CN202629634U - Light emitting diode (LED) bulb lamp wick achieving rapid heat dissipation - Google Patents
Light emitting diode (LED) bulb lamp wick achieving rapid heat dissipation Download PDFInfo
- Publication number
- CN202629634U CN202629634U CN2012201447659U CN201220144765U CN202629634U CN 202629634 U CN202629634 U CN 202629634U CN 2012201447659 U CN2012201447659 U CN 2012201447659U CN 201220144765 U CN201220144765 U CN 201220144765U CN 202629634 U CN202629634 U CN 202629634U
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- Prior art keywords
- led
- heat dissipation
- led bulb
- luminous
- pcb
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 23
- 240000005909 Phlomis lychnitis Species 0.000 title abstract 6
- 239000000758 substrate Substances 0.000 claims abstract description 69
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 238000005286 illumination Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to light emitting diode (LED) lamp technique, in particular to an LED bulb lamp wick achieving rapid heat dissipation. The LED bulb lamp wick comprises LED light emitting bars, each LED light emitting bar comprises two printed circuit board (PCB) substrates, the front faces of the two PCB substrates are both provided with LED chips in sealed mode, the back faces of the two PCB substrates are correspondingly attached to each other, and a heat dissipation sheet is arranged between the back faces of each two PCB substrates in clamped mode. The LED light emitting bars are more than three in number, the heat dissipation sheets of the more than three LED light emitting bars are formed in integrated mode to constitute a heat dissipation part, an attaching portion is formed at the bottom of the heat dissipation part, and the attaching portion is tightly attached to the end face of the top end of a heat dissipation substrate of an LED bulb. When the LED bulb lamp wick is produced and assembled, the heat dissipation sheets of the more than three LED light emitting bars can be arranged once, and therefore the LED bulb lamp wick is simple and convenient to produce and assemble. In addition, the heat dissipation sheets of the LED bulb lamp wick can be tightly attached to the heat dissipation board of the LED bulb through the attaching portion to accelerate heat dissipation speed.
Description
Technical field
The utility model relates to LED light fixture technology, relates in particular to a kind of heat radiation LED bulb wick fast.
Background technology
As everyone knows; LED (Light Emitting Diode, light emitting diode) has characteristics such as long service life, energy consumption is low, energy savings is remarkable, therefore; LED has been widely used in the daily life as light source, like LED lightings such as cup lamp, shot-light, auto lamp, LED bulbs.
The LED bulb mainly includes lamp holder, lampshade, is positioned at the power supply of lamp holder in the prior art, is connected with the heat radiating metal shell between lamp holder and the lampshade, and the top of heat radiating metal shell is positioned at lampshade; And the top of heat radiating metal shell is fixed with heat-radiating substrate, and heat-radiating substrate fixedly is plugged with the LED Column being luminous, wherein; The LED Column being luminous comprises two PCB substrates, and the front of two PCB substrates all is packaged with led chip, and led chip is electrically connected with the PCB substrate; The PCB substrate is electrically connected with power supply; The back side of two PCB substrates is close to fixing mutually,, be gripped with heat dissipation metal plate between the back side of two PCB substrates.In use, the light that led chip sends sees through lampshade and shines out, and the heat that produces when led chip is luminous passes to heat-radiating substrate through PCB substrate and heat dissipation metal plate, is distributed through the heat radiating metal shell by heat-radiating substrate again.Though this LED bulb has certain radiating effect,, the wick that it is formed through many LED Column being luminous; Its heat dissipation metal plate does not directly contact with heat-radiating substrate, so radiating rate is still slower; And, when production and assembly, the heat dissipation metal plate of fixing every the LED Column being luminous of necessary independent installation; Therefore, production and assembly comparatively bother.
The utility model content
The purpose of the utility model is to provide to the deficiency of prior art that a kind of production and assembly are simple, LED bulb wick fast dispels the heat.
The purpose of the utility model realizes through following technical measures: a kind of heat radiation is LED bulb wick fast; It includes the LED Column being luminous, and the LED Column being luminous comprises two PCB substrates, and the front of two PCB substrates all is packaged with led chip; Led chip is electrically connected with the PCB substrate; The PCB substrate is electrically connected with the power supply of LED bulb, and the back side of two PCB substrates is corresponding fits, and is gripped with fin between the back side of two PCB substrates; Said LED Column being luminous is more than three; And the fin of the LED Column being luminous more than three is formed in one and constitutes radiating piece, and the bottom of radiating piece forms sticking part, and sticking part fits tightly the end face in the top of the heat-radiating substrate of LED bulb.
Preferably, said sticking part offers the screw that is used for the vertical fixing radiating piece.
Preferably, said fin offers the rivet hole that is used for the horizontal fixed radiating piece.
Preferably, said sticking part also offers the through hole that is used to place the PCB substrate.
