CN202884571U - Convection heat dissipation light emitting diode (LED) bulb lamp - Google Patents
Convection heat dissipation light emitting diode (LED) bulb lamp Download PDFInfo
- Publication number
- CN202884571U CN202884571U CN2012205286463U CN201220528646U CN202884571U CN 202884571 U CN202884571 U CN 202884571U CN 2012205286463 U CN2012205286463 U CN 2012205286463U CN 201220528646 U CN201220528646 U CN 201220528646U CN 202884571 U CN202884571 U CN 202884571U
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- convector radiator
- convection
- bulb lamp
- led
- radiator
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a light emitting diode (LED) bulb related to heat dissipation. A convection heat dissipation LED bulb lamp comprises a convector radiator, a lamp seat, an LED light source component, a lamp shade and a power driving device. The convector radiator is cylindrical, wherein the diameter of the top end of the convector radiator is larger than the diameter of the bottom end of the convector radiator. The lateral wall of the convector radiator protrudes outward and is of a camber structure. A cylindrical power driving chamber used for containing the power driving device is arranged in the convector radiator. A top platform used for bearing an aluminum substrate of the LED light source component is arranged at the top end of the convector radiator in an integral mode. An outer layer convection groove is arranged below an aluminum substrate of the convector radiator, wherein the outer layer convection groove is parallel to the aluminum substrate of the convector radiator. An inner layer convection groove is formed in the lateral wall, corresponding to the power driving chamber, of the convector radiator. The inner layer convection groove is communicated with the power driving chamber. According to the convection heat dissipation LED bulb lamp, due to the design that the outer layer convection groove and the inner layer convection groove are combined with fins and same air channels, air convection application of a radiator body of the convector radiator is effectively improved, heat dissipation effect is improved, the service life of the convector radiator is effectively prolonged, and the appearance is attractive.
Description
Technical field
The utility model relates to a kind of LED lighting, refers more particularly to a kind of LED ball bubble that utilizes heat loss through convection.
Background technology
Lamp is the greatly invention that the mankind conquer night, and before the Edison invented electric lights in 1879, the illuminations that people generally use is kerosene lamp or gas lamp.After through nineteen fifty-nine Halogen lamp LED, high-pressure mercury lamp in 1961, metal halide lamp in 1962, first LED lamp (redness) in 1969, green LED lamp in 1976, nineteen eighty-three after fluorescent lamp, blue led in 1993, white led lamps in 1999, LED in 2000 are applied to a series of like this invention of room lighting, LED has entered into huge numbers of families.
In order to respond the appealing of global energy-conserving and environment-protective, Australia, Canada, Taiwan, the U.S., Vietnam, EU countries, Japan, Korea S, China etc. have all write order-paper to the use of superseded incandescent lamp, and great dynamics is promoted the LED electricity-saving lamp on the national policy aspect.The LED ball steeps apparent size, and also mounting means is all identical with conventional incandescent, and luminous efficiency height, energy-conserving and environment-protective, long service life, for truly the 4th generation the green illumination light product-derived.
Existing market main flow LED ball steeps most profile, the interface aspect is suitable with conventional lamp, uses alumina-bearing material to satisfy the heat energy heat radiation needs that produced when LED works as far as possible.
Heat transmission has three kinds of modes: conduction, convection current and radiation; Generally speaking, three kinds of modes of heat transmission are carried out often simultaneously.In order to solve heat dissipation problem, in existing LED ball bubble structure, led chip is welded on the PCB circuit board, described pcb board bottom connects radiator, the general structure that adopts with radiating fin of radiator, described radiator bottom directly connects the lamp holder of LED bulb lamp, and in airtight space of the inner formation of PCB circuit board, lamp holder and radiator, the LED bulb lamp mainly relies on this airtight space to dispel the heat.This radiating mode can't be realized heat loss through convection, heat can only flow in airtight space, by radiating fin and the extraneous transfer that carries out heat, because there not being cross-ventilation to occur, high temperature on the radiating fin can't accelerate to disperse and can not take the LED bulb lamp out of by very fast quilt, so that the inner long-term higher temperature that keeps of LED bulb lamp, the life-span is shorter.
The utility model content
For for above deficiency, but the utility model discloses a kind of convection model LED ball bubble, but this bulb lamp is provided with the air duct of open convection current, by this air duct the heat of LED ball bubble convector radiator inside and outside air is carried out exchange heat, realizes rapidly heat radiation.
