CN103604091A - LED (light emitting diode) down lamp - Google Patents

LED (light emitting diode) down lamp Download PDF

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Publication number
CN103604091A
CN103604091A CN201310598385.1A CN201310598385A CN103604091A CN 103604091 A CN103604091 A CN 103604091A CN 201310598385 A CN201310598385 A CN 201310598385A CN 103604091 A CN103604091 A CN 103604091A
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China
Prior art keywords
led
radiator
lamp
cup
green
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Granted
Application number
CN201310598385.1A
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Chinese (zh)
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CN103604091B (en
Inventor
林英强
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Jiangmen Lubani Industrial Development Co., Ltd.
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林英强
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Priority to CN201310598385.1A priority Critical patent/CN103604091B/en
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Abstract

The invention discloses an LED (light emitting diode) down lamp. The LED down lamp comprises a barrel, an LED luminous subassembly, a radiator and a reflection cup, wherein the LED luminous subassembly comprises a red, green and blue full-color LED chip and an IC (integrated circuit) controller controlling the same; the reflection cup comprises a cup body and a connecting portion which is integrally formed on the bottom of the cup body; the connecting portion is provided with an aluminum alloy mounting rack; the radiator is arranged on the bottom of the outer side of the aluminum alloy mounting rack; the cup body is provided with a granular concave-convex surface; a reflection cover is also arranged between the red, green and blue full-color LED chip and the cup body; the radiator comprises a body and arc-shaped radiating fins; the scattered arc-shaped radiating fins are densely distributed on the excircle wall of the body; a recess is formed in a scattered end of each arc-shaped radiating fin; the recesses are positioned on the same height or sequentially rise or fall gradually, so that a groove surrounding the axle center of the body is formed; and radial air vents are also formed in the body. The LED down lamp emits soft and natural light, and is variable in color, high in brightness, high in radiating effect and long in service life.

