CN201652268U - High-power LED radiating module - Google Patents
High-power LED radiating module Download PDFInfo
- Publication number
- CN201652268U CN201652268U CN2010200044558U CN201020004455U CN201652268U CN 201652268 U CN201652268 U CN 201652268U CN 2010200044558 U CN2010200044558 U CN 2010200044558U CN 201020004455 U CN201020004455 U CN 201020004455U CN 201652268 U CN201652268 U CN 201652268U
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- power led
- great power
- substrate
- radiating seat
- cooling module
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
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Abstract
The utility model discloses a high-power LED radiating module, comprising a radiator and a high-power LED installed on the radiator. The radiator comprises a base plate which has a front face and a back face, and the back face of the base plate is provided with radiating fins. The base plate is a panel, and a plurality of conduction circuits are printed on the front face of the base plate. A plurality of raised metal blocks are arranged among the conduction circuits, a radiating base of the high-power LED is fixed on the metal block, and the conductive pins of the high-power LED are connected with the conduction circuits. In the utility model, a PCB circuit board is omitted, and the high-power LED is contacted with the radiator through the metal blocks, therefore, the arrangement reduces the product cost and has the advantages of simple structure and high radiating efficiency. Furthermore, the adoption of the high-power LED as the light source of a lighting lamp also has the characteristics of high efficiency, energy saving and environment protection.
Description
[technical field]
The utility model relates to a kind of heat abstractor, particularly relates to a kind of great power LED cooling module.
[background technology]
The LED semiconductor lighting be after incandescent lamp, fluorescent lamp and rare gas lamp the 4th generation electric light source, because of advantages such as its high efficiency, long-life, energy-saving and environmental protection, having become all over the world light source and light fixture research institution and lamp lighting and created the target that the merchant competitively develops, makes great efforts to obtain, is the star industry of following lighting field.Along with the continuous progress of LED manufacturing technology and the exploitation and the application of new material (element nitride crystal and fluorescent material), the LED semiconductor solid-state optical source performance of the coloured light that turns white is constantly improved and entered the practical stage, led light source has progressively moved towards fields such as auto lamp, street lamp from special sources such as initial signal lamp, indicator lamps.The LED energy consumption of white light only is 1/8 of an incandescent lamp, 1/2 of fluorescent lamp, and its life-span was 100,000 hours, and illumination is " putting things right once and for all " for average family.Can realize also simultaneously mercurylessly, reclaim easily that this is significant for environmental protection and energy savings.Therefore national governments all vigorously support.LED needs the above power output of watt level as illumination light source, therefore how to improve light extraction efficiency, solves the key that the great power LED cooling problem is the LED illumination.The continuous increase of LED power, the application subject matter that solves LED is exactly heat dissipation problem.
Existing application generally all is to add radiator on LED in the heat abstractor on the LED, dispels the heat in the mode that increases area of dissipation.And when power was big more, the area of fin was just big more, sometimes even do not satisfy radiating requirements, was difficult to solution so fin is directly adorned in the single dependence of the heating problem of most of LED, and existed environmental pollution, the more high a series of problems of cost.
Number of patent application is that 200410047327.0 the disclosed technical scheme of Chinese invention patent is earlier LED to be arranged on the metallic object, LED and metallic object is arranged at attacks on the hot pedestal again, on the heat radiation pedestal a plurality of radiating fins is arranged.The scheme of the passive heat radiation of this class can also satisfy the heat radiation requirement under the smaller situation of LED heating, but when a plurality of LED dense arrangement or/and LED power ratio bigger the time, this radiating mode just can not dispel the heat to LED effectively.The scheme that also has adds fan improving radiating rate on the led circuit plate, but fan can attract an a lot of dusts and generation contaminated environment of making an uproar in heat radiation, and this radiating mode is short service life, and diffusing efficient neither be very desirable.
