CN203823483U - High-power LED (Light Emitting Diode) bulb lamp - Google Patents
High-power LED (Light Emitting Diode) bulb lamp Download PDFInfo
- Publication number
- CN203823483U CN203823483U CN201420108964.3U CN201420108964U CN203823483U CN 203823483 U CN203823483 U CN 203823483U CN 201420108964 U CN201420108964 U CN 201420108964U CN 203823483 U CN203823483 U CN 203823483U
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- China
- Prior art keywords
- heat radiation
- radiating
- lamp
- power led
- led bulb
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- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000005855 radiation Effects 0.000 claims description 64
- 238000009423 ventilation Methods 0.000 claims description 9
- 239000011049 pearl Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000011324 bead Substances 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a high-power LED (Light Emitting Diode) bulb lamp, which comprises a translucent cover, a drive circuit board, a lamp panel, a radiator and a lamp cap, wherein a plurality of LED lamp beads are arranged on the lamp panel. The high-power LED bulb lamp is characterized in that the radiator comprises a plastic radiating shell and a radiating body fixed in the plastic radiating shell, the upper end of the plastic radiating shell is connected to the translucent cover, the lower end of the plastic radiating shell is connected to the lamp cap, the plastic radiating shell is provided with an inner cavity, the lower end of the drive circuit board is fixed at the bottom of the inner cavity, a plurality of groups of ventilating slots are uniformly distributed in the circumferential direction of the plastic radiating shell at intervals, the ventilating slots are communicated with the inner cavity so as to form a chimney effect, the lamp panel is fixed above the radiating body and is positioned in the plastic radiating shell, the radiating body comprises a radiating seat provided with a center hole and a plurality of radiating fins regularly arrayed on the peripheral wall of the radiating seat, and the upper end of the drive circuit board is positioned in the center hole of the radiating seat. The high-power LED bulb lamp has the advantages of higher power, lighter total weight of the lamp, good heat dissipation performance and high safety.
Description
Technical field
The utility model relates to a kind of LED light fixture, especially relates to a kind of high-power LED bulb.
Background technology
LED bulb lamp because of the advantage that it has energy-conserving and environment-protective more and more welcome, but therefore because the heat resistance of the LED chip in LED lamp pearl is very poor, must rely on the heat radiation of heat abstractor to guarantee the life-span of LED chip and even LED bulb lamp.At present, on market, common LED bulb lamp is realized heat radiation using its metal shell (generally adopting the extrusion modling of aluminium section bar one) as heat abstractor conventionally.Yet, adopt metal shell to have three aspects: defect as the LED bulb lamp of heat abstractor: first, inside cavity at metal shell is provided with electrical equipment, during energising, probably leak electricity and make metal shell with electric current, and metal shell to be people's physical efficiency directly touch, therefore there is certain potential safety hazard; Second, due to metal shell matter weight, make the overall weight of LED bulb lamp considerably beyond the weight of other incandescent lamps, electricity-saving lamp, thereby may there is the situation that LED bulb lamp falls in changing use procedure, once fall probably, human body, object are produced to serious damage, therefore before replacing, user's power that corresponding fixed lamp-socket can bear of need to reappraising, not only bother, and have potential safety hazard; The 3rd, because the heat-sinking capability of metal shell itself is limited, therefore its radiating effect reaching as the heat abstractor of LED bulb lamp is not enough, be unfavorable for extending the service life of LED bulb lamp on the one hand, on the other hand, owing to being subject to the limitation of thermal diffusivity, the power of LED bulb lamp is below 30W at present.
Summary of the invention
Technical problem to be solved in the utility model is to provide the lightweight high power LED bulb lamp that a kind of thermal diffusivity is good and safe.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of high-power LED bulb, comprise diffuser, drive circuit board, lamp plate, heat abstractor and lamp holder, some LED lamp pearls are installed on described lamp plate, heat radiation main body in the plastic heat radiation housing of described heat abstractor by plastic heat radiation housing and described in being fixed on forms, the upper end of described plastic heat radiation housing is connected with described diffuser, the lower end of described plastic heat radiation housing is connected with described lamp holder, described plastic heat radiation housing has an inner chamber, the bottom of described inner chamber is fixed in the lower end of described drive circuit board, on described plastic heat radiation housing, along circumferential interval, be evenly distributed with many group ventilation slots, described ventilation slot and described intracavity inter-connection form stack effect, described lamp plate is fixed on the top of described heat radiation main body and is positioned at described plastic heat radiation housing, described heat radiation main body comprises radiating seat and a plurality of regularly arranged fin on the periphery wall of described radiating seat with centre bore, the upper end of described drive circuit board is positioned at the centre bore of described radiating seat.