Description

A kind of LED Down lamp
Technical field
The present invention relates to a kind of Down lamp, relate in particular to a kind of light reflection structure and radiator structure of LED Down lamp.
Background technology
LED Down lamp is a kind of lighting that light in ceiling is penetrated under vertical that is embedded into.LED Down lamp does not occupy the interior space, at indoor location LED Down lamp, because the confidentiality of light fixture, can not use the sensation that produces compressing, and can produce warm effect, but LED Down lamp beam angle of the prior art belongs to optically focused, light is more concentrated, and comparison of light and shade is too strong, and color is single.The light time that people's eyes direct view led lamp directly sends, can feel dazzling, unnatural.In addition, when LED lamp pearl is luminous, can produce a large amount of heat, as can not be in time these heats given out rapidly to cylindrical shell, the heat that is deposited in LED lamp pearl around and in cylindrical shell by the light that causes LED lamp pearl to send decay fast, energy consumption increases, thereby affect stability and the service life of LED lamp pearl, the radiating fin of radiator of the prior art is only to arrange around radiator body, and the hot-air between radiating fin is difficult to flow, and radiating effect is undesirable.
Summary of the invention
The present invention is intended to solve above-mentioned mentioned technical problem, provide a kind of light soft natural, color change is various, brightness is high, the LED Down lamp of good heat dissipation effect, long service life.
The present invention realizes by following technical scheme:
A LED Down lamp, comprises cylindrical shell, LED luminescence component, radiator and reflector, described LED luminescence component comprises red, green, blue all-colour LED chip and control described red, green, the IC controller of blue all-colour LED chip, described reflector comprises cup and at the integrated connecting portion of bottom of cup, it is open cylindric that described connecting portion is, and is wherein provided with by being threaded into fixing aluminium alloy installing rack, described red, green, blue all-colour LED chip is fixed on described aluminium alloy installing rack inside bottom luminous towards described cup, described aluminium alloy installing rack exterior bottom is provided with described radiator, described radiator is arranged in described cylindrical shell, described cylindrical shell is provided with air vent on the described radiator of correspondence position, described red, green, between blue all-colour LED chip and aluminium alloy installing rack, be coated with heat dissipating silicone grease, on described cup, be provided with granular male and fomale(M&F), described red, green, between blue all-colour LED chip and described cup, be also provided with reflecting cover, between described reflecting cover and described cup, be provided with light-passing board, on described light-passing board, be coated with refraction film, described radiator comprises body and arc radiating fin, described body is the cylinder of hollow, described IC controller is arranged in the cavity of body, on the inner round wall of described body, be provided with and cylindrical shell and red, green, the joint pin that blue all-colour LED chip is connected and fixed, the axle center of described joint pin is provided with the screw hole that connects joint pin, on the cylindrical wall of described body, be densely covered with the arc radiating fin that is divergent shape, described arc radiating fin is provided with recess away from dispersing of body on end, described recess is all on sustained height or lifting gradually successively, thereby form the groove around described body axle center, on described body, be also provided with radially passage.
Further, described IC controller comprises IC chip, is integrated with grid setting circuit, power device and the signal generator of CRV linear regulator, PW light adjusting controller, power tube driver module, MWP low voltage power devices, external high pressure power device in described IC chip; Wherein, CRV linear regulator is connected with the output of power device, PW light adjusting controller is connected with signal generator, signal generator connects the grid of MWP low voltage power devices by power tube driver module, the grid of power device is connected with grid position circuit, and output is connected with the input of MWP low voltage power devices.
Further, on described male and fomale(M&F), be coated with reflective membrane.
Further, on described reflecting cover, be coated with reflective membrane.
Further, between described aluminium alloy installing rack and radiator, by screw, be connected or the mode of welding is fixed.
Further, between described aluminium alloy installing rack and radiator, be coated with heat dissipating silicone grease.
Further, described aluminium alloy installing rack and radiator are one-body molded.
Further, described arc radiating fin and described body are formed in one.
Further, described radiator is fixed in the bottom in described cylindrical shell, by screw, is connected with described bottom.
The invention has the beneficial effects as follows:
The light that red, green, blue all-colour LED chip sends passes after the refraction film applying on light-passing board, radiation direction deflects, by the granular male and fomale(M&F) arranging on cup, make light that multiple reflections occur in reflector, and finally light is irradiated to the neighboring area of Down lamp mouth, be reflected to the light that cup approaches the position at Down lamp mouth edge and with the angle close to level, to Down lamp surrounding, penetrate, thereby increased the range of exposures of Down lamp.Meanwhile, the brightness of controlling three kinds of basic colors by IC controller makes to mix needed color, and after multiple reflections, obtains soft, natural light and uniform color.Reflecting cover is set and on male and fomale(M&F), reflecting cover, sets up reflective membrane and can highlight, thereby can realize, use the LED Down lamp of lesser amt can irradiate larger scope, be conducive to save electric energy.
By the end of dispersing on radiating fin, be provided with recess, and make all recesses all on sustained height or carry out successively lifting, thereby form the groove around radiator outline, when indoor while having Air Flow, air flows into from the air vent of cylinder lateral wall windward side, portion of air is wherein carried out heat exchange along groove and radiating fin, and flows out from the leeward side air vent of cylinder lateral wall; Another part is entered between the radiating surface of radiating fin and is carried out heat exchange with radiating fin by groove, and from the air vent of cylinder body bottom, flows out cylindrical shell along the radiating surface of radiating fin.Because IC controller is arranged on the hollow space of radiator body, by radial direction through hole is set on radiator body, make air in the inside and outside formation convection current of body, accelerate heat radiation.In addition, radiating fin is designed to the area of dissipation that arc can increase radiating fin, strengthens the heat-sinking capability of radiator.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the generalized section of LED Down lamp;
Fig. 2 is the radiator A-A cutaway view in Fig. 1.
The specific embodiment
As shown in Figure 1, with interior reflector 1, red, green, blue all-colour LED chip 4, the radiator 3 of being mainly provided with of cylindrical shell 8 of mounting bracket 7.Reflector 1 comprises cup 11 and connecting portion 12, and cup 11 is formed in one with connecting portion 12.It is open cylindric that connecting portion 12 is, and connecting portion 12 is connected and fixed with the mode that aluminium alloy installing rack 2 is threaded connection.Red, green, blue all-colour LED chip 4 is fixed by screws in the inside bottom of aluminium alloy installing rack 2 luminous towards cup 11, and is coated with heat dissipating silicone grease between the two.The mode that radiator 3 connects by screw is fixed on the exterior bottom of aluminium alloy installing rack 2, and be coated with heat dissipating silicone grease between the two, the heat that red, green, blue all-colour LED chip 4 sends is first delivered to and on aluminium alloy installing rack 2, is delivered to radiator 3 again and dispels the heat, and aluminium alloy installing rack 2 also can be connected or integrally casting moulding with radiator 3 in the mode of welding.Cup 11 is horn-like structure, on its medial surface, be provided with granular male and fomale(M&F) 13, male and fomale(M&F) 13 makes to be mapped to the light generation diffuse reflection on it, so the light of the different colours that sends of red, green, blue all-colour LED chip 4 can fully mix in cup, makes the light that recalls softer, even.Between red, green, blue all-colour LED chip 4 and cup 11, be also provided with reflecting cover 5, between reflecting cover 5 and cup 11, be provided with light-passing board 6, the lower surface of light-passing board 6 is coated with refraction film, refraction film changes the direction of light that red, green, blue all-colour LED chip 4 sends, make on its directive cup 11, and the light that part is reflected back in refraction film from male and fomale(M&F) 13 reflects, avoided light again through light-passing board 6, reduce the decay of light.For improving the luminous efficiency of red, green, blue all-colour LED chip 4, on male and fomale(M&F) 13 that can be on cup 11, reflecting cover 5, apply reflective membrane.Reflecting cover 5, light-passing board 6, by the crimping on aluminium alloy installing rack 2 tops, are fixedly arranged in connecting portion 12.
As shown in Figure 1 and Figure 2, the sidewall of cylindrical shell 8 and bottom are all provided with air vent 81 on corresponding radiator 3 positions.Radiator 3 by aluminum alloy materials casting comprises body 30 and arc radiating fin 32, the cylinder that the body 30 of radiator 3 is hollow, on the inner round wall of body 30, be provided with the joint pin 35 paralleling with the axis of radiator 3, the axle center of joint pin 35 is provided with the screw hole 34 that connects joint pin 35, the normal form that screw hole 34 one end are connected by screw is connected with the bottom of cylindrical shell 8, and the mode that the other end is also connected by screw is connected with red, green, blue all-colour LED chip 4.On the cylindrical wall of body 30, be densely covered with the arc radiating fin 32 of divergent shape, the end of dispersing of arc radiating fin 32 is provided with recess 33 and all recess 33 in outer rim on sustained height, thereby forms the groove around radiator 3 outlines.Referring to Fig. 1, the cross section of recess 33 is trapezoidal, can also be semicircle, arc, rectangle, stairstepping etc.Certainly, recess 33 on adjacent radiating fin 32 also can rise gradually successively or decline gradually around the axle center of body 30, the structure rising gradually can drive the hot-air spiral escalation on arc radiating fin 32, and radiating effect is best, but processing inconvenience relatively.For making the circulation of air in the hollow region of body 30, the heat of accelerating this region sheds, radially passage 31 can also be set on body 30, air vent 81 leaked-in airs from cylindrical shell 8 sidewalls are guided into this region, and discharge from the air vent 81 of the bottom of cylindrical shell 8.
LED luminescence component comprises red, green, blue all-colour LED chip 4 and the IC controller 41 of controlling said chip.IC controller 41 is arranged in the cavity at body 30 centers, and is electrically connected to red, green, blue all-colour LED chip 4 by wire.Meanwhile, IC controller 41 is to be connected with civil power by wire equally, and therefore, IC controller 41 also has the civil power of 220V is converted to the function that the required low-voltage of red, green, blue all-colour LED chip 4 and circuit comprise.IC controller comprises IC chip, IC core Embedded CRV linear regulator, PW light adjusting controller, power tube driver module, MWP low voltage power devices, the grid setting circuit of external high pressure power device, power device, signal generator, CRV linear regulator is connected with the output of power device; PW light adjusting controller is connected with signal generator; Signal generator connects the grid of MWP low voltage power devices by power tube driver module; The grid of power device is connected with grid position circuit, and output is connected with the input of MWP low voltage power devices.The different brightness that act as adjustment ruddiness, blue light, green glow of IC controller 41.According to the principle of color combination, after ruddiness and blue light combination, be purple light, after blue light and green glow combination, be green light, after ruddiness and green glow combination, be gold-tinted, after ruddiness, blue light, three kinds of light combinations of green glow, be white light.By adjusting the different brightness of ruddiness, blue light, green glow, can mix the required shades of colour of user.
Above embodiment is only not limited in order to technical scheme of the present invention to be described, does not allly depart from any modification of spirit and scope of the invention or is equal to replacement, and it all should be encompassed in the scope of technical solution of the present invention.

Claims (9)

1. a LED Down lamp, comprises cylindrical shell, LED luminescence component, radiator and reflector, is characterized in that: described LED luminescence component comprises red, green, blue all-colour LED chip and control described red, green, the IC controller of blue all-colour LED chip, described reflector comprises cup and at the integrated connecting portion of bottom of cup, it is open cylindric that described connecting portion is, and is wherein provided with by being threaded into fixing aluminium alloy installing rack, described red, green, blue all-colour LED chip is fixed on described aluminium alloy installing rack inside bottom luminous towards described cup, described aluminium alloy installing rack exterior bottom is provided with described radiator, described radiator is arranged in described cylindrical shell, described cylindrical shell is provided with air vent on the described radiator of correspondence position, described red, green, between blue all-colour LED chip and aluminium alloy installing rack, be coated with heat dissipating silicone grease, on described cup, be provided with granular male and fomale(M&F), described red, green, between blue all-colour LED chip and described cup, be also provided with reflecting cover, between described reflecting cover and described cup, be provided with light-passing board, on described light-passing board, be coated with refraction film, described radiator comprises body and arc radiating fin, described body is the cylinder of hollow, described IC controller is arranged in the cavity of body, on the inner round wall of described body, be provided with and cylindrical shell and red, green, the joint pin that blue all-colour LED chip is connected and fixed, the axle center of described joint pin is provided with the screw hole that connects joint pin, on the cylindrical wall of described body, be densely covered with the arc radiating fin that is divergent shape, described arc radiating fin is provided with recess away from dispersing of body on end, described recess is all on sustained height or lifting gradually successively, thereby form the groove around described body axle center, on described body, be also provided with radially passage.
2. a kind of LED Down lamp according to claim 1, it is characterized in that: described IC controller comprises IC chip, in described IC chip, be integrated with grid setting circuit, power device and the signal generator of CRV linear regulator, PW light adjusting controller, power tube driver module, MWP low voltage power devices, external high pressure power device; Wherein, CRV linear regulator is connected with the output of power device, PW light adjusting controller is connected with signal generator, signal generator connects the grid of MWP low voltage power devices by power tube driver module, the grid of power device is connected with grid position circuit, and output is connected with the input of MWP low voltage power devices.
3. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: on described male and fomale(M&F), be coated with reflective membrane.
4. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: on described reflecting cover, be coated with reflective membrane.
5. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: between described aluminium alloy installing rack and radiator, by screw, be connected or the mode of welding is fixed.
6. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: between described aluminium alloy installing rack and radiator, be coated with heat dissipating silicone grease.
7. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: described aluminium alloy installing rack and radiator are one-body molded.
8. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: described arc radiating fin and described body are formed in one.
9. a kind of LED Down lamp according to claim 1 and 2, is characterized in that: described radiator is fixed in the bottom in described cylindrical shell, by screw, is connected with described bottom.
CN201310598385.1A 2013-11-22 2013-11-22 LED (light emitting diode) down lamp Active CN103604091B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310598385.1A CN103604091B (en) 2013-11-22 2013-11-22 LED (light emitting diode) down lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310598385.1A CN103604091B (en) 2013-11-22 2013-11-22 LED (light emitting diode) down lamp

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CN103604091A true CN103604091A (en) 2014-02-26
CN103604091B CN103604091B (en) 2015-07-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201897118U (en) * 2010-12-06 2011-07-13 李廷帅 High-power integrated LED (light-emitting diode) tube lamp
CN201909203U (en) * 2010-11-30 2011-07-27 深圳市百得力电子有限公司 LED light fitting provided with fan cover
CN202195299U (en) * 2011-07-25 2012-04-18 苏州晶雷光电照明科技有限公司 Large-power light-emitting diode (LED) lamp with long service life
CN202203905U (en) * 2011-08-19 2012-04-25 宁波安迪光电科技有限公司 LED (light emitting diode) cylinder lamp and lamp body thereof
US20120236567A1 (en) * 2011-03-14 2012-09-20 Foxconn Technology Co., Ltd. Led lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201909203U (en) * 2010-11-30 2011-07-27 深圳市百得力电子有限公司 LED light fitting provided with fan cover
CN201897118U (en) * 2010-12-06 2011-07-13 李廷帅 High-power integrated LED (light-emitting diode) tube lamp
US20120236567A1 (en) * 2011-03-14 2012-09-20 Foxconn Technology Co., Ltd. Led lamp
CN202195299U (en) * 2011-07-25 2012-04-18 苏州晶雷光电照明科技有限公司 Large-power light-emitting diode (LED) lamp with long service life
CN202203905U (en) * 2011-08-19 2012-04-25 宁波安迪光电科技有限公司 LED (light emitting diode) cylinder lamp and lamp body thereof

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Effective date of registration: 20151008

Address after: 529000, three, 7, 168, hi tech West Road, Jianghai District, Guangdong, Jiangmen

Patentee after: JIANGMEN LUBANNI PHOTOELECTRIC TECHNOLOGY CO., LTD.

Address before: 529000 Guangdong Province, Jiangmen Jianghai Ma Ju Long Li

Patentee before: Lin Yingqiang

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 529000 Building No. 168, Gaoxin West Road, Jianghai District, Jiangmen City, Guangdong Province

Patentee after: Jiangmen Lubani Industrial Development Co., Ltd.

Address before: 529000 Building No. 168, Gaoxin West Road, Jianghai District, Jiangmen City, Guangdong Province

Patentee before: JIANGMEN LUBANNI PHOTOELECTRIC TECHNOLOGY CO., LTD.