CN102269357A - High-power white light emitting diode (LED) illumination lamp - Google Patents
High-power white light emitting diode (LED) illumination lamp Download PDFInfo
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- CN102269357A CN102269357A CN2011101540520A CN201110154052A CN102269357A CN 102269357 A CN102269357 A CN 102269357A CN 2011101540520 A CN2011101540520 A CN 2011101540520A CN 201110154052 A CN201110154052 A CN 201110154052A CN 102269357 A CN102269357 A CN 102269357A
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- guiding surface
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Abstract
The invention relates to a high-power white light emitting diode (LED) illumination lamp, which comprises a lamp body with heat-radiating fins; a light source chamber for installing LED modules and an electric appliance chamber for installing an alternating current/direct current (AC/DC) constant current driving device are formed in the lamp body; a light transmission cover is fixedly arranged at the top of the light source chamber; the bottom of the light source chamber is provided with a light guide part raised in the direction of the light source chamber; the light guide part consists of 3 to 5 light guide surfaces with different orientations; the included angle between the two adjacent light guide surfaces is an obtuse angle; the LED modules are arranged on the light guide surfaces; the AC/DC constant current driving device is arranged in the electric appliance chamber; and the LED modules are electrically connected with the AC/DC constant current driving device. The lamp has the advantages of good illumination, energy-saving and heat dissipation effects, and can effectively prevent electromagnetic interference.
Description
Technical field
The present invention relates to a kind of lighting apparatus, particularly a kind of large power white light LED lighting.
Background technology
The light source of LED illuminating lamp is compared with traditional incandescent lamp, fluorescent lamp and rare gas discharge lamp, owing to have that light efficiency is higher, long service life, the power supply of employing safe voltage, do not contain poisonous heavy metal and colour rendering index advantages of higher, and belong to new type light source, development potentiality is huge, is the desirable substitute of following conventional light source.Though numerous enterprises Development and Production LED illuminating lamp is arranged both at home and abroad at present, wherein most LED illuminating lamps all are to make illuminator with the low-power LED array,, need a large amount of low-power LEDs, and the low-power LED light decay is strong, the installation cost height though solved heat dissipation problem.Although also there is minority LED illuminating lamp to make illuminator with large power white light LED, its shortcoming is: 1. the radiating effect of LED was bad when its power reached a certain amount of, and astigmatism and optically focused are difficult to control; 2. its illumination range and kenel at the ground shadow surface can't guarantee equilibrium; 3. photoelectric transformation efficiency is too low, and every watt is had only several lumens.Because above-mentioned shortcoming causes the performance of this large power white light LED illuminating lamp can't satisfy the needs in market, and high performance product price is expensive, is difficult to popularize.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of large power white light LED lighting is provided, it has good illumination, energy-conservation, radiating effect, and can effectively prevent electromagnetic interference.
Technical scheme of the present invention is: a kind of large power white light LED lighting, comprise flange-cooled lamp body, be provided with the electric apparatus room that is used to that the light source chamber of led module is installed and is used to install the AC/DC constant current driving device in the described lamp body, the top of described light source chamber is installed with diffuser, the bottom of described light source chamber is provided with the light guide section to light source chamber direction projection, described light guide section by 3～5 differences towards light guiding surface form, angle between adjacent two light guiding surfaces is the obtuse angle, and led module is installed on the light guiding surface; The AC/DC constant current driving device is installed in the described electric apparatus room, and led module is electrically connected with the AC/DC constant current driving device.
Described light source chamber inwall is provided with groove, is provided with the installation double-screw bolt around the groove, and diffuser is installed in the light source chamber top by bolting.
The material that described diffuser adopts is a safety glass.
The quantity of described led module is 3～5, is filled with heat-conducting medium between each led module and the light guiding surface.
There is cover plate at the top of described electric panel room with bolting.
One end of described lamp body is provided with the installing hole that is used to install lamp stand.
Angle between described adjacent two light guiding surfaces is 120～170 °.
