CN201251055Y - Externally cooling LED street lamp - Google Patents
Externally cooling LED street lamp Download PDFInfo
- Publication number
- CN201251055Y CN201251055Y CNU2008200392718U CN200820039271U CN201251055Y CN 201251055 Y CN201251055 Y CN 201251055Y CN U2008200392718 U CNU2008200392718 U CN U2008200392718U CN 200820039271 U CN200820039271 U CN 200820039271U CN 201251055 Y CN201251055 Y CN 201251055Y
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- China
- Prior art keywords
- lamp
- lamp housing
- light source
- led light
- fin
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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)
Abstract
The utility model discloses an externally cooling LED street lamp. In the technical proposal, the upper surface of an upper lamp shell is provided with a first group of cooling fins and a second group of cooling fins, which are arranged vertical to each other; the lower end surface of the upper lamp shell forms a heat transferring substrate; the heat conducting substrates of LED light source modules are fixed on the lower end surface of the heat transferring substrate; a lower lamp shell is arranged under the upper lamp shell in a matching way; the peripheral sides of a transparent lamp shield is fixedly arranged in the lower lamp shell in a sealing way; the lower end of a refection lamp shield for outward flanging and is reversely buckled at the peripheral sides of the transparent lamp shield; the refection lamp shield is provided with mounting holes of the quantity which fits with the quantity of the LED light source modules; the LED light source modules are arranged in the corresponding mounting holes; light distribution lenses are arranged in the mounting holes in a sealing way; sealing rings are positioned in a groove on the refection lamp shield; and the mounting holes are arranged in the sealing rings. Because the first group of cooling fins and the second group of cooling fins are integrated on the upper surface of the upper lamp shell, the structural complexity of the lamp is reduced, and the stability and reliability thereof are improved. Because the first group of cooling fins and the second group of cooling fins are arranged vertically to each other, the cross ventilation is enhanced; the cooling performance of the lamp is improved; and the service life of the lamp is prolonged.
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 outward radiation LED street lamp definitely.
Background technology
Along with the day of the energy is becoming tight, the LED lighting will be widely used, the energy-efficient performance of LED is generally acknowledged in recent years, and its technology is also in further improve, but the heat dissipation problem of LED also is the factor of long-term its development of restriction, though formed multiple solution at present, but the certain limitation that all has, radiating effect as active heat removal is better, but its complexity that has increased light fixture has lowered reliability, the untimely led chip that will cause of maintenance is overheated and damage in case heat abstractor breaks down, the light fixture stability of passive heat radiation better, but the big quality of radiator volume is heavy.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of outward radiation LED street lamp, and the outside radiator structure of this outward radiation LED street lamp can improve the heat dispersion of LED street lamp, makes that the operating temperature of led chip is lower, prolongs the service life of LED street lamp.
The utility model for solve that its technical problem adopts technical scheme be:
A kind of outward radiation LED street lamp, by last lamp housing, following lamp housing, the led light source module, reflection shield, light-distribution lens, sealing ring, Transparent lamp shade and rectification driving governor constitute, last lamp housing upper surface is provided with first, two groups of fin, first, two fin are vertical mutually, last lamp housing lower surface forms heat transfer substrate, the heat-conducting substrate of led light source module is fixed in the heat transfer substrate lower surface, following lamp housing is matched with below the lamp housing, the sealing of Transparent lamp shade periphery is fixedly arranged on down in the lamp housing (passes through sealing gasket, securing members such as screw and flanging clamp are realized), the reflection shield lower end forms the flanging back-off in the Transparent lamp shade periphery, thereby reflection shield is fixedly mounted on down on the lamp housing, reflection shield is provided with the installing hole that is complementary with the led light source module number, the led light source module is in the corresponding installing hole, the light-distribution lens sealing is located in the installing hole, be provided with sealing ring in the groove above the reflection shield, installing hole is in the sealing ring, on, following lamp housing merges the back and goes up lamp housing heat transfer substrate compression seal circle, the led light source module is in the sealing ring (preferably over against light-distribution lens), heat transfer substrate like this, reflection shield, light-distribution lens and sealing ring are formed airtight light-source chamber, and the rectification driving governor is fixed on down lamp housing inside by supporting fixed head and screw etc.
Described upward lamp housing and first and second group fin are integrally formed, form by the alloy aluminium die-casting, second group of fin 12 is parallel to the symmetrical center line of lamp housing, first and second group fin all is interval with ten fin at least, the thickness of each fin is 1～4 millimeter, and centre-height is 5～10 centimetres.
Described led light source module is flat rectangle or arc structure, be made by the integrated encapsulation of great power LED wafer, and be provided with two faces, one flat luminous and a plane thermal conductive surface (being heat-conducting substrate), flat luminous towards light-distribution lens, the plane thermal conductive surface is connected in by heat-conducting glue to be gone up on the lamp housing lower surface (both positions are just opposite), and the led light source module is provided with power input (for positive and negative two terminals).
Described reflection shield is made moulding by aluminium book plate or stainless steel mirror board, and the reflection shield middle part forms boss towards Transparent lamp shade, and installing hole is in the boss center, and the installing hole size really can be placed in one the light-distribution lens sealing.
