CN102853295A - Down lamp capable of dissipating heat through convection of inner passage and outer passage - Google Patents
Down lamp capable of dissipating heat through convection of inner passage and outer passage Download PDFInfo
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- CN102853295A CN102853295A CN2012102840476A CN201210284047A CN102853295A CN 102853295 A CN102853295 A CN 102853295A CN 2012102840476 A CN2012102840476 A CN 2012102840476A CN 201210284047 A CN201210284047 A CN 201210284047A CN 102853295 A CN102853295 A CN 102853295A
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- radiator
- heat loss
- convection
- lampshade
- down lamp
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Abstract
The invention relates to a down lamp capable of dissipating heat through convection of an inner passage and an outer passage. The down lamp comprises an electrical appliance module, a radiator, an optical engine and a lampshade, wherein the electrical appliance module is arranged on the top end face of the radiator, and an LED (Light Emitting Diode) control circuit board in the electrical appliance module is electrically connected with the optical engine through a wire; the optical engine is fixedly connected to the bottom end face of the radiator and enables a module lens through hole and an aluminum substrate through hole in the optical engine to be communicated with an inner closed convection heat dissipation passage in the radiator; the section of the optical engine is less than the section of the radiator, so that the peripheral space of the optical engine is communicated with an open outer convection heat dissipation passage of the radiator; an upper open gap of the lampshade is sleeved outside the optical engine and then is fixedly connected with the bottom surface of the radiator; and an outer ring hole is formed between an upper opening of the lampshade and the optical engine and is communicated with the bottom of the open outer convection heat dissipation passage. After the structure is adopted, the down lamp has the characteristics of novel and skillful structure, light weight, low cost and good internal and external convection heat dissipation effect.
Description
Technical field
The present invention relates to LED Down lamp technical field, refer in particular to a kind of Down lamp by the internal and external channel heat loss through convection.
Background technology
Along with the development of lighting engineering, various light fixtures are constantly weeded out the old and bring forth the new.LED Down lamp lighting has been widely applied to a lot of occasions with plurality of advantages such as its energy-saving and environmental protection, and still, how the LED Down lamp better being dispelled the heat becomes the difficult point of LED Down lamp lighting engineering.
Have single radiator or the radiator of employing to add fan in the existing LED down lamp, radiator adds that fan can increase cost, and needs extra power supply; And existing single radiator adopts heat conduction and heat leakage mode to dispel the heat by the contact area that increases fin and extraneous air usually, but, this radiating effect can't solve the tropical island effect of the part heat radiation high temperature of thermal source contact, causes easily heat radiation bad; Also there is the structure that adopts heat loss through convection to come the structure of dispelling the heat by cross-ventilation, but, the radiator of existing convection heat dissipation structure is to adopt some road sealing heat dissipation channels, caloric requirement is dispelled the heat outward by the shell of radiator, and heat is gathered in easily in the heat dissipation channel of sealing and is difficult to reject heat in the air rapidly.In view of this, be necessary to provide a kind of and can save cost, the better cylinder lamp structure of radiating effect.
Summary of the invention
Purpose of the present invention is exactly that a kind of lightweight, Down lamp that can reduce cost, good heat dissipation effect, internal and external channel heat loss through convection is provided for the deficiencies in the prior art part.
For achieving the above object, technical scheme of the present invention is: a kind of Down lamp by the internal and external channel heat loss through convection, and include: electrical equipment module, radiator, light engine and lampshade, electrical equipment module include the LED control circuit board of external power supply;
Radiator mainly by a cylinder cavity and from top to bottom some radiation ribs that are connected to a cavity outside spaced apart form, the both ends of the surface opening of cylinder cavity communicates and forms inside enclosed heat loss through convection passage; Form open outer heat loss through convection passage between the adjacent radiation rib in per two intervals;
Light engine includes module lens, aluminium base and several LED, the center of module lens has the module lens through hole of heat loss through convection, the center of aluminium base has the aluminium base through hole of heat loss through convection, after aluminium base is assemblied on the opening of module lens, the aluminium base through hole is mutually corresponding with the optical lens through hole, and described several LED on the aluminium base are corresponding one by one with several optical lenses respectively;
Lampshade is the loudspeaker opening shape, and the upper shed internal diameter of lampshade greater than light engine cross section external diameter less than radiator cross section external diameter;
After the assembling, the electrical equipment module is installed on the top end face of radiator and the LED control circuit board in the electrical equipment module is electrically connected with light engine by electric wire; Light engine be fixedly connected on radiator bottom face and so that the module lens through hole in the light engine and aluminium base through hole communicate with inside enclosed heat loss through convection passage in the radiator; The cross section of light engine less than the cross section of radiator so that the light engine peripheral space communicate with the open outer heat loss through convection passage of radiator; The upper shed gap of lampshade is enclosed within the outside rear of light engine and is fixedly connected with the bottom surface of radiator, form cycle hole between lampshade upper shed and the light engine, and this cycle hole communicates with the bottom of open outer heat loss through convection passage.
The fixed connection structure of described lampshade and radiator is: the both sides of described lampshade and radiator are folded with respectively left brace and right brace, on the corresponding screw of radiator bottom, left brace and right brace pass through the top screw locking on the corresponding screw of lampshade by the bottom screw locking for left brace and right brace.
Be connected with left U-shaped torsion spring on the described left brace, the U-shaped Extension support card of left U-shaped torsion spring is established and is pressed on lampshade under shed edge; Be connected with right U-shaped torsion spring on the described right brace, the U-shaped Extension support card of right U-shaped torsion spring is established and is pressed on lampshade under shed edge.
The printing opacity outer face of described module lens is planar structure, and one-body molded in the lid shape inner chamber of module lens have several optical lenses.
All by arranging perpendicular to cylinder cavity end face direction, the height of described some radiation ribs is consistent with described cylinder cavity for some radiation ribs in the described radiator, and the two ends of radiation rib are concordant with the both ends of the surface of described cylinder cavity respectively.
Be distributed with some ring seal radiating ribs on the inwall of described inside enclosed heat loss through convection passage.
The top of described a part of radiation rib forms the draw-in groove that the charger module is pegged graft, and the electrical equipment module is plugged on the radiator by this draw-in groove.
The cross section of described electrical equipment module and the cross section of radiator are onesize round-shaped.
Described radiator and light engine are locked together by long spiro nail.
The number of described optical lens is at least 3.
After adopting said structure, the present invention adopts between an inside enclosed heat loss through convection passage of cavity formation and some radiation ribs and forms the inside and outside heat loss through convection of open outer heat loss through convection passage realization; By inside and outside heat loss through convection, can be loose in air by the opening of radiator by inside enclosed heat loss through convection passage the heat that LED light engine mid portion produces, directly be by convection in the air and the heat that LED light engine peripheral part produces is entered open outer heat loss through convection by cycle hole, harmony and the radiating efficiency of heat radiation have greatly been increased, the tropical island effect of avoiding hot-spot to produce; In addition, because the structure of radiator of the present invention can alleviate own wt greatly, save the cost of making radiator material, the present invention directly exposes radiator outside, like this, so that heat radiation is more direct.As from the foregoing, the present invention has the advantages that novel structure is ingenious, lightweight, cost is low, inside and outside heat loss through convection is effective.
Description of drawings
Fig. 1 is the perspective exploded view of the embodiment of the invention;
Fig. 2 is the cross-sectional view of the embodiment of the invention;
Fig. 3 is the perspective view of the embodiment of the invention;
Fig. 4 is the bottom surface structure schematic diagram of the embodiment of the invention;
Fig. 5 is the side structure schematic diagram of the embodiment of the invention;
Fig. 6 is the structural representation of radiator cross section embodiment of the present invention;
Fig. 7 is the structural representation of light engine embodiment of the present invention.
The specific embodiment
Embodiment below in conjunction with accompanying drawing 1-7 is described in further detail:
A kind of Down lamp by the internal and external channel heat loss through convection among the embodiment, include: electrical equipment module 10, radiator 20, light engine 30 and lampshade 40, electrical equipment module 10 include the LED control circuit board 11 of external power supply.
