CN202132725U - Split type heat dissipation LED down lamp - Google Patents
Split type heat dissipation LED down lamp Download PDFInfo
- Publication number
- CN202132725U CN202132725U CN201120042842U CN201120042842U CN202132725U CN 202132725 U CN202132725 U CN 202132725U CN 201120042842 U CN201120042842 U CN 201120042842U CN 201120042842 U CN201120042842 U CN 201120042842U CN 202132725 U CN202132725 U CN 202132725U
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- Prior art keywords
- down lamp
- reflector
- heat dissipation
- led
- split type
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an LED down lamp comprising a light penetration cover, an LED light source component, clip springs, a reflection bowl, a fixing base, a heat dissipation device group, a power source power supply circuit, a power source base, and a terminal bench. The middle of the reflection bowl is provided with the round light penetration cover, and the surface of the fixing base is provided with the heat dissipation device group and symmetrically arranged clip springs. The heat dissipation device group is made of aluminium or alloy materials and is constituted by a plurality of hollow cylindrical cavity structures provided with heat dissipation grooves or heat dissipation teeth in the periphery. The inner part of each of the cavities is provided with more than two ventilation grooves, which can be used to form a heat dissipation channel communicated with the outside. The center of each of the cavities is provided with bolt holes respectively used for fixedly connecting the reflection bowl and the power source base. The split type heat dissipation LED down lamp provided in the utility model has advantages of simple structure, small size, low calorific value, soft and even light extraction, long service lifetime, obvious energy-saving efficiency, wide application in indoor illumination, hotels, building decoration, market showcases, museums, and entertainment places.
Description
Technical field
The utility model relates to a kind of illumination and uses Down lamp, particularly a kind ofly carries out the LED Down lamp that installation and combination forms behind the secondary light-distribution with the LED light emitting diode as lighting source and with light source, belongs to technical field of semiconductor illumination.
Background technology
At present, high-power LED light source begins to be widely used in the room lighting field, and is particularly outstanding with LED electricity-saving lamp, Down lamp, Grille lamp etc., and its reason is that the led light source luminous efficiency is high, energy-conservation, color tunable control, colour rendering advantages of higher.Existing LED Down lamp primary structure is provided with light source in the inside of lamp body, arranges reflector all around; The diffuser that outer cover plastics or organic material are processed; Bottom fixed groove profile of tooth radiator, power circuit is placed at the radiator center, and heat radiation lamp body material is generally aluminium radiator.Its radiator is the inside and outside closed structure of annular.In view of above-mentioned lamp body structure, inner air and extraneous air be convective exchange smoothly, because its center heat greatly and very concentrated, it is untimely heat radiation often to occur, and instantaneous temperature can will cause the LED inefficacy above the inside junction temperature of LED; Perhaps, can be controlled at temperature below the led chip junction temperature under this kind condition, if but the lasting power that improves light source is difficult to the service life to guarantee that LED expects, and the efficient of product and quality stability shortage ensure, are not technical schemes best and practicality.The innovative design of LED Down lamp is continuous development and progress; In order to guarantee its function and expected life; Also higher heat-sinking capability need be provided, optimize the shell radiating mode, improve the structural design mode of current LED Down lamp; Improve system's light extraction efficiency of light fixture, make it to become final ideal product.
Summary of the invention
The purpose of the utility model is to address the above problem, and the LED Down lamp that a kind of luminous efficiency is high, the life-span is long is provided, and effectively solving LED conducts heat or the light extraction efficiency problem, guarantees service life.
The purpose of the utility model realizes through following technical scheme:
The LED Down lamp of split type heat radiation; Comprise reflector, be located at the reflector bottom inside at least one group of led light source assembly, cover diffuser on the said led light source assembly, be located at power-supplying circuit, power socket and radiator group that reflector bottom outside and led light source assembly link to each other; The integrated driving power that is equipped with in the wherein said power socket; It is characterized in that: said radiator group is connected between power socket and the reflector mutually; The center gap that said driving power passes the radiator group links to each other with power-supplying circuit, and said radiator group is for being made up of the column cavity that has heat radiation groove or radiation tooth more than two all around, and wherein each column cavity is a hollow-core construction; Sidewall is provided with two above vent grooves and is connected with the external world, and column cavity two ends have the screw of be connected and fixed reflector and power socket.
