CN201251054Y - LED street lamp with built-in cooling device - Google Patents
LED street lamp with built-in cooling device Download PDFInfo
- Publication number
- CN201251054Y CN201251054Y CNU2008200392703U CN200820039270U CN201251054Y CN 201251054 Y CN201251054 Y CN 201251054Y CN U2008200392703 U CNU2008200392703 U CN U2008200392703U CN 200820039270 U CN200820039270 U CN 200820039270U CN 201251054 Y CN201251054 Y CN 201251054Y
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- China
- Prior art keywords
- light source
- radiator
- source module
- lamp
- reflection shield
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- Expired - Fee Related
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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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to an LED street lamp with a built-in cooling device. A lamp shell consists of an upper lamp shell and a lower lamp shell; a refection lamp shield is fixedly arranged on the lower lamp shell; the lower end surface of a radiator is fixed on the refection lamp shield; a heat conducting substrate of an LED light source module is fixedly connected with the lower end surface of the radiator; the LED light source module is arranged in the center hole of the refection lamp shield; heat conducting glue is filled between the heat conducting substrate of the LED light source module and the lower end surface of the radiator; a light distribution lens is arranged in the center hole of the refection lamp shield in a sealing way; a sealing ring is arranged between the refection lamp shield and the lower end surface of the radiator; the center hole is positioned in the sealing ring; the peripheral sides of the lamp shield are embedded in the flanging of the refection lamp shield in a sealing way; and a power supply controller is fixed on the lower lamp shell. When the LED light source module is used for replacing the conventional light source, 80 percent of energy can be saved; the heat sent by the LED light source module can be promptly dispersed by the radiator; the LED light source module operates within the allowed temperature range; and the light effect is ensured. The utility model directly adopts the lamp shell and the lamp shield of the conventional street lamp, and has the advantages of simple structure and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of light fixture that is used for road lighting, says it is a kind of LED street lamp of built-in heat abstractor definitely.
Background technology
Along with the energy-saving and emission-reduction situation needs, agenda has been mentioned in the reducing energy consumption of urban road, and country has listed lighting energy saving in " one of ten big energy conservation projects ".The city street lamp of China is more, change the light emitting source of these conventional lamp into energy-conservation LED light emitting source, just can reach energy-conservation 50% the above object.But because present most of street lamp is the sodium vapor lamp light source with light fixture, be the circular arc type structure, the reflection shield radian is very dark, and is not with heat abstractor, and the led module light source is a plate armature, and need have radiator.Therefore, it is complicated to be adapted as led module light-emitting lamp structure to the high-pressure mercury lamp light fixture, installs inconvenient.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of LED street lamp of built-in heat abstractor, the LED street lamp of this built-in heat abstractor is easy for installation, simple in structure, cost is low, any traditional sodium vapor lamp lamp installation can be become the LED light fixture of built-in heat abstractor.
The utility model for the technical scheme that solves its technical problem and adopt is:
A kind of LED street lamp of built-in heat abstractor, form by lamp housing, power-supply controller of electric, radiator, led light source module, reflection shield, light-distribution lens, sealing ring and lampshade, described lamp housing is made up of last lamp housing and following lamp housing, reflection shield is fixedly mounted on down on the lamp housing by the flanging clamp, and radiator lower surface (by screw) is fixed on above the reflection shield; The heat-conducting substrate of led light source module is fixed on the radiator lower surface, the led light source module is in the centre bore of reflection shield, be filled with heat-conducting glue between the heat-conducting substrate of led light source module and radiator lower surface, the centre bore interior (forming sealing with glue) of reflection shield is located in the light-distribution lens sealing; Be provided with sealing ring between reflection shield and the radiator lower surface, central hole is in sealing ring, and so radiator, reflection shield, sealing ring and light-distribution lens constitute the light-source chamber of a waterproof and dustproof; The peripheral closed set of lampshade is in the flange of reflection shield, for sealing with glass cement; Power-supply controller of electric (by screw) is fixed on down on the lamp housing.