Lampshade 40 is the loudspeaker opening shape, and upper shed 41 internal diameters of lampshade 40 greater than light engine 30 cross section external diameters less than radiator 20 cross section external diameters.
After the assembling, electrical equipment module 10 is installed on the top end face of radiator 20 and the LED control circuit boards 11 in the electrical equipment module 10 are electrically connected with light engine 30 by electric wire, and the inside enclosed heat loss through convection passages 23 that electric wire can pass radiator 20 centres are connected to light engine 30; Light engine 30 be fixedly connected on radiator 20 bottom face and so that the module lens through hole 311 in the light engine 30 and aluminium base through hole 321 communicate with inside enclosed heat loss through convection passage 23 in the radiator 20; The cross section of light engine 30 less than the cross section of radiator 20 so that light engine 30 peripheral spaces communicate with the open outer heat loss through convection passage 24 of radiator 20; The upper shed gap of lampshade 40 is enclosed within the outside rear of light engine 30 and is fixedly connected with the bottom surface of radiator 20, form cycle hole 42 between lampshade 40 upper sheds 41 and the light engine 30, and this cycle hole 42 communicates with the bottom of open outer heat loss through convection passage 24.
The fixed connection structure of described lampshade 40 and radiator 20 is: the both sides of described lampshade 40 and radiator 20 are folded with respectively left brace 51 and right brace 52, left brace 51 and right brace 52 are locked at by 61 on bottom spiral shell on the corresponding screw of radiator 20 bottoms, and left brace 50 and right brace 60 are locked on the corresponding screw of lampshade 40 by top screw 62.
Be connected with left U-shaped torsion spring 71 on the described left brace 51, the U-shaped Extension support card of left U-shaped torsion spring 71 is established and is pressed on lampshade 40 under shed edges; Be connected with right U-shaped torsion spring 72 on the described right brace 52, the U-shaped Extension support card of right U-shaped torsion spring 72 is established and is pressed on lampshade 40 under shed edges.
The printing opacity outer face of described module lens 31 is planar structure, and one-body molded in the lid shape inner chamber of module lens 31 have several optical lenses 312.
All by arranging perpendicular to cylinder cavity 21 end face directions, the height of described some radiation ribs 22 is consistent with described cylinder cavity 21 for some radiation ribs 22 in the described radiator 20, and the two ends of radiation rib 22 are concordant with the both ends of the surface of described cylinder cavity 21 respectively.
Be distributed with some ring seal radiating ribs 25 on the inwall of described inside enclosed heat loss through convection passage 23.
The top of described a part of radiation rib 22 forms the draw-in groove 26 that the charger module is pegged graft, and the inserting column 12 of electrical equipment module 10 bottoms is plugged on the radiator 20 by this draw-in groove 26.
The cross section of the cross section of described electrical equipment module 10 and radiator 20 is onesize round-shaped.
Described radiator 20 is locked together by long spiro nail 80 with light engine 30.
Described several optical lenses 312 are more than 3 or 3.
During use, the embodiment of the invention realizes the inner air and outer air vertical convection by the inside enclosed heat loss through convection passage 23 that cylinder cavity 21 forms, and the heat that LED light engine 30 mid portions are produced is loose in air;
Simultaneously, the heat of the surrounding of light engine 30 enters open outer heat loss through convection passage 24 radiating convections of open outer convection current in air by cycle hole 42, has greatly increased harmony and the radiating efficiency of heat radiation, the tropical island effect of avoiding hot-spot to produce; In addition, because the structure of radiator 20 of the present invention can alleviate own wt greatly, save the cost of making radiator material.
In addition, several some ring seal radiating ribs 25 that distribute on the inside enclosed heat loss through convection passage 23 in the radiator 20 can have been strengthened the effect of heat radiation.
Below only be the specific embodiment of the present invention, do not limit the protection domain of patent of the present invention, the equivalent arrangements that those skilled in the art have done all should be within protection scope of the present invention.