Described rectification driving governor is a constant current voltage stabilizing driver, and constant current voltage stabilizing driver is provided with a power input and a power output end, and power output end connects led light source modular power source input.
Described light-distribution lens is the lens that glass or other transparent materials are made.
Described sealing ring is made by resistant to elevated temperatures rubber or fluoroplastics.
The beneficial effects of the utility model are: first and second group fin is integrally formed at the lamp housing upper surface, has lowered the structural complexity of light fixture, thereby has improved reliability; First and second group fin is mutually vertically can increase cross-ventilation, has significantly improved the heat dispersion of light fixture, thereby reduces the operating temperature of led chip, the service life of improving light fixture.
Description of drawings:
Fig. 1 is a mechanism of the present utility model decomposing schematic representation;
Fig. 2 is a schematic diagram of the present utility model;
Fig. 3 is the A-A face profile of this Fig. 2;
Fig. 4 is the utility model reflection shield schematic diagram;
Fig. 5 is the profile of Fig. 4.
The specific embodiment
Embodiment: a kind of outward radiation LED street lamp, by last lamp housing 1, following lamp housing 2, led light source module 3, reflection shield 4, light-distribution lens 5, sealing ring 7, Transparent lamp shade 6 and rectification driving governor 8 constitute, last lamp housing upper surface is provided with first, two groups of fin 11,12, first, two fin 11,12 is vertical mutually, last lamp housing lower surface forms heat transfer substrate, the heat-conducting substrate of led light source module 3 is fixed in the heat transfer substrate lower surface, 2 of following lamp housings are matched with below the lamp housing 1, Transparent lamp shade 6 periphery sealings are fixedly arranged on down in the lamp housing 2 (passes through sealing gasket, securing members such as screw and flanging clamp are realized), reflection shield 4 lower ends form the flanging back-off in Transparent lamp shade 6 peripheries, thereby reflection shield 4 is fixedly mounted on down on the lamp housing 2, reflection shield 4 is provided with the installing hole 10 that is complementary with led light source module 3 quantity, led light source module 3 is in the corresponding installing hole 10, light-distribution lens 5 sealings are located in the installing hole 10, be provided with sealing ring 7 in the groove 14 above the reflection shield 4, installing hole 10 is in the sealing ring 7, on, following lamp housing merges the back and goes up lamp housing 1 heat transfer substrate compression seal circle 7, led light source module 3 is in the sealing ring 7 (preferably over against light-distribution lens), heat transfer substrate like this, reflection shield 4, light-distribution lens 5 and sealing ring 7 are formed airtight light-source chamber, and rectification driving governor 8 is fixed on down lamp housing 2 inside by supporting fixed head and screw etc.
Described upward lamp housing and first and second group fin 11,12 are integrally formed, form by the alloy aluminium die-casting, second group of fin 12 is parallel to the symmetrical center line of lamp housing 1, first and second group fin 11,12 all is interval with ten fin at least, the thickness of each fin is 1～4 millimeter, and centre-height is 5～10 centimetres.
Described led light source module 3 is flat rectangle or arc structure, be made by the integrated encapsulation of great power LED wafer, and be provided with two faces, one flat luminous and a plane thermal conductive surface (being heat-conducting substrate), flat luminous towards light-distribution lens 5, the plane thermal conductive surface is connected in by heat-conducting glue to be gone up on lamp housing 1 lower surface (both positions are just opposite), and led light source module 3 is provided with power input (for positive and negative two terminals).
Described reflection shield 4 is made moulding by aluminium book plate or stainless steel mirror board, and reflection shield 4 middle parts form boss towards Transparent lamp shade 6, and installing hole 10 is in the boss center, and installing hole 10 sizes really can be placed in one light-distribution lens 5 sealings.
Described rectification driving governor 8 is constant current voltage stabilizing driver, and constant current voltage stabilizing driver is provided with a power input and a power output end, and power output end connects led light source module 3 power inputs.
Described light-distribution lens 5 is the lens that glass or other transparent materials are made.
Described sealing ring 7 is made by resistant to elevated temperatures rubber or fluoroplastics.
Operation principle of the present utility model:
Heat transfer radiating principle:, therefore rational heat abstractor must 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.In the native system on first and second group fin 11,12 and light fixture lamp housing 1 be linked to be an integral body and also directly contact with atmosphere, and orthogonal first and second two groups of fin 11,12 can increase cross-ventilation intensity, improve radiating effect, heat can very fast heat-conducting substrate by LED passes to lamp housing 1 heat transfer substrate (going up the lamp housing lower surface) and is sent on each fin and dissipates thus, guaranteed that led chip is operated in the temperature allowed range, realized the function that to dispel the heat when LED is luminous.Can be aided with certain heat-conducting glue between the heat-conducting substrate of led light source module 3 and last lamp housing 1 heat transfer substrate during installation, in order to reduce the heat transmission resistance that does not closely cause because of both contacts.The streamlined moulding of fin and lamp outer casing not only makes whole light fixture elegant in appearance, and the heat that heat radiating fin structure meets light fixture reality distributes, thereby realizes heat transmission and the maximization of distributing on limited area of dissipation.
The plane directional light that the flat luminous face of luminescent ligand photosystem: LED sends can change its rising angle behind light-distribution lens 5, 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 5, and reflection shield 4 also plays fixedly light-distribution lens 5 and certain beauty function when playing auxiliary luminous intensity distribution.
Claims (7)
1. outward radiation LED street lamp, by last lamp housing (1), following lamp housing (2), led light source module (3), reflection shield (4), light-distribution lens (5), sealing ring (7), Transparent lamp shade (6) and rectification driving governor (8) constitute, it is characterized in that: go up the lamp housing upper surface and be provided with first, two groups of fin (11,12), first, two fin (11,12) vertical mutually, last lamp housing lower surface forms heat transfer substrate, the heat-conducting substrate of led light source module (3) is fixed in the heat transfer substrate lower surface, following lamp housing is matched with below the lamp housing, the sealing of Transparent lamp shade periphery is fixedly arranged on down in the lamp housing, the reflection shield lower end forms the flanging back-off in the Transparent lamp shade periphery, reflection shield is provided with the installing hole (10) that is complementary with led light source module (3) quantity, the led light source module is in the corresponding installing hole (10), the light-distribution lens sealing is located in the installing hole, groove above the reflection shield is provided with sealing ring in (14), installing hole (10) is in the sealing ring, on, following lamp housing merges the back and goes up lamp housing heat transfer substrate compression seal circle, the led light source module is in the sealing ring, and the rectification driving governor is fixed on down lamp housing inside.
2. a kind of outward radiation LED street lamp according to claim 1, it is characterized in that: described upward lamp housing and first and second group fin are integrally formed, form by the alloy aluminium die-casting, second group of fin (12) is parallel to the symmetrical center line of lamp housing, first and second group fin all is interval with ten fin at least, the thickness of each fin is 1～4 millimeter, and centre-height is 5～10 centimetres.
3. a kind of outward radiation LED street lamp according to claim 1, it is characterized in that: described led light source module is flat rectangle or arc structure, be made by the integrated encapsulation of great power LED wafer, and be provided with two faces, one flat luminous and a plane thermal conductive surface, flat luminous the plane thermal conductive surface is connected in by heat-conducting glue to be gone up on the lamp housing lower surface towards light-distribution lens, and the led light source module is provided with power input.
4. a kind of outward radiation LED street lamp according to claim 1 is characterized in that: described reflection shield is made moulding by aluminium book plate or stainless steel mirror board, and the reflection shield middle part forms boss towards Transparent lamp shade, and installing hole is in the boss center.
5. according to claims 1 described a kind of outward radiation LED street lamp, it is characterized in that: described rectification driving governor is a constant current voltage stabilizing driver, constant current voltage stabilizing driver is provided with a power input and a power output end, and power output end connects led light source modular power source input.
6. a kind of outward radiation LED street lamp according to claim 1 is characterized in that: described light-distribution lens is the lens that glass or other transparent materials are made.
7. a kind of outward radiation LED street lamp according to claim 1 is characterized in that: described sealing ring is made by resistant to elevated temperatures rubber or fluoroplastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200392718U CN201251055Y (en) | 2008-08-19 | 2008-08-19 | Externally cooling LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200392718U CN201251055Y (en) | 2008-08-19 | 2008-08-19 | Externally cooling LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251055Y true CN201251055Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200392718U Expired - Fee Related CN201251055Y (en) | 2008-08-19 | 2008-08-19 | Externally cooling LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251055Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984280A (en) * | 2010-12-08 | 2011-03-09 | 赵璧 | Light emitting diode (LED) lamp |
| CN102478180A (en) * | 2010-11-25 | 2012-05-30 | 萨威灯具设计制造(苏州)有限公司 | Wide-range illumination type light emitting diode (LED) street lamp |
| CN102966894A (en) * | 2010-12-19 | 2013-03-13 | 西安智海电力科技有限公司 | Flute photoelectric separated type radiating LED (Light Emitting Diode) pendant lamp with mounting plate |
-
2008
- 2008-08-19 CN CNU2008200392718U patent/CN201251055Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478180A (en) * | 2010-11-25 | 2012-05-30 | 萨威灯具设计制造(苏州)有限公司 | Wide-range illumination type light emitting diode (LED) street lamp |
| CN101984280A (en) * | 2010-12-08 | 2011-03-09 | 赵璧 | Light emitting diode (LED) lamp |
| CN101984280B (en) * | 2010-12-08 | 2012-06-27 | 赵璧 | Light emitting diode (LED) lamp |
| CN102966894A (en) * | 2010-12-19 | 2013-03-13 | 西安智海电力科技有限公司 | Flute photoelectric separated type radiating LED (Light Emitting Diode) pendant lamp with mounting plate |
| CN102966894B (en) * | 2010-12-19 | 2015-06-17 | 西安智海电力科技有限公司 | Flute photoelectric separated type radiating LED (Light Emitting Diode) pendant lamp with mounting plate |
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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: 20120118 |
|
| 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: 20120118 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 |