Described radiator adopts aluminium to stretch or die casting forms, form by heat transfer substrate and some fin, some fin are fixedly installed on the heat transfer substrate upper surface, the radiator lower surface is a heat transfer substrate, the heat transfer substrate of radiator lower surface (by screw) is fixed on above the reflection shield, sealing ring is on reflection shield and between the heat transfer substrate lower surface, be connected above the heat-conducting substrate of led light source module heat transfer substrate lower surface and heat-conducting glue is located between the two, heat transfer substrate is the plane towards the lower surface of lampshade, heat transfer substrate thickness is set between 0.5～1 centimetre, the thickness of fin is 1～3 millimeter, highly be 5～10 centimetres, spacing is 0.5～2 centimetre, and entire radiator is done the anodic oxidation preservative treatment.
Described led light source module is flat rectangle or arc structure, form by the integrated encapsulation of LED wafer, and be provided with two faces, one flat luminous and a plane thermal conductive surface, led light source module upper surface is plane thermal conductive surface (being heat-conducting substrate), and flat luminous towards light-distribution lens.
Described reflection shield is made moulding by aluminium book plate or stainless steel mirror board, and does anticorrosion and reflective processing, and the periphery of reflection shield centre bore is provided with circular groove, and described sealing ring places circular groove.
Described light-distribution lens is the lens that glass is made, and requires the different planform of design according to different hot spots.
Described sealing ring is circular, and it is material that sealing ring adopts resistant to elevated temperatures rubber or fluoroplastics.
Described power-supply controller of electric is provided with power supply constant-current circuit, constant current control apparatus and holding circuit.
The beneficial effects of the utility model are: adopt high-power LED light source module to replace conventional light source to can save energy 80%, owing to built-in radiator, the heat that the led light source module can be sent dissipates again, guarantees that the led light source module is operated in the allowable temperature scope, guarantee light efficiency, reduced light decay; This example adopts the lamp housing and the lampshade of conventional road lamp, and the street lamp shell of all conventional light source all can be provided with and be mounted to the led light source light fixture, and is simple in structure, the cost cost is low.
Description of drawings:
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model reflection shield schematic diagram;
Fig. 3 is the A-A face profile of this Fig. 2;
Fig. 4 is the utility model radiator schematic diagram;
Fig. 5 is the upward view of Fig. 4;
Fig. 6 is the utility model led light source module diagram;
Fig. 7 is the utility model power controller circuit module diagram.
The specific embodiment
Embodiment: a kind of LED street lamp of built-in heat abstractor, form by lamp housing 1, power-supply controller of electric 2, radiator 3, led light source module 4, reflection shield 5, light-distribution lens 6, sealing ring 7 and lampshade 8, described lamp housing is made up of last lamp housing and following lamp housing, reflection shield 5 is fixedly mounted on down on the lamp housing by the flanging clamp, and radiator 3 lower surfaces (by screw) are fixed on above the reflection shield 5; The heat-conducting substrate 16 of led light source module 4 is fixed on radiator 3 lower surfaces, led light source module 4 is in the centre bore 11 of reflection shield 5, be filled with heat-conducting glue between the heat-conducting substrate 16 of led light source module 4 and radiator 3 lower surfaces, the centre bore 11 interior (forming sealing with glue) of reflection shield 5 is located in light-distribution lens 6 sealings; Be provided with sealing ring 7 between reflection shield 5 and radiator 3 lower surfaces, centre bore 11 is in the sealing ring 7, and so radiator 3, reflection shield 5, sealing ring 7 and light-distribution lens 6 constitute the light-source chamber of a waterproof and dustproof; The peripheral closed set of lampshade 8 is in the flange of reflection shield 5, for sealing with glass cement; Power-supply controller of electric 2 (by screw) is fixed on down on the lamp housing.
Described radiator 3 adopts aluminium to stretch or die casting forms, form by heat transfer substrate 13 and some fin 14, some fin 14 are fixedly installed on heat transfer substrate 13 upper surfaces, radiator 3 lower surfaces are heat transfer substrate 13, the heat transfer substrate 13 (by screw) of radiator 3 lower surfaces is fixed on above the reflection shield 5, sealing ring 7 is on reflection shield 5 and between heat transfer substrate 13 lower surfaces, be connected above the heat-conducting substrate 16 of led light source module 4 heat transfer substrate 13 lower surfaces and heat-conducting glue is located between the two, heat transfer substrate 13 is the plane towards the lower surface of lampshade, heat transfer substrate 13 thickness are set between 0.5～1 centimetre, the thickness of fin 14 is 1～3 millimeter, highly be 5～10 centimetres, spacing is 0.5～2 centimetre, and entire radiator 3 is done the anodic oxidation preservative treatment.
