CN101413637A - LED road lamp light source with light distribution - Google Patents
LED road lamp light source with light distribution Download PDFInfo
- Publication number
- CN101413637A CN101413637A CNA2008100439954A CN200810043995A CN101413637A CN 101413637 A CN101413637 A CN 101413637A CN A2008100439954 A CNA2008100439954 A CN A2008100439954A CN 200810043995 A CN200810043995 A CN 200810043995A CN 101413637 A CN101413637 A CN 101413637A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A light source of an LED street lamp having light distribution comprises a metal heat conducting base, an LED crystal grain array, a bonding golden wire, a positive and a negative power supply flow deflectors, a fixed support, a silica gel lens, etc. The metal heat conducting base is provided with a drop pit used for being installed with LED crystal grains which are fixed inside the drop pit of the metal heat conducting base; after each group of crystal grains are connected in series, the positive pole and the negative pole of the crystal grain are respectively welded with wire connecting terminals on a positive wire solder plate and a negative wire solder plate, and a wafer array is encapsulated by silica gel. The light source is characterized in that the light source of the LED street lamp is provided with a plane metal heat conducting surface and two symmetrical luminous surfaces which have a certain included angle, and the two luminous surfaces are respectively provided with a silica gel lens having light distribution in a symmetrical way. The silica gel lens is fixedly arranged on the LED crystal grain array which is coated with fluorescent powder in the fixed support on the two luminous surfaces by adopting the method of mould pressing and encapsulation. Two light emitting surfaces can flexibly control the illumination scope and effect according to the luminous intensity requirements; the structure (being similar to a lens) for encapsulating the silica gel of the invention can change the emergence angle of light ray, thus obtaining ideal luminous spot effect; compared with the secondary light distribution of an optical lens, the light source can reduce the loss of light and ensures the light emitting efficiency of the LED light source to be higher. The generation and application of the technical products can lead the LED street lamp to achieve or exceed the illuminating effect of the traditional street lamp, thus realizing the green lighting in the true sense.
Description
Technical field
The present invention relates to a kind of illumination light source, say it is a kind of LED light source for road lamp definitely with light distributing function.
Background technology
Along with increasingly sharpening of global energy and environmental problem, the energy-conserving and environment-protective product more and more is subject to people's attention, and the effects of energy conservation and environmental protection of semiconductor diode (LED) on lighting field more and more widely approved.Therefore, the technical staff has invented plurality of LED light sources, common have single LEDs light source and many integrated LED light sources, but these light sources all have some defectives such as luminous flux is little, directed luminous usually, be difficult to meet the requirement of high luminous intensity distribution of LED light source for road lamp and high light flux, be difficult to popularization and application, seriously restricted the use prospect of this energy-conserving product.
Summary of the invention
In order to overcome above-mentioned LED street lamp defective, the invention provides the big light extraction efficiency height of a kind of luminous flux and adjust the led light source that rising angle carries out luminous intensity distribution, for applying of LED street lamp provides powerful guarantee according to character of road.
The present invention for solve that its technical problem adopts technical scheme be:
A kind of LED road-light light-source with luminous intensity distribution is made of metal heat conducting base (1), LED crystal grain array (2), connection gold thread (3), positive-negative power flow deflector (4,5), fixed support (6) and silica-gel lens (7).This LED road-light light-source has a planar metal thermal conductive surface and two symmetrical light-emitting areas that form an angle, and is symmetrically arranged with the luminous intensity distribution silica-gel lens respectively on two light-emitting areas.Described metal heat-conducting pedestal is set to
The shape structure,
The bowl-shape LED crystal grain that is symmetrically arranged with into array distribution on two sides of shape structure is respectively installed pit, LED crystal grain is fixed in the bowl-shape installation pit by heat-conducting glue, every group of intercrystalline forms the series connection group by the gold thread series connection, a plurality of series connection groups are connected in the positive-negative power flow deflector and form the LED crystal grain array, fixed by fixed support around the array, fixed support is
Shape and metal heat conducting base coupling, fixed support is fixed on the metal heat conducting base by screw or embedded structure, the positive-negative power flow deflector is installed in the support bracket fastened interlayer, the both positive and negative polarity of the LED crystal grain string that connects is connected respectively on the positive-negative power flow deflector, is fixed on the crystal grain in the bowl-shape installing hole by heat-conducting glue and scribbles fluorescent material (8).Silica-gel lens adopts the method for mold pressing embedding to be fixedly installed on the LED crystal grain array.
