CN202118590U - LED (light-emitting diode) lamp bulb - Google Patents
LED (light-emitting diode) lamp bulb Download PDFInfo
- Publication number
- CN202118590U CN202118590U CN2011201770034U CN201120177003U CN202118590U CN 202118590 U CN202118590 U CN 202118590U CN 2011201770034 U CN2011201770034 U CN 2011201770034U CN 201120177003 U CN201120177003 U CN 201120177003U CN 202118590 U CN202118590 U CN 202118590U
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- Prior art keywords
- led bulb
- fixed
- heat
- radiating fin
- heat radiation
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides an LED (light-emitting diode) lamp bulb which comprises a lamp shade, a light emitting module, a tray, a heat sink, a plastic base and a lamp holder, wherein the lamp shade is fixed on the tray; the light emitting module is arranged on the tray; the tray is fixed on the heat sink which is fixed on the plastic base; the lamp holder is fixed at the bottom of the plastic base; the heat sink comprises a housing and a heat dissipation cup; the heat dissipation cup is provided with a heat dissipation fin; the housing surrounds the heat dissipation cup and is connected with the heat dissipation fin; and a heat dissipation channel with air vent at the upper and the lower sides is formed by the heat dissipation cup and the housing in a surrounding way. The LED lamp bulb dissipates heat by adopting two modes of heat conduction and air convection; and the air convection can rapidly take away the heat of the heat dissipation cup, thereby reducing the internal temperature of the LED lamp bulb and having good heat dissipation effect.
Description
Technical field
The utility model relates to a kind of LED light fixture, relates in particular to a kind of LED bulb with radiator structure.
Background technology
LED (light emitting diode) has been known as the environment-friendly type high-tech light source of a new generation because of the advantage that it is energy-efficient, safe and reliable, the life-span is long by the whole world.But the LED light fixture is had relatively high expectations to heat radiation, and the bad meeting of dispelling the heat directly influences the life-span and the light efficiency of light fixture.The radiator structure of now commercially available LED bulb only adopts the pattern of vane heat dissipating to dispel the heat mostly, but this radiating mode only conducts heat in the air through heat conducting mode, is difficult to satisfy the radiating requirements of LED bulb.The area of dissipation that the LED bulb that has increases radiator structure as much as possible strengthens radiating effect, but has increased the overall volume and the production cost of LED bulb like this.
Summary of the invention
The utility model provides a kind of LED bulb for solving the heat dissipation problem of LED bulb.
The utility model provides a kind of LED bulb, comprises lampshade, light emitting module, pallet, radiator, plastic cement base and lamp holder, and said lampshade is fixed on the pallet; Said light emitting module is installed on the pallet, and said pallet is fixed on the radiator, and said radiator is fixed on the plastic cement base; Said lamp holder is fixed on plastic cement base bottom; Said radiator comprises shell and heat radiation cup, and said heat radiation cup is provided with radiating fin, and said housing ring is on the heat radiation cup; And be connected with radiating fin, said heat radiation cup and shell surround the heat dissipation channel that air vent is arranged up and down.
Further, said radiating fin is connected with shell and extends shell.
Further, said heat radiation cup comprises that a portion and radiating fin, said radiating fin are located on the outer wall of a portion, and the upper surface of said shell and radiating fin has an intersegmental distance, to form the air vent of heat dissipation channel.
Further, the upper surface of said radiating fin has an inclination angle with plane, tube portion top.
Further, said radiating fin is a plurality of, and equidistantly arranges along heat radiation cup outer wall.
Further, said light emitting module comprises circuit board and LED lamp source, and said LED lamp source is fixed on the circuit board.
Further, the outer wall of said lampshade openend is provided with projection, and said pallet is provided with and the corresponding breach of projection, and said projection is arranged in said breach lampshade is fixed on the pallet.
Further, the outer wall of said plastic cement base is provided with projection, and said heat radiation cup is provided with cavity, and the inwall of said cavity is provided with and the corresponding groove of said projection, and said plastic cement base is installed in the cavity of heat radiation cup, and said projection is arranged in said groove.
Further, also comprise driver module, said plastic cement base is provided with cavity, and said driver module is fixed in the cavity of plastic cement base, and said driver module is electrically connected with light emitting module.
Further, said radiator is the one die cast.
Compared with prior art, the utlity model has following useful effect: during the work of LED bulb, the heat that led light source produces, the radiating fin through the heat radiation cup is transmitted in the air on the one hand; On the other hand; Be distributed with heat dissipation channel around the heat radiation cup, when the temperature of heat radiation cup raise, the air in the heat dissipation channel was heated to rise and sheds from the passway; And the lower air of external temperature replenishes the entering heat dissipation channel from another passway; Thereby realize the convection current of heat radiation cup inner air and heat radiation cup extraneous air, the heat of the cup that will dispel the heat is fast taken away, and reduces LED bulb internal temperature.
The utility model LED bulb adopts heat conduction and cross-ventilation dual mode to dispel the heat, and the area of dissipation that need not roll up radiator structure just can reach better heat radiating effect, and radiating efficiency is higher.
Description of drawings
Fig. 1 is the overall structure figure of present embodiment LED bulb.
Fig. 2 is the explosive view of present embodiment LED bulb.
Fig. 3 is the profile of present embodiment LED bulb.
Fig. 4 is the fundamental diagram of present embodiment LED bulb.
The specific embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Like Fig. 1, Fig. 2 and shown in Figure 3; Present embodiment provides the bulb of a kind of LED to comprise lampshade 3, pallet 2, radiator 1, plastic cement base 4, light emitting module (not shown), driver module (not shown) and lamp holder (not shown); Said lamp holder is installed in plastic cement base 4 bottoms, in order to link to each other with the external power source interface.
Said lampshade 3 adopts makrolon material to process, and is prone to machine-shaping, and toughness is better, safety and environmental protection.The outer wall of said lampshade 3 openends is provided with projection 31, and the quantity of projection 31 is a plurality of, can adjust according to actual conditions.Present embodiment is a preferred version, and the quantity of projection 31 is 4, is evenly distributed on the outer wall of lampshade 3 openends.Said pallet 2 is provided with and projection 31 corresponding breach 21, and lampshade 3 is installed in 2 last times of pallet, and projection 31 is buckled in the breach 21, and lampshade 3 is fastened on the pallet 2, the phenomenon that gets loose can not occur, and also can lampshade 3 be fixed on the pallet 2 with the glue class.
Said radiator 1 is made up of with shell 12 heat radiation cup 11; Heat radiation cup 11 comprises a portion 111 and radiating fin 112, and tube portion 111 is a column cup, is provided with cavity; The outer wall of tube portion 111 is provided with radiating fin 112; Said radiating fin 112 has upper surface 121, and radiating fin 112, and is connected with the outer wall of tube portion 111 to extending below from upper surface 121.Radiating fin 112 in the present embodiment is a plurality of, and equidistantly is radial arrangement along the outer wall of tube portion 111.
Said shell 12 is looped around on the heat radiation cup 11, and is connected with radiating fin 112, has the space between the outer wall of shell 12 and tube portion 111, and so the outer wall of tube portion 111, radiating fin 112 surround the heat dissipation channel 5 that air vent is arranged up and down with shell 12.Pallet 2 is fixed on the heat radiation cup 11; Paste with the upper surface 121 of radiating fin 112 mutually the bottom of pallet 2, and shell 12 has an intersegmental distance with upper surface 121, to form the air vent 51 of heat dissipation channel 5; Outside air can be got in the heat dissipation channel 5 through air vent 51; And then, make air in heat dissipation channel 5, realize convection current, the heat that produces when taking away the work of LED bulb rapidly from another air vent 52 outflows.In the present embodiment; Radiating fin 112 stretches out from the outer wall of tube portion 111, and is connected with shell 12 on being looped around heat radiation cup 11, extends shell 12 again; Its purpose is to increase the area of dissipation of LED bulb heat radiation structure, obtains better radiating effect.
The upper surface 121 of said radiating fin 112 is connected with tube portion 111 top end surface edges and extends to oblique upper; Promptly form an inclination angle with plane, tube portion 111 top; Its purpose is to make the shape of air vent 51 to meet the flow direction of gas; Help the circulation of heat dissipation channel 5 air more, thereby take away the heat of heat radiation cup 11 rapidly.
Said radiator 1 comprises heat radiation cup 11 and shell 12, is the one die cast.
Said light emitting module is fixed on the pallet 2, and light emitting module comprises circuit board and LED lamp source, and LED lamp source is fixed on the circuit board, is electrically connected with circuit board.
The outer wall of said plastic cement base 4 is provided with projection 41; In the cavity inner wall of tube portion 111, be provided with and projection 41 corresponding groove (not shown); When plastic cement base 4 was installed in the cavity of heat radiation cup 11, projection 41 was arranged in said groove, to realize the fixedly purpose of plastic cement base 4.Be provided with cavity in the said plastic cement base 4, driver module is fixed in the cavity of plastic cement base 4, and is electrically connected with light emitting module.