Described led light source module 4 is flat rectangle or arc structure, form by the integrated encapsulation of LED wafer, and be provided with two faces, one flat luminous 15 and plane thermal conductive surfaces, led light source module upper surface is plane thermal conductive surface (being heat-conducting substrate 16), and flat luminous 15 towards light-distribution lens 6.
Described reflection shield 5 is made moulding by aluminium book plate or stainless steel mirror board, and does anticorrosion and reflective processing, and the periphery of reflection shield 5 centre bores 11 is provided with circular groove 12, and described sealing ring 7 places circular groove 12.
The lens that described light-distribution lens 6 is made for glass require the different planform of design according to different hot spots.
Described sealing ring 7 is circular, and it is material that sealing ring 7 adopts resistant to elevated temperatures rubber or fluoroplastics.
Described power-supply controller of electric 2 is provided with power supply constant-current circuit, constant current control apparatus and holding circuit.
The beneficial effects of the utility model are: adopt high-power LED light source module 2 to replace conventional light source to can save energy 80%, again because built-in radiator 3, the heat that led light source module 4 is sent can be dissipated, guarantee that led light source module 4 is operated in the allowable temperature scope, guarantee light efficiency, reduced light decay; This example adopts the lamp housing 1 and the lampshade 8 of conventional road lamp, and the street lamp shell of all conventional light source all can be provided with and be mounted to the led light source light fixture, and is simple in structure, the cost cost is low.
This example can be set to the light fixture of single light source structure, also can be arranged to double-light-source structured light fixture.
Operation principle of the present utility model is:
Heat transfer radiating principle:, therefore rational heat abstractor need be set make the temperature of led chip be controlled in its operating temperature that is fit to because the existence of resistance in the LED produces a large amount of heat when led chip is luminous.Led light source module 4 plane thermal conductive surfaces (heat-conducting substrate 16) are close to and are installed on radiator 3 heat transfer substrates 13 in the native system, heat can very fast plane thermal conductive surface 16 by led light source module 4 passes to the heat transfer substrate 13 of radiator 3 and is sent on each fin 14 of radiator 3 and dissipates like this, guaranteed that led chip is operated in the temperature allowed range, realized the function that to dispel the heat when LED is luminous.Led light source module 4 plane thermal conductive surfaces 16 and 13 of radiator 3 heat transfer substrates can be aided with certain heat-conducting glue during installation, so can reduce the heat transmission resistance that does not closely cause because of both contacts.
Luminous luminous intensity distribution principle: the luminescent ligand photosystem mainly is made up of flat luminous 15 of led light source module 4, reflection shield 5, light-distribution lens 6, lampshade 8.Reflection shield 5 upper center are provided with centre bore 11, led light source module 4 is in the centre bore 11 of reflection shield upper center, light-distribution lens 6 is sealingly fastened in the centre bore 11 of reflection shield, lampshade 8 peripheral sealed cards are formed in 5 times side periphery in-flanges of reflection shield, reflection shield 5 couplings are fixed in the lamp housing 1, so reflection shield 5, light-distribution lens 6 and sealing are fixed on 3 light-source chamber that form sealing of radiator of reflection shield upside, reach the requirement of rain-proof dust-proof and reach the sealing grade of IP65.The plane directional light that led light source module flat light-emitting area 15 is sent can change its rising angle behind light-distribution lens 6, thereby change the spot size and the illumination uniformity, can adjust the length-width ratio of hot spot by the shape that changes light-distribution lens 6, and reflection shield 5 also plays the effect of fixedly light-distribution lens 6 and radiator 3 and reaches certain beauty function when playing auxiliary luminous intensity distribution.