Described metal heat conducting base is made by the high metal material of thermal conductivities such as copper or aluminium, and its structure is set to
Shape, the bottom surface is set to level and smooth relatively planar structure, on two sides of symmetry, be provided with many group bowl pockets, being coated with reflector layer on the inner surface of bowl pockets (is convenient to the light that LED sends is reflected, improve light extraction efficiency), installing hole, the through wires hole corresponding with fixed support and the attaching parts that are connected the screw hole or the alternate manner of usefulness with fixed support that are connected usefulness with lamp radiator also are set on the metal heat conducting base simultaneously.
Described fixed support is
Shape structure (with the metal heat conducting base coupling) also is provided with fixed support and following fixed support, following fixed support is provided with the jockey with metal heat conducting base, fixed support is chimeric continuous or gluing up and down, the positive-negative power flow deflector is fixed between two-layer fixed support, should be provided with the through wires hole corresponding with metal heat conducting base on the fixed support.Fixed support is formed by the resistant to elevated temperatures plastic production of insulation.
Described positive-negative power flow deflector is made by the copper electroplate of high conduction, and has in the via hole of fixed support correspondence.
Described LED crystal grain array is provided with two groups, in the symmetrical respectively bowl pockets that is fixedly arranged on two sides of metal heat conducting base, connect with the gold thread welding between every group of the LED crystal grain array, the two ends gold thread of each group series connection crystal grain group is welded to the positive-negative power flow deflector respectively, has so just formed connection in series-parallel LED crystal grain array.
Described silica-gel lens is made as two of symmetry, place respectively on two groups of LED crystal grain array, two faces of silica-gel lens are respectively the plane of incidence and exit facet, silica-gel lens adopts the method for mold pressing embedding that silica gel and metal heat conducting base, LED die array and fixed support inside are tamped, and the typing of oven dry back forms (exiting surface can be set to different profiles according to different light distribution requirements).
Described LED wafer is a semiconductor light-emitting diode chip, comprises a positive electrode and a negative electrode on it.
The invention has the beneficial effects as follows:
Be mutually the requirement of two easier realization road lightings of light-emitting area of certain angle, it is the suitable length-width ratio of hot spot, making that limited light is as much as possible shines on the road surface that needs irradiation, avoid the loss and the pollution of light, the structure (being similar to lens) of unique encapsulation silica gel can change the beam projecting angle, thereby obtains desirable hot spot effect, and the secondary light-distribution of the optical lens of comparing can reduce the loss of light, make that the light extraction efficiency of LED is higher, uniformity of illuminance is better.
Description of drawings:
Fig. 1 is a schematic diagram of the present invention;
Fig. 2 is a structure chart of the present invention;
Fig. 3 is a vertical view of the present invention;
Fig. 4 is the A-A profile of Fig. 3;
Fig. 5 is the B-B profile of Fig. 3;
Fig. 6 is the metal heat conducting base structural representation;
Fig. 7 is a positive-negative power flow deflector structure schematic diagram;
Fig. 8 is the fixed frame vertical view;
Fig. 9 is the stationary frame structure schematic diagram;
Figure 10 is LED wafer catenation principle figure;
Figure 11 is a LED wafer connection diagram;
The specific embodiment
Embodiment: a kind of LED road-light light-source with luminous intensity distribution is made of metal heat conducting base (1), LED crystal grain array (2), connection gold thread (3), positive-negative power flow deflector (4,5), fixed support (6) and silica-gel lens (7).This LED road-light light-source has a planar metal thermal conductive surface and two symmetrical light-emitting areas that form an angle, and is symmetrically arranged with the luminous intensity distribution silica-gel lens respectively on two light-emitting areas.Described metal heat-conducting pedestal is set to
The shape structure,
The bowl-shape LED crystal grain that is symmetrically arranged with into array distribution on two sides of shape structure is respectively installed pit, LED crystal grain is fixed in the bowl-shape installation pit by heat-conducting glue, every group of intercrystalline forms the series connection group by the gold thread series connection, a plurality of series connection groups are connected in the positive-negative power flow deflector and form the LED crystal grain array, fixed by fixed support around the array, fixed support is
Shape and metal heat conducting base coupling, fixed support is fixed on the metal heat conducting base by screw or embedded structure, the positive-negative power flow deflector is installed in the support bracket fastened interlayer, the both positive and negative polarity of the LED crystal grain string that connects is connected respectively on the positive-negative power flow deflector, is fixed on the crystal grain in the bowl-shape installing hole by heat-conducting glue and scribbles fluorescent material (8).Silica-gel lens adopts the method for mold pressing embedding to be fixedly installed on the LED crystal grain array.
As Fig. 6: metal heat conducting base is made by the high metal material of thermal conductivities such as copper or aluminium, and its structure is set to
Shape, the bottom surface is set to level and smooth relatively planar structure, on two sides of symmetry, be provided with many group bowl pockets (11), being coated with reflector layer on the inner surface of bowl pockets (is convenient to the light that LED sends is reflected, improve light extraction efficiency), the installing hole (12) that is connected usefulness with lamp radiator also is set simultaneously, the through wires hole corresponding (13) and be connected the screw hole (14) of usefulness or the attaching parts of alternate manner with fixed support on the metal heat conducting base with fixed support.
As Fig. 7: described positive-negative power flow deflector is made by the copper electroplate of high conduction, and has in the via hole of fixed support correspondence.
As Fig. 8,9: fixed support is
Shape structure (with the metal heat conducting base coupling) also is provided with fixed support (61) and following fixed support (62), following fixed support is provided with the jockey with metal heat conducting base, fixed support is chimeric continuous or gluing up and down, positive-negative power flow deflector (4,5) is fixed between two-layer fixed support, should be provided with the through wires hole corresponding with metal heat conducting base on the fixed support.Fixed support is formed by the resistant to elevated temperatures plastic production of insulation.
As Figure 11: the LED crystal grain array is provided with two groups, in the symmetrical respectively bowl pockets that is fixedly arranged on two sides of metal heat conducting base, connect with gold thread (3) welding between every group of the LED crystal grain array, the two ends gold thread of each group series connection crystal grain group is welded to the positive-negative power flow deflector respectively, has so just formed connection in series-parallel LED crystal grain array.
Described silica-gel lens is made as two of symmetry, place respectively on two groups of LED crystal grain array, two faces of silica-gel lens are respectively the plane of incidence and exit facet, silica-gel lens adopts the method for mold pressing embedding that silica gel and metal heat conducting base, LED die array and fixed support inside are tamped, and the typing of oven dry back forms (exiting surface can be set to different profiles according to different light distribution requirements).
Described LED wafer is a semiconductor light-emitting diode chip, comprises a positive electrode and a negative electrode on it.
