CN202955673U - Radiator for light emitting diode (LED) bulb lamp - Google Patents
Radiator for light emitting diode (LED) bulb lamp Download PDFInfo
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- CN202955673U CN202955673U CN2012207382215U CN201220738221U CN202955673U CN 202955673 U CN202955673 U CN 202955673U CN 2012207382215 U CN2012207382215 U CN 2012207382215U CN 201220738221 U CN201220738221 U CN 201220738221U CN 202955673 U CN202955673 U CN 202955673U
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- radiator
- otch
- bulb lamp
- heat
- led bulb
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Abstract
The utility model discloses a radiator for a light emitting diode (LED) bulb lamp. The radiator is made of ceramic material, thereby being high in thermal conductivity, good in insulativity and stability, free from electrical conduction, high voltage-resistant, and capable of guaranteeing the personal safety and the protective capability of the lamp; heat dissipation grooves are formed in a heat dissipation wall of a radiator, so that a contact area between the heat dissipation wall and air can be enlarged, and the heat dissipation can be accelerated; ventilating slots are formed in corresponding positions between a heat guide plate and at least two of the heat dissipation grooves, so that the natural air circulation is formed between the air in the lamp and the air outside the lamp, and therefore, the heat dissipation can be accelerated, and the service life of an LED light source can be prolonged; and a power supply containing chamber is internally provided with third kerfs which correspond to at least two of the ventilating slots, and the third kerfs are communicated with the corresponding ventilating slots, so that the air in the power supply containing chamber can form the air circulation with the external air through the ventilating slots; and therefore, the temperature in the power supply containing chamber can be reduced, and the service life of an LED driver can be prolonged.
Description
Technical field
The utility model relates to the LED lighting field, particularly a kind of radiator of LED bulb lamp.
Background technology
At present, LED light source is long, pollution-free with the life-span, light efficiency high just progressively replace incandescent and fluorescent light, so the LED bulb lamp as light source with LED occurred.The LED bulb lamp generally comprises lamp holder, radiator, lampshade and is fixed on the LED light source on radiator, and heat dissipation problem is the problem of always studying in the LED field of light fittings, and the quality of radiator heat-dissipation effect is directly connected to illumination effect and the life-span of LED bulb lamp.Existing LED bulb lamp heat radiator is generally Aluminium Radiator, and volume is larger, and dielectric strength is poor, has electric leakage hidden danger, and radiating effect need to improve.
Therefore, how to design that a kind of perfect heat-dissipating, high pressure resistant, insulating properties are strong, to use safe LED bulb lamp heat radiator be technical problem urgently to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present utility model is to provide a kind of radiator of LED bulb lamp, is intended to realize that the heat radiation of radiator is quick, high pressure resistant, insulating properties is strong, uses safer.
The utility model proposes a kind of radiator of LED bulb lamp, comprise be placed in upper end for heat-conducting plate that LED light source is installed and with the integrated heat radiation wall of described heat-conducting plate, evenly be provided with some vertical inwardly recessed bar shaped radiating grooves on described heat radiation wall, described radiating groove is evenly distributed around the central shaft of described radiator, wherein at least two interior with mutual corresponding on described heat-conducting plate positions of described radiating groove are provided with and can form cross-ventilated ventilation slot, extraneous air flows to lamp interior from a ventilation slot, the air of lamp interior flows out from another ventilation slot, make to form cross-ventilation between the air of lamp interior and outside air, in light fixture, outside circulation of air, the air flowed out is taken the heat of lamp interior out of, thereby accelerate heat radiation, the temperature of LED light source is remained in normal operating temperature range, extend service life and the service property (quality) of LED light source.
Preferably, described ventilation slot is comprised of the second otch that is arranged on the first otch on described heat-conducting plate and be arranged in described radiating groove, described the first otch and the corresponding connection mutually of described the second otch.
Preferably, in each described radiating groove, with position mutual corresponding on described heat-conducting plate, be equipped with described ventilation slot, described the first otch evenly arranges around the center of described heat-conducting plate.
Preferably, also comprise one by described heat radiation wall and described heat-conducting plate, formed for placing the power supply accommodating cavity of LED driver, position corresponding with at least two described ventilation slots in described power supply accommodating cavity is provided with three cuts, described three cuts communicates with corresponding described ventilation slot, thereby the air in the power supply accommodating cavity can form cross-ventilation by ventilation slot and extraneous air, hot gas in the power supply accommodating cavity is taken out of by moving air, thereby reduce the temperature in the power supply accommodating cavity, LED driver is operated in normal operating temperature range, extend service life and the service property (quality) of LED driver.
Preferably, described power supply accommodating cavity is cylindricality, as cylindrical or vertical prismatic shape.
Preferably, horizontal directly over described the second otch and described three cuts with described the first otch that described the second otch, described three cuts are communicated with, the first otch, the second otch that are connected are identical with the width of three cuts, the first otch be connected, the second otch and three cuts adopt disposable hollow out cutting to form, and production process is simple.
Preferably, rounded, the ellipse of described the first otch or polygon.
Preferably, described the first otch is rectangle or square.
Preferably, described radiator is that ceramic material is made, and heat conductivility is fabulous, and radiating effect excellence, and have good insulating properties and stability is non-conductive, high pressure resistant, can guarantee personal safety and the protective capacities of light fixture.
Preferably, described radiator is all rounded revolving bodies of upper and lower end, the shape of similar Lamp cup, the upper end diameter of described radiator is greater than the lower end diameter of described radiator, described heat radiation wall is the inside recessed surface of revolution from the top down, the bottom of described radiator is the threaded column joint of peripheral hardware, for being connected with lamp holder.
The radiator of LED bulb lamp of the present utility model by arranging radiating groove on the heat radiation wall, and the contact area that makes to dispel the heat between wall and air increases, thereby improve radiating rate; And arrange and can form cross-ventilated ventilation slot by position corresponding between heat-conducting plate and at least two radiating grooves, extraneous air can flow to lamp interior from a ventilation slot, the air of lamp interior flows out from another ventilation slot again, make to form cross-ventilation between the air of lamp interior and outside air, realize the circulation of air of the inside and outside section of light fixture, the air flowed out is taken the heat of lamp interior out of, thereby accelerate heat radiation, the temperature of LED light source is remained in normal operating temperature range, extend the service life of LED light source.
In addition, position corresponding with at least two ventilation slots in the power supply accommodating cavity is provided with three cuts, three cuts communicates with corresponding ventilation slot, thereby the air in the power supply accommodating cavity can form cross-ventilation by ventilation slot and extraneous air, hot gas in the power supply accommodating cavity is taken out of by moving air, thereby reduce the temperature in the power supply accommodating cavity, LED driver is operated in normal operating temperature range, extend the service life of LED driver.
Another beneficial effect of the present utility model is: radiator is that ceramic material is made, the thermal conductivity of ceramic material is not less than 20W/(m*K), heat conductivility is fabulous, and ceramic distinctive capillary structure can accelerate heat radiation, ceramic material itself also has very high infrared emittance, can accelerate heat radiation by heat radiation, the radiating effect excellence, the heat that can fast LED light source be produced conducts, distributes, guarantee that LED light source is luminous in normal operating temperature range, thereby slow down light decay, extend the service life of LED chip; The radiating efficiency of pottery radiating piece processed is several times even tens times of metal-made radiating piece, thereby the volume of the pottery radiating piece processed of equal radiating efficiency is little than the volume of metal-made radiating piece, thereby can reduce the volume and weight of whole lamp.
Pottery radiating piece processed has good insulating properties and stability, and its breakdown voltage is not less than 12KV/mm usually, more than the industrial frequency withstand voltage value can stably reach 2000V, non-conductive, high pressure resistant, the protective capacities that can guarantee personal safety with light fixture.
The accompanying drawing explanation
The front view of radiator in the first embodiment of the radiator that Fig. 1 is the utility model LED bulb lamp;
The stereogram of radiator in the first embodiment of the radiator that Fig. 2 is the utility model LED bulb lamp;
The another stereogram of radiator in the first embodiment of the radiator that Fig. 3 is the utility model LED bulb lamp;
The generalized section of radiator in second and third embodiment of the radiator that Fig. 4 is the utility model LED bulb lamp;
The stereogram of radiator in the 3rd embodiment of the radiator that Fig. 5 is the utility model LED bulb lamp;
The top view of radiator in the 3rd embodiment of the radiator that Fig. 6 is the utility model LED bulb lamp;
The upward view of radiator in the 3rd embodiment of the radiator that Fig. 7 is the utility model LED bulb lamp.
Description of reference numerals: heat-conducting plate 1, heat radiation wall 2, power supply accommodating cavity 3, column joint 4, radiating groove 200, ventilation slot 100, the first otch 101, the second otch 102, three cuts 103, installing hole 104.
The realization of the utility model purpose, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 3, the first embodiment of the radiator of LED bulb lamp of the present utility model is proposed, this radiator is all rounded revolving bodies of upper and lower end, and the upper end round diameter of radiator is greater than the lower end round diameter of radiator, can be arranged to the shape of reversed round bench shaped or similar Lamp cup; In the present embodiment, the sidewall of radiator is the inside recessed surface of revolution from the top down, and the bottom of radiator is the threaded column joint 4 of peripheral hardware, for being connected with lamp holder.
