CN204494209U - A kind of fluid assists the LED bay light leading heat radiation - Google Patents
A kind of fluid assists the LED bay light leading heat radiation Download PDFInfo
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- CN204494209U CN204494209U CN201520125282.8U CN201520125282U CN204494209U CN 204494209 U CN204494209 U CN 204494209U CN 201520125282 U CN201520125282 U CN 201520125282U CN 204494209 U CN204494209 U CN 204494209U
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Abstract
The utility model provides a kind of fluid and assists the LED bay light leading heat radiation, comprise constant-current supply, COB integrated optical source module, radiator, lens and lampshade, described COB integrated optical source module comprises substrate, LED chip group and crystalline ceramics fluorophor, LED chip group is packaged in the front of substrate by described crystalline ceramics fluorophor, and this LED chip group is powered by described constant-current supply; Described radiator is microflute type phase-change heat sink, and be connected to substrate back, described lens are located at the front of substrate and cover described COB integrated optical source module, and described lens, substrate, forming annular seal space and the water white heat-conducting fluid of filling between radiator heat-obtaining base plate three, described lampshade is fixed on radiator heat-obtaining base plate outward flange.LED bay light heat radiation of the present utility model is good, and bright dipping quality is high.
Description
Technical field
The utility model relates to a kind of LED bay light.
Background technology
LED bay light than the standby features such as long-life, specular removal and low energy consumption of traditional Mining lamps and lanterns, energy-conservation, consumption reduction Be very effective.The light transformant technology making white light LEDs by blue-light excited chip and coupling excited fluorescence system is the mainstream technology route of current industrialized manufacture white light LEDs.During for high brightness demands such as occasion illuminations, for meeting the luminous flux of light level brightness demand, the high-power and super high power integrated optical source of many employings.
But under current technical conditions, the electric light transformation efficiency of chip is generally no more than 40%, namely nearly 60% electrical power will be converted into heat.Chip is as type of thermosensitive element, once heat is dredged not in time, chip operation junction temperature will be caused to rise, and then affect the Stability and dependability of chip emission spectrum; On the other hand, excited fluorescence body many employings phosphor gel, and mostly phosphor gel is directly to be attached at integrated chip group on the surface, works long hours when lighting and often there is the series of problems such as arogel heat ageing, the decline of Stimulated Light spectrum efficiency and excitation spectrum generation red shift.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of fluid to assist the LED bay light leading heat radiation, and heat radiation is good, and bright dipping quality is high.
The utility model is achieved in that a kind of fluid assists the LED bay light leading heat radiation, comprise constant-current supply, COB integrated optical source module, radiator, lens and lampshade, described COB integrated optical source module comprises substrate, LED chip group and crystalline ceramics fluorophor, LED chip group is packaged in the front of substrate by described crystalline ceramics fluorophor, and this LED chip group is powered by described constant-current supply; Described radiator is microflute type phase-change heat sink, and be connected to substrate back, described lens are located at the front of substrate and cover described COB integrated optical source module, and described lens, substrate, forming annular seal space and the water white heat-conducting fluid of filling between radiator heat-obtaining base plate three, described lampshade is fixed on the outward flange of radiator heat-obtaining base plate.
Further, described substrate be by conductive graphite sheet by mechanical crimp on radiator heat-obtaining base plate.
Further, described annular seal space adopts the sealing of oil resistant, heat-resistance type sealing viscose glue.
Further, the utility model also comprises reflector, and described reflector covers on the periphery of LED chip group.
Further, described lens are crimped on described radiator by trim ring and fluid sealant.
Further, described substrate is metal substrate, ceramic substrate, class brill charcoal substrate or Graphene substrate.
Further, described crystalline ceramics fluorophor is Yttrium aluminium garnet (YAG) type crystalline ceramics flourescent sheet.
The utility model has the advantage of:
1., by adopting the COB integrated optical source module of crystalline ceramics fluorophor encapsulation, improving the heat-resisting quantity of excited fluorescence body, ensure that the light quality of high power light source module bright dipping;
2. lead in heat radiation on lamp pearl (i.e. COB integrated optical source module), heat-conducting fluid is introduced between lens-substrate-radiator heat-obtaining base plate, add the pathway of heat on substrate, heat-conducting fluid is owing to possessing certain specific heat capacity, effectively divide the temperature on substrate, and heat can be passed to radiator heat-obtaining base plate via fluid, what increase heat dredges area;
3. lead in heat radiation at whole lamp, utilize heat-obtaining, heat-sinking capability that microflute type phase-change heat sink is stronger, ensure that the timely and effective loose of high power light source module Heat of Formation removes.
Accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the overall decomposition texture schematic diagram of the utility model LED bay light.
Fig. 2 is the structural representation of substrate in the utility model LED bay light.
Fig. 3 is the structural representation of die bond metacoxal plate in the utility model LED bay light.
Fig. 4 is the structural representation of crystalline ceramics fluorophor in the utility model LED bay light.
Fig. 5 is the structural representation of the COB integrated optical source module in the utility model after the encapsulation of crystalline ceramics fluorophor.
Fig. 6 is the axial sectional structure schematic diagram of radiator in the utility model.
Fig. 7 is lens in the utility model, substrate, radiator heat-obtaining base plate form annular seal space and the axial sectional structure schematic diagram of filling heat-conducting fluid.
Detailed description of the invention
Refer to shown in Fig. 1 to Fig. 7, LED bay light of the present utility model, comprise constant-current supply 1, COB integrated optical source module 2, radiator 3, lens 4, reflector 5 and lampshade 6.
Described COB integrated optical source module 2 comprises substrate 21, LED chip group 22 and crystalline ceramics fluorophor 23, and LED chip group 22 is also packaged in the front of substrate 21 by described crystalline ceramics fluorophor 23; This LED chip group 22 is powered by described constant-current supply 1.Wherein, described crystalline ceramics fluorophor 23 is Yttrium aluminium garnet (YAG) type crystalline ceramics flourescent sheet, described substrate 21 be by conductive graphite sheet by mechanical crimp on radiator heat-obtaining base plate 33; Described substrate can be metal substrate, ceramic substrate, class bore charcoal substrate or Graphene substrate.
As shown in figures 1 to 6, described radiator 3 is connected to substrate 21 back side, this radiator 3 is microflute type phase-change heat sink, namely the outer surface of radiator 3 has been covered with radial radiating fin 31, radiating fin 31 surface design waviness structure 32, the inner surface of radiator heat-obtaining base plate 33 has also been covered with micro-channel 332.
Described lens 4 are located at the front of substrate 21 and cover described COB integrated optical source module 2, and during installation, described lens 4 are crimped on described radiator 3 by trim ring 7 and fluid sealant.And as shown in Figure 7, between described lens 4, substrate 21, radiator heat-obtaining base plate 33 three, form the water white heat-conducting fluid 9 of annular seal space 8 filling; Wherein, the refractive index of described heat-conducting fluid 9 is that 1.40-1.65 is better, and described annular seal space adopts the sealing of oil resistant, heat-resistance type sealing viscose glue, namely after preparing sealed cavity 8, duct 34 filling of heat-conducting fluid 9 by radiator 3 is offered, and utilize oil resistant, heatproof sealant sealing.
Described lampshade 6 is fixed on the outward flange of radiator heat-obtaining base plate 33.
The utility model has the advantage of:
1, by adopting the COB integrated optical source module of crystalline ceramics fluorophor encapsulation, improving the heat-resisting quantity of excited fluorescence body, ensure that the light quality of high power light source module bright dipping;
2, lead in heat radiation on lamp pearl (i.e. COB integrated optical source module), heat-conducting fluid is introduced between lens-substrate-radiator heat-obtaining base plate, add the pathway of heat on substrate, heat-conducting fluid is owing to possessing certain specific heat capacity, effectively divide the temperature on substrate, and heat can be passed to radiator heat-obtaining base plate via fluid, what increase heat dredges area;
3, lead in heat radiation at whole lamp, utilize heat-obtaining, heat-sinking capability that microflute type phase-change heat sink is stronger, ensure that the timely and effective loose of high power light source module Heat of Formation removes.
Although the foregoing describe detailed description of the invention of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (7)
1. a fluid assists the LED bay light leading heat radiation, comprise constant-current supply, COB integrated optical source module, radiator, lens and lampshade, it is characterized in that: described COB integrated optical source module comprises substrate, LED chip group and crystalline ceramics fluorophor, LED chip group is packaged in the front of substrate by described crystalline ceramics fluorophor, and this LED chip group is powered by described constant-current supply; Described radiator is microflute type phase-change heat sink, and be connected to substrate back, described lens are located at the front of substrate and cover described COB integrated optical source module, and described lens, substrate, forming annular seal space and the water white heat-conducting fluid of filling between radiator heat-obtaining base plate three, described lampshade is fixed on the outward flange of radiator heat-obtaining base plate.
2. a kind of fluid as claimed in claim 1 assists the LED bay light leading heat radiation, it is characterized in that: described substrate be by conductive graphite sheet by mechanical crimp on radiator heat-obtaining base plate.
3. a kind of fluid as claimed in claim 1 or 2 assists the LED bay light leading heat radiation, it is characterized in that: described annular seal space adopts the sealing of oil resistant, heat-resistance type sealing viscose glue.
4. a kind of fluid as claimed in claim 1 or 2 assists the LED bay light leading heat radiation, it is characterized in that: also comprise reflector, and described reflector covers on the periphery of LED chip group.
5. a kind of fluid as claimed in claim 1 assists the LED bay light leading heat radiation, it is characterized in that: described lens are crimped on described radiator by trim ring and fluid sealant.
6. a kind of fluid as claimed in claim 1 assists the LED bay light leading heat radiation, it is characterized in that: described substrate is metal substrate, ceramic substrate, class bore charcoal substrate or Graphene substrate.
7. a kind of fluid as claimed in claim 1 assists the LED bay light leading heat radiation, it is characterized in that: described crystalline ceramics fluorophor is Yttrium aluminium garnet (YAG) type crystalline ceramics flourescent sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125282.8U CN204494209U (en) | 2015-03-04 | 2015-03-04 | A kind of fluid assists the LED bay light leading heat radiation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125282.8U CN204494209U (en) | 2015-03-04 | 2015-03-04 | A kind of fluid assists the LED bay light leading heat radiation |
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| Publication Number | Publication Date |
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| CN204494209U true CN204494209U (en) | 2015-07-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221941A (en) * | 2015-10-28 | 2016-01-06 | 福建中科芯源光电科技有限公司 | Tool strengthening multi-layer leads the LED bay light of heat-sinking capability |
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2015
- 2015-03-04 CN CN201520125282.8U patent/CN204494209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221941A (en) * | 2015-10-28 | 2016-01-06 | 福建中科芯源光电科技有限公司 | Tool strengthening multi-layer leads the LED bay light of heat-sinking capability |
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