Further; Said led light source assembly is meant that power 1W is above, the light emitting diode of monochrome or secondary color is mounted on the luminescence component that forms on the metal base circuit board; Wherein said light-emitting diode structure form comprises independent encapsulation or integrated encapsulation, and the light-emitting window of said led light source assembly is corresponding with lampshade.
Further, said reflector is the circular metal bowl that inwall is coated with reflective membrane, and the reflector inside center is provided with and the circular diffuser of the bullet cut of led light source assembly coupling, and said diffuser inwall is a frosting, and its outer surface is provided with anti-skidding muscle and reins in.
Further, said reflector outside is provided with the jump ring that a dismountable holder and bilateral symmetry thereof distribute.
Further, said diffuser be light transmittance more than 95%, the cover body of resin or PC material, its shape comprises hemispherical, goalpost shape, cylindrical or prismatic at least.
Further, said column cavity peripheral shape comprises circle, square or rhombus at least.
Further, said power socket outside is furnished with the power supply terminal platform, and wherein the metal section and part of terminal places plastic sheath.
It is following to the utlity model has unique advantage and beneficial effect:
(1) the utility model is simple in structure, adopts led light source, and small product size is little, in light weight, shock-resistant, safe and reliable; Easy for installation, housing outer surface is provided with the radiator of many group monomer structures, and the radiator center is provided with louvre; Effective heat dissipation channel is provided, avoids traditional close formula structure, the limitation of an only outer radiator heat-dissipation; Efficiently solve the LED heat dissipation problem, save cost and improve service life.
(2) the Lamp cup inwall of the utility model is covered with the splendid reflectorized material of one deck light reflectance, and circular diffuser inwall has been done the frosted processing, can effectively improve the diffusion rate of light, and light is softer evenly, improves the effect of anti-dazzle.
(3) the utility model is compared with lighting sources such as Halogen lamp LEDs with traditional incandescent lamp, and power consumption is few, and luminous efficiency is far above incandescent lamp and Halogen lamp LED, and energy-saving effect is remarkable.
Description of drawings
Fig. 1 is the perspective view of a kind of preferred embodiment Down lamp of the utility model;
Fig. 2 is the front elevational schematic of Down lamp light direction shown in Figure 1;
Fig. 3 is that the solid of Down lamp shown in Figure 1 splits structural representation;
Fig. 4 is the radial section sketch map of column cavity in the Down lamp radiator group shown in Figure 1.
The implication of each Reference numeral is among the figure:
1～diffuser, 2～led light source assembly, 3～jump ring, 4～reflector, 5～holder, 6～radiator group, 7～driving power, 8～power socket, 9～terminal board
The specific embodiment
Below in conjunction with Figure of description the utility model technical scheme is detailed:
To shown in Figure 4, the perspective view of the LED Down lamp of the split type heat radiation of the utility model, front elevational schematic, fractionation structural representation and the radial section sketch map of light direction have been disclosed like Fig. 1.The LED Down lamp of the split type heat radiation of this kind; Comprise reflector 4, be located at the reflector bottom inside at least one group of led light source assembly 2, cover diffuser 1 on the said led light source assembly 2, be located at power-supplying circuit (not shown), power socket 8 and radiator group 6 that reflector bottom outside and led light source assembly 2 link to each other; The integrated driving power 7 that is equipped with in the power socket 8 wherein; This radiator group 6 is connected between power socket 8 and the reflector 4 mutually; The center gap that this driving power 7 passes the radiator group links to each other with power-supplying circuit, and then is 2 energy supplies of led light source assembly.This radiator group 6 is for being made up of the column cavity that has heat radiation groove or radiation tooth more than two all around; Wherein each column cavity is a hollow-core construction; Inside is provided with two above vent grooves; Nationality is connected with the external world by passage, and column cavity two ends have the screw (not shown) of be connected and fixed reflector 4 and power socket 8.