This radiator is that ceramic material is made, the thermal conductivity of ceramic material is not less than 20W/(m*K), heat conductivility is fabulous, and ceramic distinctive capillary structure can accelerate the heat radiation, ceramic material itself also has very high infrared emittance, can accelerate heat radiation by heat radiation, the radiating effect excellence, the heat that can fast LED light source be produced conducts, distributes, and guarantees that LED light source is luminous in normal operating temperature range, thereby slow down light decay, extend the service life of LED chip; The radiating efficiency of pottery radiating piece processed is several times even tens times of metal-made radiating piece, thereby the volume of the pottery radiating piece processed of equal radiating efficiency is little than the volume of metal-made radiating piece, thereby can reduce the volume and weight of whole lamp.
Pottery radiating piece processed has good insulating properties and stability, and its breakdown voltage is not less than 12KV/mm usually, more than the industrial frequency withstand voltage value can stably reach 2000V, non-conductive, high pressure resistant, the protective capacities that can guarantee personal safety with light fixture.
Radiator comprise the heat-conducting plate 1 that is placed in upper end and with the integrated heat radiation wall 2 of heat-conducting plate 1, heat-conducting plate 1 is provided with installing hole 104, for LED light source is installed, after LED light source is installed, 1 laminating of LED light source and heat-conducting plate, the direct contact between LED light source and heat-conducting plate 1, make the heat-transfer rate quickening, the heat that heat-conducting plate 1 can produce LED light source is derived fast, thereby reduces the temperature of LED light source.Heat-conducting plate 1 is rounded, the sidewall that heat radiation wall 2 is radiator, heat radiation wall 2 arranges around the center of circle of heat-conducting plate 1, heat-conducting plate 1 is horizontally placed in heat radiation wall 2, be placed between the heat radiation wall 2 of heat-conducting plate 1 lower surface and heat-conducting plate 1 and be combined to form one for placing the power supply accommodating cavity 3 of LED driver, power supply accommodating cavity 3 is cylindricality, as cylindrical or vertical prismatic shape.Evenly be provided with some vertical inwardly recessed bar shaped radiating grooves 200 on heat radiation wall 2, radiating groove 200 is evenly distributed around the central shaft of radiator, by on heat radiation wall 2, radiating groove 200 being set, the contact area that makes to dispel the heat between wall 2 and air increases, thereby improves radiating rate.
In wherein at least two radiating grooves 200 in all radiating grooves 200 with on heat-conducting plate 1 mutually corresponding position be provided with and can form cross-ventilated ventilation slot 100, ventilation slot 100 forms by being arranged on the first otch 101 on heat-conducting plate 1 and the second otch 102 be arranged in radiating groove 200, the establishing by lampshade the light-source chamber formed and communicate of the first otch 101 and LED light source place, the second otch 102 communicates with the light fixture extraneous air, the first otch 101 and the mutual corresponding connection of the second otch 102, thus make the interior light-source chamber of light fixture and outside circulation of air; Between the first otch 101 and the second otch 102, adopt disposable hollow out cutting to form, production process is simple.The setting of at least two ventilation slots 100, make extraneous air flow to the light-source chamber in light fixture from a ventilation slot 100, air in light-source chamber flows out from another ventilation slot 100 again, thereby form the natural air convection current between the air of lamp interior and outside air, realize the circulation of air of the inside and outside section of light fixture, the air of outflow is taken the heat in light-source chamber out of, thereby accelerates heat radiation, the temperature of LED light source is remained in normal operating temperature range, extend the service life of LED light source.
Each radiating groove 200 interior with mutual corresponding on heat-conducting plate 1 position in the present embodiment are equipped with ventilation slot 100, the first otch 101 and evenly arrange around the center of circle of heat-conducting plate 1, thereby form multiple cross-ventilation, strengthen radiating rate.
The first otch 101 can be made as circle, ellipse or polygon, and in the present embodiment, the first otch 101 is square.
With reference to Fig. 4, on the basis of the first embodiment, the second embodiment of the radiator of LED bulb lamp of the present utility model is proposed, the present embodiment comprises all the elements in the first embodiment, and the position corresponding with two ventilation slots 100 is provided with three cuts 103 in power supply accommodating cavity 3, the central shaft of two three cuts 103 relative radiators is symmetrical arranged, three cuts 103 communicates with corresponding ventilation slot 100, thereby three cuts 103 and corresponding the first otch 101, the second otch 102 is communicated with, with the second otch 102, the first otch 101 that three cuts 103 is communicated with is horizontal directly over the second otch 102 and three cuts 103.The setting of three cuts 103 makes the air in power supply accommodating cavity 3 form cross-ventilation by ventilation slot 100 and extraneous air, hot gas in power supply accommodating cavity 3 is taken out of by moving air, thereby reduce the temperature in power supply accommodating cavity 3, LED driver is operated in normal operating temperature range, extends the service life of LED driver.
The first otch 101, the second otch 102 that are interconnected are identical with the width of three cuts 103, adopt disposable hollow out cutting to form, and production process is simple.
With reference to Fig. 4 to Fig. 7, the 3rd embodiment of the radiator of LED bulb lamp of the present utility model is proposed, the present embodiment and the second embodiment are basic identical, and its main difference is: the number difference of radiating groove 200.In the present embodiment, in wherein two radiating grooves 200 in all radiating grooves 200 with on heat-conducting plate 1 mutually corresponding position be provided with and can form cross-ventilated ventilation slot 100, the central shaft of two ventilation slot 100 relative radiators is symmetrical arranged, and ventilation slot 100 forms by being arranged on the first otch 101 on heat-conducting plate 1 and the second otch 102 be arranged in radiating groove 200; In power supply accommodating cavity 3, the position corresponding with these two ventilation slots 100 is provided with three cuts 103, the three cutses 103 and communicates with corresponding ventilation slot 100, thereby three cuts 103 is communicated with corresponding the first otch 101, the second otch 102.The setting of being rectangle of the first otch 101, the first otch 101 be communicated with the second otch 102, three cuts 103 is horizontal directly over the second otch 102 and three cuts 103.The beneficial effect that the present embodiment and the second embodiment bring is basic identical.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. the radiator of a LED bulb lamp, comprise be placed in upper end for heat-conducting plate that LED light source is installed and with the integrated heat radiation wall of described heat-conducting plate, it is characterized in that, evenly be provided with some vertical inwardly recessed bar shaped radiating grooves on described heat radiation wall, described radiating groove is evenly distributed around the central shaft of described radiator, and wherein at least two interior with mutual corresponding on described heat-conducting plate positions of described radiating groove are provided with and can form cross-ventilated ventilation slot.
2. the radiator of LED bulb lamp according to claim 1, it is characterized in that, described ventilation slot is comprised of the second otch that is arranged on the first otch on described heat-conducting plate and be arranged in described radiating groove, described the first otch and the corresponding connection mutually of described the second otch.
3. the radiator of LED bulb lamp according to claim 2, is characterized in that, in each described radiating groove, with position mutual corresponding on described heat-conducting plate, is equipped with described ventilation slot, and described the first otch evenly arranges around the center of described heat-conducting plate.
4. according to the radiator of the described LED bulb lamp of claim 2 or 3, it is characterized in that, also comprise one by described heat radiation wall and described heat-conducting plate, formed for placing the power supply accommodating cavity of LED driver, position corresponding with at least two described ventilation slots in described power supply accommodating cavity is provided with three cuts, and described three cuts communicates with corresponding described ventilation slot.
5. the radiator of LED bulb lamp according to claim 4, is characterized in that, described power supply accommodating cavity is cylindricality.
6. the radiator of LED bulb lamp according to claim 5, is characterized in that, horizontal directly over described the second otch and described three cuts with described the first otch that described the second otch, described three cuts are communicated with.
7. the radiator of LED bulb lamp according to claim 6, is characterized in that, described the first otch is rounded, ellipse or polygon.
8. the radiator of LED bulb lamp according to claim 7, is characterized in that, described the first otch is rectangle or square.
9. the radiator of LED bulb lamp according to claim 1, is characterized in that, described radiator is that ceramic material is made.
10. according to the radiator of the described LED bulb lamp of claim 1 or 9, it is characterized in that, described radiator is all rounded revolving bodies of upper and lower end, the upper end diameter of described radiator is greater than the lower end diameter of described radiator, described heat radiation wall is the inside recessed surface of revolution from the top down, the bottom of described radiator is the threaded column joint of peripheral hardware, for being connected with lamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207382215U CN202955673U (en) | 2012-12-28 | 2012-12-28 | Radiator for light emitting diode (LED) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207382215U CN202955673U (en) | 2012-12-28 | 2012-12-28 | Radiator for light emitting diode (LED) bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955673U true CN202955673U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207382215U Expired - Fee Related CN202955673U (en) | 2012-12-28 | 2012-12-28 | Radiator for light emitting diode (LED) bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411148A (en) * | 2013-08-15 | 2013-11-27 | 江苏新广联科技股份有限公司 | LED (Light Emitting Diode) bulb lamp component |
| CN103742885A (en) * | 2013-12-23 | 2014-04-23 | 上海欣丰电子有限公司 | Light-emitting diode (LED) lamp heat conduction structure |
-
2012
- 2012-12-28 CN CN2012207382215U patent/CN202955673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411148A (en) * | 2013-08-15 | 2013-11-27 | 江苏新广联科技股份有限公司 | LED (Light Emitting Diode) bulb lamp component |
| CN103742885A (en) * | 2013-12-23 | 2014-04-23 | 上海欣丰电子有限公司 | Light-emitting diode (LED) lamp heat conduction structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |