CN102032493A - LED bulb - Google Patents
LED bulb Download PDFInfo
- Publication number
- CN102032493A CN102032493A CN2011100313958A CN201110031395A CN102032493A CN 102032493 A CN102032493 A CN 102032493A CN 2011100313958 A CN2011100313958 A CN 2011100313958A CN 201110031395 A CN201110031395 A CN 201110031395A CN 102032493 A CN102032493 A CN 102032493A
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- led
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- radiating
- heat
- led bulb
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- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to technology for light-emitting diode (LED) lamps, in particular to an LED bulb. The LED bulb comprises a lamp holder, a lamp shade and a power supply positioned inside the lamp holder, wherein a radiating metal shell is clamped between the lamp holder and the lamp shade; the top of the radiating metal shell is positioned inside the lamp shade and is fixedly clamped with a radiating substrate; the radiating substrate is fixedly inserted with an LED luminous post; the LED luminous post comprises two printed circuit board (PCB) substrates; LED chips are packaged on front sides of the two PCB substrates and are electrically connected with the PCB substrates; the PCB substrates are electrically connected with the power supply; back surfaces of the two PCB substrates are fixedly adhered with each other; and a radiating sheet metal is sandwiched between the back surfaces of the two PCB substrates. The LED bulb can radially illuminate and has wide light ray coverage range and high radiating speed.
Description
Technical field
The present invention relates to LED light fixture technology, relate in particular to a kind of LED bulb.
Background technology
Because 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, as LED lightings such as cup lamp, shot-light, auto lamp, LED bulbs.
At present, the LED bulb generally comprises lamp holder, be installed in the lampshade at lamp holder top, be positioned at the power supply of lamp holder, be provided with the LED Column being luminous in the lampshade, power supply in LED Column being luminous and the lamp holder is electrically connected, when LED Column being luminous electrified light emitting, its light that sends can see through lampshade and shine out, the purpose that reaches illumination or decorate.But, the LED Column being luminous of LED bulb is at the PCB(printed circuit board (PCB) mostly in the prior art) the direct packaged LED of welding on the substrate, and LED all is positioned at a side of PCB substrate, cause the LED Column being luminous can only folk prescription to luminous, light coverage less (maximum 180 degree), and the heat that produces during LED work is just led away and is distributed by the PCB substrate, radiating rate is slower, and radiating effect is bad.
Summary of the invention
The objective of the invention is to provide at the deficiencies in the prior art a kind of can be radially luminous, LED bulb that radiating rate is fast.
Purpose of the present invention realizes by following technical measures: a kind of LED bulb, it includes lamp holder, lampshade, be positioned at the power supply of lamp holder, be connected with the heat radiating metal shell between lamp holder and the lampshade, 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, heat-radiating substrate is pegged graft and is fixed with the LED Column being luminous, described LED Column being luminous comprises two PCB substrates, 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 power supply, and the back side of two PCB substrates is close to fixing mutually, and is gripped with heat dissipation metal plate between the back side of two PCB substrates.
Described heat dissipation metal plate is a copper sheet.
The area of described heat dissipation metal plate side is greater than the area of PCB substrate back.
The height of the led chip of described two PCB substrates equates.
Described LED Column being luminous is more than two or two.
Be fixed with insulation sleeve in the bottom of described heat radiating metal shell.
Described heat-radiating substrate, PCB substrate are the heat-radiating aluminum plate, and the bottom of PCB substrate is provided with the Plug Division, and wherein, the two PCB substrates and the heat dissipation metal plate of LED Column being luminous are to fix by rivet.
Described PCB substrate offers the blind hole that is used for packaging LED chips, and led chip is fixed in the blind hole by resin-encapsulated, and the inside edge of blind hole is outward-dipping slope.
Described lamp holder is a lamp screw base.
Described lampshade is candle lampshade or globe holder.
Beneficial effect of the present invention is: the present invention includes lamp holder, lampshade, be positioned at the power supply of lamp holder, be connected with the heat radiating metal shell between lamp holder and the lampshade, 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, heat-radiating substrate is pegged graft and is fixed with the LED Column being luminous, the LED Column being luminous comprises two PCB substrates, 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 power supply, the back side of two PCB substrates is close to fixing mutually, and is gripped with heat dissipation metal plate between the back side of two PCB substrates.Because the both sides of LED Column being luminous of the present invention all have led chip, when led chip is luminous, can realize radially luminous, and light coverage big (can reach 360 degree); And the heat dissipation metal plate of LED Column being luminous can pass to heat-radiating substrate apace with the heat of assembling on the PCB substrate, is distributed apace by the heat radiating metal shell by heat-radiating substrate again.Therefore, the present invention has the advantages that the light coverage is big, radiating rate is fast.
Description of drawings
Fig. 1 is the structural representation of a kind of LED bulb of the present invention embodiment 1.
Fig. 2 is the decomposing schematic representation of a kind of LED bulb of the present invention embodiment 1.
Fig. 3 is the structural representation that conceals lampshade of a kind of LED bulb of the present invention embodiment 1.
Fig. 4 is the structural representation of the LED Column being luminous of a kind of LED bulb of the present invention embodiment 1.
Fig. 5 is the side view of the LED Column being luminous of a kind of LED bulb of the present invention embodiment 1.
Fig. 6 is the decomposing schematic representation of the LED Column being luminous of a kind of LED bulb of the present invention embodiment 1.
Fig. 7 is that the light of the encapsulated LED chip of a kind of LED bulb of the present invention embodiment 1 moves towards schematic diagram.
Fig. 8 is that the light of the led chip of conventional package moves towards schematic diagram.
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, include:
1---lamp holder 2---lampshade
3---power supply 4---heat radiating metal shell
5---heat-radiating substrate 6---LED Column being luminous
61---PCB substrate 611---Plug Division
612---rivet 613---blind hole
614---inside edge 62---led chip
63---heat dissipation metal plate 7---insulation sleeve.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Embodiment 1
A kind of LED bulb of the present invention, shown in Fig. 1～6, it includes lamp holder 1, lampshade 2, be positioned at the power supply 3 of lamp holder 1, power supply 3 is electrically connected with lamp holder 1, make power supply 3 can pass through lamp holder 1 external AC, be connected with heat radiating metal shell 4 between lamp holder 1 and the lampshade 2, the top of heat radiating metal shell 4 is positioned at lampshade 2, and the top of heat radiating metal shell 4 is fixed with heat-radiating substrate 5, make the heat-radiating substrate 5 can be with heat transferred heat radiating metal shell 4, heat-radiating substrate 5 is pegged graft and is fixed with LED Column being luminous 6, LED Column being luminous 6 comprises two PCB substrates 61, the front of two PCB substrates 61 all is packaged with led chip 62, be that led chip 62 directly is encapsulated on the PCB substrate 61, with volume and the weight that reduces LED Column being luminous 6, led chip 62 is electrically connected with PCB substrate 61, PCB substrate 61 is electrically connected with power supply 3, make power supply 3 alternating current can be converted to direct current, and be that led chip 62 is powered by PCB substrate 61, the back side of two PCB substrates 61 is close to fixing mutually, makes the both sides of LED Column being luminous 6 all have led chip 62, when led chip 62 is luminous, can realize radially luminous, and light coverage big (can reach 360 degree).
Be gripped with heat dissipation metal plate 63 between the back side of two PCB substrates 61 of LED Column being luminous 6, because when led chip 62 work are luminous, meeting produces a large amount of heats and accumulates on the PCB substrate 61, so, heat dissipation metal plate 63 can be distributed the heat transferred heat-radiating substrate of assembling on the PCB substrate 61 5 by heat radiating metal shell 4 by heat-radiating substrate 5 more apace.In the present embodiment, preferred heat dissipation metal plate 63 is a copper sheet, because copper sheet has the thermal conductivity advantages of higher, the heat of assembling on the PCB substrate 61 can be led away apace, and promptly radiating rate is very fast.Certainly, described heat dissipation metal plate 63 also can be made for other heat sink material, as long as it has the thermal conductivity advantages of higher.
The area of heat dissipation metal plate 63 sides is greater than the area at PCB substrate 61 back sides, promptly heat dissipation metal plate 63 around protrude from PCB substrate 61 slightly, to increase heat radiation and heat-conducting area.
The height of the led chip 62 of two PCB substrates 61 of LED Column being luminous 6 equates, makes the led chip 62 of LED Column being luminous 6 both sides can keep sustained height luminous, forms spot light; Wherein, LED Column being luminous 6 is more than two or two, 3 of selecting for use of present embodiment for example, and led chip 62 is the high-power LED chip 62 of 1～10W, has enough brightness when making LED Column being luminous 6 luminous, be similar to " fireworks " effect of traditional tengsten lamp thereby LED Column being luminous 6 can be formed, thereby the illumination effect that promptly forms tengsten lamp makes the present invention can substitute traditional tengsten lamp, the purpose that reaches illumination or decorate.Certainly, because the present invention has adopted the led chip 62 of power saving, long service life as light source, than traditional tengsten lamp, the present invention has advantages such as power saving, long service life.
Be fixed with insulation sleeve 7 in the bottom of heat radiating metal shell 4, make insulation between heat radiating metal shell 4 and the power supply 3.
Heat-radiating substrate 5, PCB substrate 61 are the heat-radiating aluminum plate, and the heat-radiating aluminum plate has better heat radiating effect; The bottom of the PCB substrate 61 of LED Column being luminous 6 is provided with Plug Division 611, LED Column being luminous 6 can be pegged graft be fixed on the heat-radiating substrate 5.
The two PCB substrates 61 and the heat dissipation metal plate 63 of LED Column being luminous 6 is fixing by rivet 612, more particularly, rivet 612 passes two PCB substrates 61 and heat dissipation metal plate 63, thereby two PCB substrates 61 and heat dissipation metal plate 63 are locked, the back side of heat dissipation metal plate 63 and two PCB substrates 61 is closely sticked together, thereby the increase area of dissipation makes the present invention can increase by 8～10% radiating rate.Certainly, two PCB substrates 61 of described LED Column being luminous 6 also can adopt other fixed form, fix, paste as snapping fixing etc., as long as its fixed effect is better.
As shown in Figure 7, with PCB substrate 61 lateral dissection, wherein, the PCB substrate 61 of LED Column being luminous 6 of the present invention offers the blind hole 613 that is used for packaging LED chips 62, led chip 62 is fixed in the blind hole 613 by resin-encapsulated, and the inside edge 614 of blind hole 613 is outward-dipping slope, and the light that inside edge 614 can be sent led chip 62 sides reflects away, thereby has improved the brightness of led chip 62; But as shown in Figure 8, the inside edge that traditional PCB substrate is used for the blind hole of packaging LED chips is provided with for vertical, so the light that causes the led chip side to send can not reflect away; Therefore, the light that the encapsulating structure of the led chip 62 that the present invention is above-mentioned can send led chip 62 sides reflects away, and according to test, the brightness of led chip 62 can be improved 2～5%.
Lamp holder 1 is a lamp screw base 1, and the present invention can be fixedlyed connected with traditional light fixture socket, and certainly, lamp holder 1 of the present invention can be the lamp holder of models such as E12, E14, E17, E26, E27, B22.
Lampshade 2 is the candle lampshade, and the light that led chip 62 is sent can see through lampshade 2 and shine out the purpose that reaches illumination or decorate.Certainly, described candle lampshade can be selected for use according to actual application environment and be glass candle lampshade or plastics candle lampshade, also can be transparent candle lampshade or translucent candle lampshade.