Described light guide section by 3 differences towards light guiding surface when forming, light guiding surface is a horizontal plane in the middle of it, extend upward one section after the light guiding surface at horizontal plane two ends is turned back respectively, form first, second light guiding surface, first, second light guiding surface and horizontal plane light guiding surface are 120～170 ° of angles respectively; Light guide section by 5 differences towards light guiding surface when forming, light guiding surface is a horizontal plane in the middle of it, after turning back respectively, the light guiding surface at horizontal plane two ends extends upward one section, form first, second light guiding surface, first, second light guiding surface is upwards turned back and is extended one section, form the 3rd, the 4th light guiding surface, between the 3rd light guiding surface and first light guiding surface in obtuse angle, in obtuse angle, the angle between first, second light guiding surface and the horizontal plane light guiding surface is greater than the angle of first, second light guiding surface and the 3rd, the formation of the 4th light guiding surface between the 4th light guiding surface and second light guiding surface.
Adopt technique scheme: described flange-cooled lamp body is provided with the electric apparatus room that is used to that the light source chamber of led module is installed and is used to install the AC/DC constant current driving device by the disposable die cast of AA1070 type aluminium alloy in the lamp body.The bottom of light source chamber is provided with the light guide section to light source chamber direction projection, this light guide section by 3～5 differences towards light guiding surface form, angle between adjacent two light guiding surfaces is 120～170 °, when light guide section by 3 differences towards light guiding surface when forming, light guiding surface is a horizontal plane in the middle of it, extend upward one section after the light guiding surface at horizontal plane two ends is turned back respectively, form first, second light guiding surface, first, second light guiding surface and horizontal plane light guiding surface are 120～170 ° of angles respectively; When light guide section by 5 differences towards light guiding surface when forming, light guiding surface is a horizontal plane in the middle of it, after turning back respectively, the light guiding surface at horizontal plane two ends extends upward one section, form first, second light guiding surface, first, second light guiding surface is upwards turned back and is extended one section, form the 3rd, the 4th light guiding surface, between the 3rd light guiding surface and first light guiding surface in obtuse angle, in obtuse angle, the angle between first, second light guiding surface and the horizontal plane light guiding surface is greater than the angle of first, second light guiding surface and the 3rd, the formation of the 4th light guiding surface between the 4th light guiding surface and second light guiding surface.3～5 led module correspondences are installed on the light guiding surface of light guide section, realized many curved surfaces luminous intensity distribution, utilize the guidance quality of led light source self can effectively control the distribution of light, the light that the LED module is sent becomes a strip light belt and sprawls along the road surface direction.The top of light source chamber is installed with the safety glass diffuser, the safety glass diffuser adopts the TracePro computer simulation that luminous intensity distribution is set, not only make it receive light at last to the light that the LED module is sent, thereby the uniformity and the periphery of accurately controlling light are dispersed, reaching optimum efficiency, and can also play protective action.The AC/DC constant current driving device is installed in the electric apparatus room, and led module is electrically connected with the AC/DC constant current driving device, but just operate as normal after the present invention is switched on.
In addition, power supply of the present invention, circuit etc. all adopt the 1-2577 organosilicon to criticize to cover coating to soak to cover to be handled, has antiacid caustic corrosion function, light fixture can be normally luminous in the low concentration acid-base solution after tested, reduced simple dependence, guaranteed that light fixture can use in polyacid rain environment the closed shell waterproof.Simultaneously, under the situation of standard and environment permission, the present invention also can be designed to the inside and outside gas of lamp body and exchange, and further strengthens radiating effect.
