispelling the heat circulation of the hot-air in the module 2.
Be provided with power supply 13 in the housing 1 of said heat radiation module 2 tops, said power supply 13 is fixedly set in top cover 14, said top cover 14 by screw lock in housing 1.Said top cover 14 tops are provided with suspension ring 15, make things convenient for the suspension of the utility model.
During use, the LED bulkhead lamp capable is suspended on the desired position, adopts heat pipe I 5 and complex cooling fin 4 in the present embodiment heat radiation module 2 through said suspension ring 15; It is in light weight, has increased area of dissipation, good heat conductivity; Sturdy and durable, the quantity of said fin 4 what determine that by the power of LED bulkhead lamp capable power is big more with the layout situation; Its quantity is more relatively, power hour, and quantity can be less relatively.
Said housing 1 is provided with perforate; Can dispel the heat simultaneously all around; Hot conduction and radiating rate have been accelerated; A large amount of heats that the great power LED bulkhead lamp capable is in use produced can promptly scatter, and the heat that as early as possible led light source pcb board 6 is produced dissipates, and have improved the service life of LED light fixture greatly.
The production technology of said great power LED bulkhead lamp capable comprises the steps:
1., analyze, design required heat sink sizes of bulkhead lamp capable and area of dissipation according to the LED watt level according to Icepak calorifics software simulation; Area of dissipation according to average
calculates; Draw the size of needed area of dissipation of bulkhead lamp capable and fin
Its heat Calculation formula is:
Interior heat (W) of Φ--unit interval through planomural;
A--planomural area (
);
The thermal conductivity of ∧--object [
]
The thickness of Δ--object (m);
Temperature difference (K) between Δ T--planomural two surfaces;
2., earlier process base plate 3, said base plate 3 thickness are 7 ~ 8.5mm, and simultaneously at base plate 3 plating nickel on surface, thickness of coating is 0.1mm;
3., strike out the treasure maesa herb flap to fin 4 with mould, again each fin 4 with 5 cross-under of heat pipe I together through the tight fit mode with the continuous mould mode, according between the thermal convection current optimum coefficient design fin 4 apart from being 10mm; Reach tight fit between said heat pipe I 5 and the fin 4, help the heat conduction;
4., offer groove I 9 and groove II 10 respectively on the two sides of base plate 3; Heat pipe II 11 bendings that are 6.1mm with two groups of diameters are the L type; Be arranged in heat pipe II 11 in the groove II 10 with the riveted mode, fill out epoxy resin water again, combine closely to guarantee heat pipe II 11 and base plate 3;
5., said radiating piece 12 is offered symmetrical one group of semi-circular perforate, CNC processes said perforate simultaneously, hot-airs circulation in the module 2 that helps dispelling the heat with mould;
6., in the groove I 9 of base plate 3, coat tin cream, the heat pipe I 5 that will be equipped with fin 4 with tool is fixed together, and puts into the baking box of 180 degree again, makes tin cream melt, and heat pipe I 5 and base plate 3 are combined closely, and takes out with cold wind then and cools off;
7., will dispel the heat module 2 and radiating piece 12 usefulness epoxy resin glues are bonding, and put into 120 degree baking boxs bakings 30 minutes after fixing with tool, make epoxy resins glue air-dry, again radiating piece 12 closely is connected with heat pipe II 11;
8., connect power supply 13, fix the top cover 14 that has suspension ring 15;
9., coat heat-conducting cream, with screw locking light source pcb board 6, said heat-conducting cream more helps 6 heat radiations of light source pcb board in heat radiation module 2 bottoms;
10., according to the optical design needs, the reflective angle of lampshade 7 be designed to 60 the degree, and be arranged at the heat radiation module 2 the bottom; At last dust cover 8 usefulness rivets are fixed in lampshade 7 edges.
In sum, the heat radiation module 2 of the utility model is reasonable in design, sends great amount of heat during light source pcb board 6 work and is transmitted on the fin 4 through heat pipe I 5 and distributes; Air in heat radiation module 2 cavitys expands, and can form a heat flow field, and a pressure differential is arranged simultaneously; Hot-air can be owing to the reason convection current outward of expanding, and at this moment, the tapping around on said housing 1 just forms a convection current thermal field; Formed the initiatively mode of convection current by the covert mode of former free convection; Radiating effect improves greatly, thereby light decay rate diminishes, long service life.
The above embodiment has only expressed the part embodiment of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with accompanying claims.
Claims (5)
1. great power LED bulkhead lamp capable; Comprise housing (1), it is characterized in that: be provided with heat radiation module (2) in the said housing (1), said heat radiation module (2) comprises base plate (3), complex cooling fin (4) and heat pipe I (5); Said heat radiation module (2) bottom is provided with light source pcb board (6); Said light source pcb board (6) periphery is provided with lampshade (7), and said lampshade (7) is arranged at heat radiation module (2) bottom, and said lampshade (7) bottom is provided with dust cover (8).
2. a kind of great power LED bulkhead lamp capable according to claim 1; It is characterized in that: said base plate (3) one side is provided with groove I (9); Said base plate (3) another side is provided with groove II (10), and the surface coverage of said base plate (3) has coatings, and said coatings is a nickel; Said fin (4) is the treasure maesa herb flap; Each fin is equipped with through hole on (4); Said heat pipe I (5) runs through the through hole of fin (4); And making fin (4) and heat pipe I (5) fixing by the tight fit mode, the head end portion of said heat pipe I (5) is arranged in the groove I (9), and is combined closely by tin cream and base plate (3).
3. a kind of great power LED bulkhead lamp capable according to claim 1 and 2 is characterized in that: said housing (1) comprises heat pipe II (11) and two groups of radiating pieces (12), and said heat pipe II (11) bending is the L type, and said radiating piece (12) is provided with perforate; Said heat pipe II (11) is connected in radiating piece (12), and the head end portion of heat pipe II (11) is arranged in the groove II (10), and by the riveted mode base plate (3) and heat pipe II (11) is combined closely.
4. a kind of great power LED bulkhead lamp capable according to claim 1; It is characterized in that: be provided with power supply (13) in the housing (1) of said heat radiation module (2) top; Said power supply (13) is fixedly set in top cover (14), said top cover (14) by screw lock in housing (1).
5. a kind of great power LED bulkhead lamp capable according to claim 4 is characterized in that: said top cover (14) top is provided with suspension ring (15); Said lampshade (7) is the aluminium reflection shield, and the material of said dust cover (8) is a glass, and said dust cover (8) is fixed in the edge of lampshade (7) by rivet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120387953XU CN202392585U (en) | 2011-10-13 | 2011-10-13 | High-power LED (light-emitting diode) mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120387953XU CN202392585U (en) | 2011-10-13 | 2011-10-13 | High-power LED (light-emitting diode) mining lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202392585U true CN202392585U (en) | 2012-08-22 |
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ID=46667510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120387953XU Expired - Fee Related CN202392585U (en) | 2011-10-13 | 2011-10-13 | High-power LED (light-emitting diode) mining lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202392585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352994A (en) * | 2011-10-13 | 2012-02-15 | 东莞市永兴电子科技有限公司 | High-power LED (light emitting diode) mining lamp and production process thereof |
| CN102913859A (en) * | 2012-10-23 | 2013-02-06 | 边树仁 | Light-emitting diode (LED) miner lamp shell and manufacturing method thereof and LED miner lamp employing LED miner lamp shell |
| CN107883359A (en) * | 2017-07-28 | 2018-04-06 | 东莞市光引实业有限公司 | High-power LED radiating structure |
-
2011
- 2011-10-13 CN CN201120387953XU patent/CN202392585U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352994A (en) * | 2011-10-13 | 2012-02-15 | 东莞市永兴电子科技有限公司 | High-power LED (light emitting diode) mining lamp and production process thereof |
| CN102913859A (en) * | 2012-10-23 | 2013-02-06 | 边树仁 | Light-emitting diode (LED) miner lamp shell and manufacturing method thereof and LED miner lamp employing LED miner lamp shell |
| CN102913859B (en) * | 2012-10-23 | 2014-07-23 | 边树仁 | Light-emitting diode (LED) miner lamp shell and manufacturing method thereof and LED miner lamp employing LED miner lamp shell |
| CN107883359A (en) * | 2017-07-28 | 2018-04-06 | 东莞市光引实业有限公司 | High-power LED radiating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141013 |
|
| EXPY | Termination of patent right or utility model |