CN202834824U - Light-emitting diode (LED) lamp bulb - Google Patents
Light-emitting diode (LED) lamp bulb Download PDFInfo
- Publication number
- CN202834824U CN202834824U CN2012202990549U CN201220299054U CN202834824U CN 202834824 U CN202834824 U CN 202834824U CN 2012202990549 U CN2012202990549 U CN 2012202990549U CN 201220299054 U CN201220299054 U CN 201220299054U CN 202834824 U CN202834824 U CN 202834824U
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- Prior art keywords
- led
- heat sink
- lampshade
- sink strip
- lamp socket
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a light-emitting diode (LED) lamp bulb which comprises a lamp holder, at least two LED assemblies arranged on the lamp holder and a lamp cover which is covered on the lamp holder and can diffuse light. Each LED assembly comprises a radiation structure and an LED light source arranged on the radiation structure, wherein a lighting face of the LED light source faces towards the inside of the lamp cover, and a reflection face for reflecting light emitted from the LED light source. By means of the reflection faces on the radiation structures and a lamp barrel with the light diffusion function, the LED lamp bulb can emit light 360 degrees, prevents LED point light sources from generating, can emit light evenly, avoids glaring, enlarges light emitting angles, reduces light loss and prolongs service life. In addition, each LED assembly is provided with one radiation structure so as to be capable of radiating independently.
Description
Technical field
The utility model relates to lighting field, more particularly, relates to a kind of LED bulb.
Background technology
Along with the continuous lifting of LED lighting engineering and perfect, the advantages such as the energy-conservation and environmental protection of LED more and more are subject to liking of people and approve.Therefore the LED illumination is also just come into huge numbers of families with paces fast.
The LED fluorescent tube is a principal light source of room lighting, compare with the traditional fluorescent lamp pipe and to have energy-saving environmental protection safety without advantages such as stroboscopic and long-lives, but lighting angle less, light is stronger, more dazzling, so the size of LED lamp (tool) bubble rising angle and the inhomogeneity quality of light become and affect the two large principal elements that the LED fluorescent tube replaces traditional fluorescent tube.
Tradition LED bulb led light source is arranged on ball cover inside, and thermal column is arranged on the lampshade inside of complete closed, and is therefore effective not to the cooling of LED, because the LED that works under the high temperature is relative poor efficiency, thereby causes this bulb to have relatively low efficient.Further, the led light source heat of conventional bulb must be passed to radiation shell by thermal column and be transferred to the bulb outside again, part thermal column and radiation shell have the structure of relative complex, also have by offsetting radiation shell with fillers such as liquid in the adverse effect aspect the heat conduction, but relative cost and produce complicated.
Prior art adopts LED to be positioned at around the bulb central heat sink post, realize 360 degree bright dippings, but the thermal source of all LED all is gathered on the thermal column in this kind mode, and heat is difficult for shedding, and affects the luminous flux of whole lamp, be fixed on the thermal column owing to needing to organize LED lamp bar simultaneously more, the LED that easy damage has installed in the new LED process of assembling, and because thermal column is positioned at the bulb center, be subject to the restriction of size, be easy to see the LED spot light, bright dipping is inhomogeneous.
The utility model content
The technical problems to be solved in the utility model is, for the defects of prior art, provides a kind of LED bulb.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of LED bulb, comprise lamp socket, be arranged at least two LED assemblies on the described lamp socket and be located at the lampshade that can spread light on the described lamp socket; Described LED assembly comprises radiator structure and the led light source that is arranged on the described radiator structure, and the light-emitting area of described led light source is towards the inside of described lampshade, and described radiator structure is provided with the reflecting surface that emits beam be used to reflecting described led light source.
LED bulb described in the utility model, wherein, described radiator structure comprises heat sink strip, the side of described heat sink strip towards described lampshade center is provided with the stationary plane for fixing described led light source, this stationary plane and vertical axis are angled, and its side that is positioned at described lamp socket circumferential direction is provided with described reflecting surface.