The Chinese invention patent application discloses LED heat radiating mechanism, be between printed circuit board (PCB), to get involved one deck thermal diffusion plate, stamp out on this thermal diffusion plate or stubborn fold a plurality of heat-conducting blocks that are trapezoidal protrusion, wherein a heat-conducting block passes the printed circuit board (PCB) perforation and leads with the LED bottom surface and to touch; Though this can reach great heat radiation effect, but the volume of thermal diffusion plate is too big, takies too much space, and adding aluminium base has multi-disc to extend the difference shape fin of lengthening again, make that the whole LED heat-radiating substrate is excessive, be not easy to be arranged in the confined space scope of light-emitting device.
At present the most traditional great power LED cooling mode as shown in Figure 1, a plurality of great power LEDs are fixed on the PCB circuit board that prints, the PCB circuit board that is provided with a plurality of great power LEDs is fixed on one has on the radiator on a plane, on radiator and face that the PCB circuit board contacts, be coated with and touch thermal grease to reach better radiating effect.It is comparatively complicated that but this kind is provided with structure, and cost is higher, radiating efficiency is not high yet simultaneously, light fixture is normally worked under the temperature more than five, 60 degree, great power LED will influence the operate as normal of light fixture at long high temperature, and work also will be shortened the service life of whole light fixture greatly under the high temperature.
[utility model content]
The technical problems to be solved in the utility model provides a kind of have efficient, energy-saving and environmental protection, cost is low, simple in structure, radiating efficiency is high great power LED cooling module.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of great power LED cooling module, it is characterized in that, comprise radiator and be installed in great power LED on the radiator, described radiator comprises a substrate, described substrate just has, anti-two faces, the reverse side of substrate is provided with radiating fin, substrate is a flat board, on the front of described substrate, be printed with many conducting circuits at interval, between described conducting circuit, be provided with the metal derby of a plurality of projectioies, the heat dissipation base of described great power LED is fixed on the described metal derby, and the conductive feet of described great power LED is connected with described conducting circuit.
The beneficial effects of the utility model are: because the utility model is directly to be printed with many conducting circuits on the flat board of radiator base plate, and between the conducting circuit, be provided with the metal derby of a plurality of projectioies, the heat dissipation base of great power LED is fixed on the metal derby, and the conductive feet of great power LED is connected with the conducting line electricity.The utility model has saved the PCB circuit board, great power LED contacts with radiator by metal derby, the reduction product cost is set like this, and has advantage simple in structure, that radiating efficiency is high, simultaneously, adopt great power LED as the light source of lighting also have efficiently, the characteristics of energy-saving and environmental protection.
Preferably, described metal derby is consistent with the size and the shape of the heat dissipation base of described great power LED.
Preferably, be provided with a Y shape radiating seat at the reverse side of substrate along the length direction of substrate, described radiating fin evenly is spaced apart and arranged in the groove of the both sides of Y shape radiating seat and Y shape radiating seat.
Preferably, described radiating fin extends along the length direction of Y shape radiating seat.
Preferably, the radiating fin in Y shape radiating seat both sides is parallel to the substrate setting, and the radiating fin in the groove of Y shape radiating seat is perpendicular to the orientation substrate setting.
Preferably, the reverse side of described substrate is provided with rib.
Preferably, be provided with a through hole in the centre of the base of described Y shape radiating seat.
Preferably, described flat board is provided with wire guide, and described wire guide is communicated with described through hole.
Preferably, be provided with open slot along even compartment of terrain on the length direction of described Y shape radiating seat, the degree of depth of described open slot extends to the bottom portion of groove position of Y shape radiating seat.
Preferably, be provided with depression and the projection that is used to increase area of dissipation at its length direction of described radiating fin upper edge.
[description of drawings]
Below in conjunction with accompanying drawing the utility model is described in further details.
Fig. 1 is the structural representation of background technology specific embodiment.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is a front view of the present utility model.
Fig. 4 is the structure for amplifying schematic diagram of B part shown in Figure 2.
Fig. 5 is the utility model A-A cutaway view shown in Figure 3.
Fig. 6 is the structure for amplifying schematic diagram of C part shown in Figure 5.
[specific embodiment]
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Shown in accompanying drawing 2-5, the utility model comprises radiator 10 and is installed in great power LED 14 on the radiator 10, described great power LED 14 comprises heat dissipation base 24, ring is located at the holder 26 of heat dissipation base 24 outsides, is placed in the holder 26 and is layered in the luminescent wafer 30 on the heat dissipation base 24, the conductive feet 31 that connects luminescent wafer 30 and the optical lens 28 that is encapsulated in luminescent wafer 30 tops; Described radiator 10 comprises a substrate 32, described substrate 32 has positive and negative two faces, the reverse side of substrate 32 is provided with a Y shape radiating seat 33, described Y shape radiating seat 33 extends along the length direction of substrate 32, evenly the compartment of terrain is provided with radiating fin 34 in the groove 33a of the both sides of described Y shape radiating seat 33 and Y shape radiating seat 33, wherein, radiating fin 34 in Y shape radiating seat 33 both sides is parallel to substrate 32 and is provided with, radiating fin 34 in the groove 33a of Y shape radiating seat 33 is perpendicular to substrate 32 direction settings, and described radiating fin 34 is isometric with Y shape radiating seat 33.The reverse side of described substrate 32 is provided with rib 12a, 12b.Described rib 12a, 12b are in the both sides of the base of described Y shape radiating seat 33.Promptly the chassis left side at Y shape radiating seat 33 is arranged at intervals with two rib 12a; Be arranged at intervals with two rib 12b on the base right side of Y shape radiating seat 33, described rib 12a, 12b both can strengthen the plate rigidity of soft tissues degree of substrate 32, also can improve the radiating efficiency of substrate 32 simultaneously.The reverse side of described substrate 32 is provided with rib.Be provided with an open slot 15 along even compartment of terrain on the length direction of described Y shape radiating seat 33, the degree of depth of described open slot 15 extends to the groove 33a bottom position place of Y shape radiating seat 33, shown in accompanying drawing 5, wherein open slot 15 can be perpendicular to the direction setting of substrate 32, open slot 15 also can with described substrate 32 shapes at an angle.The heat that described open slot 15 can come out module better conducts, and strengthens air and heat convection current, improves radiating efficiency, can more effectively reduce the operating temperature of whole light fixture.The spacing distance of described open slot 15 is 10-30cm; Preferred version, the spacing distance of described open slot 15 are 15-25cm.Preferred plan, the spacing distance L of described open slot 15 is 20cm.In order further to increase area of dissipation, its length direction is provided with depression 34a and the protruding 343b that is used to increase area of dissipation in described radiating fin 34 upper edges.The front of described substrate 32 is a flat board; Be printed with many conducting circuits 17 in the front of described substrate 32, be provided with the metal derby 12 of a plurality of projectioies in 17 in described conducting circuit, the heat dissipation base 24 of described great power LED 14 is fixed on the metal derby 12, and described metal derby 12 is consistent with the size and the shape of the heat dissipation base 24 of described great power LED 14.The conductive feet 31 of described great power LED 14 is connected with described conducting circuit 17, above-mentioned conducting circuit 17 design principles are to be one group by two great power LEDs 14 to be connected in parallel and to form a high-powered LED lamp group, are connected by the 12 high-powered LED lamp groups circuit that forms entire module that is cascaded.Above-mentioned radiator 10 is to adopt metallic aluminium to make, and above-mentioned metal derby 12 can adopt metallic copper, aluminium alloy, tin etc. to be easy to the heat conductive metal material, metal derby 12 is to be fixed on the flat board of substrate 32 by metal resonance, the heat dissipation base 24 and the metal derby 12 of described great power LED 14 weld together, described radiator 10 must be inconsistent with the metal lattice of metal derby 12, the surface of described metal derby 12 is provided with decorative pattern, and so just easier metal derby 12 is resonated by metal is fixed on the front of described substrate 32.Described metal derby 12 is consistent with the size and the shape of the heat dissipation base 24 of described great power LED 14.Centre at the base of described Y shape radiating seat 33 is provided with a through hole 22.The front of described substrate 32 is provided with wire guide 16, and described wire guide 16 is communicated with described through hole 22.