Preferably, said fin is a heat dissipation metal plate.
Preferably, said heat dissipation metal plate is a copper sheet.
Preferably, said LED Column being luminous is outward-dipping.
Particularly, said led chip is several, and several led chips are and vertically are arranged in the PCB substrate.
Particularly, said led chip is several, and several led chips also can be transversely arranged in the PCB substrate.
The utility model beneficial effect is: the utility model includes the LED Column being luminous, and the LED Column being luminous comprises two PCB substrates, and the front of two PCB substrates all is packaged with led chip; Led chip is electrically connected with the PCB substrate; The PCB substrate is electrically connected with the power supply of LED bulb, and the back side of two PCB substrates is corresponding fits, and is gripped with fin between the back side of two PCB substrates; Said LED Column being luminous is more than three; And the fin of the LED Column being luminous more than three is formed in one and constitutes radiating piece, and the bottom of radiating piece forms sticking part, and sticking part fits tightly the end face in the top of the heat-radiating substrate of LED bulb.When production and assembly, the fin of the LED Column being luminous of the utility model more than three can disposablely install, and need not the heat dissipation metal plate of every LED Column being luminous of independent installation, so the production and assembly of the utility model are comparatively simple and convenient; And the fin of the utility model can fit tightly in the heat-radiating substrate of LED bulb through sticking part, thereby accelerates radiating rate, and promptly the radiating rate of the utility model is very fast.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the decomposing schematic representation of the utility model embodiment 1.
Fig. 3 is the structural representation of the radiating piece of the utility model embodiment 1.
Fig. 4 is the PCB substrate of the utility model embodiment 1 and the structural representation of led chip.
Fig. 5 is the PCB substrate of the utility model embodiment 2 and the structural representation of led chip.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, include:
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment 1
A kind of heat radiation of the utility model is LED bulb wick fast; Shown in Fig. 1～4; It includes LED Column being luminous 1, and LED Column being luminous 1 comprises that the front of 11, two PCB substrates 11 of two PCB substrates all is packaged with led chip 12; Be that led chip 12 directly is encapsulated on the PCB substrate 11, with volume and the weight that reduces LED Column being luminous 1; Led chip 12 is electrically connected with PCB substrate 11, and PCB substrate 11 is electrically connected with the power supply of LED bulb, makes power supply convert alternating current into direct current, and be that led chip 12 is supplied power through PCB substrate 11; The back side of two PCB substrates 11 is corresponding fits, and makes the both sides of LED Column being luminous 1 all have led chip 12, when led chip 12 is luminous, can realize radially luminous, and light coverage big (can realize vertical 270 degree, level 360 degree luminous).
Be gripped with fin 21 between the back side of two PCB substrates 11 of LED Column being luminous 1; LED Column being luminous 1 is more than three; 3 of selecting for use of present embodiment for example; And led chip 12 is the high-power LED chip 12 of 1～10W, has enough brightness when making LED Column being luminous 1 luminous, thereby LED Column being luminous 1 can be formed be similar to " fireworks " effect of traditional tengsten lamp; Thereby the illumination effect that promptly forms tengsten lamp makes the LED bulb of using the utility model can substitute traditional bulb, the purpose that reaches illumination or decorate.Certainly, according to the needs of reality, said LED Column being luminous 1 also can be set to other numbers such as 4,5.
And; The fin 21 of the LED Column being luminous 1 of the utility model more than three is formed in one and constitutes radiating piece 2 (like the imperial crown shape), like this, and when production and assembly; 3 fin 21 of the utility model can disposablely install, and make the production and assembly of the utility model comparatively simple and convenient; Further, the bottom of radiating piece 2 forms sticking part 22, and sticking part 22 fits tightly the end face in the top of the heat-radiating substrate of LED bulb; The fin 21 of the utility model can be fitted tightly in the heat-radiating substrate of LED bulb through sticking part 22, and promptly entire heat dissipation part 2 directly contacts with the heat-radiating substrate of LED bulb, and PCB substrate 11 is close to fin 21; Therefore; The heat that when led chip 12 is luminous, produces can be directly passed to the heat-radiating substrate of LED bulb simultaneously through the sticking part 22 of PCB substrate 11 and radiating piece 2, passed to the heat radiating metal shell of LED bulb again by the heat-radiating substrate of LED bulb; Thereby the quickening radiating rate improves radiating effect.
The preferably, sticking part 22 offers the screw 23 that is used for vertical fixing radiating piece 2, makes radiating piece 2 can be fixed in the top of the heat-radiating substrate of LED bulb through screw; Further, fin 21 offers the rivet hole 24 that is used for horizontal fixed radiating piece 2, and fin 21 can be fixedly connected with PCB substrate 11 through rivet; Further again, sticking part 22 also offers the through hole 25 that is used to place PCB substrate 11, makes the inboard PCB substrate 11 of LED Column being luminous 1 can pass through hole 25 and is plugged in the heat-radiating substrate of LED bulb.
In the present embodiment, fin 21 is a heat dissipation metal plate, and preferably heat dissipation metal plate is a copper sheet, because copper sheet has the thermal conductivity advantages of higher, can heat be led away apace, and promptly radiating rate is very fast.Certainly, said fin 21 also can be processed for other heat sink material, as long as it has the thermal conductivity advantages of higher.
The preferably, LED Column being luminous 1 is outward-dipping, makes LED Column being luminous 1 have preferable illumination effect, light is fully utilized.Certainly, according to the needs of illumination or decoration, said LED Column being luminous 1 also can be the setting of other angle, for example: the set-up mode that slopes inwardly and draw close.
In the present embodiment, led chip 12 is several, and several led chips 12 are and vertically are arranged in PCB substrate 11, and several led chips 12 of vertically arranging have better illumination and decorative effect.
Embodiment 2
A kind of heat radiation of the utility model is the embodiment 2 of LED bulb wick fast; As shown in Figure 5; The difference of present embodiment and embodiment 1 is; Led chip 12 is several, and several led chips 12 are transversely arranged in PCB substrate 11, and several transversely arranged led chips 12 have better illumination and decorative effect.Certainly, the led chip 12 of the utility model also can be other arrangement mode, is not limited only to the arrangement mode that the foregoing description is selected for use, as long as it has better illumination and decorative effect.Other structure and the operation principle of present embodiment are identical with embodiment 1, repeat no more at this.
Should be noted that at last; Above embodiment is only in order to explain the technical scheme of the utility model; But not to the restriction of the utility model protection domain, although with reference to preferred embodiment the utility model has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model, and not break away from the essence and the scope of the utility model technical scheme.
Claims (9)
1. LED bulb wick fast that dispels the heat, it includes the LED Column being luminous, and the LED Column being luminous comprises two PCB substrates; The front of two PCB substrates all is packaged with led chip, and led chip is electrically connected with the PCB substrate, and the PCB substrate is electrically connected with the power supply of LED bulb; The back side of two PCB substrates is corresponding fits; And be gripped with fin between the back side of two PCB substrates, it is characterized in that: said LED Column being luminous is more than three, and the fin of the LED Column being luminous more than three is formed in one and constitutes radiating piece; The bottom of radiating piece forms sticking part, and sticking part fits tightly the end face in the top of the heat-radiating substrate of LED bulb.
2. heat radiation according to claim 1 is LED bulb wick fast, it is characterized in that: said sticking part offers the screw that is used for the vertical fixing radiating piece.
3. heat radiation according to claim 2 is LED bulb wick fast, it is characterized in that: said fin offers the rivet hole that is used for the horizontal fixed radiating piece.
4. heat radiation according to claim 3 is LED bulb wick fast, it is characterized in that: said sticking part also offers the through hole that is used to place the PCB substrate.
5. heat radiation according to claim 1 is LED bulb wick fast, it is characterized in that: said fin is a heat dissipation metal plate.
6. heat radiation according to claim 5 is LED bulb wick fast, it is characterized in that: said heat dissipation metal plate is a copper sheet.
7. heat radiation according to claim 1 is LED bulb wick fast, it is characterized in that: said LED Column being luminous is outward-dipping.
8. according to any described heat radiation of claim 1 to 7 LED bulb wick fast, it is characterized in that: said led chip is several, and several led chips are and vertically are arranged in the PCB substrate.
9. according to any described heat radiation of claim 1 to 7 LED bulb wick fast, it is characterized in that: said led chip is several, and several led chips are transversely arranged in the PCB substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201447659U CN202629634U (en) | 2012-04-06 | 2012-04-06 | Light emitting diode (LED) bulb lamp wick achieving rapid heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201447659U CN202629634U (en) | 2012-04-06 | 2012-04-06 | Light emitting diode (LED) bulb lamp wick achieving rapid heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202629634U true CN202629634U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201447659U Expired - Fee Related CN202629634U (en) | 2012-04-06 | 2012-04-06 | Light emitting diode (LED) bulb lamp wick achieving rapid heat dissipation |
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| CN (1) | CN202629634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124784A1 (en) * | 2016-01-18 | 2017-07-27 | 漳洲立达信光电子科技有限公司 | Wide-angle light emitting led filament lamp |
-
2012
- 2012-04-06 CN CN2012201447659U patent/CN202629634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017124784A1 (en) * | 2016-01-18 | 2017-07-27 | 漳洲立达信光电子科技有限公司 | Wide-angle light emitting led filament 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: 20121226 Termination date: 20150406 |
|
| EXPY | Termination of patent right or utility model |