Claims (7)
1. the LED road-light light-source with luminous intensity distribution is made of metal heat conducting base (1), LED crystal grain array (2), connection gold thread (3), positive-negative power flow deflector (4,5), fixed support (6) and silica-gel lens (7).It is characterized in that this LED road-light light-source has a planar metal thermal conductive surface and two symmetrical light-emitting areas that form an angle, and is symmetrically arranged with the luminous intensity distribution silica-gel lens respectively on two light-emitting areas.Described metal heat-conducting pedestal is set to
The shape structure,
The bowl-shape LED crystal grain that is symmetrically arranged with into array distribution on two sides of shape structure is respectively installed pit, LED crystal grain is fixed in the bowl-shape installation pit by heat-conducting glue, every group of intercrystalline forms the series connection group by the gold thread series connection, a plurality of series connection groups are connected in the positive-negative power flow deflector and form the LED crystal grain array, fixed by fixed support around the array, fixed support is
Shape and metal heat conducting base coupling, fixed support is fixed on the metal heat conducting base by screw or embedded structure, the positive-negative power flow deflector is installed in the support bracket fastened interlayer, the both positive and negative polarity of the LED crystal grain string that connects is connected respectively on the positive-negative power flow deflector, is fixed on the crystal grain in the bowl-shape installing hole by heat-conducting glue and scribbles fluorescent material (8).Silica-gel lens adopts the method for mold pressing embedding to be fixedly installed on the LED crystal grain array, and periphery forms sealing with the fixed support inside casing.
2. a kind of LED road-light light-source according to claim 1 with luminous intensity distribution, it is characterized in that: described metal heat conducting base is made by the high metal material of thermal conductivities such as copper or aluminium, and its structure is set to
Shape, the bottom surface is set to level and smooth relatively planar structure, on two sides of symmetry, be provided with many group bowl pockets, being coated with reflector layer on the inner surface of bowl pockets (is convenient to the light that LED sends is reflected, improve light extraction efficiency), installing hole, the through wires hole corresponding with fixed support and the attaching parts that are connected the screw hole or the alternate manner of usefulness with fixed support that are connected usefulness with lamp radiator also are set on the metal heat conducting base simultaneously.
3. a kind of LED road-light light-source with luminous intensity distribution according to claim 1, it is characterized in that: described fixed support is
Shape structure and metal heat conducting base coupling also are provided with fixed support and following fixed support, following fixed support is provided with the jockey with metal heat conducting base, fixed support is chimeric continuous or gluing up and down, the positive-negative power flow deflector is fixed between two-layer fixed support, should be provided with the through wires hole corresponding with metal heat conducting base on the fixed support.Fixed support is formed by the resistant to elevated temperatures plastic production of insulation.
4. a kind of LED road-light light-source with luminous intensity distribution according to claim 1 is characterized in that: described positive-negative power flow deflector is made by the copper electroplate of high conduction, and has in the via hole of fixed support correspondence.
5. a kind of LED road-light light-source according to claim 1 with luminous intensity distribution, it is characterized in that: described LED crystal grain array is provided with two groups, in the symmetrical respectively bowl pockets that is fixedly arranged on two sides of metal heat conducting base, connect with the gold thread welding between every group of the LED crystal grain array, the two ends gold thread of each group series connection crystal grain group is welded to the positive-negative power flow deflector respectively, has so just formed connection in series-parallel LED crystal grain array.
6. a kind of LED road-light light-source according to claim 1 with luminous intensity distribution, it is characterized in that: described silica-gel lens is made as two of symmetry, place respectively on two groups of LED crystal grain array, two faces of silica-gel lens are respectively the plane of incidence and exit facet, silica-gel lens adopts the method for mold pressing embedding that silica gel and metal heat conducting base, LED die array and fixed support inside are tamped, and the typing of oven dry back forms (exiting surface can be set to different profiles according to different light distribution requirements).
7. a kind of LED road-light light-source with luminous intensity distribution according to claim 1, it is characterized in that: described LED wafer is a semiconductor light-emitting diode chip, comprises a positive electrode and a negative electrode on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100439954A CN101413637A (en) | 2008-11-25 | 2008-11-25 | LED road lamp light source with light distribution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100439954A CN101413637A (en) | 2008-11-25 | 2008-11-25 | LED road lamp light source with light distribution |
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| CN101413637A true CN101413637A (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100439954A Pending CN101413637A (en) | 2008-11-25 | 2008-11-25 | LED road lamp light source with light distribution |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064241A (en) * | 2010-10-13 | 2011-05-18 | 上海衡世光电科技有限公司 | Lens-free LED lamp and encapsulation method thereof |
| CN102109127A (en) * | 2009-12-23 | 2011-06-29 | 康佳集团股份有限公司 | LED (Light Emitting Diode) street lamp |
| CN102128389A (en) * | 2011-01-13 | 2011-07-20 | 深圳市佳比泰电子科技有限公司 | LED (Light-Emitting Diode) streetlamp capable of adjusting light-emitting angle in two directions and manufacturing process thereof |
| CN102620180A (en) * | 2011-01-26 | 2012-08-01 | 杨然森 | LED (Light-Emitting diode) multi-chip module and manufacturing method thereof |
| CN102748634A (en) * | 2012-07-11 | 2012-10-24 | 河南鑫特光电科技有限公司 | LED (Light-Emitting Diode) light source based on special module |
| CN102818144A (en) * | 2010-05-10 | 2012-12-12 | 郑榕彬 | A high-power LED lighting lamp |
| CN102980077A (en) * | 2012-12-28 | 2013-03-20 | 东莞市中实创半导体照明有限公司 | A tubular structure LED integrated light source |
| CN104566031A (en) * | 2014-12-25 | 2015-04-29 | 上海振晨电气有限公司 | Lamp and mounting method thereof |
| CN106016178A (en) * | 2016-07-20 | 2016-10-12 | 广州固佳灯具科技有限公司 | Transformation of road illuminating method |
| CN113301685A (en) * | 2021-06-11 | 2021-08-24 | 江苏亿奇仁照明科技有限公司 | Energy-saving system and method for improving lighting effect and prolonging service life of LED lamp |
-
2008
- 2008-11-25 CN CNA2008100439954A patent/CN101413637A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109127A (en) * | 2009-12-23 | 2011-06-29 | 康佳集团股份有限公司 | LED (Light Emitting Diode) street lamp |
| CN102818144B (en) * | 2010-05-10 | 2016-07-06 | 郑榕彬 | A high-power LED lighting lamp |
| CN102818144A (en) * | 2010-05-10 | 2012-12-12 | 郑榕彬 | A high-power LED lighting lamp |
| CN102064241A (en) * | 2010-10-13 | 2011-05-18 | 上海衡世光电科技有限公司 | Lens-free LED lamp and encapsulation method thereof |
| CN102128389A (en) * | 2011-01-13 | 2011-07-20 | 深圳市佳比泰电子科技有限公司 | LED (Light-Emitting Diode) streetlamp capable of adjusting light-emitting angle in two directions and manufacturing process thereof |
| CN102128389B (en) * | 2011-01-13 | 2013-10-16 | 深圳市佳比泰电子科技有限公司 | LED (Light-Emitting Diode) streetlamp capable of adjusting light-emitting angle in two directions |
| CN102620180A (en) * | 2011-01-26 | 2012-08-01 | 杨然森 | LED (Light-Emitting diode) multi-chip module and manufacturing method thereof |
| CN102620180B (en) * | 2011-01-26 | 2014-08-20 | 杨然森 | LED (Light-Emitting diode) multi-chip module and manufacturing method thereof |
| CN102748634A (en) * | 2012-07-11 | 2012-10-24 | 河南鑫特光电科技有限公司 | LED (Light-Emitting Diode) light source based on special module |
| CN102980077A (en) * | 2012-12-28 | 2013-03-20 | 东莞市中实创半导体照明有限公司 | A tubular structure LED integrated light source |
| CN104566031A (en) * | 2014-12-25 | 2015-04-29 | 上海振晨电气有限公司 | Lamp and mounting method thereof |
| CN106016178A (en) * | 2016-07-20 | 2016-10-12 | 广州固佳灯具科技有限公司 | Transformation of road illuminating method |
| CN113301685A (en) * | 2021-06-11 | 2021-08-24 | 江苏亿奇仁照明科技有限公司 | Energy-saving system and method for improving lighting effect and prolonging service life of LED lamp |
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Open date: 20090422 |