The embodiment 2 of a kind of LED bulb of the present invention, the difference of present embodiment and embodiment 1 is, lampshade 2 is a globe holder, and globe holder can be selected for use according to actual application environment and be glass globe holder or plastics globe holder, also can be transparent sphere lampshade or translucent spherical lampshade.Certainly, lampshade of the present invention also can be other shape, is not limited only to candle or sphere.Other structure and the operation principle of present embodiment are identical with embodiment 1, do not repeat them here.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although the present invention has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (10)
1. LED bulb, it includes lamp holder, lampshade, be positioned at the power supply of lamp holder, be connected with the heat radiating metal shell between lamp holder and the lampshade, 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, heat-radiating substrate is pegged graft and is fixed with the LED Column being luminous, it is characterized in that: described LED Column being luminous comprises two PCB substrates, 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 power supply, and the back side of two PCB substrates is close to fixing mutually, and is gripped with heat dissipation metal plate between the back side of two PCB substrates.
2. LED bulb according to claim 1 is characterized in that: described heat dissipation metal plate is a copper sheet.
3. LED bulb according to claim 2 is characterized in that: the area of described heat dissipation metal plate side is greater than the area of PCB substrate back.
4. LED bulb according to claim 2 is characterized in that: the height of the led chip of described two PCB substrates equates.
5. LED bulb according to claim 4 is characterized in that: described LED Column being luminous is more than two or two.
6. LED bulb according to claim 5 is characterized in that: be fixed with insulation sleeve in the bottom of described heat radiating metal shell.
7. LED bulb according to claim 5 is characterized in that: described heat-radiating substrate, PCB substrate are the heat-radiating aluminum plate, and the bottom of PCB substrate is provided with the Plug Division, and wherein, the two PCB substrates and the heat dissipation metal plate of LED Column being luminous are to fix by rivet.
8. LED bulb according to claim 1 is characterized in that: described PCB substrate offers the blind hole that is used for packaging LED chips, and led chip is fixed in the blind hole by resin-encapsulated, and the inside edge of blind hole is outward-dipping slope.
9. LED bulb according to claim 1 is characterized in that: described lamp holder is a lamp screw base.
10. according to any described LED bulb of claim 1 to 9, it is characterized in that: described lampshade is candle lampshade or globe holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100313958A CN102032493A (en) | 2011-01-28 | 2011-01-28 | LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100313958A CN102032493A (en) | 2011-01-28 | 2011-01-28 | LED bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102032493A true CN102032493A (en) | 2011-04-27 |
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ID=43885754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100313958A Pending CN102032493A (en) | 2011-01-28 | 2011-01-28 | LED bulb |
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| CN (1) | CN102032493A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128381A (en) * | 2011-04-20 | 2011-07-20 | 东莞市美能电子有限公司 | LED (Light-Emitting Diode) lamp bulb with high lighting effect |
| CN102182950A (en) * | 2011-05-05 | 2011-09-14 | 鹤山健豪灯饰企业有限公司 | LED (Light Emitting Diode) bulb |
| CN102364215A (en) * | 2011-07-26 | 2012-02-29 | 浙江迈勒斯照明有限公司 | Light-emitting diode (LED) candle lamp |
| CN102518968A (en) * | 2011-12-20 | 2012-06-27 | 东莞市奥一特实业有限公司 | Bulb lamp production method and bulb lamp produced thereby |
| CN102537729A (en) * | 2011-12-20 | 2012-07-04 | 东莞市奥一特实业有限公司 | Preparation method of all-dimensional candle lamp and all-dimensional candle lamp |
| CN102661501A (en) * | 2012-04-18 | 2012-09-12 | 广东伟锋光电科技有限公司 | Light emitting diode (LED) lamp bulb with integrated heat radiating structure |
| CN102748628A (en) * | 2012-07-04 | 2012-10-24 | 曾浩华 | LED (light emitting diode) illumination lamp |
| CN103090218A (en) * | 2011-11-02 | 2013-05-08 | 隆达电子股份有限公司 | Lamp structure and method for assembling lampshade and lamp holder |
| CN103162137A (en) * | 2013-02-27 | 2013-06-19 | 翁小翠 | Light-emitting diode (LED) lamp |
| CN103174959A (en) * | 2011-12-21 | 2013-06-26 | 四川柏狮光电技术有限公司 | 360-degree luminous bulb |
| CN104279444A (en) * | 2014-09-16 | 2015-01-14 | 韦亮 | COB (chip on board) type LED (light emitting diode) light source assembly and illumination device with light source assembly |
| CN105715975A (en) * | 2016-03-21 | 2016-06-29 | 漳州立达信光电子科技有限公司 | LED bulb |
| CN109065526A (en) * | 2013-07-01 | 2018-12-21 | 晶元光电股份有限公司 | Light-emitting diode component and production method |
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| CN201184555Y (en) * | 2007-12-28 | 2009-01-21 | 王鑫超 | Multilateral caulking groove type column-shaped LED light bulb |
| CN201212663Y (en) * | 2008-02-04 | 2009-03-25 | 保定市宝新世纪路灯厂 | LED unit radiating heat directly and LED wick composed of the same |
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| CN201083360Y (en) * | 2007-07-09 | 2008-07-09 | 林志泽 | LED lamp combined structure |
| CN201184555Y (en) * | 2007-12-28 | 2009-01-21 | 王鑫超 | Multilateral caulking groove type column-shaped LED light bulb |
| CN201212663Y (en) * | 2008-02-04 | 2009-03-25 | 保定市宝新世纪路灯厂 | LED unit radiating heat directly and LED wick composed of the same |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128381A (en) * | 2011-04-20 | 2011-07-20 | 东莞市美能电子有限公司 | LED (Light-Emitting Diode) lamp bulb with high lighting effect |
| CN102182950A (en) * | 2011-05-05 | 2011-09-14 | 鹤山健豪灯饰企业有限公司 | LED (Light Emitting Diode) bulb |
| CN102364215A (en) * | 2011-07-26 | 2012-02-29 | 浙江迈勒斯照明有限公司 | Light-emitting diode (LED) candle lamp |
| CN102364215B (en) * | 2011-07-26 | 2017-08-01 | 郭邦俊 | A kind of LED candle-light lamps |
| CN103090218A (en) * | 2011-11-02 | 2013-05-08 | 隆达电子股份有限公司 | Lamp structure and method for assembling lampshade and lamp holder |
| CN102518968A (en) * | 2011-12-20 | 2012-06-27 | 东莞市奥一特实业有限公司 | Bulb lamp production method and bulb lamp produced thereby |
| CN102537729A (en) * | 2011-12-20 | 2012-07-04 | 东莞市奥一特实业有限公司 | Preparation method of all-dimensional candle lamp and all-dimensional candle lamp |
| CN103174959A (en) * | 2011-12-21 | 2013-06-26 | 四川柏狮光电技术有限公司 | 360-degree luminous bulb |
| CN102661501A (en) * | 2012-04-18 | 2012-09-12 | 广东伟锋光电科技有限公司 | Light emitting diode (LED) lamp bulb with integrated heat radiating structure |
| CN102748628A (en) * | 2012-07-04 | 2012-10-24 | 曾浩华 | LED (light emitting diode) illumination lamp |
| CN103162137A (en) * | 2013-02-27 | 2013-06-19 | 翁小翠 | Light-emitting diode (LED) lamp |
| CN109065526A (en) * | 2013-07-01 | 2018-12-21 | 晶元光电股份有限公司 | Light-emitting diode component and production method |
| CN104279444A (en) * | 2014-09-16 | 2015-01-14 | 韦亮 | COB (chip on board) type LED (light emitting diode) light source assembly and illumination device with light source assembly |
| CN105715975A (en) * | 2016-03-21 | 2016-06-29 | 漳州立达信光电子科技有限公司 | LED bulb |
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Application publication date: 20110427 |