Above-mentioned radiator group 6 combines with light source; Have radiating effect more uniformly, and adopt the radiator group to carry out split type the connection the Lights section and power unit, under equal heat radiation volume and steric requirements; Can improve the source efficiency and the life-span of whole light fixture, it is remarkable to practice thrift cost.As shown in Figure 4, this radiator group 6 is generally aluminium matter or alloy material, is made up of the column cavity that has heat radiation groove or radiation tooth 61 more than two all around.The column inside cavity is a hollow-core construction, does to process through mechanical systems such as stretching, cutting, surface treatments; The radiator peripheral shape can be bar shaped, circle, square, rhombus etc.; Also can be other applicable shapes, distribute and arrangement mode can single row or multiple rows, be provided with two above vent grooves 62 in the cavity; The heat dissipation channel that constitutes through vent grooves and passage (not shown) is connected with the external world; Each center, column cavity two ends is respectively equipped with the screw of be connected and fixed reflector 4 and power socket 8, and outer surface makes radiating effect better through sandblast oxidation and polishing technology.
According to above-mentioned LED Down lamp with split type radiator structure; Said lamp body radiator group 6 outsides have a holder that can supply dismounting; Holder 5 symmetrical semi-circumference places be provided with respectively one can supply the location usefulness locating slot; The holder outside has jump ring 3, the one ends interlocking of symmetrical distribution among locating slot; Utilize the elasticity of jump ring 3 self on the holder 5, can the LED Down lamp be inlaid in the ceiling, really firm to reach, and in that install can be more easy, quick.
Be provided with some pores that communicate with light-source chamber around this reflector 4; The radiator group is corresponding to the reflector centre bottom, these reflector 4 bottoms be provided with one be used to assemble and fixedly diffuser 1 revolve draw-in groove, saidly revolve draw-in groove sidewall and the clamping of diffuser 1 root edge coupling; Diffuser 1 surface is provided with anti-skidding muscle and reins in; Rotate diffuser 1 and will be engaged in revolving in the draw-in groove of reflector 4, diffuser 1 is connected with reflector 4, it is easier, quick, firm to install.
Secondly; Said Down lamp reflector 4 is a circular metal bowl, and reflector 4 inwalls are coated with the splendid reflective membrane of one deck light reflectance, can intactly the light of surface mount LED scattering be concentrated and launch; Further improve whole brightness; Prevent that dazzle from producing, make this reflector have splendid light reflectance, thereby obtain radiation response more uniformly.
Further; This is located at the diffuser 1 at lamp body reflector center; Can aforementioned surfaces be mounted led light source assembly 2 and cover fully, this diffuser 1 be light transmittance in resin more than 95% or PC mixtures of material, and its shape comprises hemispherical, goalpost shape, cylindrical, prismatic at least; And no matter adopt which kind of shape, its diffuser inwall is matte surface or is provided with the coating of adding lustre to.
Moreover, power socket 8 positioned inside power circuit components 7, and in top one side connects the terminal board be used for external circuit so that driving power 7 links to each other with coupling terminal block, avoid directly contacting the probability that minimizing driving power 7 breaks down with housing.
The utility model technical scheme is lighter than low-voltage fluorescent lamp, traditional Down lamp weight, and light efficiency is higher, and is photochromic soft, excellent in heat dissipation effect; Save cost, and easy for installation, therefore in raising service life and power saving, have huge advantage; Be applicable to room lighting, hotel, building decoration; The market showcase, museum, public place of entertainment etc.
In sum; Above embodiment is in order to the preferred implementation of explanation the utility model; This technical scheme is not done restriction further; Still can make amendment and be equal to replacement this technical scheme those skilled in the art, and the routine that this technical scheme is carried out is changed and the replacement of unsubstantiality all should be included in the protection domain of present patent application.
