CN203628565U - Light emitting diode (LED) lamp bulb - Google Patents
Light emitting diode (LED) lamp bulb Download PDFInfo
- Publication number
- CN203628565U CN203628565U CN201420005172.3U CN201420005172U CN203628565U CN 203628565 U CN203628565 U CN 203628565U CN 201420005172 U CN201420005172 U CN 201420005172U CN 203628565 U CN203628565 U CN 203628565U
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- Prior art keywords
- led
- linking part
- radiator
- light
- led bulb
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Abstract
The utility model discloses a light emitting diode (LED) lamp bulb, which comprises a lighting shell and a base, wherein the end portion of the lighting shell is connected with the base to enable the inner portion of the LED lamp bulb to form an inner cavity, an LED luminous part, a radiator and a driving circuit are arranged in the inner cavity, the radiator comprises a connecting portion, a reflecting portion and a mounting portion which are orderly connected, the radiator is connected with an LED luminous part through the connecting portion, and is connected with the base through the mounting portion, a cavity is arranged in the inner portion of the radiator (metal or non-metallic materials), and the driving circuit is arranged in the cavity, and is respectively connected with the LED luminous part and the base. Because the radiator is unique in structure, the driving circuit can be arranged in the cavity of the radiator, thereby improving space use rate and cooling effect of the inner portion of the LED lamp bulb, being further capable of keeping the height of a luminophor in a traditional light center height, and guaranteeing excellent lighting effect.
Description
Technical field
The utility model relates to a kind of bulb, particularly a kind of LED bulb.
Background technology
Light emitting diode was invented the sixties in 20th century, and in many decades subsequently, its basic purposes is the indicator lamp as electronic equipments such as radio cassette players.In order to give full play to the illumination potentiality of light emitting diode, scientist develops the LED bulb for throwing light on.This bulb has the advantages that efficiency is high, the life-span is long, can use continuously 100,000 hours, than long 100 times of ordinary incandescent lamp bubble.According to estimates, in the world, light emitting diode bulb has the market prospects of 9,000,000,000 pounds, under the attraction of huge commercial opportunities, attracted a large amount of business investments to produce, but existing LED bulb exists multiple technical problems, has affected the production of LED bulb.
First, LED need to be driven by drive circuit, this drive circuit is located in LED bulb, thereby the free space of LED bulb inside is reduced, but LED bulb is in order to reach the demand of high brightness, multiple LED must be set, in the less situation of free space of LED bulb inside, technical staff, in order to save space, generally arranges LED staggered superposition, produce refraction and reflection but this way interferes with each other can make each LED luminous time, thereby cause the illumination effect variation of LED bulb.
Secondly, along with increasing of LED quantity, the caloric value of LED bulb inside must increase, and for avoiding LED bulb to damage because of overheated, in LED bulb inside, radiator is set and just seems extremely important; But because the free space of LED bulb inside is very few, for the setting of radiator has brought difficulty, because radiator volume is excessive, LED bulb is difficult to hold, and radiator volume is too small, and radiating effect is not good enough, affects the service life of LED bulb.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of LED bulb, and the space availability ratio of this bulb inside is high, not only can ensure the magnitude setting abundance of LED, and guarantees that the heat radiation of LED bulb is good.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
A kind of LED bulb, comprise illumination shell and base, described illumination outer casing end is connected with base, so that the inner inner chamber that forms of LED bulb, in this inner chamber, be provided with LED luminous component, radiator and drive circuit, described radiator comprises the linking part, light-reflecting portion and the installation portion that connect successively, and radiator is connected, is connected with base by installation portion with LED luminous component by linking part; And this radiator inside is cavity, and described drive circuit is located in cavity, and this drive circuit is connected with LED luminous component and base respectively.
Preferably, it is cylindric that described linking part, light-reflecting portion and installation portion are all, and the wide increase successively in the footpath of linking part, light-reflecting portion and installation portion, makes radiator integral be step-like.
Preferably, described LED luminous component comprises polyhedron and multiple LED, and described polyhedron is connected with linking part, and multiple LED are arranged on polyhedral each face.
Preferably, the end face of described linking part and the bottom surface of installation portion have perforate, and the wire of described drive circuit is connected with LED luminous component and base through perforate.
Preferably, the junction of described linking part and light-reflecting portion has ramp structure, and described linking part, light-reflecting portion, installation portion and ramp structure surface are all coated with reflector layer.
Preferably, the Length Ratio of described linking part, light-reflecting portion and installation portion is 10～13:22～24:1～3.
Preferably, the Length Ratio of described linking part, light-reflecting portion and installation portion is 10～13:17～19:10～12.
Preferably, the Length Ratio of described linking part, light-reflecting portion and installation portion is 10～13:21～23:6～8.
Preferably, the Length Ratio of described linking part, light-reflecting portion and installation portion is 15～17:40～42:10～12.
Preferably, the Length Ratio of described linking part, light-reflecting portion and installation portion is 15～17:44～46:6～8.
Compared to existing technology, the beneficial effects of the utility model are:
The space availability ratio of LED bulb inside is high, has ensured the magnitude setting abundance of LED, and has guaranteed that the heat radiation of LED bulb is good; Because the inside of radiator is cavity, so drive circuit can be located in cavity, need to reserve the space that arranges of radiator and drive circuit with respect to prior art, the utility model is without the space that arranges of extra reserved drive circuit, the free space of LED bulb inside is increased, so technical staff not only can arrange the radiator of better heat-radiation effect in LED bulb, to improve radiating effect, illuminator height can also be remained to traditional light center height, to guarantee that illuminating effect is good.
In addition, disclose polyhedron and be connected with linking part in preferred version, multiple LED are arranged on the structure on polyhedral each face, under the effect of this structure, can not interfere with each other and produce refraction and reflection when each LED is luminous, have improved the illumination effect of LED bulb.
Further, the junction of linking part and light-reflecting portion has ramp structure, and this ramp structure has increased the reflecting surface of light, has improved illuminating effect; Especially, in the time that the Length Ratio of linking part, light-reflecting portion and installation portion is 10～13:22～24:1～3,10～13:17～19:10～12,10～13:21～23:6～8,15～17:40～42:10～12 or 15～17:44～46:6～8, the reflecting effect of radiator is better, has greatly improved the illuminating effect of LED bulb.
Brief description of the drawings
Fig. 1 be first embodiment of the utility model disassemble schematic diagram one;
Fig. 2 be first embodiment of the utility model disassemble schematic diagram two;
Fig. 3 is the cross-sectional schematic of first embodiment radiator of the utility model;
Fig. 4 is the schematic diagram of disassembling of second embodiment of the utility model;
Fig. 5 is the cross-sectional schematic of second embodiment radiator of the utility model;
Fig. 6 is the schematic diagram of disassembling of the 3rd embodiment of the utility model;
Fig. 7 is the cross-sectional schematic of the 3rd embodiment radiator of the utility model;
Fig. 8 is the schematic diagram of disassembling of the 4th embodiment of the utility model;
Fig. 9 is the cross-sectional schematic of the 4th embodiment radiator of the utility model;
Figure 10 is the schematic diagram of disassembling of the 5th embodiment of the utility model;
Figure 11 is the cross-sectional schematic of the 5th embodiment radiator of the utility model;
Figure 12 is the structural representation of the utility model LED luminous component.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
First embodiment of the present utility model is as shown in Fig. 2 to 3, this LED bulb comprises the base 51 of the cuspidated illumination shell 11 of tool and screw fastening type, described illumination shell 11 ends are connected with base 51, so that the inner inner chamber that forms of LED bulb, in this inner chamber, be provided with LED luminous component 2, radiator 31 and drive circuit 4, and the technical scheme shown in Fig. 1 and Fig. 2 is basically identical, its difference is that Fig. 1 uses the base 51 ' of screw-type.
Wherein, described radiator 31 inside are cavity, and as shown in Figure 3, this radiator 31 comprises the linking part 311, light-reflecting portion 312 and the installation portion 313 that connect successively; Described linking part 311 end faces have perforate, and described light-reflecting portion 312 has ramp structure 314 with linking part 311 junctions, and described installation portion 313 bottom surfaces have perforate; Above-mentioned linking part 313, light-reflecting portion 312, installation portion 313 and ramp structure 314 surfaces are all coated with reflector layer, this reflector layer can be to form in radiator 31 outer surface fine aluminium look polishings, also can be by coating the realizations such as reflective japanning, the present embodiment preferably forms reflector layer in radiator 31 outer surface fine aluminium look polishings, in order to strengthen the reflecting power of radiator 31, improve the illuminating effect of LED bulb.Further, described linking part 313, light-reflecting portion 312 and installation portion 313 are all cylindric, and the footpath of linking part 311, light-reflecting portion 312 and installation portion 313 is wide to increase successively, make radiator 31 entirety be step-like, for improving the reflecting effect of radiator 31, preferably the Length Ratio of linking part 311, light-reflecting portion 312 and installation portion 313 is set as between 10～13:22～24:1～3, the present embodiment is specially 11.5:23.2:2.3.
When the utility model is installed, described drive circuit 4 is placed in the cavity of radiator 31, and the wire of these drive circuit 4 one end is connected with LED luminous component 2 through the perforate of linking part 311, and the wire of the other end is connected with base 51 through the perforate of installation portion 313.As shown in figure 12, described LED luminous component 2 comprises a cylindrical polyhedron 21 and multiple LED22, and the end face of the bottom surface of this polyhedron 21 and linking part 311 is bonding, and multiple LED22 are arranged on the side and end face of polyhedron 21 equably.Finally, radiator 31 is fixedly connected with base 51 by installation portion 313, after shell 11 ends of throwing light on are fixedly connected with base 51, has just completed the installation of LED bulb.Certainly, above-mentioned installation steps are only used for referencial use, and also on-fixed is unique.
And using when the utility model, because multiple LED22 are arranged on each face of polyhedron 21, under the effect of this structure, when each LED22 is luminous, can not interfere with each other and produce refraction and reflection, improve the illumination effect of LED bulb
Second embodiment of the present utility model as shown in Figures 4 and 5, be with the difference of first embodiment, use screw-type base 52, and the Length Ratio of the linking part 321 of radiator 32, light-reflecting portion 322 and installation portion 323 is set as between 10～13:17～19:10～12, the present embodiment is specially 11.7:18.4:11.9, and this ramp structure 324 is suitably adjusted gradient according to above-mentioned parameter and just can.
The 3rd embodiment of the present utility model as shown in Figures 6 and 7, be with the difference of first embodiment, use screw fastening type base 53, and the Length Ratio of the linking part 331 of radiator 33, light-reflecting portion 332 and installation portion 333 is set as between 10～13:21～23:6～8, the present embodiment is specially 11.7:22.4:7.9, and this ramp structure 334 is suitably adjusted gradient according to above-mentioned parameter and just can.
The 4th embodiment of the present utility model as shown in FIG. 8 and 9, be with the difference of first embodiment, screw-type base 54 and spherical illumination shell 12 are used, and the Length Ratio of the linking part 341 of radiator 34, light-reflecting portion 342 and installation portion 343 is set as between 15～17:40～42:10～12, the present embodiment is specially 16.5:41.1:11.9, and this ramp structure 344 is suitably adjusted gradient according to above-mentioned parameter and just can.
The 5th embodiment of the present utility model as shown in FIG. 10 and 11, be with the difference of first embodiment, screw fastening type base 55 and spherical illumination shell 12 are used, and the Length Ratio of the linking part 351 of radiator 35, light-reflecting portion 352 and installation portion 353 is set as between 15～17:44～46:6～8, the present embodiment is specially 16.5:45.1:7.9, and this ramp structure 354 is suitably adjusted gradient according to above-mentioned parameter and just can.
Comprehensive above-mentioned five embodiment are known, the utility model is not particularly limited illumination shell profile, can be applicable to the LED bulb of various moulding, the specifically cuspidated illumination shell 11 of the tool as shown in Fig. 1,2,4 and 6, or spherical illumination shell 12 as shown in Fig. 8 and 10; In like manner, the utility model is also not particularly limited the contour structures of base.So the utility model can improve the space availability ratio of multiple LED bulb inside, make the setting of LED and radiator no longer become technical barrier.
Above-mentioned embodiment is only preferred embodiment of the present utility model; the scope that can not limit with this utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (10)
1. a LED bulb, comprise illumination shell and base, described illumination outer casing end is connected with base, so that the inner inner chamber that forms of LED bulb, in this inner chamber, be provided with LED luminous component, radiator and drive circuit, it is characterized in that: described radiator comprises the linking part, light-reflecting portion and the installation portion that connect successively, and radiator is connected, is connected with base by installation portion with LED luminous component by linking part; And this radiator inside is cavity, and described drive circuit is located in cavity, and this drive circuit is connected with LED luminous component and base respectively.
2. LED bulb according to claim 1, is characterized in that: described linking part, light-reflecting portion and installation portion are all cylindric, and the wide increase successively in the footpath of linking part, light-reflecting portion and installation portion, makes radiator integral be step-like.
3. LED bulb according to claim 2, is characterized in that: described LED luminous component comprises polyhedron and multiple LED, and described polyhedron is connected with linking part, and multiple LED are arranged on polyhedral each face.
4. according to the LED bulb described in claims 1 to 3 any one, it is characterized in that: the end face of described linking part and the bottom surface of installation portion have perforate, the wire of described drive circuit is connected with LED luminous component and base through perforate.
5. LED bulb according to claim 1, is characterized in that: the junction of described linking part and light-reflecting portion has ramp structure, described linking part, light-reflecting portion, installation portion and ramp structure surface are all coated with reflector layer.
6. LED bulb according to claim 5, is characterized in that: the Length Ratio of described linking part, light-reflecting portion and installation portion is 10～13:22～24:1～3.
7. LED bulb according to claim 5, is characterized in that: the Length Ratio of described linking part, light-reflecting portion and installation portion is 10～13:17～19:10～12.
8. LED bulb according to claim 5, is characterized in that: the Length Ratio of described linking part, light-reflecting portion and installation portion is 10～13:21～23:6～8.
9. LED bulb according to claim 5, is characterized in that: the Length Ratio of described linking part, light-reflecting portion and installation portion is 15～17:40～42:10～12.
10. LED bulb according to claim 5, is characterized in that: the Length Ratio of described linking part, light-reflecting portion and installation portion is 15～17:44～46:6～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005172.3U CN203628565U (en) | 2014-01-01 | 2014-01-01 | Light emitting diode (LED) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005172.3U CN203628565U (en) | 2014-01-01 | 2014-01-01 | Light emitting diode (LED) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203628565U true CN203628565U (en) | 2014-06-04 |
Family
ID=50815039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005172.3U Expired - Fee Related CN203628565U (en) | 2014-01-01 | 2014-01-01 | Light emitting diode (LED) lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203628565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222101A (en) * | 2015-10-23 | 2016-01-06 | 晶阳照明有限公司 | A kind of light-emitting diode lamp-plate and lighting device |
-
2014
- 2014-01-01 CN CN201420005172.3U patent/CN203628565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222101A (en) * | 2015-10-23 | 2016-01-06 | 晶阳照明有限公司 | A kind of light-emitting diode lamp-plate and lighting device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20190101 |