Claims (10)
1. Down lamp by the internal and external channel heat loss through convection, include: electrical equipment module, radiator, light engine and lampshade is characterized in that:
The electrical equipment module includes the LED control circuit board of external power supply;
Radiator mainly by a cylinder cavity and from top to bottom some radiation ribs that are connected to a cavity outside spaced apart form, the both ends of the surface opening of cylinder cavity communicates and forms inside enclosed heat loss through convection passage; Form open outer heat loss through convection passage between the adjacent radiation rib in per two intervals;
Light engine includes module lens, aluminium base and several LED, the center of module lens has the module lens through hole of heat loss through convection, the center of aluminium base has the aluminium base through hole of heat loss through convection, after aluminium base is assemblied on the opening of module lens, the aluminium base through hole is mutually corresponding with the optical lens through hole, and described several LED on the aluminium base are corresponding one by one with several optical lenses respectively;
Lampshade is the loudspeaker opening shape, and the upper shed internal diameter of lampshade greater than light engine cross section external diameter less than radiator cross section external diameter;
After the assembling, the electrical equipment module is installed on the top end face of radiator and the LED control circuit board in the electrical equipment module is electrically connected with light engine by electric wire; Light engine be fixedly connected on radiator bottom face and so that the module lens through hole in the light engine and aluminium base through hole communicate with inside enclosed heat loss through convection passage in the radiator; The cross section of light engine less than the cross section of radiator so that the light engine peripheral space communicate with the open outer heat loss through convection passage of radiator; The upper shed gap of lampshade is enclosed within the outside rear of light engine and is fixedly connected with the bottom surface of radiator, form cycle hole between the upper shed of lampshade and the light engine, and this cycle hole communicates with the bottom of open outer heat loss through convection passage.
2. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1, it is characterized in that: the fixed connection structure of described lampshade and radiator is: the both sides of described lampshade and radiator are folded with respectively left brace and right brace, on the corresponding screw of radiator bottom, left brace and right brace pass through the top screw locking on the corresponding screw of lampshade by the bottom screw locking for left brace and right brace.
3. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 2, it is characterized in that: be connected with left U-shaped torsion spring on the described left brace, the U-shaped Extension support card of left U-shaped torsion spring is established and is pressed on lampshade under shed edge; Be connected with right U-shaped torsion spring on the described right brace, the U-shaped Extension support card of right U-shaped torsion spring is established and is pressed on lampshade under shed edge.
4. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1, it is characterized in that: the printing opacity outer face of described module lens is planar structure, one-body molded in the lid shape inner chamber of module lens have several optical lenses.
5. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1, it is characterized in that: some radiation ribs in the described radiator are all by arranging perpendicular to cylinder cavity end face direction, the height of described some radiation ribs is consistent with described cylinder cavity, and the two ends of radiation rib are concordant with the both ends of the surface of described cylinder cavity respectively.
6. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 5 is characterized in that: be distributed with some ring seal radiating ribs on the inwall of described inside enclosed heat loss through convection passage.
7. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1, it is characterized in that: the top of described a part of radiation rib forms the draw-in groove that the charger module is pegged graft, and the electrical equipment module is plugged on the radiator by this draw-in groove.
8. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1 is characterized in that: the cross section of described electrical equipment module and the cross section of radiator are onesize round-shaped.
9. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1, it is characterized in that: described radiator and light engine are locked together by long spiro nail.
10. a kind of Down lamp by the internal and external channel heat loss through convection according to claim 1, it is characterized in that: the number of described optical lens is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284047.6A CN102853295B (en) | 2012-08-11 | 2012-08-11 | Down lamp capable of dissipating heat through convection of inner passage and outer passage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284047.6A CN102853295B (en) | 2012-08-11 | 2012-08-11 | Down lamp capable of dissipating heat through convection of inner passage and outer passage |
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| CN102853295A true CN102853295A (en) | 2013-01-02 |
| CN102853295B CN102853295B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210284047.6A Active CN102853295B (en) | 2012-08-11 | 2012-08-11 | Down lamp capable of dissipating heat through convection of inner passage and outer passage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954386A (en) * | 2012-12-05 | 2013-03-06 | 东莞勤上光电股份有限公司 | Radiating LED (Light Emitting Diode) module and LED down lamp |
| CN104251476A (en) * | 2013-06-27 | 2014-12-31 | 欧普照明股份有限公司 | LED (light emitting diode) module with vertical convection and heat radiation structure |
| CN104359036A (en) * | 2014-12-01 | 2015-02-18 | 东莞市闻誉实业有限公司 | LED (light emitting diode) lamp with pipeline |
| CN111853619A (en) * | 2019-04-25 | 2020-10-30 | 深圳市海洋王照明工程有限公司 | Nuclear island high ceiling lamp |
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| TW200940881A (en) * | 2008-03-18 | 2009-10-01 | Pan Jit Internat Inc | LED lamp with thermal convection and thermal conduction heat dissipating effect, and heat dissipation module thereof |
| KR100933990B1 (en) * | 2009-05-20 | 2009-12-28 | 주식회사 파인테크닉스 | Led lamp for power saving |
| CN201696900U (en) * | 2010-01-08 | 2011-01-05 | 大连九久光电制造有限公司 | LED tube light |
| CN202132725U (en) * | 2011-02-21 | 2012-02-01 | 南京汉德森科技股份有限公司 | Split type heat dissipation LED down lamp |
| CN202216099U (en) * | 2011-08-26 | 2012-05-09 | 中山市尔全照明有限公司 | Large-power LED down lamp |
| CN202938057U (en) * | 2012-08-11 | 2013-05-15 | 东莞勤上光电股份有限公司 | Tube lamp capable of conducting convection radiating through inner-outer channel |
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2012
- 2012-08-11 CN CN201210284047.6A patent/CN102853295B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200940881A (en) * | 2008-03-18 | 2009-10-01 | Pan Jit Internat Inc | LED lamp with thermal convection and thermal conduction heat dissipating effect, and heat dissipation module thereof |
| KR100933990B1 (en) * | 2009-05-20 | 2009-12-28 | 주식회사 파인테크닉스 | Led lamp for power saving |
| CN201696900U (en) * | 2010-01-08 | 2011-01-05 | 大连九久光电制造有限公司 | LED tube light |
| CN202132725U (en) * | 2011-02-21 | 2012-02-01 | 南京汉德森科技股份有限公司 | Split type heat dissipation LED down lamp |
| CN202216099U (en) * | 2011-08-26 | 2012-05-09 | 中山市尔全照明有限公司 | Large-power LED down lamp |
| CN202938057U (en) * | 2012-08-11 | 2013-05-15 | 东莞勤上光电股份有限公司 | Tube lamp capable of conducting convection radiating through inner-outer channel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954386A (en) * | 2012-12-05 | 2013-03-06 | 东莞勤上光电股份有限公司 | Radiating LED (Light Emitting Diode) module and LED down lamp |
| CN104251476A (en) * | 2013-06-27 | 2014-12-31 | 欧普照明股份有限公司 | LED (light emitting diode) module with vertical convection and heat radiation structure |
| CN104359036A (en) * | 2014-12-01 | 2015-02-18 | 东莞市闻誉实业有限公司 | LED (light emitting diode) lamp with pipeline |
| CN111853619A (en) * | 2019-04-25 | 2020-10-30 | 深圳市海洋王照明工程有限公司 | Nuclear island high ceiling lamp |
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| Publication number | Publication date |
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| CN102853295B (en) | 2014-08-27 |
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Effective date of registration: 20160311 Address after: 523565 Guangdong city of Dongguan province Changping Zhen Heng Jiang Jiang Xia Heng Industrial way KingSun Au Optronics Co set up a file Patentee after: KINGSUN OPTOELECTRONIC CO., LTD. Address before: 523000 Guangdong city of Dongguan province Changping Zhen Heng Jiang set up a file Patentee before: Dongguan Qinshang Photoelectric Co., Ltd. |