Claims (7)
1. the LED street lamp of a built-in heat abstractor, form by lamp housing, power-supply controller of electric, radiator, led light source module, reflection shield, light-distribution lens, sealing ring and lampshade, described lamp housing is made up of last lamp housing and following lamp housing, it is characterized in that: reflection shield is fixedly mounted on down on the lamp housing, and the radiator lower surface is fixed on above the reflection shield; The heat-conducting substrate of led light source module is fixed on the radiator lower surface, and the led light source module is in the centre bore of reflection shield, is filled with heat-conducting glue between the heat-conducting substrate of led light source module and radiator lower surface, and the light-distribution lens sealing is located in the centre bore of reflection shield; Be provided with sealing ring between reflection shield and the radiator lower surface, central hole is in sealing ring; The peripheral closed set of lampshade is in the flange of reflection shield, and power-supply controller of electric is fixed on down on the lamp housing.
2. the LED street lamp of built-in heat abstractor according to claim 1, it is characterized in that: described radiator adopts aluminium to stretch or die casting forms, form by heat transfer substrate and some fin, some fin are fixedly installed on the heat transfer substrate upper surface, the radiator lower surface is a heat transfer substrate, the heat transfer substrate of radiator lower surface is fixed on above the reflection shield, sealing ring is on reflection shield and between the heat transfer substrate lower surface, be connected above the heat-conducting substrate of led light source module heat transfer substrate lower surface and heat-conducting glue is located between the two, heat transfer substrate is the plane towards the lower surface of lampshade, heat transfer substrate thickness is set between 0.5～1 centimetre, the thickness of fin is 1～3 millimeter, highly be 5～10 centimetres, spacing is 0.5～2 centimetre, and entire radiator is done the anodic oxidation preservative treatment.
3. the LED street lamp of built-in heat abstractor according to claim 1, it is characterized in that: described led light source module is flat rectangle or arc structure, form by the integrated encapsulation of LED wafer, and be provided with two faces, one flat luminous and a plane thermal conductive surface, led light source module upper surface is the plane thermal conductive surface, and flat luminous towards light-distribution lens.
4. the LED street lamp of built-in heat abstractor according to claim 1, it is characterized in that: described reflection shield is made moulding by aluminium book plate or stainless steel mirror board, and do anticorrosion and reflective processing, and the periphery of reflection shield centre bore is provided with circular groove, and described sealing ring places circular groove.
5. the LED street lamp of built-in heat abstractor according to claim 1 is characterized in that: described light-distribution lens is the lens that glass is made, and requires the different planform of design according to different hot spots.
6. the LED street lamp of built-in heat abstractor according to claim 1 is characterized in that: described sealing ring is for circular, and it is material that sealing ring adopts resistant to elevated temperatures rubber or fluoroplastics.
7. the LED street lamp of built-in heat abstractor according to claim 1, it is characterized in that: described power-supply controller of electric is provided with power supply constant-current circuit, constant current control apparatus and holding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200392703U CN201251054Y (en) | 2008-08-19 | 2008-08-19 | LED street lamp with built-in cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200392703U CN201251054Y (en) | 2008-08-19 | 2008-08-19 | LED street lamp with built-in cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251054Y true CN201251054Y (en) | 2009-06-03 |
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ID=40746728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200392703U Expired - Fee Related CN201251054Y (en) | 2008-08-19 | 2008-08-19 | LED street lamp with built-in cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251054Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080815A (en) * | 2009-11-28 | 2011-06-01 | 任文华 | Radiating lamp |
| CN101709840B (en) * | 2009-11-25 | 2012-11-28 | 广东昭信光电科技有限公司 | Streetlamp with application-oriented light-emitting diode module |
-
2008
- 2008-08-19 CN CNU2008200392703U patent/CN201251054Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709840B (en) * | 2009-11-25 | 2012-11-28 | 广东昭信光电科技有限公司 | Streetlamp with application-oriented light-emitting diode module |
| CN102080815A (en) * | 2009-11-28 | 2011-06-01 | 任文华 | Radiating lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU DAQIN OPTOELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: KUNSHAN TAIDELONG MACHINERY CO., LTD. Effective date: 20120119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215347 SUZHOU, JIANGSU PROVINCE TO: 212211 ZHENJIANG, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120119 Address after: Xin Ba Zhen Changhong Bei Lu Yangzhong city in Jiangsu province 212211 Patentee after: JIANGSU SOLARMAX PHOTO-ELECTRIC CO., LTD. Address before: 215347, No. 8, Mingzhu Road, China Development Zone, Kunshan, Jiangsu Patentee before: Kunshan Taidelong Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20140819 |
|
| EXPY | Termination of patent right or utility model |