For achieving the above object, the utility model is achieved through the following technical solutions:
But a kind of LED bulb lamp of convection model, comprise convector radiator, lamp socket, the led light source assembly, lampshade, power drives, described convector radiator is top end diameter greater than the cylindricality of low side diameter, its sidewall is outwardly globoidal structure, in be provided with the power drives chamber that is column type of accommodating described power drives, the integrated top platform that is provided with the described led light source assembly aluminium base of carrying in top, it is characterized in that: described convector radiator aluminium base below is provided with the parallel plane skin of aluminium base chute, offer internal layer to chute on convector radiator sidewall corresponding to described power drives chamber, described internal layer communicates with the power drives chamber to chute.
Preferably, described outer convection current slot pitch top platform is installed the aluminium base 7mm of place, internal layer convection current slot pitch power supply room top 3mm.
Preferably, described outer convection current slot pitch and internal layer are 2mm to the chute height.
For better distribute heat, realize the circulation of air, integrated staggered sample air passageway and the arc radiating fin such as be provided with on the described convector radiator sidewall.
For increasing heat radiation area further, described arc radiating fin axially arranges along convector radiator with waiting sample air passageway.
Preferably, described lampshade is PC frosted cover.
In order to prevent that effectively dazzle from occuring, described lampshade inwall is provided with the diffusion oil reservoir.
Further, described diffusing oil layer thickness is 0.03mm.
In order better to realize allowing convector radiator better be connected with lampshade by radiating effect, described convector radiator top sidewall is provided with external screw thread, and the lampshade bottom inwall is provided with internal thread, and described convector radiator and described lampshade are threaded connection.
Inner and affect ball and steep whole light efficiency in order to stop in the air microwave dust to enter frosted PC cover, described convector radiator top is provided with reflexed light film.
The beneficial effects of the utility model are: by skin chute and internal layer are combined radiating fin and the design that waits sample air passageway to chute, Effective Raise the convector radiator radiator to cross-ventilated application, improved radiating effect, and then effectively increased convector radiator service life, reasonable integral structure, handsome in appearance.
Figure of description
Fig. 1 is the LED ball bulb lamp structure schematic diagram of heat loss through convection described in the utility model;
Fig. 2 is the LED bulb lamp cutaway view of heat loss through convection described in the utility model;
Fig. 3 is the LED bulb lamp convector radiator top view of heat loss through convection described in the utility model;
Fig. 4 is the LED bulb lamp convector radiator front view of heat loss through convection described in the utility model;
Fig. 5 is the LED bulb lamp convector radiator cutaway view of heat loss through convection described in the utility model;
Wherein: 1-convector radiator, 2-frosted PC cover, 3-LED light source assembly, 4-aluminium base, 5-reflective membrane, 6-power drives, 7-lamp socket, 11-power drives chamber, 12-top platform, the 13-skin is to chute, the 14-internal layer is to chute, 15-air passageway, 16-arc radiating fin, 17-reflective membrane position.
The specific embodiment
Below in conjunction with specific embodiments the utility model is further specified by Figure of description, it should be noted that, the inside can relate to the concrete quantity of some parts, just as the preferred embodiment of the utility model, the utility model is not caused any restriction.
As shown in Figure 1, 2, a kind of LED bulb lamp of heat loss through convection comprises: 1 convector radiator 1, the led light source assembly 3 of 2,5 great power LEDs compositions of frosted PC cover, 1 aluminium base 4,1 reflective membrane 5,1 block power supply drive 6,1 lamp sockets 7,3 gram conduction estersils.
Shown in Fig. 2～5, convector radiator 1 is top end diameter greater than the cylindricality of bottom diameter, its sidewall is outwardly globoidal structure, be provided with the power drives chamber 11 that is column type of accommodating described power drives 6 in the convector radiator 1, the integrated top platform 12 that is provided with the described aluminium base 4 of carrying and led light source assembly 3 in top, the 7mm place is provided with the parallel plane skin of aluminium base chute 13 below top platform 12, on convector radiator 1 sidewall of power drives chamber 11 correspondences, the 3mm place offers internal layer to chute 14 apart from 11 top, power drives chamber, wherein internal layer connects mutually to chute 14 and power drives chamber 11, and skin is 2mm to chute and internal layer to the chute height.
Axially integrated interlocking be provided with 6 sample air passageways 15 such as grade and 6 arc radiating fins 16 along convector radiator 1 on the sidewall of convector radiator 1, convector radiator top platform 12 margin locations are provided with the 5mm external screw thread.
Wherein, optical grade frosted PC cover 3 is the frosted PC cover of φ 60mm for specification, and section's spray 0.03mm diffusing oil prevents that effectively dazzle from occuring, and it is the 5mm internal thread that frosted PC covers 2 installing port positions, suitable with convector radiator 1.