The outer of described fin does not contact with the chamber wall of described inner chamber.This setup, user can not touch with heat radiation main body in use, avoids the generation of electric leakage accident, further improves security.
Described heat radiation main body is assembled by a plurality of radiating subassemblies, fin described in several outside minute radiating seat of radiating subassembly described in each by minute radiating seat and described in being arranged on forms, radially, assembled rear a plurality of described minute radiating seats form described radiating seat to described fin.Heat radiation main body is assembled by several radiating subassemblies, compares with the radiator that in traditional handicraft, one compacting forms, and each radiating subassembly gradation moulded section of this heat radiation main body, has reduced the difficulty of die sinking, thereby reduced production cost.
One sidewall of minute radiating seat described in each is provided with lug boss, another sidewall of minute radiating seat described in each is provided with groove, minute radiating seat described in adjacent two is integral by described lug boss and described being connected of groove, makes the heat radiation main body described in the assembled formation of radiating subassembly described in a plurality of.Adopt the erection method of lug boss and groove phase inlay card, convenient, fast.
On the upper surface of described heat radiation main body, be provided with top board, described lamp plate is fixed on the top of described top board.Top board is set, is conducive to the fixing of lamp plate.
The bottom even of described inner chamber is arranged at intervals with many fixed legs, described heat radiation main body is clamped by the fixed leg described in many and is fixed in described inner chamber, on described top board, be provided with the through hole corresponding with described fixed leg, the top of described fixed leg is through described through hole, described lamp plate is connected with the top of described fixed leg, described lamp plate lower surface and the upper surface of described top board fit tightly.Fixed leg clamps heat radiation main body, and lamp plate is fixed on fixed leg simultaneously, from horizontal and vertical, heat radiation main body is firmly fixed in inner chamber, prevents from jumping.
Being shaped as of the cross section of described lug boss and described groove is trapezoidal, triangle or square.Like this contact-making surface that has increased adjacent two radiating subassemblies is set, make footpath upwards fixing more firm, assembled better effects if, and in actual applications, the longitudinal section of lug boss is selected shape as required.
Between described top board and described lamp plate, be provided with heat-conducting silicone grease.In use, heat radiation main body contacts more closely with lamp plate this LED bulb lamp under self gravitation effect, adds heat-conducting silicone grease and makes heat-conducting effect better, further improves heat dispersion.
The bottom of described inner chamber is symmetrically arranged with holddown groove, and the lower end of described drive circuit board is fixed in described holddown groove.Adopt the mode of inlay card, easy for installation, and fixation.
Compared with prior art, the utility model has the advantage of: heat abstractor is comprised of plastic heat radiation housing and the heat radiation main body being fixed in plastic heat radiation housing, the small volume of the main body of dispelling the heat on the one hand, greatly reduce the overall weight of light fixture, solved the potential safety hazard falling from high altitude, also avoided changing and needed trouble that lamp socket holding capacity estimated again before light fixture, the setting of plastic heat radiation housing on the other hand, avoid user directly to contact with radiator, prevent the generation of electric leakage accident, two aspects have improved the security of light fixture simultaneously; On plastic heat radiation housing, interval is evenly distributed with some groups of ventilation slots, and the intracavity inter-connection of ventilation slot and plastic heat radiation housing forms stack effect, allow the hot-air of lamp interior and outside cold air form convection current, effectively accelerate lamp interior heat and outwards distributed, made light fixture there is good thermal diffusivity; Heat radiation main body comprises radiating seat and a plurality of regularly arranged fin on the periphery wall of radiating seat with centre bore, drive circuit board is fixed on the intracavity bottom of plastic heat radiation housing and is positioned at the centre bore of radiating seat, the ventilation slot of fin and plastic heat radiation housing cooperatively interacts, under this structure, the upper surface of heat radiation main body is for distributing the heat of the luminous generation of LED lamp pearl, lower surface, for distributing the heat of drive circuit conduction generation, further improves the thermal diffusivity of light fixture; In addition, because the heat abstractor of this LED bulb lamp has improved the thermal diffusivity of light fixture integral body, so more than the power of this LED bulb lamp can reach 30W.
Accompanying drawing explanation
Fig. 1 is the explosive view of embodiment;
Fig. 2 is the structural representation of plastic heat radiation housing;
Fig. 3 is the top view of plastic heat radiation housing;
Fig. 4 is the enlarged diagram at A position in Fig. 3;
Fig. 5 is the cutaway view in B-B cross section in Fig. 3;
Fig. 6 is the structural representation of heat radiation main body;
Fig. 7 is the left view of Fig. 6;
Fig. 8 a is a kind of structural representation of radiating subassembly;
Fig. 8 b is the another kind of structural representation of radiating subassembly.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in the figure, a kind of high-power LED bulb, comprise diffuser 1, drive circuit board 2, lamp plate 3, heat abstractor and lamp holder (not shown), some LED lamp pearls 4 are installed on lamp plate 3, and heat abstractor is comprised of plastic heat radiation housing 5 and the heat radiation main body 6 being fixed in plastic heat radiation housing 5, the upper end of plastic heat radiation housing 5 is connected with diffuser 1, and the lower end of plastic heat radiation housing 5 is connected with lamp holder, plastic heat radiation housing 5 has an inner chamber 51, and the bottom of inner chamber 51 is symmetrically arranged with two holddown grooves 52, thereby the bottom that holddown groove 52 is fixed on inner chamber 51 is fixed in the lower end of drive circuit board 2, on plastic heat radiation housing 5, along circumferential interval, be evenly distributed with three groups of ventilation slots 53, the ventilation slot 53 formation stack effect that is connected with inner chamber 51, the bottom of inner chamber 51 is also evenly arranged at intervals with three fixed legs 54, heat radiation main body 6 is clamped by three fixed legs 54 and is fixed on inner chamber 51, on the upper surface of heat radiation main body 6, be provided with top board 61, on top board 61, be provided with the through hole corresponding with fixed leg 54 62, the top of fixed leg 54 is through through hole 62, lamp plate 3 is connected with the upper end of fixed leg 54, lamp plate 3 lower surface and the upper surface of top board 61 fit tightly, between top board 61 and lamp plate 3, be provided with heat-conducting silicone grease (not shown), and lamp plate 3 is positioned at plastic heat radiation housing 5, in the present embodiment, heat radiation main body 6 is assembled by six radiating subassemblies 63, each radiating subassembly 63 is comprised of minute radiating seat 64 and several fin 65 that are arranged on outside minute radiating seat 64, this fin 65 radially, one sidewall of each minute radiating seat 64 is provided with lug boss 66, another sidewall of each minute radiating seat 64 is provided with groove 67, adjacent two minutes radiating seats 64 are integral by lug boss 66 and being connected of groove 67, thereby make the assembled formation heat radiation of a plurality of radiating subassemblies 63 main body 6, within assembled latter a plurality of minutes, radiating seat 64 forms the radiating seat 68 with centre bore, and fin 65 is radially regularly arranged on the periphery wall of radiating seat 68, wherein, being shaped as of the cross section of lug boss 66 and groove 67 is trapezoidal, and for lug boss 66, on its trapezoidal cross-section, the longer end, is positioned at outside, and for groove 67, the end longer on its cross section, is inner, in addition other shapes also can be selected as required in the longitudinal section of lug boss 66, such as triangle or square etc., in other practical applications, heat radiation main body 6 can be also overall structure, in the present embodiment, the outer of fin 65 radially does not contact with the chamber wall of inner chamber 51, can make the outer of fin 65 radially and the chamber wall of inner chamber 5 keep safe distance more than 6.5mm while specifically implementing.
In the present embodiment, radiating subassembly 63 is comprised of two kinds of structures, and the main distinction is that the structure of fin 65 is radially different, respectively as shown in Fig. 8 a, 8b.
In concrete production and application, the heat abstractor that heat radiation main body 6 and plastic heat radiation housing 5 form improves the thermal diffusivity of LED bulb lamp light fixture integral body, therefore, more than the power of this LED bulb lamp can reach 30W, is much higher than existing LED bulb lamp.
Claims (9)
1. a high-power LED bulb, comprise diffuser, drive circuit board, lamp plate, heat abstractor and lamp holder, some LED lamp pearls are installed on described lamp plate, it is characterized in that the heat radiation main body in the plastic heat radiation housing of described heat abstractor by plastic heat radiation housing and described in being fixed on forms, the upper end of described plastic heat radiation housing is connected with described diffuser, the lower end of described plastic heat radiation housing is connected with described lamp holder, described plastic heat radiation housing has an inner chamber, the bottom of described inner chamber is fixed in the lower end of described drive circuit board, on described plastic heat radiation housing, along circumferential interval, be evenly distributed with many group ventilation slots, described ventilation slot and described intracavity inter-connection form stack effect, described lamp plate is fixed on the top of described heat radiation main body and is positioned at described plastic heat radiation housing, described heat radiation main body comprises radiating seat and a plurality of regularly arranged fin on the periphery wall of described radiating seat with centre bore, the upper end of described drive circuit board is positioned at the centre bore of described radiating seat.
2. a kind of high-power LED bulb according to claim 1, the outer that it is characterized in that described fin does not contact with the chamber wall of described inner chamber.
3. a kind of high-power LED bulb according to claim 1 and 2, it is characterized in that described heat radiation main body is assembled by a plurality of radiating subassemblies, fin described in several outside minute radiating seat of radiating subassembly described in each by minute radiating seat and described in being arranged on forms, radially, assembled rear a plurality of described minute radiating seats form described radiating seat to described fin.
4. a kind of high-power LED bulb according to claim 3, a sidewall that it is characterized in that minute radiating seat described in each is provided with lug boss, another sidewall of minute radiating seat described in each is provided with groove, minute radiating seat described in adjacent two is integral by described lug boss and described being connected of groove, makes the heat radiation main body described in the assembled formation of radiating subassembly described in a plurality of.
5. a kind of high-power LED bulb according to claim 4, is provided with top board on the upper surface of the heat radiation main body described in it is characterized in that, described lamp plate is fixed on the top of described top board.
6. a kind of high-power LED bulb according to claim 5, the bottom even that it is characterized in that described inner chamber is arranged at intervals with many fixed legs, described heat radiation main body is clamped by the fixed leg described in many and is fixed in described inner chamber, on described top board, be provided with the through hole corresponding with described fixed leg, the top of described fixed leg is through described through hole, described lamp plate is connected with the top of described fixed leg, described lamp plate lower surface and the upper surface of described top board fit tightly.
7. according to a kind of high-power LED bulb described in any one in claim 4～6, it is characterized in that described lug boss and described groove cross section be shaped as trapezoidal, triangle or square.
8. according to a kind of high-power LED bulb described in claim 5 or 6, between the top board described in it is characterized in that and described lamp plate, be provided with heat-conducting silicone grease.
9. a kind of high-power LED bulb according to claim 1, is characterized in that the bottom of described inner chamber is symmetrically arranged with holddown groove, and the lower end of described drive circuit board is fixed in described holddown groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108964.3U CN203823483U (en) | 2014-03-11 | 2014-03-11 | High-power LED (Light Emitting Diode) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108964.3U CN203823483U (en) | 2014-03-11 | 2014-03-11 | High-power LED (Light Emitting Diode) bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203823483U true CN203823483U (en) | 2014-09-10 |
Family
ID=51478982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420108964.3U Expired - Fee Related CN203823483U (en) | 2014-03-11 | 2014-03-11 | High-power LED (Light Emitting Diode) bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203823483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715973A (en) * | 2016-02-04 | 2016-06-29 | 华侨大学 | All-plastic LED bulb lamp for enhancing convection heat radiation |
| CN107270240A (en) * | 2017-07-05 | 2017-10-20 | 佛山杰致信息科技有限公司 | A kind of LED heat radiation lampshades |
-
2014
- 2014-03-11 CN CN201420108964.3U patent/CN203823483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715973A (en) * | 2016-02-04 | 2016-06-29 | 华侨大学 | All-plastic LED bulb lamp for enhancing convection heat radiation |
| CN107270240A (en) * | 2017-07-05 | 2017-10-20 | 佛山杰致信息科技有限公司 | A kind of LED heat radiation lampshades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151118 Address after: 237300 Jinzhai County Anhui Modern Industrial Park (Anhui red earth Co., Ltd.) Patentee after: ANHUI SUNSHINE LIGHTING APPLIANCE Co.,Ltd. Address before: 312300 Fengshan Road, Shangyu, Zhejiang, No. 485, No. Patentee before: ZHEJIANG YANKON GROUP. Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |