CN102748633A - LED (light-emitting diode) lighting high-power light source based on special-shaped mold component - Google Patents
LED (light-emitting diode) lighting high-power light source based on special-shaped mold component Download PDFInfo
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- CN102748633A CN102748633A CN2012102388794A CN201210238879A CN102748633A CN 102748633 A CN102748633 A CN 102748633A CN 2012102388794 A CN2012102388794 A CN 2012102388794A CN 201210238879 A CN201210238879 A CN 201210238879A CN 102748633 A CN102748633 A CN 102748633A
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Abstract
The invention discloses an LED (light-emitting diode) lighting high-power light source based on a special-shaped mold component, relating to the technical field of LED lighting, in particular to comprehensive optimization between the light-emitting angle and illumination area, between the optical configuration and light intensity, between the heat sink treatment and service life and the like. The LED lighting high-power light source comprises a columnar or prismatic solid metal mold component, and a heat-conducting substrate is arranged around the columnar surface or the prismatic surface of the mold component; and the substrate comprises a bottom layer with low thermal resistance, an insulated heat-conducting layer and an electrolytic copper foil layer laid in sequence from inside to outside, the electrolytic copper foil layer is provided with a plurality of LED chip fixing points, and LED chips are arranged on the substrate through the LED chip fixing points and are packaged by protective rubber. The LED lighting high-power light source has a simple structure and can be applied conveniently, the overall light-emitting angle is large, optical loss is small, dual heat dissipation can be achieved, the service life is long, and light radiation can be reduced.
Description
Technical field
The present invention relates to the LED lighting technical field, relate in particular to a kind of high-power LED light source based on special-shaped module.
Background technology
No matter high-power LED illumination is integrated optical source or various substrate paster light source at present, all is planar light source.When the LED lighting decoration controlled will reach certain illuminance and illuminating area, must install the optics of lens and so on additional.Yet these optics can produce decelerating effect to light source, light beam, cause certain light loss.Integrated optical source particularly, because each PN junction luminous beam all has certain angle, the spacing between the integrated optical source PN junction is less; The mutual interference of light beam phase causes light loss, adds the astigmat of installing when each integrated optical source is used, and produces light loss again; Can think that the light loss of integrated optical source lamp decoration is bigger.Moreover, because PN junction is intensive, make monoblock integrated optical source heat gather very much, this has brought quite high difficulty for the heat-extraction system of integrated optical source, and like this, integrated optical source is difficult to keep low light decay state work.Also owing to the flatness of integrated optical source, integrated optical source is difficult to and cheap reflective membrane, cover phase configuration, such as: the large power road lamp that has; In order to change illuminating area and to reach radiating condition, the light modulation shell will be opened 4-5 model, in order to reach optical effect; Optics also has out 2-3 model; These have not only improved cost, and have wasted many material resources.
A desirable led light source not only will have enough illuminance, but also will accomplish bright and not dazzling effect in certain illuminating area.Simultaneously, more to consider to produce when LED is luminous heat and efflux reliability of structure and directionality.The LED illumination is commonly called as laser lighting, and the actual light that truly has is dazzling.The manufacturer is in order to overcome dazzling and to reach certain illuminating area; Add astigmat on the lamp decoration that has; The frosted cover that then adds various different patterns that has, these mirrors, cover have consumed the energy of primary source, light beam, and light source has directly been caused corresponding light loss consumption; Thereby influenced lighting effect, reduced the due energy-conservation effect of LED.
Summary of the invention
The technical problem that the present invention will solve is: a kind of LED illumination high power light source based on special-shaped module is provided, has solved technical problems such as the loss of existing LED houselights is big, cost is high, light is dazzling, complex process, heat radiation is difficult, lighting intensity distance is near.
To achieve these goals, the technical scheme that the present invention adopts is: a kind of LED illumination high power light source based on special-shaped module, comprise the real core metal module that is cylinder or polygon prism shape, and be provided with heat-conducting substrate around the face of cylinder or the prismatic surface of module; Said substrate comprises low thermal resistance bedding course, insulating heat-conductive layer and the electrodeposited copper foil layer of laying successively from the inside to the outside; Be distributed with a plurality of led chip fixing points on the electrodeposited copper foil layer; Led chip is arranged on the substrate through the led chip fixing point, and the led chip outside is by the encapsulation of protection glue.
The PN junction mutual spacing of each led chip is 0.3-1cm.
Its axis direction of said module upper edge has and connects the whole through hole of module.
Said through hole is positioned at the bore of the bore of module bottom greater than the module top.
In the said through hole to outside add heat pipe or convection duct.
The top of module is provided with fixing hole, links to each other with lamp holder and radiator through fixing hole.
The beneficial effect that the present invention brings is: (1) is according to the power of PN junction and the size of luminous spacing; Be set in the distance between the PN junction on the special-shaped module: 0.3-1cm; So not only overall heat is relatively disperseed, and has reduced the light that takes place between the adjacent LED chip and disturbed, and the light loss consumption is low.(2) because PN junction is distributed on the metal curved surface module that high thermal conductivity coefficient arranged, forms the light source with big lighting angle, light can be invested a plurality of directions, has increased illuminating area, the uniform lighting effect of generation in illumination range.(3) base is connected with radiator; And have through hole in the special-shaped module, heat pipe is set in the through hole, formed the multi-faceted outer cooling system of a cover like this; For the heat sink processing of high-power LED light source provides good condition, thereby improved the service life of LED.(4) because its curved surface photism, can well utilize cheaply, the reflective membrane of simplicity of design, cover carry out optical arrangement, therefore, in required illuminating area, can reach softer and uniform optical effect.(5) owing to its atypia, therefore the overall volume of having dwindled high power light source, need not big and complicated lamp housing, as long as just can realize more powerful illumination according to the corresponding radiator of LED power configuration, has simplified technology, has reduced cost.(6) directly encapsulate PN junction, reduced thermal resistance, replaced adopting in the planar package light source lens that light is spread; Effectively solved the light loss problem that lens bring; Compare with the led light source with constant power, the light loss consumption can reduce 15-30%, has effectively practiced thrift the energy.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one;
Fig. 2 is the structural representation of the embodiment of the invention two.
Wherein, 1. module, 2. substrate, 3.LED chip, 4. through hole, 5. fixing hole.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description.
Embodiment one
As shown in Figure 1, a kind of LED illumination high power light source based on special-shaped module comprises the real core metal module 1 that is cylinder or polygon prism shape, and module 1 is cylindrical in the present embodiment.The face of cylinder around module 1 is provided with a circle heat-conducting substrate 2; Said substrate 2 comprises low thermal resistance bedding course, insulating heat-conductive layer and the electrodeposited copper foil layer of laying successively from the inside to the outside; Be distributed with a plurality of led chip fixing points on the electrodeposited copper foil layer; Led chip 3 is array-like through the led chip fixing point and is evenly arranged on the substrate 2, and the two poles of the earth of led chip 3 link to each other with the electrodeposited copper foil layer circuit.The outside of led chip 3 is by the encapsulation of protection glue, and protection glue is processed by epoxy resin or silica gel material, and the light that makes LED send can transmit, in addition, and substrate 2 outside clamping one transparent dust covers.
As preferably, the PN junction mutual spacing of each led chip 3 is 0.3-1cm, is preferably 0.5cm.Its axis direction of module 1 upper edge has and connects the whole through hole 4 of module, and this through hole 4 is positioned at the bore of the bore of module 1 bottom greater than module 1 top.The top of module 1 is provided with fixing hole 5, links to each other with lamp holder and radiator through fixing hole 5.Lamp holder and radiator do not draw in the drawings.And, heat pipe or convection duct are set in the through hole 4, the heat on the module 1 is transmitted in the extraneous air through heat pipe or convection duct apace.
Embodiment two
As shown in Figure 2, a kind of LED illumination high power light source based on special-shaped module, different is that module 1 is the triangular prism shape with embodiment one.This led light source can be widely used in bulkhead lamp capable series.
The realization direction of the high-power module light source of LED has two: one in a word, improves substrate manufacture technology, makes special-shaped substrate, and equipment improvement drops into less; The 2nd, improve the operation track of packaging machinery, drop into bigger, but from structure and aspect of performance, can be good a lot.Therefore, an optimal high-power LED light source, preferably direct encapsulation point light source forms on standardized special-shaped module.The production of special-shaped module light source, the improvement that awaits LED packaging machinery or substrate manufacture technology is upgraded, and like this, following high-power LED light source will get into each lamp decoration manufacturing enterprise at the encapsulation factory just as traditional incandescent lamp bulb.
Claims (6)
1. one kind based on the LED of special-shaped module illumination high power light source, it is characterized in that: comprise the real core metal module that is cylinder or polygon prism shape, be provided with heat-conducting substrate around the face of cylinder or the prismatic surface of module; Said substrate comprises low thermal resistance bedding course, insulating heat-conductive layer and the electrodeposited copper foil layer of laying successively from the inside to the outside; Be distributed with a plurality of led chip fixing points on the electrodeposited copper foil layer; Led chip is arranged on the substrate through the led chip fixing point, and the led chip outside is by the encapsulation of protection glue.
2. the LED illumination high power light source based on special-shaped module according to claim 1, it is characterized in that: the PN junction mutual spacing of each led chip is 0.3-1cm.
3. the LED illumination high power light source based on special-shaped module according to claim 1 and 2 is characterized in that: its axis direction of said module upper edge has and connects the whole through hole of module.
4. the LED illumination high power light source based on special-shaped module according to claim 3, it is characterized in that: said through hole is positioned at the bore of the bore of module bottom greater than the module top.
5. the LED illumination high power light source based on special-shaped module according to claim 4 is characterized in that: in the said through hole to outside add heat pipe or convection duct.
6. the LED illumination high power light source based on special-shaped module according to claim 5, it is characterized in that: the top of module is provided with fixing hole, links to each other with lamp holder and radiator through fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102388794A CN102748633A (en) | 2012-07-11 | 2012-07-11 | LED (light-emitting diode) lighting high-power light source based on special-shaped mold component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102388794A CN102748633A (en) | 2012-07-11 | 2012-07-11 | LED (light-emitting diode) lighting high-power light source based on special-shaped mold component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390716A (en) * | 2013-07-25 | 2013-11-13 | 江西量一光电科技有限公司 | Light source adopting LED chip packaging technology |
| CN105987296A (en) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | Full-ambient-light LED lampwick |
| WO2019136790A1 (en) * | 2018-01-11 | 2019-07-18 | 佛山宝盈利五金制品有限公司 | Side-emitting anti-dazzle mining lamp |
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| CN105987296A (en) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | Full-ambient-light LED lampwick |
| WO2019136790A1 (en) * | 2018-01-11 | 2019-07-18 | 佛山宝盈利五金制品有限公司 | Side-emitting anti-dazzle mining lamp |
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Application publication date: 20121024 |