But the described convection model LED of present embodiment ball steeps concrete installation can be in the following way, and power drives 1 is fixed on first lamp socket 7 inside, again power drives 1 is fixed in convector radiator 1 bottom together with lamp socket 7; Led light source assembly 3 is installed in aluminium base 4 upper sides and is electrically connected with power drives 1, downside is smeared conduction estersil, be fixed in heat loss through convection body 1 top top platform 12, top platform 12 fixedly aluminium base outer ring is the reflective membrane position, 17 paste high reflectance reflective membrane 5 in the reflective membrane position, it is inner and affect ball and steep whole light efficiency to stop in the air microwave dust to enter frosted PC cover 2, through light confirm normal operation after with frosted PC cover 2 screw-in radiator screw threads.
As shown in Figure 2, outer cold air carries out heat exchange to chute 13, air passageway 15 with the external world through convector radiator 1 skin during the work of LED ball bubble, is combined into the first set convection model; Another set of convection model is that cold air carries out heat exchange through the radiator internal layer to chute 14, power drives chamber 11, lamp socket 7 convection holes and the external world, is combined into the second cover convection model.The two cover convection models that arrange on the convector radiator of the present utility model by LED bulb lamp and traditional LED bulb lamp junction temperature straight line descend 8 spend more than.
Although described by reference to the accompanying drawings embodiment of the present utility model; but those skilled in the art can make various distortion or modification within appended claim scope; as long as be no more than the scope of the utility model claim protection, all should be considered as within the protection domain of the present utility model.
Claims (10)
1. the LED bulb lamp of a heat loss through convection, comprise convector radiator, lamp socket, the led light source assembly, lampshade, power drives, described convector radiator is top end diameter greater than the cylindricality of bottom diameter, its sidewall is outwardly globoidal structure, in be provided with the power drives chamber of the column type of accommodating described power drives, the integrated top platform that is provided with the described led light source assembly of carrying and aluminium base in top, it is characterized in that: described convector radiator top platform below is provided with the parallel plane skin of aluminium base chute, offer internal layer to chute on convector radiator sidewall corresponding to described power drives chamber, described internal layer communicates with the power drives chamber to chute.
2. the LED bulb lamp of heat loss through convection according to claim 1 is characterized in that: the described outer convection current slot pitch top platform installation aluminium base 7mm of place, internal layer convection current slot pitch power supply room top 3mm.
3. the LED bulb lamp of heat loss through convection according to claim 2, it is characterized in that: described outer convection current slot pitch and internal layer all are 2mm to the chute height.
4. the LED bulb lamp of heat loss through convection according to claim 1 is characterized in that: integrated staggered sample air passageway and the arc radiating fin such as be provided with on the described convector radiator sidewall.
5. the LED bulb lamp of heat loss through convection according to claim 4 is characterized in that: described arc radiating fin axially arranges along convector radiator with waiting sample air passageway.
6. the LED bulb lamp of heat loss through convection according to claim 1, it is characterized in that: described lampshade is PC frosted cover.
7. the LED bulb lamp of heat loss through convection according to claim 6, it is characterized in that: described lampshade inwall is provided with the diffusion oil reservoir.
8. the LED bulb lamp of heat loss through convection according to claim 7, it is characterized in that: described diffusing oil layer thickness is 0.03mm.
9. the LED bulb lamp of heat loss through convection according to claim 1, it is characterized in that: described convector radiator and described lampshade are threaded connection.
10. the LED bulb lamp of heat loss through convection according to claim 1, it is characterized in that: described convector radiator top is provided with reflexed light film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205286463U CN202884571U (en) | 2012-10-16 | 2012-10-16 | Convection heat dissipation light emitting diode (LED) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205286463U CN202884571U (en) | 2012-10-16 | 2012-10-16 | Convection heat dissipation light emitting diode (LED) bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884571U true CN202884571U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205286463U Expired - Fee Related CN202884571U (en) | 2012-10-16 | 2012-10-16 | Convection heat dissipation light emitting diode (LED) bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989968A (en) * | 2015-06-25 | 2015-10-21 | 吴静 | LED bulb good in sealing performance |
| CN106931326A (en) * | 2017-04-24 | 2017-07-07 | 宁波力品格相变照明有限公司 | One kind is integrally formed microflute group's radiating solid phosphor LED lamp |
-
2012
- 2012-10-16 CN CN2012205286463U patent/CN202884571U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989968A (en) * | 2015-06-25 | 2015-10-21 | 吴静 | LED bulb good in sealing performance |
| CN106931326A (en) * | 2017-04-24 | 2017-07-07 | 宁波力品格相变照明有限公司 | One kind is integrally formed microflute group's radiating solid phosphor LED lamp |
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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: 20130417 Termination date: 20141016 |
|
| EXPY | Termination of patent right or utility model |