LED bulb described in the utility model wherein, also offers the heat radiation groove on the side relative with described stationary plane on the described heat sink strip.
LED bulb described in the utility model, wherein, described heat sink strip vertically is arranged on the periphery of described lamp socket end face, offers be used to the bar v notch v that holds described LED assembly the bottom margin of described lampshade and described lamp socket clamping on the described lampshade.
LED bulb described in the utility model, wherein, the bottom margin of described lampshade is provided with anti-L shaped colluding, and described lamp socket end face is provided with the described anti-L shaped inverted L-shaped that cooperates of colluding and colludes, and described lampshade is by described anti-L shaped colluding and cooperating and described lamp socket clamping that described inverted L-shaped is colluded.
LED bulb described in the utility model, wherein, described radiator structure comprises heat sink strip, and described heat sink strip evenly vertically is arranged on the periphery of described lamp socket end face, described lampshade is established described heat sink strip cover wherein, and described heat sink strip contacts with the internal face of described lampshade.
LED bulb described in the utility model, wherein, described radiator structure comprises heat sink strip, and described heat sink strip evenly vertically is arranged on the periphery of described lamp socket end face, and described lampshade is established described heat sink strip cover wherein, and described heat sink strip and described lampshade are slidingly matched.
LED bulb described in the utility model, wherein, the side of described heat sink strip outside described lampshade is provided with guide groove, and the inwall of described lampshade is provided with the sliver that is slidingly matched with described guide groove, and described heat sink strip is slidingly matched by described guide groove and sliver.
LED bulb described in the utility model, wherein, described led light source comprises LED wiring board and the led chip that is fixed on the described LED wiring board.
LED bulb described in the utility model, wherein, described lamp socket comprises lamp holder and is arranged on radiator on the described lamp holder.
Implement LED bulb of the present utility model, have following beneficial effect: the light diffusion function by the reflecting surface on the radiator structure and lamp cylinder can make the LED bulb realize 360 degree bright dippings, avoided the appearance of LED spot light, make whole lamp bright dipping even, and prevent from dazzling the eyes, when increasing rising angle, reduce fiber-loss, improved the brightness of fluorescent tube.
On the other hand, the LED assembly can be realized independent heat radiation, has increased greatly area of dissipation, has promoted the light fixture heat-sinking capability.Direct and contact with air makes the led light source heat directly be transferred to the bulb outside by heat sink strip for LED bulb heat radiation bar, and the lampshade space increases simultaneously, cause area of dissipation to increase, solved in the prior art because ball cover seals heat multilayer transmission, the problem that heat transfer efficiency is low.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of a kind of LED bulb of the present invention preferred embodiment;
Fig. 2 is the structure broken away view of a kind of LED bulb of the present invention preferred embodiment;
Fig. 3 is the installation diagram of lamp socket and LED assembly in a kind of LED bulb of the present invention preferred embodiment;
Fig. 4 is the structure broken away view of Fig. 3 in a kind of LED bulb of the present invention preferred embodiment;
Fig. 5 is the cross sectional view of a kind of LED bulb of the present invention preferred embodiment;
Fig. 6 is the longitudinal section profile of a kind of LED bulb of the present invention preferred embodiment;
Fig. 7 is the enlarged drawing at A position among a kind of LED bulb of the present invention preferred embodiment Fig. 6.
The specific embodiment
Shown in Fig. 1-4, in preferred embodiment of the present utility model, this LED bulb comprises lamp socket 10, be arranged at least two LED assemblies on the lamp socket 10 and be located at the lampshade 40 that can spread light on the lamp socket 10.The LED assembly further comprises radiator structure 20 and the led light source 30 that is arranged on the radiator structure 20, and the light-emitting area of this led light source 30 is towards the inside of lampshade 40, and radiator structure 20 is provided with the reflecting surface 21 that emits beam for reflection led light source 30.