The invention has the beneficial effects as follows:
1) adopts the AC/DC constant current to drive, effectively prevent electromagnetic interference, avoid LED stroboscopic and driving power to cause the LED light decay and influence the life-span;
2) adopt many fins of aluminium alloy compression casting lamp housing that thermal conductivity coefficient is good, the extension performance is good, filling low thermal resistance medium between lamp housing and led module, autonomous heat radiation is controlled at LED module junction temperature below 60 degree Celsius, need not to dispose radiator;
3) utilize the light conductivity of LED self, illumination range and illumination point intensity are controlled in the luminous intensity distribution design of adopting many curved surfaces luminous intensity distribution and lens luminous intensity distribution to combine as required under standard compliant prerequisite, realize that illumination is controlled, further energy efficient;
4) lamp power, circuit adopt the 1-2577 organosilicon to criticize to cover coating to soak to cover to handle, and light fixture is tested in the low concentration acid-base solution can be normally luminous, reaches antiacid caustic corrosion function, guarantee that light fixture can use in polyacid rain environment and do not influence performance.
Description of drawings
Fig. 1 is an exploded perspective view of the present invention;
Fig. 2 is a lamp distribution effect schematic diagram of the present invention;
Fig. 3 is a lamp holder light distribution structure schematic diagram of the present invention;
Fig. 4 is a kind of structure diagram of light guiding surface of the present invention;
Fig. 5 is the another kind of structure diagram of light guiding surface of the present invention.
In the accompanying drawing, 1 is lamp body, and 1a is an installing hole, and 2 is fin, 3 is light source chamber, and 3a is a groove, and 3b is for installing double-screw bolt, and 4 is electric apparatus room, 4a is for installing double-screw bolt, and 5 is led module, and 6 is the AC/DC constant current driving device, and 7 is diffuser, 7a is a fixing hole, and 8 is cover plate, and 8a is a fixing hole, and 9 is bolt, 10 is lamp stand, and 11 is light guiding surface, and 11a is the horizontal plane light guiding surface, and 11b is first light guiding surface, 11c is second light guiding surface, and 11d is the 3rd light guiding surface, and 11e is the 4th light guiding surface.
The specific embodiment
Referring to Fig. 1 to Fig. 5, a kind of large power white light LED lighting, comprise the lamp body 1 of being with fin 2, the radiator of light fixture all is to select metal material as heat sink material usually, it mainly has the following advantages: 1. good heat conductivity, relative other solid material, metal has better capacity of heat transmission; 2. be easy to processing, ductility is good, and high temperature is relatively stable, can adopt various processing technologys; 3. easily obtain, though metal also belongs to non-renewable resources, the supply of goods is big, does not need special procedure, and price is also cheap relatively.Determined that thus fin of the present invention selects for use metal material to make, and the concrete kind of metal material needs determine by the coefficient of heat conduction.Table 1 is the coefficient of heat conduction of fin conventional material and common metal material.
Table 1
| Metal material | The coefficient of heat conduction |
| Gold | 317 W/mK |
| Silver | 429 W/mK |
| Copper | 401 W/mK |
| Aluminium | 237 W/mK |
| Iron | 48 W/mK |
| AA6061 type aluminium alloy | 155 W/mK |
| AA6063 type aluminium alloy | 201 W/mK |
| ADC12 type aluminium alloy | 96 W/mK |
| AA1070 type aluminium alloy | 226 W/mK |
| AA1050 type aluminium alloy | 209 W/mK |
The unit of the coefficient of heat conduction is W/mK in the table 1, and promptly sectional area is 1 square metre the cylinder hot conducted power the when temperature difference of 1 meter distance is 1 Kelvin (1K=1 ℃) vertically.
Though the coefficient of heat conduction is high more good more, also need to take into account the mechanical performance and the price of material simultaneously.Can draw from table 1: 1. the gold, silver coefficient of heat conduction is very high, but because the quality softness, density is excessive and price is too expensive and can't extensively adopt; 2. the coefficient of heat conduction of iron is low excessively, can't satisfy the performance need of high heat density occasion, is not suitable for making the high-performance fin; 3. although the coefficient of heat conduction of copper is also very high, can, in fin, seldom use for fear of unfavorable conditions such as hardness deficiency, density are big, cost is higher, difficulty of processing is big; 4. aluminium is as the highest metal of content in the earth's crust; higher because of the coefficient of heat conduction, density is little, price is low is favored; but because fine aluminium hardness is less; in various applications, can make aluminium alloy by the various formula materials of admixture usually; obtain the not available characteristic of many fine aluminiums for this reason, and become the ideal selection of fin rapidoprint.
Various aluminum alloy materials by adjusting the composition and the ratio of formula materials, can obtain various characteristic according to different needs, are suitable for different shapings, processing mode, are applied to different fields.In 5 kinds of different aluminum alloys listing in the table 1: AA6061 type aluminium alloy and AA6063 type aluminium alloy have capacity of heat transmission and processability preferably, are suitable for extrusion forming process, are widely adopted in fin processing; ADC12 type aluminium alloy is suitable for casting forming, but its coefficient of heat conduction is lower, adopt AA1070 type aluminium alloy to replace in fin processing usually, and the processing equipment aspect of performance of AA1070 type aluminium alloy is not as good as ADC12 type aluminium alloy; AA1050 type aluminium alloy has ductility preferably, is suitable for Sheet Metal Forming Technology, is used for making thin thin fin more.
In sum, the present invention adopts the disposable die cast of AA1070 type aluminum alloy materials to realize the making of lamp body 1.One end of lamp body 1 is provided with the installing hole 1a that is used to install lamp stand 10, the present invention can be installed on the lamp stand 10 use.The fin 2 of lamp body 1 circumferential distribution is a radiating fin in the present embodiment, when lamp body 1 is installed in when using on the lamp stand 10, radiating fin is parallel with the road surface, make the hot gas that need distribute consistent with airflow direction, can be because of hot gas does not form the delay that eddy current causes hot gas, thus hot gas can be taken away smoothly by airflow flowing, and with prestissimo heat is distributed, the situation that assurance need not to dispose radiator is issued to radiating effect, has solved the contradiction of light fixture protection and heat radiation.Be provided with the electric apparatus room 4 that is used to that the light source chamber 3 of led module 5 is installed and is used to install AC/DC constant current driving device 6 in the lamp body 1, light source chamber 3 inwalls are provided with groove 3a, be provided with around the groove 3a double-screw bolt 3b is installed, diffuser 7 is provided with the fixing hole 7a corresponding with double-screw bolt 3b is installed, and diffuser 7 is fixedly mounted on the light source chamber top by bolt 9.Diffuser 7 adopts the safety glass material to be made, by the TracePro computer simulation luminous intensity distribution is set, not only make it receive light at last to the light that the LED module is sent, thereby the uniformity and the periphery of accurately controlling light are dispersed, to reach optimum efficiency, and diffuser 7 adopts silicon rubber bar to seal with the light source chamber top, and water proof and dust proof is effective, has reached the degree of protection of IP65.The bottom of described light source chamber 3 is the heat absorption end, which is provided with light guide section to light source chamber direction projection, this light guide section by 3～5 differences towards light guiding surface 11 form, angle between adjacent two light guiding surfaces is the obtuse angle, angle between adjacent in the present embodiment two light guiding surfaces is 120～170 °, when light guide section by 3 differences towards light guiding surface when forming, light guiding surface is horizontal plane 11a in the middle of it, after turning back respectively, the light guiding surface at horizontal plane two ends extends upward one section, form the first light guiding surface 11b, the second light guiding surface 11c, the first light guiding surface 11b, the second light guiding surface 11c and horizontal plane light guiding surface 11a are 120～170 ° of angles respectively; When light guide section by 5 differences towards light guiding surface when forming, light guiding surface is horizontal plane 11a in the middle of it, after turning back respectively, the light guiding surface at horizontal plane two ends extends upward one section, form the first light guiding surface 11b, the second light guiding surface 11c, the first light guiding surface 11b, the second light guiding surface 11c upwards turns back and extends one section, form the 3rd light guiding surface 11d, the 4th light guiding surface 11e, between the 3rd light guiding surface 11d and the first light guiding surface 11b in obtuse angle, between the 4th light guiding surface 11e and the second light guiding surface 11c in obtuse angle, the first light guiding surface 11b, angle between the second light guiding surface 11c and the horizontal plane light guiding surface 11a is greater than the first light guiding surface 11b, the second light guiding surface 11c and the 3rd light guiding surface 11d, the angle that the 4th light guiding surface 11e forms, the led module 5 of 3～5 different capacities (model of led module 5 is P100WW6410001004A) is corresponding respectively to be installed on the light guiding surface 11 of light guide section, installation form can be that the led module power on the middle light guiding surface of the power ratio of the led module on the light guiding surface of both sides is big, take into account different irradiation distances respectively, realized many curved surfaces luminous intensity distribution, utilize the guidance quality of led light source self can effectively control the distribution of light, the light that the LED module is sent becomes a strip light belt and sprawls along the road surface direction.Be filled with heat-conducting medium between led module 5 and the light guiding surface 11,, further strengthened radiating effect of the present invention as heat-conducting cream etc.AC/DC constant current driving device 6 is installed in the electric apparatus room 4, led module 5 is electrically connected with AC/DC constant current driving device 6, led module 5 is connected with AC/DC constant current driving device 6 by lead, has effectively prevented electromagnetic interference, avoids LED stroboscopic and driving power to cause the LED light decay and influences the life-span.The top of electric panel room 4 is fixed with cover plate 8 with bolt 9, owing to be provided with around the electric panel room inwall double-screw bolt 4a is installed, correspondence is provided with fixing hole 8a around the cover plate 8, make cover plate 8 can be fixedly mounted on the top of electric apparatus room 4 by bolt 9, and adopt silicon rubber bar to seal equally with the top of electric apparatus room 4 around the cover plate 8, with water proof and dust proof.Through applicant's test, the power that the light fixture that the employing said structure is made is about 96 watts just can surpass the illuminating effect of 150 watts of sodium vapor lamp road pavement, and energy-saving effect is remarkable.Table 2 is the technical parameter table (equivalent 150W Metal halogen lamp) of the power of this light fixture when adopting 96W.
Table 2
In use, because the lamp body 1 of this light fixture adopts the disposable die cast of AA1070 type aluminum alloy materials, only need diffuser 7 and cover plate 8 are installed in respectively on the light source chamber 3 and electric apparatus room 4 of lamp body, and seal by silicon rubber bar, just can reach the degree of protection of IP65, make lamp body 1 of the present invention not have infiltration and dustproof problem.Simultaneously, be integrally formed with fin 2 on the lamp body 1, and the heat absorption base pressure cast solid of fin 2 and light source chamber, make the present invention have advantages such as heat absorption is fast, thermal resistance is little, heat radiation is smooth and easy, mechanical strength is good, the junction temperature of LED module 5 can be controlled at below 60 ℃, need not to dispose radiator, saved cost of manufacture.
In addition, the present invention's illumination, energy-conservation, good heat dissipation effect, and can effectively prevent electromagnetic interference and antiacid caustic corrosion, outdoor and large-scale indoor place all is suitable for.
Claims (8)
1. large power white light LED lighting, it is characterized in that: the lamp body (1) that comprises band fin (2), be provided with light source chamber (3) that is used to install led module (5) and the electric apparatus room (4) that is used to install AC/DC constant current driving device (6) in the described lamp body (1), the top of described light source chamber (3) is installed with diffuser (7), the bottom of described light source chamber (3) is provided with the light guide section to light source chamber direction projection, described light guide section by 3～5 differences towards light guiding surface (11) form, angle between adjacent two light guiding surfaces is the obtuse angle, and led module (5) is installed on the light guiding surface (11); AC/DC constant current driving device (6) is installed in the described electric apparatus room (4), and led module (5) is electrically connected with AC/DC constant current driving device (6).
2. large power white light LED lighting according to claim 1, it is characterized in that: described light source chamber (3) inwall is provided with groove (3a), be provided with around the groove (3a) double-screw bolt (3b) is installed, diffuser (7) is fixedly mounted on the light source chamber top by bolt (9).
3. large power white light LED lighting according to claim 1 is characterized in that: the material that described diffuser (7) adopts is a safety glass.
4. large power white light LED lighting according to claim 1 is characterized in that: the quantity of described led module (5) is 3～5, is filled with heat-conducting medium between each led module (5) and the light guiding surface (11).
5. large power white light LED lighting according to claim 1 is characterized in that: there is cover plate (8) at the top of described electric panel room (4) with bolting.
6. large power white light LED lighting according to claim 1 is characterized in that: an end of described lamp body (1) is provided with the installing hole (1a) that is used to install lamp stand (10).
7. large power white light LED lighting according to claim 1 is characterized in that: the angle between described adjacent two light guiding surfaces is 120～170 °.
8. large power white light LED lighting according to claim 7, it is characterized in that: described light guide section by 3 differences towards light guiding surface (11) when forming, light guiding surface is horizontal plane (11a) in the middle of it, after turning back respectively, the light guiding surface at horizontal plane two ends extends upward one section, form first, second light guiding surface (11b, 11c), first, second light guiding surface (11b, 11c) is 120～170 ° of angles respectively with horizontal plane light guiding surface (11a); Light guide section by 5 differences towards light guiding surface (11) when forming, light guiding surface is horizontal plane (11a) in the middle of it, after turning back respectively, the light guiding surface at horizontal plane two ends extends upward one section, form first, second light guiding surface (the 11b, 11c), first, second light guiding surface (the 11b, 11c) be 120～170 ° of angles respectively with horizontal plane light guiding surface (11a), first, second light guiding surface (the 11b, 11c) upwards turn back again and extend one section, form the 3rd, the 4th light guiding surface (11d, 11e), between the 3rd light guiding surface (11d) and first light guiding surface (11b) in obtuse angle, between the 4th light guiding surface (11e) and second light guiding surface (11c) in obtuse angle, first, second light guiding surface (the 11b, 11c) and the angle between the horizontal plane light guiding surface (11a) greater than first, second light guiding surface (the 11b, 11c) with the 3rd, the 4th light guiding surface (11d, 11e) the angle of Xing Chenging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101540520A CN102269357A (en) | 2011-06-09 | 2011-06-09 | High-power white light emitting diode (LED) illumination lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101540520A CN102269357A (en) | 2011-06-09 | 2011-06-09 | High-power white light emitting diode (LED) illumination lamp |
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|---|---|
| CN102269357A true CN102269357A (en) | 2011-12-07 |
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| CN2011101540520A Pending CN102269357A (en) | 2011-06-09 | 2011-06-09 | High-power white light emitting diode (LED) illumination lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004083716A1 (en) * | 2003-03-19 | 2004-09-30 | Takagi Corporation | Fish-gathering lamp |
| CN101398138A (en) * | 2008-10-10 | 2009-04-01 | 南京松日科技有限公司 | Lamp capable of randomly regulating irradiation angle and brightness |
| CN201344423Y (en) * | 2009-02-26 | 2009-11-11 | 复旦大学 | Street lamp adopting LEDs as light sources |
| US20090296388A1 (en) * | 2008-06-02 | 2009-12-03 | Advanced Optoelectronic Technology Inc. | Led lighting module |
| CN101706067A (en) * | 2009-10-15 | 2010-05-12 | 海安县奇锐电子有限公司 | High-power LED street lamp |
-
2011
- 2011-06-09 CN CN2011101540520A patent/CN102269357A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004083716A1 (en) * | 2003-03-19 | 2004-09-30 | Takagi Corporation | Fish-gathering lamp |
| US20090296388A1 (en) * | 2008-06-02 | 2009-12-03 | Advanced Optoelectronic Technology Inc. | Led lighting module |
| CN101398138A (en) * | 2008-10-10 | 2009-04-01 | 南京松日科技有限公司 | Lamp capable of randomly regulating irradiation angle and brightness |
| CN201344423Y (en) * | 2009-02-26 | 2009-11-11 | 复旦大学 | Street lamp adopting LEDs as light sources |
| CN101706067A (en) * | 2009-10-15 | 2010-05-12 | 海安县奇锐电子有限公司 | High-power LED street lamp |
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Application publication date: 20111207 |