CN201935013U - Light-emitting diode (LED) lamp bulb - Google Patents
Light-emitting diode (LED) lamp bulb Download PDFInfo
- Publication number
- CN201935013U CN201935013U CN2011200305904U CN201120030590U CN201935013U CN 201935013 U CN201935013 U CN 201935013U CN 2011200305904 U CN2011200305904 U CN 2011200305904U CN 201120030590 U CN201120030590 U CN 201120030590U CN 201935013 U CN201935013 U CN 201935013U
- Authority
- CN
- China
- Prior art keywords
- led
- pcb
- heat
- lampshade
- luminous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The utility model relates to the technology of light-emitting diode lamps, in particular to an LED lamp bulb, which comprises a lamp cap, a lampshade and a power supply positioned in the lamp cap. The lamp cap is connected with the lampshade through the heat radiating metal shell in a blocking mode, and a heat radiating subtract is in a fixed snap fit with the top of the heat radiating metal shell in a blocking mode. An LED luminescent bar is fixedly inserted into the heat radiating subtract in a splice mode, and comprises two substrates of printed circuit board (PCB). LED chips are sealed and packed on the front surfaces of the two PCB substrates, and the LED chips are in electric connection with PCB substrates which are in electric connection with the power supply. The backs of the two PCB substrates are pressed against with each other and fixed, and a heat radiating sheet metal is clamped between the backs of the two PCB substrates. The LED lamp bulb is capable of realizing radial light emitting, the coverage area of lights is large, and the speed of heat radiating is fast.
Description
Technical field
The utility model relates to LED light fixture technology, relates 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 purpose of this utility model be to provide at the deficiencies in the prior art a kind of can be radially luminous, LED bulb that radiating rate is fast.
The purpose of this utility model 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.
The utility model beneficial effect is: the utility model 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 utility model 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 utlity model has the characteristics 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 utility model embodiment 1.
Fig. 2 is the decomposing schematic representation of a kind of LED bulb of the utility model embodiment 1.
Fig. 3 is the structural representation that conceals lampshade of a kind of LED bulb of the utility model embodiment 1.
Fig. 4 is the structural representation of the LED Column being luminous of a kind of LED bulb of the utility model embodiment 1.
Fig. 5 is the side view of the LED Column being luminous of a kind of LED bulb of the utility model embodiment 1.
Fig. 6 is the decomposing schematic representation of the LED Column being luminous of a kind of LED bulb of the utility model embodiment 1.
Fig. 7 is that the light of the encapsulated LED chip of a kind of LED bulb of the utility model 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
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment 1
A kind of LED bulb of the present utility model, 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 utility model can substitute traditional tengsten lamp, the purpose that reaches illumination or decorate.Certainly, because the utility model has adopted the led chip 62 of power saving, long service life as light source,, the utlity model has advantages such as power saving, long service life than traditional tengsten lamp.
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 utility model 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 the utility model LED Column being luminous 6 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 utility model 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 utility model can be fixedlyed connected with traditional light fixture socket, and certainly, the utility model lamp holder 1 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 utility model, 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 utility model 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 the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; although the utility model 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 the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200305904U CN201935013U (en) | 2011-01-28 | 2011-01-28 | Light-emitting diode (LED) lamp bulb |
| PCT/CN2011/072520 WO2012100460A1 (en) | 2011-01-28 | 2011-04-08 | Led lamp |
| HK11113713.6A HK1160581A2 (en) | 2011-01-28 | 2011-12-20 | Led bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200305904U CN201935013U (en) | 2011-01-28 | 2011-01-28 | Light-emitting diode (LED) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935013U true CN201935013U (en) | 2011-08-17 |
Family
ID=44446532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200305904U Ceased CN201935013U (en) | 2011-01-28 | 2011-01-28 | Light-emitting diode (LED) lamp bulb |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN201935013U (en) |
| HK (1) | HK1160581A2 (en) |
| WO (1) | WO2012100460A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032493A (en) * | 2011-01-28 | 2011-04-27 | 东莞市美能电子有限公司 | LED bulb |
| CN102748611A (en) * | 2012-06-11 | 2012-10-24 | 蔡干强 | Light-emitting diode (LED) lamp |
| CN103016986A (en) * | 2012-12-17 | 2013-04-03 | 厦门立明光电有限公司 | LED (light-emitting diode) bulb |
| CN103672504A (en) * | 2013-11-09 | 2014-03-26 | 湖州巨群光电科技有限公司 | LED lamp with wide light emission range |
| WO2014101249A1 (en) * | 2012-12-24 | 2014-07-03 | 上海顿格电子贸易有限公司 | Bulb of inclined and rotary combined led lamp filament structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101160490B (en) * | 2005-04-14 | 2010-12-15 | 阿隆株式会社 | Rotating lamp |
| US20090122552A1 (en) * | 2007-11-09 | 2009-05-14 | Chuntlon Enterprise Co., Ltd. | Low power consumption high illumination LED lamp |
| US7815333B2 (en) * | 2008-09-26 | 2010-10-19 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Solar LED lamp |
| JP2010157459A (en) * | 2008-12-31 | 2010-07-15 | Keiji Iimura | Led lamp, and bulb-type led lamp |
| CN201373347Y (en) * | 2009-02-18 | 2009-12-30 | 杨春建 | LED light |
| CN101825236B (en) * | 2009-03-07 | 2013-04-24 | 富准精密工业(深圳)有限公司 | Light-emitting diode lamp |
| CN101782190B (en) * | 2010-03-15 | 2012-06-27 | 厦门聚萤光电科技有限公司 | High-power LED (light emitting diode) lighting equipment |
-
2011
- 2011-01-28 CN CN2011200305904U patent/CN201935013U/en not_active Ceased
- 2011-04-08 WO PCT/CN2011/072520 patent/WO2012100460A1/en active Application Filing
- 2011-12-20 HK HK11113713.6A patent/HK1160581A2/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032493A (en) * | 2011-01-28 | 2011-04-27 | 东莞市美能电子有限公司 | LED bulb |
| CN102748611A (en) * | 2012-06-11 | 2012-10-24 | 蔡干强 | Light-emitting diode (LED) lamp |
| CN102748611B (en) * | 2012-06-11 | 2014-10-01 | 蔡干强 | Light-emitting diode (LED) lamp |
| CN103016986A (en) * | 2012-12-17 | 2013-04-03 | 厦门立明光电有限公司 | LED (light-emitting diode) bulb |
| CN103016986B (en) * | 2012-12-17 | 2016-03-23 | 厦门立达信照明有限公司 | LED bulb |
| WO2014101249A1 (en) * | 2012-12-24 | 2014-07-03 | 上海顿格电子贸易有限公司 | Bulb of inclined and rotary combined led lamp filament structure |
| CN103672504A (en) * | 2013-11-09 | 2014-03-26 | 湖州巨群光电科技有限公司 | LED lamp with wide light emission range |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1160581A2 (en) | 2012-07-20 |
| WO2012100460A1 (en) | 2012-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20121018 Decision number of declaring invalidation: 19402 Granted publication date: 20110817 |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IP01 | Partial invalidation of patent right |
Decision date of declaring invalidation: 20121018 Decision number of declaring invalidation: 19402 Granted publication date: 20110817 |