The LED assembly is to be evenly distributed on the internal face of lamp cylinder 100, and at an angle each other, and for example, when three LED assemblies were arranged, three LED assemblies were 120 degree angles mutually.Reflecting surface 21 on the radiator structure 20 can increase the beam angle of LED assembly, lampshade 40 can carry out the light diffusion to light simultaneously, make the LED bulb realize 360 degree full angle bright dippings, and each LED assembly has a radiator structure 20, be that each LED assembly is independent heat radiation, therefore the heat-sinking capability of light fixture can be greatly improved, thereby the brightness of illumination requirement of higher power designs and Geng Gao can be realized.Lampshade 40 can spread the light that led light source sends, and can adopt the lampshade by photodiffusion material and base material integrated injection molding, also can adopt the lampshade that is coated with one deck photodiffusion material on the madial wall.Wherein photodiffusion material can adopt fluorescent material or light spread powder, and base material can be plastics or glass.
Preferably, above-mentioned radiator structure 20 can adopt heat sink strip, the side of this heat sink strip towards lampshade 40 centers is provided with the stationary plane (figure does not illustrate with label) for fixed L ED light source, this stationary plane and vertical axis are angled, and its side that is positioned at lamp socket 10 circumferential direction then is provided with above-mentioned reflecting surface 21.Reflecting surface 21 can carry out total reflection and diffuse reflection to the light that led light source sends, thereby makes light softer, can reduce to greatest extent fiber-loss when increasing angle, promotes the brightness of fluorescent tube and the soften of bright dipping.In addition, as shown in Figure 5, also offer heat radiation groove 22 on the heat sink strip on the side relative with stationary plane.
In preferred embodiment of the present utility model, the periphery of lamp socket 10 end faces is evenly equipped with above-mentioned LED assembly, correspondingly, offers be used to the bar v notch v 41 that holds described LED assembly the bottom margin of lampshade 40 and lamp socket 10 clampings on the lampshade 40.Lampshade 40 can have a variety of with the snap fit of lamp socket 10, the utility model has provided a kind of comparatively simple mode, shown in Fig. 6-7, the bottom margin of lampshade 40 is provided with and anti-L shapedly colludes 42, lamp socket 10 end faces are provided with anti-L shaped 42 inverted L-shapeds that cooperate of colluding and collude 11, and lampshade 40 colludes 42 and colludes 11 cooperate and lamp socket 10 clampings with inverted L-shaped by anti-L shaped.Adopt this structure that lampshade 40 and lamp socket 10 are connected together, can improve the efficiency of assembling of bulb, and when the LED assembly breaks down, thereby can easily lampshade 40 be pulled down the LED assembly is changed, and this replacing can not have influence on other LED assembly yet.
In a upper embodiment, because the edge of lampshade 40 is provided with bar v notch v 41, therefore to be provided with a side of heat radiation groove 22 be directly to contact with outside air to heat sink strip, the heat that therefore led light source is distributed directly is transferred to the bulb outside, the space of lampshade 40 increases simultaneously, so that area of dissipation increases, has solved in the prior art because the lampshade sealing, the heat multilayer transmission, the problem that heat transfer efficiency is low.In addition, other mode can also be arranged, for example, what radiator structure 20 still adopted is heat sink strip, and heat sink strip evenly vertically is arranged on the periphery of lamp socket 10 end faces, and lampshade 40 is established the heat sink strip cover wherein, and heat sink strip contacts with the internal face of lampshade 40.Perhaps, lampshade 40 is established the heat sink strip cover wherein, and heat sink strip and lampshade 40 are slidingly matched.The structure that heat sink strip and lampshade 40 are slidingly matched can have a variety of, for example, in the side of heat sink strip outside lampshade 40 guide groove is set, at the sliver that inwall arranges and guide groove is slidingly matched of lampshade 40.
In the various embodiments described above, led light source includes LED wiring board and the led chip that is fixed on the LED wiring board.Simultaneously, lamp socket 10 includes lamp holder and is arranged on radiator on the lamp holder.