Claims (7)
1. the LED Down lamp of split type heat radiation; Comprise reflector, be located at the reflector bottom inside at least one group of led light source assembly, cover diffuser on the said led light source assembly, be located at power-supplying circuit, power socket and radiator group that the led light source assembly of reflector bottom outside links to each other; The integrated driving power that is equipped with in the wherein said power socket; It is characterized in that: said radiator group is connected between power socket and the reflector mutually; The center gap that said driving power passes the radiator group links to each other with power-supplying circuit, and said radiator group is for being made up of the column cavity that has heat radiation groove or radiation tooth more than two all around, and wherein each column cavity is a hollow-core construction; Sidewall is provided with two above vent grooves and is connected with the external world, and column cavity two ends have the screw of be connected and fixed reflector and power socket.
2. the LED Down lamp of split type heat radiation according to claim 1; It is characterized in that: said led light source assembly is meant that power 1W is above, the light emitting diode of monochrome or secondary color is mounted on the luminescence component that forms on the metal base circuit board; Wherein said light-emitting diode structure form comprises independent encapsulation or integrated encapsulation, and the light-emitting window of said led light source assembly is corresponding with lampshade.
3. the LED Down lamp of split type heat radiation according to claim 1; It is characterized in that: said reflector is the circular metal bowl that inwall is coated with reflective membrane; The reflector inside center is provided with and the circular diffuser of the bullet cut of led light source assembly coupling; Said diffuser inwall is a frosting, and its outer surface is provided with anti-skidding muscle and reins in.
4. the LED Down lamp of split type heat radiation according to claim 1 is characterized in that: said reflector outside is provided with the jump ring that a dismountable holder and bilateral symmetry thereof distribute.
5. the LED Down lamp of split type heat radiation according to claim 1 is characterized in that: said diffuser be light transmittance more than 95%, the cover body of resin or PC material, its shape comprises hemispherical, goalpost shape, cylindrical or prismatic at least.
6. the LED Down lamp of split type heat radiation according to claim 1, it is characterized in that: said column cavity peripheral shape comprises circle, square or rhombus at least.
7. the LED Down lamp of split type heat radiation according to claim 1, it is characterized in that: said power socket outside is furnished with the power supply terminal platform, and wherein the metal section and part of terminal places plastic sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120042842U CN202132725U (en) | 2011-02-21 | 2011-02-21 | Split type heat dissipation LED down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120042842U CN202132725U (en) | 2011-02-21 | 2011-02-21 | Split type heat dissipation LED down lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132725U true CN202132725U (en) | 2012-02-01 |
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ID=45521492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120042842U Expired - Fee Related CN202132725U (en) | 2011-02-21 | 2011-02-21 | Split type heat dissipation LED down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853295A (en) * | 2012-08-11 | 2013-01-02 | 东莞勤上光电股份有限公司 | Down lamp capable of dissipating heat through convection of inner passage and outer passage |
| WO2013017082A1 (en) * | 2011-08-01 | 2013-02-07 | 深圳市众明半导体照明有限公司 | Led lamp and light effect improving method thereof |
-
2011
- 2011-02-21 CN CN201120042842U patent/CN202132725U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013017082A1 (en) * | 2011-08-01 | 2013-02-07 | 深圳市众明半导体照明有限公司 | Led lamp and light effect improving method thereof |
| CN102853295A (en) * | 2012-08-11 | 2013-01-02 | 东莞勤上光电股份有限公司 | Down lamp capable of dissipating heat through convection of inner passage and outer passage |
| CN102853295B (en) * | 2012-08-11 | 2014-08-27 | 东莞勤上光电股份有限公司 | Down lamp capable of dissipating heat through convection of inner passage and outer passage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190226 Address after: 211100 No. 666 Kejian Road, Science Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Jingbang Lighting Technology Co., Ltd. Address before: 211100 No. 777 Kening Road, Jiangning Science Park, Nanjing City, Jiangsu Province Patentee before: Nanjing Handson Science & Technology Corporation |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20200221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |