CN203980166U - A kind of phase-change heat transfer COBLED gas station lamp - Google Patents
A kind of phase-change heat transfer COBLED gas station lamp Download PDFInfo
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- CN203980166U CN203980166U CN201420257360.5U CN201420257360U CN203980166U CN 203980166 U CN203980166 U CN 203980166U CN 201420257360 U CN201420257360 U CN 201420257360U CN 203980166 U CN203980166 U CN 203980166U
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- radiator
- change heat
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Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a kind of phase-change heat transfer COBLED gas station lamp, comprise radiator, COB LED light source, reflector, bonnet, mounting bracket, panel and power supply, radiator and reflector are fixed on connecting plate, connecting plate, bonnet and mounting bracket that radiator and reflector are installed are fixed on panel, power supply is fixed on bonnet, and described radiator is phase-change heat transfer radiator.It adopts the radiator of phase-change heat transfer, and utilizes heat-conducting silicone grease that COB LED light source and phase-change heat transfer radiator are fitted tightly, and radiating effect obviously improves, and greatly extend service life.
Description
Technical field
The utility model relates to technical field of semiconductor illumination, discloses especially a kind of phase-change heat transfer COBLED gas station lamp.
Background technology
Gas station is the important component part of city public services, and traditional gas station's lamp often adopts 250W, 400W Metal halogen lamp, or Non-polarized lamp, and 360 degree such as Metal halogen lamp are luminous, and the shortcoming that light loss is large has caused the huge waste of the energy.It is closely related that gas station illumination and people live, LED gas station lamp with directional lighting, the advantage such as power consumption is low, drive characteristic good, fast response time, shock resistance are high, long service life, environmental protection enters into people's the visual field gradually.
At present, the gas station's lamp existing on the market, critical piece comprises lamp body, driving power, radiator, LED light source etc., radiator major part is die casting aluminium or Extrusion Process of Aluminum Alloy Profile moulding, the radiator of die casting aluminium or Extrusion Process of Aluminum Alloy Profile moulding a plurality of fins that normally distribute on the solid cylinder of an aluminium, these fins are all connected together and are radial circumferential and arrange with the solid cylinder of one end separately and aluminium.The one side laminating of LED light source and die casting or the solid aluminum section bar that squeezes out, the heat producing during LED work, derives heat by this solid aluminum section bar, and heat relies on radiator fins surface to contact with air, and carry out heat exchange with air, thereby dissipation of heat in air.Its heat transfer efficiency is low, and heat transfer rate is slow, and surface area is limited, and the heat that can not in time LED be produced is led away, causes the heat of LED light source to be concentrated, and heat is deposited on light source place, causes light source led junction temperature of chip too high, causes light decay serious, reduction of service life.In addition, die casting aluminium and Extrusion Process of Aluminum Alloy Profile radiator, weight and volume is all larger, and the super high power gas station light fixture of design 200W-1000W is a serious restriction and challenge.
Utility model content
The purpose of this utility model is to provide a kind of phase-change heat transfer COBLED gas station lamp, it adopts the radiator of phase-change heat transfer, and utilize heat-conducting silicone grease that COB LED light source and phase-change heat transfer radiator are fitted tightly, and radiating effect obviously improves, and greatly extend service life.
The utility model provides a kind of phase-change heat transfer COBLED gas station lamp, comprise radiator, COB LED light source, reflector, bonnet, mounting bracket, panel and power supply, radiator and reflector are fixed on connecting plate, connecting plate, bonnet and mounting bracket that radiator and reflector are installed are fixed on panel, power supply is fixed on bonnet, and described radiator is phase-change heat transfer radiator.
Preferably, COB LED light source fits tightly by heat-conducting silicone grease and phase-change heat transfer radiator.
Adopt the phase-change heat transfer radiator of high thermal conductivity coefficient as the radiator of LED, utilize high-quality heat-conducting silicone grease that one end of COB LED light source and phase-change heat transfer radiator is fitted tightly, the other end of the bonnet of lamp outer casing and phase-change heat transfer radiator fits tightly, guarantee that LED obtains best heat-transfer effect, the heat that LED light source can be produced is delivered to the fin of radiator with the fastest speed, and the positions such as lamp back cover that contact with the radiator other end.The heat at LED light source place is difficult for gathering, and reduces the temperature at LED light source place, improves the light decay of LED light source, and greatly extend the service life of ShiLED gas station lamp.
Preferably, each side of bonnet is provided with some through holes; This Design of ventilation has guaranteed the cross-ventilation of lamp interior, and heat is shed in time.Preferably, phase-change heat transfer radiator comprises a plurality of aluminium alloy fins, and when it guarantees that heat radiation requires, overall volume is little, lightweight, is convenient to install and use.