Above embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and accordingly enforcement, can not limit protection domain of the present utility model.All equalizations of doing with the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1. a LED bulb is characterized in that, comprises lamp socket (10), is arranged at least two LED assemblies on the described lamp socket (10) and is located at the lampshade (40) that can carry out to light light diffusion on the described lamp socket (10); Described LED assembly comprises radiator structure (20) and is arranged on led light source on the described radiator structure (20), the light-emitting area of described led light source is towards the inside of described lampshade (40), and described radiator structure (20) is provided with the reflecting surface (21) that emits beam be used to reflecting described led light source.
2. LED bulb according to claim 1, it is characterized in that, described radiator structure (20) comprises heat sink strip, the side of described heat sink strip towards described lampshade (40) center is provided with the stationary plane for fixing described led light source, this stationary plane and vertical axis are angled, and its side that is positioned at described lamp socket (10) circumferential direction is provided with described reflecting surface (21).
3. LED bulb according to claim 2 is characterized in that, also offers heat radiation groove (22) on the described heat sink strip on the side relative with described stationary plane.
4. LED bulb according to claim 2, it is characterized in that, described heat sink strip vertically is arranged on the periphery of described lamp socket (10) end face, offer be used to the bar v notch v (41) that holds described LED assembly the bottom margin of described lampshade (40) and described lamp socket (10) clamping on the described lampshade (40).
5. LED bulb according to claim 4, it is characterized in that, the bottom margin of described lampshade (40) is provided with anti-L shaped colluding (42), described lamp socket (10) end face is provided with the inverted L-shaped that cooperates with described anti-L shaped colluding (42) and colludes (11), and described lampshade (40) colludes cooperating and described lamp socket (10) clamping of (11) by described anti-L shaped colluding (42) with described inverted L-shaped.
6. LED bulb according to claim 1, it is characterized in that, described radiator structure (20) comprises heat sink strip, described heat sink strip evenly vertically is arranged on the periphery of described lamp socket (10) end face, described lampshade (40) is established described heat sink strip cover wherein, and described heat sink strip contacts with the internal face of described lampshade (40).
7. LED bulb according to claim 1, it is characterized in that, described radiator structure (20) comprises heat sink strip, described heat sink strip evenly vertically is arranged on the periphery of described lamp socket (10) end face, described lampshade (40) is established described heat sink strip cover wherein, and described heat sink strip and described lampshade (40) are slidingly matched.
8. LED bulb according to claim 7, it is characterized in that, the side of described heat sink strip outside described lampshade (40) is provided with guide groove, and the inwall of described lampshade (40) is provided with the sliver that is slidingly matched with described guide groove, and described heat sink strip is slidingly matched by described guide groove and sliver.
9. each described LED bulb is characterized in that according to claim 1-8, and described led light source comprises LED wiring board and the led chip that is fixed on the described LED wiring board.
10. each described LED bulb is characterized in that according to claim 1-8, and described lamp socket (10) comprises lamp holder and is arranged on radiator on the described lamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202990549U CN202834824U (en) | 2012-06-25 | 2012-06-25 | Light-emitting diode (LED) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202990549U CN202834824U (en) | 2012-06-25 | 2012-06-25 | Light-emitting diode (LED) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834824U true CN202834824U (en) | 2013-03-27 |
Family
ID=47946527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202990549U Expired - Fee Related CN202834824U (en) | 2012-06-25 | 2012-06-25 | Light-emitting diode (LED) lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519860A (en) * | 2018-12-12 | 2019-03-26 | 海宁市鑫诚电子有限公司 | A kind of LED luminous flame component |
| CN110005994A (en) * | 2019-03-22 | 2019-07-12 | 海宁市鑫诚电子有限公司 | A kind of LED flame lamp using two-sided luminous flame component |
-
2012
- 2012-06-25 CN CN2012202990549U patent/CN202834824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519860A (en) * | 2018-12-12 | 2019-03-26 | 海宁市鑫诚电子有限公司 | A kind of LED luminous flame component |
| CN110005994A (en) * | 2019-03-22 | 2019-07-12 | 海宁市鑫诚电子有限公司 | A kind of LED flame lamp using two-sided luminous flame component |
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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: 20130327 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |