CN103335290A - Radiator for LED (light-emitting diode) bulb lamp - Google Patents
Radiator for LED (light-emitting diode) bulb lamp Download PDFInfo
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- CN103335290A CN103335290A CN2013102499081A CN201310249908A CN103335290A CN 103335290 A CN103335290 A CN 103335290A CN 2013102499081 A CN2013102499081 A CN 2013102499081A CN 201310249908 A CN201310249908 A CN 201310249908A CN 103335290 A CN103335290 A CN 103335290A
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- radiating fin
- bulb lamp
- heat radiator
- radiator body
- radiator
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Abstract
The invention discloses a radiator for an LED (light-emitting diode) bulb lamp. The radiator comprises a plurality of radiating fins, a radiation body, ventilating slots and a rib plate, wherein the radiation body has a hollow cylindrical structure of which the two ends are sealed through a top plate and a bottom plate; mounting holes are formed in the sealing bottom plate; the rib plate is arranged in the hollow cylindrical structure; each radiating fin has a bent thin plate structure of which the radius is gradually decreased from the top to the bottom of the radiation body; the ventilating slots are formed in the front and back surfaces of the radiating fins at intervals, and are uniformly distributed in the two surfaces of thin plates of the radiating fins in a staggered way; lampshade mounting grooves are formed in the top ends of the radiating fins; and threads are formed on the mounting grooves. According to the radiator, the rib plate is additionally arranged in the radiation body, and meanwhile, the wall of a cavity is thinned, so that heat in the cavity can be rapidly dissipated; and in addition, the slots are formed in the front and back surfaces of the radiating fins, so that a radiation area is enlarged on the basis of no influence on the strength of the rib plate.
Description
Technical field
The present invention relates to a kind of LED radiator, particularly relate to a kind of radiator for the LED bulb lamp, belong to the LED lighting technical field.
Background technology
LED as the 4th generation lighting source, have characteristics such as energy-saving and environmental protection, the life-span is long, volume is little, and do not have ultraviolet ray and infrared ray in the LED spectrum, heat is low and do not have stroboscopic, radiationless, and discarded object is recyclable, does not pollute, do not contain characteristics such as mercury element, belong to typical green illumination light source.More and more nervous along with global energy, and to the more and more attention of environmental protection, led light source replacement progressively conventional light source, the trend that becomes light source of new generation is arranged.But cost must enter into consideration and the needs of moulding for the heat dissipation design of LED light fixture, and this has limited heat dissipation design.So cost and heat radiation become the development of restriction LED light fixture always.The LED bulb lamp is a kind of in the LED light fixture, all applies to general lighting usually, and it generally all utilizes the free convection at the radiator position of light fixture to dispel the heat, so the heat radiation quality of radiator has determined the service life of LED bulb lamp.
Summary of the invention
The objective of the invention is under the situation that keeps a kind of radiator good heat radiating for the LED bulb lamp, to save the material of radiator, reduce manufacturing cost as far as possible.
Realization of the present invention is finished by following technological means:
A kind of radiator for the LED bulb lamp comprises radiating fin and heat radiator body; The radiator that should be used for the LED bulb lamp also comprises ventilation slot and gusset; Described heat radiator body is the cylinder hollow structure, and cylinder hollow structure two ends are by top board and base plate sealing; Base plate in sealing is provided with installing hole, is provided with gusset in the cylinder hollow structure; Radiating fin is a plurality of, and radiating fin is for being the bending thin-slab structure that radius reduces gradually to the bottom along the heat radiator body top; A plurality of radiating fins circumferentially evenly at interval arrange along heat radiator body, and spacing therebetween is that the girth of heat radiator body is divided by the fin number; The tow sides on the surface of radiating fin at interval be provided with ventilation slot, ventilation slot staggers on the two sides of radiating fin thin plate and evenly distributes, the distance between first ventilation slot and the heat radiator body edge be 4 ?8mm, be separated by between all the other two ventilation slots 6 ?12mm; Offer the lampshade mounting groove on the radiating fin top, mounting groove is provided with screw thread.
Preferably, the degree of depth of described ventilation slot be 0.2 ?0.5mm.The groove width of described ventilation slot be 1 ?3mm.The diameter range on described radiating fin top is 3 times of heat radiator body.Described gusset has many, and an end of many gussets links together, and the other end is connected with cylinder hollow inner structural wall top and bottom respectively, or an end of many gussets links together, and the other end is connected with inwall with cylinder hollow structure base plate respectively.
The carrier of the outside radiating fin of heat radiator body of the present invention, heat at first passes on the heat radiator body, is passed on the radiating fin by body then, and most heats that last LED produces are shed through free convection in air by radiating fin.The heat radiator body cavity almost becomes enclosure space after light fixture encapsulates, if and the heat in the cavity can not distribute quickly, can influence the heat radiation of the integral body of light fixture so, therefore add gusset in the cavity again, because adding of gusset, the cavity wall of heat radiator body can be thinner than the ordinary lamp and lantern, and this two aspects comprehensive function can make the heat in the cavity transmit out fast.Radiating fin is in the heat radiator body outer surface, be by low side to the little crooked laminated structure of lamp tail place's gradual change, tow sides fluting at interval on the surface of fin, when increasing area of dissipation, can save material again, simultaneously according to the field synergistic principle, open with vertical Cao of heat radiator body and more be conducive to heat radiation than Cao parallel with body.
Beneficial effect of the present invention is: owing to add gusset in heat radiator body, attenuate cavity wall thickness can transmit the heat in the cavity out fast simultaneously; Be recessed on the intensity based that does not influence gusset at positive and negative on the radiating fin simultaneously, increased area of dissipation, under this comprehensive function aspect two, make the present invention when reaching the same radiating effect with general LED bulb lamp, more save material.
Description of drawings
Fig. 1 is the structural representation of this practical a kind of radiator for the LED bulb lamp;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the front view of Fig. 1;
Fig. 4 be Fig. 3 A ?A to cutaway view.
Shown in the figure: mounting groove 1, ventilation slot 2, radiating fin 3, gusset 4, installing hole 5 and heat radiator body 6.
The specific embodiment
For understanding the present invention better, the present invention is further illustrated below in conjunction with accompanying drawing, but embodiments of the present invention are not limited thereto.
A kind of radiator for the LED bulb lamp comprises radiating fin 3, ventilation slot 2, gusset 4 and heat radiator body 6; Heat radiator body 6 is the cylinder hollow structure, and cylinder hollow structure two ends are by top board and base plate sealing; Base plate in sealing is provided with installing hole 5, is used for installing and fixing between heat-radiating substrate and the radiator; The cylinder hollow structure is provided with gusset 4, gusset 4 has many, and an end of many gussets 4 links together, and the other end is connected with cylinder hollow inner structural wall upper and lower side respectively, or an end of many gussets 4 links together, and the other end is connected with inwall with cylinder hollow structure base plate respectively; Because adding of gusset 4, the cavity wall of heat radiator body 6 can be conducive to dispel the heat by the cylinder hollow structure than the wall thickness of ordinary lamp and lantern.Radiating fin 3 is a plurality of, and radiating fin 3 is for being the bending thin-slab structure that radius reduces gradually to the bottom along heat radiator body 6 tops; A plurality of radiating fins 3 arrange at interval evenly circumferentially that along heat radiator body 6 radiating fin evenly distributes along heat radiator body one circle, and spacing is that the heat radiator body girth is divided by the fin number therebetween; The tow sides on the surface of radiating fin 3 at interval be provided with ventilation slot 2, ventilation slot 2 staggers on the two sides of radiating fin 3 thin plates and evenly distributes, distance between first ventilation slot and heat radiator body 6 edges be 4 ?8mm, be separated by between all the other two ventilation slots 6 ?12mm; Radiating fin need have certain intensity, so the degree of depth of ventilation slot should not surpass 0.5mm, be preferably 0.2 ?0.5mm; Offering ventilation slot effectively increases area of dissipation, so in the degree of depth one regularly, the area of dissipation of the more wide increase of ventilation slot is more big, for heat spreader structures has certain intensity, the groove width of ventilation slot should not surpass 3mm, is preferably 1 ?3mm.Adding when being located at the increase area of dissipation of ventilation slot can be saved material again.Offer lampshade mounting groove 1 on radiating fin 3 tops, mounting groove 1 is provided with screw thread, and lampshade can directly be screwed on the mounting groove, and such space in the lampshade that is arranged so that links to each other with the external world by the space between the fin, strengthened cross-ventilation, this is conducive to shedding of the interior heat of lampshade.The diameter on radiating fin 3 tops is 3 times of heat radiator body diameter.
Preferably, a kind of radiating fin 3 and heat radiator body 6 of the radiator for the LED bulb lamp are disposal molding.
Be conducive to attenuate heat radiator body 6 and be the wall thickness of cylinder hollow structure owing in heat radiator body 6, add gusset 4, also help by gusset and heat is delivered on the thin heat radiator body 6 as early as possible, thereby can transmit the heat in the cavity out fast; Simultaneously positive and negative is provided with ventilation slot on radiating fin, on the intensity based that does not influence radiating fin 3, has increased area of dissipation, under this comprehensive function aspect two, makes the present invention in more general LED bulb lamp better heat-radiation effect, and saves material more.
Claims (5)
1. a radiator that is used for the LED bulb lamp comprises radiating fin and heat radiator body; It is characterized in that: this a kind of radiator for the LED bulb lamp also comprises ventilation slot and gusset; Described heat radiator body is the cylinder hollow structure, and cylinder hollow structure two ends are by top board and base plate sealing; Base plate in sealing is provided with installing hole, is provided with gusset in the cylinder hollow structure; Radiating fin is a plurality of, and radiating fin is for being the bending thin-slab structure that radius reduces gradually to the bottom along the heat radiator body top; A plurality of radiating fins circumferentially evenly at interval arrange along heat radiator body, and spacing therebetween is that the girth of heat radiator body is divided by the fin number; The tow sides on the surface of radiating fin at interval be provided with ventilation slot, ventilation slot staggers on the two sides of radiating fin thin plate and evenly distributes, the distance between first ventilation slot and the heat radiator body edge be 4 ?8mm, be separated by between all the other two ventilation slots 6 ?12mm; Offer the lampshade mounting groove on the radiating fin top, mounting groove is provided with screw thread.
2. a kind of radiator for the LED bulb lamp according to claim 1 is characterized in that: the degree of depth of described ventilation slot be 0.2 ?0.5mm.
3. a kind of radiator for the LED bulb lamp according to claim 1 is characterized in that: the groove width of described ventilation slot be 1 ?3mm.
4. a kind of radiator for the LED bulb lamp according to claim 1, it is characterized in that: the diameter range on described radiating fin top is 3 times of heat radiator body.
5. a kind of radiator for the LED bulb lamp according to claim 1, it is characterized in that: described gusset has many, one end of many gussets links together, the other end is connected with cylinder hollow inner structural wall top and bottom respectively, or an end of many gussets links together, and the other end is connected with inwall with cylinder hollow structure base plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249908.1A CN103335290B (en) | 2013-06-21 | 2013-06-21 | A kind of radiator for LEDbulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249908.1A CN103335290B (en) | 2013-06-21 | 2013-06-21 | A kind of radiator for LEDbulb lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335290A true CN103335290A (en) | 2013-10-02 |
| CN103335290B CN103335290B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310249908.1A Expired - Fee Related CN103335290B (en) | 2013-06-21 | 2013-06-21 | A kind of radiator for LEDbulb lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570850A (en) * | 2016-01-28 | 2016-05-11 | 太仓市高泰机械有限公司 | LED heat sink |
| CN105588088A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Radiator for LED working condition lamp |
| CN105588086A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Efficient LED radiator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004104112A (en) * | 2002-09-10 | 2004-04-02 | Hewlett-Packard Development Co Lp | Passive cooling device |
| CN202791900U (en) * | 2012-07-31 | 2013-03-13 | 兴安（晋江）光电科技有限责任公司 | Light-emitting diode (LED) bulb lamp radiator |
| CN202927797U (en) * | 2012-11-22 | 2013-05-08 | 天津海宇光电科技有限公司 | Heat sink structure for LED (light-emitting diode) industrial and mine lamps |
| CN202938266U (en) * | 2012-10-26 | 2013-05-15 | 惠州市经典照明电器有限公司 | Radiator for LED lamps |
| CN203336545U (en) * | 2013-06-21 | 2013-12-11 | 华南理工大学 | LED bulb lamp heat radiator |
-
2013
- 2013-06-21 CN CN201310249908.1A patent/CN103335290B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004104112A (en) * | 2002-09-10 | 2004-04-02 | Hewlett-Packard Development Co Lp | Passive cooling device |
| CN202791900U (en) * | 2012-07-31 | 2013-03-13 | 兴安（晋江）光电科技有限责任公司 | Light-emitting diode (LED) bulb lamp radiator |
| CN202938266U (en) * | 2012-10-26 | 2013-05-15 | 惠州市经典照明电器有限公司 | Radiator for LED lamps |
| CN202927797U (en) * | 2012-11-22 | 2013-05-08 | 天津海宇光电科技有限公司 | Heat sink structure for LED (light-emitting diode) industrial and mine lamps |
| CN203336545U (en) * | 2013-06-21 | 2013-12-11 | 华南理工大学 | LED bulb lamp heat radiator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570850A (en) * | 2016-01-28 | 2016-05-11 | 太仓市高泰机械有限公司 | LED heat sink |
| CN105588088A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Radiator for LED working condition lamp |
| CN105588086A (en) * | 2016-01-28 | 2016-05-18 | 太仓市高泰机械有限公司 | Efficient LED radiator |
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| CN103335290B (en) | 2015-12-02 |
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