Heat radiation module of the present utility model can be used on a series of LED light fixtures that need to dispel the heat such as street lamp, stage lighting, Projecting Lamp, garden lamp, wall lamp, heat radiation module of the present utility model is applied to relate to the protection domain that all should belong to present technique on LED light fixture and the associated lamp.
The above is all so that the utility model conveniently to be described, in the spiritual category that does not break away from the utility model creation, the various simple covert and modification that those skilled in the art did of being familiar with this technology still belongs to protection domain of the present utility model.
Claims (10)
1. great power LED cooling module, it is characterized in that: comprise radiator and be installed in great power LED on the radiator, described radiator comprises a substrate, described substrate has positive and negative two faces, the reverse side of substrate is provided with radiating fin, substrate is a flat board, on the front of described substrate, be printed with many conducting circuits at interval, between described conducting circuit, be provided with the metal derby of a plurality of projectioies, the heat dissipation base of described great power LED is fixed on the described metal derby, and the conductive feet of described great power LED is connected with described conducting circuit.
2. a kind of great power LED cooling module according to claim 1 is characterized in that: described metal derby is consistent with the size and the shape of the heat dissipation base of described great power LED.
3. a kind of great power LED cooling module according to claim 1, it is characterized in that: be provided with a Y shape radiating seat at the reverse side of substrate along the length direction of substrate, described radiating fin evenly is spaced apart and arranged in the groove of the both sides of Y shape radiating seat and Y shape radiating seat.
4. a kind of great power LED cooling module according to claim 3 is characterized in that: described radiating fin extends along the length direction of Y shape radiating seat.
5. a kind of great power LED cooling module according to claim 4 is characterized in that: the radiating fin in Y shape radiating seat both sides is parallel to the substrate setting, and the radiating fin in the groove of Y shape radiating seat is perpendicular to the orientation substrate setting.
6. a kind of great power LED cooling module according to claim 5, it is characterized in that: the reverse side of described substrate is provided with rib.
7. a kind of great power LED cooling module according to claim 6 is characterized in that: the centre at the base of described Y shape radiating seat is provided with a through hole.
8. the heat sink section bar that a kind of light fixture according to claim 7 is used is characterized in that: described flat board is provided with wire guide, and described wire guide is communicated with described through hole.
9. according to the described a kind of great power LED cooling module of the arbitrary claim of claim 3-8, it is characterized in that: be provided with open slot along even compartment of terrain on the length direction of described Y shape radiating seat, the degree of depth of described open slot extends to the bottom portion of groove position of Y shape radiating seat.
10. the heat sink section bar that a kind of light fixture according to claim 9 is used is characterized in that: its length direction is provided with depression and the projection that is used to increase area of dissipation in described radiating fin upper edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200044558U CN201652268U (en) | 2010-01-22 | 2010-01-22 | High-power LED radiating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200044558U CN201652268U (en) | 2010-01-22 | 2010-01-22 | High-power LED radiating module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201652268U true CN201652268U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200044558U Expired - Fee Related CN201652268U (en) | 2010-01-22 | 2010-01-22 | High-power LED radiating module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201652268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297409A (en) * | 2011-08-29 | 2011-12-28 | 吴江多艺纺织有限公司 | Heat radiator for LED (Light Emitting Diode) lamp |
| CN106051494A (en) * | 2016-08-18 | 2016-10-26 | 东莞市闻誉实业有限公司 | Radiating illuminating equipment |
-
2010
- 2010-01-22 CN CN2010200044558U patent/CN201652268U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297409A (en) * | 2011-08-29 | 2011-12-28 | 吴江多艺纺织有限公司 | Heat radiator for LED (Light Emitting Diode) lamp |
| CN106051494A (en) * | 2016-08-18 | 2016-10-26 | 东莞市闻誉实业有限公司 | Radiating illuminating equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130122 |