Preferably, described aluminium alloy fin, in the gap of leaving for air level and vertical direction circulation, forms heat exchange so that the surface of aluminium alloy fin contacts with ambient air, further guarantees the quick heat radiating of fin slices radiator.
Preferably, described reflector is the cup-shaped reflection shield that is arranged at COB LED light source outside, and its inner surface is coated with chromium coating, can usable reflection LED light.
Preferably, in described connecting plate, be provided with draw-in groove, for placing COB LED light source protective cover, described protective cover is PC plate.PC, i.e. Merlon, has a very high impact strength at low temperatures even if PC plate mechanical strength is high, creep resistance is good; In compared with large-temperature range, there is rigidity confining force; Anti-energy-ray, good electric insulating quality, extraordinary dimensional stability, translucence, physiology inertia.
The beneficial effects of the utility model have:
1, it adopts the radiator of phase-change heat transfer, and utilizes heat-conducting silicone grease that COB LED light source and phase-change heat transfer radiator are fitted tightly, and radiating effect obviously improves, and greatly extend service life.
2, phase-change heat transfer radiator adopts the mutual buckle of multi-disc aluminium alloy fin to form fins group, and when it guarantees that heat radiation requires, overall volume is little, lightweight, is convenient to install and use.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 2 is the perspective view of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 3 a is the front view of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 3 b is the left view of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 3 c is the right view of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 3 d is the top view of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 3 e is the rearview of the utility model phase-change heat transfer COBLED gas station lamp.
Fig. 3 f is the upward view of the utility model phase-change heat transfer COBLED gas station lamp.
In figure, 1-hexagon socket countersunk flat cap head screw, 2-flat shim, 3-spring shim, 4-nut, 5-panel, 6-PC plate, 7-connecting plate, 8-reflector fixed head, 9-crossed pan head screw, 10-reflector, 11-COB LED light source, 12-phase-change heat transfer radiator, 13-radiator mounting, 14-crossed countersunk head screw, 15-socket cap screw, 16-M4 nut, 17-power supply, 18-bonnet, 19-mounting bracket.
The specific embodiment
The present embodiment is the utility model preferred embodiment, and other all its principles are identical with the present embodiment or approximate with basic structure, all within the utility model protection domain.
Incorporated by reference to referring to accompanying drawing 1 to 3, phase-change heat transfer COBLED of the present utility model gas station lamp, comprise phase-change heat transfer radiator 12, COB LED light source 11, reflector 10, bonnet 18, mounting bracket 19, panel 5 and power supply 17, phase-change heat transfer radiator 12 and reflector 10 are fixed on connecting plate 7, connecting plate 7, bonnet 18 and mounting bracket 19 that phase-change heat transfer radiator 12 and reflector 10 are installed are fixed on panel 5, and power supply 17 is fixed on bonnet 18.Reflector 10 is for being arranged at the cup-shaped reflection shield of COB LED light source 11 outsides, and its inner surface is coated with chromium coating, can usable reflection LED light.
Its detailed structure is assembled into: first COB LED light source 11 is fixing by crossed pan head screw 9 with phase-change heat transfer radiator 12, both are fully contacted, then with crossed countersunk head screw 14, phase-change heat transfer radiator 12 is fixed on radiator mounting 13, after power supply 17 is fixed on bonnet 18 by socket cap hexagon socket head cap screw 15 and M4 nut 16, then reflector 10 use crossed pan head screws 9 are fixed on reflector fixed head 8, again phase-change heat transfer radiator 12 and reflector 10 are passed through to hexagon socket countersunk flat cap head screw 1, flat shim 2, spring shim 3, nut 4 assemblies such as grade are fixed on connecting plate 7, again PC plate 6 is put into connecting plate 7 draw-in grooves, PC plate 6 can be used as the protective cover of COB LED light source, finally by heat sink assembly, reflective glass component, bonnet 18 and mounting bracket 19 are by hexagon socket countersunk flat cap head screw 1, flat shim 2 spring shims 3 and nut 4 are fixed on panel 5.
Wherein, phase-change heat transfer radiator 12 is conventional, commercially available radiator product, its structural principle is: the cavity that is provided with a hollow structure in the middle of it, inside cavity has capillary slot group, inside is vacuum state, be filled with heat transfer medium (being generally industrial pure water or acetone), when one end is heated, the medium of cavity the inside will be heated and be vaporized into gaseous fluid, gaseous fluid is promptly passed to heat the other end and other positions of radiator by inner micro groove structure, when gaseous fluid arrives condensation end, can meet condensation and form liquid, discharge the latent heat of vaporization, now liquid phase fluid is back to heating end by inner capillary slot group, like this, continuous condensation evaporation by medium circulates, flash heat transfer and the heat sinking function of radiator have just been realized.