As shown in Figure 4, during the work of LED bulb, lampshade 3 positions are downward, and the lamp holder position upwards.The heat that led light source produces, the radiating fin 112 through heat radiation cup 11 is transmitted in the air on the one hand; On the other hand; Be distributed with heat dissipation channel 5 around the heat radiation cup 11, when the temperature of heat radiation cup 11 raise, the air in the heat dissipation channel 5 was heated to rise and sheds from air vent 52; And the lower air of external temperature replenishes the entering heat dissipation channel 5 from air vent 51; Thereby realize the convection current of heat radiation cup 11 inner airs and heat radiation cup 11 extraneous airs, the heat of the cup 11 that will dispel the heat is fast taken away, and reduces LED bulb internal temperature.
Otherwise when the LED bulb was worked, lampshade 3 positions made progress, and the lamp holder position is downward, and air flows to air vent 51 from ventilating opening 52, formed the nature air channels in the heat dissipation channel 5, had cross-ventilated effect equally.
The utility model LED bulb adopts heat conduction and cross-ventilation dual mode to dispel the heat, and the area of dissipation that need not roll up radiator structure just can reach better heat radiating effect, has improved radiating efficiency.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a LED bulb comprises lampshade, light emitting module, pallet, radiator, plastic cement base and lamp holder, and said lampshade is fixed on the pallet; Said light emitting module is installed on the pallet, and said pallet is fixed on the radiator, and said radiator is fixed on the plastic cement base; Said lamp holder is fixed on plastic cement base bottom, it is characterized in that, said radiator comprises shell and heat radiation cup; Said heat radiation cup is provided with radiating fin; Said housing ring and is connected with radiating fin on heat radiation cup, and said heat radiation glass and shell surround the heat dissipation channel that air vent is arranged up and down.
2. a kind of LED bulb as claimed in claim 1 is characterized in that, said radiating fin is connected with shell and extends shell.
3. a kind of LED bulb as claimed in claim 1; It is characterized in that said heat radiation cup comprises that a portion and radiating fin, said radiating fin are located on the outer wall of a portion; The upper surface of said shell and radiating fin has an intersegmental distance, to form the air vent of heat dissipation channel.
4. a kind of LED bulb as claimed in claim 3 is characterized in that, the upper surface of said radiating fin has an inclination angle with plane, tube portion top.
5. a kind of LED bulb as claimed in claim 3 is characterized in that said radiating fin is a plurality of, and equidistantly arranges along the outer wall of tube portion.
6. a kind of LED bulb as claimed in claim 1 is characterized in that, said light emitting module comprises circuit board and LED lamp source, and said LED lamp source is fixed on the circuit board.
7. a kind of LED bulb as claimed in claim 1 is characterized in that the outer wall of said lampshade openend is provided with projection, and said pallet is provided with and the corresponding breach of projection, and said projection is arranged in said breach lampshade is fixed on the pallet.
8. a kind of LED bulb as claimed in claim 1; It is characterized in that; The outer wall of said plastic cement base is provided with projection, and said heat radiation cup is provided with cavity, and the inwall of said cavity is provided with and the corresponding groove of said projection; Said plastic cement base is installed in the cavity of heat radiation cup, and said projection is arranged in said groove.
9. a kind of LED bulb as claimed in claim 1 is characterized in that, also comprises driver module, and said plastic cement base is provided with cavity, and said driver module is fixed in the cavity of plastic cement base, and said driver module is electrically connected with light emitting module.
10. a kind of LED bulb as claimed in claim 1 is characterized in that said radiator is the one die cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201770034U CN202118590U (en) | 2011-05-30 | 2011-05-30 | LED (light-emitting diode) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201770034U CN202118590U (en) | 2011-05-30 | 2011-05-30 | LED (light-emitting diode) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118590U true CN202118590U (en) | 2012-01-18 |
Family
ID=45459655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201770034U Expired - Lifetime CN202118590U (en) | 2011-05-30 | 2011-05-30 | LED (light-emitting diode) lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511881A (en) * | 2012-06-19 | 2014-01-15 | 台湾福兴工业股份有限公司 | Lamp structure |
| CN104272021A (en) * | 2012-05-07 | 2015-01-07 | 技术消费产品股份有限公司 | Lamp heat sink |
-
2011
- 2011-05-30 CN CN2011201770034U patent/CN202118590U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104272021A (en) * | 2012-05-07 | 2015-01-07 | 技术消费产品股份有限公司 | Lamp heat sink |
| CN103511881A (en) * | 2012-06-19 | 2014-01-15 | 台湾福兴工业股份有限公司 | Lamp structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: 518119 1 Yanan Road, Kwai Chung street, Dapeng New District, Shenzhen, Guangdong Patentee after: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: BYD Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: BYD Semiconductor Co.,Ltd. Address after: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee after: BYD Semiconductor Co.,Ltd. Address before: 518119 No.1 Yan'an Road, Kuiyong street, Dapeng New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BYD MICROELECTRONICS Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |