CN203273808U - Radiator for LED lamp - Google Patents
Radiator for LED lamp Download PDFInfo
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- CN203273808U CN203273808U CN2013202698930U CN201320269893U CN203273808U CN 203273808 U CN203273808 U CN 203273808U CN 2013202698930 U CN2013202698930 U CN 2013202698930U CN 201320269893 U CN201320269893 U CN 201320269893U CN 203273808 U CN203273808 U CN 203273808U
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- heat conduction
- led lamp
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- radiator
- convection current
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Abstract
The utility model discloses a radiator for an LED lamp. The radiator is arranged on the lower portion of an aluminum substrate of the LED lamp, and comprises a thermal conductive layer, a plurality of thermal conductive convection layers and a plurality of thermal conductive convection radiation layers. The thermal conductive layer is connected with the bottom face of the aluminum substrate of the LED lamp, the thermal conductive convection layers are sequentially arranged on the lower portion of the thermal conductive layer from top to bottom, and the lower portions of the thermal conductive convection layers are respectively provided with one thermal conductive convection radiation layer. By means of the multi-layer structure, the radiator can be tightly connected with the aluminum substrate of the LED lamp, guarantees high heat transmission efficiency, can effectively improve luminous efficacy of the LED lamp and prolongs the service life of the LED lamp. Besides, heat dissipating holes are additionally formed in each aluminum foil layer to form convection of heat, so that the heat dissipation effect of the LED lamp is well improved. The aluminum foil layers and aluminum plate layers are alternatively arranged, the use amount of aluminum is effectively reduced, cost is saved, and meanwhile the structure of the radiator is simple, light and ingenious.
Description
Technical field
The utility model relates to the heat dissipation technology of LED lamp, particularly the radiator used of a kind of LED lamp.
Background technology
At present, illumination consumes and accounts for 20% of whole power consumption, and reducing electric consumption on lighting is one of important channel of saving the energy.The LED lamp that is representing the 21 century green light source is compared with electricity-saving lamp, and advantages such as having long service life, energy-saving and environmental protection, be easy to control, reaction speed is fast has wide illumination prospect.But because present LED lamp efficiency only can reach 10%-20%, all the other approximately 80% Conversion of Energy be heat energy, therefore, if can solve preferably heat dissipation problem, must effectively reduce the loss of the energy.In addition, the release of high-power chip has promoted the application potential of LED lamp at lighting field, but also causes unit are to discharge more heat.How to solve the chip cooling problem, also become one of technical barrier of LED lamp technical development.
At present, the major way for the heat radiation of LED lamp has following two kinds:
(1) as shown in Figure 1, to directly fit together with aluminum radiating piece 3 with the LED lamp aluminium base 2 of LED lamp chip 1, wherein, the aluminum radiating piece is the integral type structure, its area of dissipation is little, and due to the surface irregularity of aluminum radiating piece, easily leaves the space between the top board of LED lamp aluminium base and aluminum radiating piece, be unfavorable for heat transfer, radiating effect is relatively poor;
(2) as shown in Figure 2, will be with the use of fitting of the LED lamp aluminium base 2 of LED lamp chip 1 and ring-type aluminium sheet radiator 4,, less and easily have a gap due to the contact area of LED lamp aluminium base and ring-type aluminium sheet radiator, its heat transfer efficiency is lower, and radiating effect is also relatively poor; In addition, because ring-type aluminium sheet radiator adopts the aluminium integral production, its thickness is large, and cost is also high, and the radiating convection area is less simultaneously, so its heat transfer efficiency is quite low, easily affects light efficiency and the service life of LED lamp.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of heat transfer efficiency higher, can effectively improve the light efficiency of LED lamp and the radiator that the LED lamp in service life is used.
The technical solution of the utility model is: the radiator that a kind of LED lamp is used, be located at below LED lamp aluminium base, comprise a heat conduction layer, a plurality of heat conduction troposphere and a plurality of heat conduction convection current radiating layer, heat conduction layer and LED lamp aluminium base bottom surface join, a plurality of heat conduction troposphere from top to bottom is located at below heat conduction layer successively, and each below, heat conduction troposphere is respectively equipped with heat and conducts the convection current radiating layer; Namely below heat conduction layer, heat conduction troposphere and heat conduction convection current radiating layer are arranged alternately, and are heat conduction troposphere with the heat conduction layer bottom surface joins.The quantity of heat conduction troposphere and heat conduction convection current radiating layer can arrange flexibly according to actual size and the heat radiation needs of LED lamp aluminium base.
Described heat conduction layer is copper foil layer, and it is aluminium foil layer that heat is conducted the troposphere, and heat conduction convection current radiating layer is aluminum layer.Wherein, copper foil layer has heat transfer property and being flexible coupling property preferably as heat conduction layer, be used for can realizing seamless combining closely between aluminium foil layer and LED lamp aluminium base, and the good heat-conducting effect of Copper Foil has guaranteed the heat transmission of LED lamp aluminium base.Aluminium foil layer conducts the troposphere as heat, and after the louvre of rule was set on its surface, the convection current that can increase heat was distributed.Aluminum layer has guaranteed the intensity of heat transmission and whole radiator as heat conduction convection current radiating layer.
Described copper foil layer can adopt the annealing red copper foil, and aluminium foil layer can adopt hydrophilic aluminium foil (namely passing through the aluminium foil of hydrophilic treated) or plain the paper tinsel aluminium foil of hydrophilic treated (namely without), and aluminum layer can adopt pure aluminum plate.
Described heat conduction troposphere is the integral type structure, comprises the central part and the flanging that are connected, and the shape of central part is identical with LED lamp aluminium base, and the flanging of downward bending is set around central part, and flanging is provided with louvre, and the convection current that can increase heat is distributed.
The shape of described heat conduction convection current radiating layer is identical with LED lamp aluminium base.
Described LED lamp aluminium base is provided with wiring hole and fixing hole, and corresponding position also is provided with wiring hole and fixing hole on the tropospheric central part of each heat conduction and on each heat conduction convection current radiating layer; Connect by bolt-locking at the fixing hole place between LED aluminium base, heat conduction layer, heat conduction troposphere and heat conduction convection current radiating layer.
From top to bottom, the tropospheric center part dimension of described each heat conduction reduces gradually, and the size of each heat conduction convection current radiating layer also reduces gradually.Be that the tropospheric shape of each heat conduction is identical, size is different, and from top to bottom size reduces gradually; The shape of each heat conduction convection current radiating layer is identical, and size is different, and from top to bottom size reduces gradually.
As a kind of preferred version, the thickness of described heat conduction layer is 0.1mm.
As a kind of preferred version, the tropospheric thickness of described heat conduction is 0.1～0.2mm.
As a kind of preferred version, the thickness of described heat conduction convection current radiating layer is 0.5～1.0mm.
The utility model has following beneficial effect with respect to prior art:
The radiator that this LED lamp is used adopts sandwich construction, can closely be connected with LED lamp aluminium base, guarantees higher heat transfer efficiency, can effectively improve the light efficiency of LED lamp and the radiator that the LED lamp in service life is used.In addition, set up louvre on each aluminium foil layer, form the convection current of heat, can improve better the radiating effect of LED etc.; Aluminium foil layer and aluminum layer are arranged alternately, effectively reduce the consumption of aluminium, save cost, also make the structure of radiator more simple light and handy simultaneously.
Description of drawings
Fig. 1 is a kind of structural representation that traditional LED lamp is used radiator.
Fig. 2 is the another kind of structural representation that traditional LED lamp is used radiator.
The structural representation of the radiator that Fig. 3 uses for this LED lamp.
Fig. 4 is the structural representation after in Fig. 3, on the A direction, single aluminium foil layer launches.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
The radiator that a kind of LED lamp of the present embodiment is used, as shown in Figure 3, be located at LED lamp aluminium base 2 belows, comprise a heat conduction layer 5, a plurality of heat conduction troposphere 6 and a plurality of heat conduction convection current radiating layer 7, heat conduction layer and LED lamp aluminium base bottom surface join, a plurality of heat conduction troposphere from top to bottom is located at below heat conduction layer successively, and each below, heat conduction troposphere is respectively equipped with heat and conducts the convection current radiating layer; Namely below heat conduction layer, heat conduction troposphere and heat conduction convection current radiating layer are arranged alternately, and are heat conduction troposphere with the heat conduction layer bottom surface joins.The quantity of heat conduction troposphere and heat conduction convection current radiating layer can arrange flexibly according to actual size and the heat radiation needs of LED lamp aluminium base, and in the present embodiment, heat conduction troposphere and heat conduction convection current radiating layer all have 4.
Heat conduction layer is copper foil layer, and it is aluminium foil layer that heat is conducted the troposphere, and heat conduction convection current radiating layer is aluminum layer.Wherein, copper foil layer has heat transfer property and being flexible coupling property preferably as heat conduction layer, be used for can realizing seamless combining closely between aluminium foil layer and LED lamp aluminium base, and the good heat-conducting effect of Copper Foil has guaranteed the heat transmission of LED lamp aluminium base.Aluminium foil layer conducts the troposphere as heat, and after the louvre of rule was set on its surface, the convection current that can increase heat was distributed.Aluminum layer has guaranteed the intensity of heat transmission and whole radiator as heat conduction convection current radiating layer.
Copper foil layer can adopt the annealing red copper foil, and aluminium foil layer can adopt hydrophilic aluminium foil (namely passing through the aluminium foil of hydrophilic treated) or plain the paper tinsel aluminium foil of hydrophilic treated (namely without), and aluminum layer can adopt pure aluminum plate.
As shown in Figure 4, it is the integral type structure that heat is conducted troposphere 6, comprises the central part 6-1 and the flanging 6-2 that are connected, the shape of central part is identical with LED lamp aluminium base, the flanging of downward bending is set around central part, and flanging is provided with louvre 6-3, and the convection current that can increase heat is distributed.
The shape of heat conduction convection current radiating layer is identical with LED lamp aluminium base.In the present embodiment, LED lamp aluminium base is square structure, so the heat tropospheric central part of conduction and heat conduction convection current radiating layer also are square structure.
LED lamp aluminium base is provided with wiring hole 8 and fixing hole 9, and corresponding position also is provided with wiring hole and fixing hole on the tropospheric central part of each heat conduction and on each heat conduction convection current radiating layer; Connect by bolt-locking at the fixing hole place between LED aluminium base, heat conduction layer, heat conduction troposphere and heat conduction convection current radiating layer.
From top to bottom, the tropospheric center part dimension of each heat conduction reduces gradually, and the size of each heat conduction convection current radiating layer also reduces gradually.Be that the tropospheric shape of each heat conduction is identical, size is different, and from top to bottom size reduces gradually; The shape of each heat conduction convection current radiating layer is identical, and size is different, and from top to bottom size reduces gradually.
The thickness of heat conduction layer is 0.1mm.
The tropospheric thickness of heat conduction is 0.1～0.2mm.
The thickness of heat conduction convection current radiating layer is 0.5～1.0mm.
As mentioned above, just can realize preferably the utility model, above-described embodiment is only preferred embodiment of the present utility model, is not to limit practical range of the present utility model; Be that all equalizations of doing according to the utility model content change and modify, all contained by the utility model claim scope required for protection.
Claims (10)
1. radiator that the LED lamp is used, be located at below LED lamp aluminium base, it is characterized in that, comprise a heat conduction layer, a plurality of heat conduction troposphere and a plurality of heat conduction convection current radiating layer, heat conduction layer and LED lamp aluminium base bottom surface join, a plurality of heat conduction troposphere from top to bottom is located at below heat conduction layer successively, and each below, heat conduction troposphere is respectively equipped with heat and conducts the convection current radiating layer.
2. the radiator used of a kind of LED lamp according to claim 1, is characterized in that, described heat conduction layer is copper foil layer, and heat conduction troposphere is aluminium foil layer, and heat conduction convection current radiating layer is aluminum layer.
3. the radiator used of a kind of LED lamp according to claim 2, is characterized in that, described copper foil layer adopts the annealing red copper foil, and aluminium foil layer adopts hydrophilic aluminium foil or plain paper tinsel, and aluminum layer adopts pure aluminum plate.
4. the radiator used of a kind of LED lamp according to claim 1, it is characterized in that, described heat conduction troposphere is the integral type structure, comprise the central part and the flanging that are connected, the shape of central part is identical with LED lamp aluminium base, the flanging of downward bending is set around central part, and flanging is provided with louvre.
5. the radiator used of a kind of LED lamp according to claim 4, is characterized in that, the shape of described heat conduction convection current radiating layer is identical with LED lamp aluminium base.
6. the radiator used of a kind of LED lamp according to claim 5, it is characterized in that, described LED lamp aluminium base is provided with wiring hole and fixing hole, and corresponding position also is provided with wiring hole and fixing hole on the tropospheric central part of each heat conduction and on each heat conduction convection current radiating layer; Connect by bolt-locking at the fixing hole place between LED aluminium base, heat conduction layer, heat conduction troposphere and heat conduction convection current radiating layer.
7. the radiator used of a kind of LED lamp according to claim 4, is characterized in that, from top to bottom, the tropospheric center part dimension of described each heat conduction reduces gradually, and size of each heat conduction convection current radiating layer also reduces gradually.
8. the radiator used of a kind of LED lamp according to claim 1, is characterized in that, the thickness of described heat conduction layer is 0.1mm.
9. the radiator used of a kind of LED lamp according to claim 1, is characterized in that, the tropospheric thickness of described heat conduction is 0.1～0.2mm.
10. the radiator used of a kind of LED lamp according to claim 1, is characterized in that, the thickness of described heat conduction convection current radiating layer is 0.5～1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202698930U CN203273808U (en) | 2013-05-17 | 2013-05-17 | Radiator for LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202698930U CN203273808U (en) | 2013-05-17 | 2013-05-17 | Radiator for LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203273808U true CN203273808U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202698930U Expired - Fee Related CN203273808U (en) | 2013-05-17 | 2013-05-17 | Radiator for LED lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN203273808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759202A (en) * | 2013-12-09 | 2014-04-30 | 广东雪莱特光电科技股份有限公司 | Illumination structure and heat dissipation structure for automobile headlamp |
-
2013
- 2013-05-17 CN CN2013202698930U patent/CN203273808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759202A (en) * | 2013-12-09 | 2014-04-30 | 广东雪莱特光电科技股份有限公司 | Illumination structure and heat dissipation structure for automobile headlamp |
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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: 20131106 Termination date: 20140517 |