Wherein, COB is chip On board, and bare chip is sticked on interconnect substrates by conduction or non-conductive adhesive, then carries out Bonding and realizes its electrical connection, COB LED is again COB LED source, COB LED module, has long strip type, square, circular three kinds of packing forms.
Wherein, heat-conducting silicone grease is commonly called as thermal grease, heat-conducting silicone grease be take organic silicone as primary raw material, add the material heat-resisting, heat conductivility is excellent, the heat-conducting type organosilicon smectic compound of making, for heat conduction and the heat radiation of the electronic components such as power amplifier, transistor, electron tube, CPU, thereby the electric property of assurance electronic instrument and meter etc. is stable.Adopt the phase-change heat transfer radiator of 1-2 high thermal conductivity coefficient as the radiator of LED, utilize high-quality heat-conducting silicone grease that one end of COB LED light source and phase-change heat transfer radiator is fitted tightly, the other end of the bonnet of lamp outer casing and phase-change heat transfer radiator fits tightly, guarantee that LED obtains best heat-transfer effect, the heat that COB LED can be produced is delivered to the fin of radiator with the fastest speed, and the positions such as lamp back cover that contact with the radiator other end.The heat at LED light source place is difficult for gathering, and reduces the temperature at LED light source place, improves the light decay of LED light source, and greatly extend the service life of ShiLED gas station lamp.
In the present embodiment, each side of bonnet 18 is provided with some through holes; This Design of ventilation has guaranteed the cross-ventilation of lamp interior, and heat is shed in time.Phase-change heat transfer radiator 12 comprises a plurality of fins group, and when it guarantees that heat radiation requires, overall volume is little, lightweight, is convenient to install and use.Described aluminium alloy fin, in the gap of leaving for air level and vertical direction circulation, forms heat exchange so that the surface of aluminium alloy fin contacts with ambient air, further guarantees the quick heat radiating of fin slices radiator 12.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (7)
1. a phase-change heat transfer COBLED gas station lamp, comprise radiator, COB LED light source, reflector, bonnet, mounting bracket, panel and power supply, it is characterized in that: radiator and reflector are fixed on connecting plate, connecting plate, bonnet and mounting bracket that radiator and reflector are installed are fixed on panel, power supply is fixed on bonnet, and described radiator is phase-change heat transfer radiator.
2. phase-change heat transfer COBLED according to claim 1 gas station lamp, is characterized in that: COB LED light source fits tightly by heat-conducting silicone grease and phase-change heat transfer radiator.
3. phase-change heat transfer COBLED according to claim 1 gas station lamp, is characterized in that: each side of bonnet is provided with some through holes.
4. according to the phase-change heat transfer COBLED gas station lamp described in any one in claims 1 to 3, it is characterized in that: phase-change heat transfer radiator comprises a plurality of fins.
5. a kind of phase-change heat transfer COBLED according to claim 4 gas station lamp, is characterized in that: described aluminium alloy fin is in the gap of leaving for air level and vertical direction circulation.
6. phase-change heat transfer COBLED according to claim 1 gas station lamp, is characterized in that: described reflector is the cup-shaped reflection shield that is arranged at COB LED light source outside, and its inner surface is coated with chromium coating.
7. phase-change heat transfer COBLED according to claim 1 gas station lamp, is characterized in that: in described connecting plate, be provided with draw-in groove, for placing COB LED light source protective cover, described protective cover is PC plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257360.5U CN203980166U (en) | 2014-05-20 | 2014-05-20 | A kind of phase-change heat transfer COBLED gas station lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257360.5U CN203980166U (en) | 2014-05-20 | 2014-05-20 | A kind of phase-change heat transfer COBLED gas station lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203980166U true CN203980166U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257360.5U Expired - Fee Related CN203980166U (en) | 2014-05-20 | 2014-05-20 | A kind of phase-change heat transfer COBLED gas station lamp |
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| Country | Link |
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| CN (1) | CN203980166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307254A (en) * | 2018-11-27 | 2019-02-05 | 湖州明朔光电科技有限公司 | A lighting radiator and lighting assembly using the same |
-
2014
- 2014-05-20 CN CN201420257360.5U patent/CN203980166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307254A (en) * | 2018-11-27 | 2019-02-05 | 湖州明朔光电科技有限公司 | A lighting radiator and lighting assembly using the same |
| CN109307254B (en) * | 2018-11-27 | 2024-07-05 | 湖州明朔光电科技有限公司 | A lighting radiator and a lighting component using the same |
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| 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: 20141203 Termination date: 20190520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |