CN102606923A - Screw-free light emitting diode (LED) bulb lamp - Google Patents
Screw-free light emitting diode (LED) bulb lamp Download PDFInfo
- Publication number
- CN102606923A CN102606923A CN2012100632587A CN201210063258A CN102606923A CN 102606923 A CN102606923 A CN 102606923A CN 2012100632587 A CN2012100632587 A CN 2012100632587A CN 201210063258 A CN201210063258 A CN 201210063258A CN 102606923 A CN102606923 A CN 102606923A
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- bulb lamp
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Abstract
A screw-free light emitting diode (LED) bulb lamp mainly comprises a chip on board (COB) light source formed by packaging an LED chip on an aluminum bracket, an optical lamp house covered on the COB light source, and a silver coating plated on an upper surface of the aluminum bracket and capable of improving the light extraction efficiency of LED package; an integrated light source radiator formed of the COB light source and a radiator coated with copper on the surface by high-temperature solder reflow; and a high-temperature-resistant anti-contact plastic housing buckled together with the integrated light source radiator. The aluminum bracket is made of high-heat-conductivity silver-clad aluminum boards. The radiator is made of copper-clad aluminum die casts, and its upper surface is smooth and coated with copper. The periphery of the radiator is uniformly distributed with 18 pieces of radiator fins, and uniformly distributed with three buckles for matched mounting of the integrated light source radiator. The LED bulb lamp has good heat conductivity, fast heat dissipation, high light efficiency, high color rendering index, low light attenuation, high reliability, soft light and long service life.
Description
Technical field
What the present invention relates to is a kind of novel no screw LED bulb lamp, belongs to a kind of LED lighting fixture.
Background technology
Along with the development of LED technology, LED uses more and more widely in all trades and professions, also has higher requirement for the LED bulb lamp of replacement conventional incandescent.
The radiating mode of existing LED bulb lamp is: through being welded on the aluminium base, aluminium base is again through locking screw on the shell radiator with packaged single LEDs light source.Its shortcoming is: the heat of LED junction temperature passes to heat dissipation metal blade behind through encapsulating structure to aluminium base again, transmits layer by layer therebetween, and thermal resistance value is big; Can solidify behind the long-time high temperature of heat-conducting glue filler between aluminium base and radiator; Form great thermal resistance, so radiating effect is very undesirable, light decay is very big; Unstable properties has a strong impact on the LED bulb lamp life-span.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, and a kind of thermal resistance that can reduce is provided, promote heat dispersion greatly, overall performance is superior, the no screw LED bulb lamp of good reliability.
The objective of the invention is to accomplish through following technical scheme; It comprises that mainly a led chip is encapsulated on the aluminum frame and the COB light source that constitutes; Be furnished with the optics lampshade on it, the upper surface of said aluminum frame is coated with the electroplate layer that can improve LED encapsulation light extraction efficiency; The radiator of a described COB light source and a copper coating welds the light source heat radiation device of integrally weldedization through high temperature reflux; One high temperature resistantly anti-touch the lamp plastic shell and is buckled together each other through three buckles and said integrated light source heat radiation device.
Said aluminum frame is that silver-plated high heat conduction aluminium sheet constitutes, and it has up to 99% reflectivity with greater than the thermal conductivity factor of 220W/M.K; Described optics lampshade selects for use optical resin, the material of a kind of PC of being similar to be different from conventional PC or PMMA, has the high transmission rate more than 94%, high diffusion, free from glare, no shadow and high transmission rate.
Described radiator is that copper-plated die casting aluminum component is processed, the smooth and copper plating treatment of upper surface; Its periphery is evenly distributed with can increase the 18PCS of radiator surface area fin, and is evenly equipped with three and is used for the screens of falling that integrated light source heat radiation device is cooperatively interacted and is installed together.
The described high temperature resistant anti-lamp plastic shell inside of touching is uniformly distributed with three screens and incorporate light source heat radiation device and interlocks and be integral; Said high temperature resistant anti-touch the lamp plastic shell be provided with make aluminium radiator surface heat and the mutual convection current of air and radiation, effectively to reduce the wide transverse convection groove of 3.0MM, the thick airflow hole of 1.5MM and the 3.0MM of junction temperature of chip wide vertically to chute.
The present invention adopts the COB light source of the high light efficiency of encapsulation directly to be welded on the copper-plated aluminium radiator, and light source, support and radiator are really become one, and reduces thermal resistance, promotes heat dispersion greatly; Other adds a plastic shell and does electrocution-proof protection, and appearance and modeling is elegant in appearance; Use the plastic lamp shade of high transmission rate; Add high efficiency constant-current driving power supply, superior, the good reliability of overall performance.It has that heat conduction is excellent, rapid heat dissipation, high, the characteristics such as colour rendering index is high, light decay is little, good reliability, light is soft, the life-span is long of light efficiency.
Description of drawings
Fig. 1 is a bulb lamp split structural representation according to the invention;
Fig. 2 is the stereochemical structure heat radiation sketch map of bulb lamp according to the invention;
Label is among the figure: optics lampshade 1, led chip 2, aluminum frame 3, radiator 4; Buckle 5, high temperature resistant anti-touch lamp plastic shell 6, high reliability long-life constant-flow driver 7; Copper E27 lamp holder 8, the transverse convection groove a that 3.0MM is wide, the airflow hole b that 1.5MM is thick; 3.0MM wide vertically to chute c, the high light efficiency of LED high showing refers to COB light source d, incorporate light source and radiator e.
The specific embodiment
To combine accompanying drawing that the present invention is described in further detail below.Fig. 1, shown in 2, the present invention mainly comprises the COB light source d that a led chip 2 is encapsulated on the aluminum frame 3 and constitute, and is furnished with optics lampshade 1 on it, the upper surface of said aluminum frame 3 is coated with the electroplate layer that can improve LED encapsulation light extraction efficiency; The radiator 4 of a described COB light source d and a copper coating welds the light source heat radiation device e of integrally weldedization through high temperature reflux; The one high temperature resistant anti-lamp plastic shell 6 that touches is buckled together with said integrated light source heat radiation device e through three buckles 5 each other.
Aluminum frame shown in the figure 3 is that silver-plated high heat conduction aluminium sheet constitutes, and it has up to 99% reflectivity with greater than the thermal conductivity factor of 220W/M.K; Described optics lampshade 1 selects for use optical resin, the material of a kind of PC of being similar to be different from conventional PC or PMMA, has the high transmission rate more than 94%, high diffusion, free from glare, no shadow and high transmission rate, and becomes a kind of high transmission rate optics lampshade.
Radiator of the present invention 4 is processed for copper-plated die casting aluminum component, the smooth and copper plating treatment of upper surface, and become the high heat conduction aluminium radiator of a kind of copper coating; The periphery of this radiator 4 is evenly distributed with can increase the 18PCS of radiator surface area fin, and is evenly equipped with three and is used for the screens of falling that integrated light source heat radiation device is cooperatively interacted and is installed together.
Described high temperature resistant anti-lamp plastic shell 6 inside of touching are uniformly distributed with three screens and incorporate light source heat radiation device e and interlock and be integral; Said high temperature resistant anti-touch lamp plastic shell 6 be provided with make aluminium radiator surface heat and the mutual convection current of air and radiation, effectively to reduce the wide transverse convection groove of 3.0MM a, the thick airflow hole b of 1.5MM and the 3.0MM of junction temperature of chip wide vertically to chute c.
Embodiments of the invention are not limited to following particular content, and the replacement of every arbitrary characteristics of on the basis of above public technology, being done all possibly constitute specific embodiment of the present invention.
Embodiment:
The present invention forms integrated through high temperature reflux weldering scolding tin the high high heat conduction aluminium radiator 4 that refers to COB light source d and copper coating that shows of the high light efficiency of LED; Greatly reduce thermal resistance, the heat conduction is more direct rapidly, has fundamentally solved difficult, the difficult points such as the air thermal resistance is big, the temperature difference big, thermal paste Yi Gan of conventional products lock screw; Very big elevator system heat dispersion; Have a narrow range of temperature, light decay is little, more can ensure the long-life of LED bulb lamp.
The present invention also adopts the optics lampshade 1 of high transmission rate, and its material of selecting for use is different from conventional PC or PMMA, and it is the optical resin of a kind of PC of being similar to; The environment for use temperature has high flame resistance between-40 ° of C-110 ° C, through European ROHS environmental protection standard; Have advantages such as the high transmission rate more than 94%, high diffusion, free from glare, no shadow; It is luminous more to transfer light source to sphere when LED is luminous, and lighting angle can't see inner light source simultaneously greater than 270 in vertical direction.
The present invention directly is encapsulated in the mode of the led chip 2 usefulness COB of high light efficiency on the aluminum frame 3 of high thermal conductivity, and aluminum frame can improve luminous efficiency of source more than 99% greatly through silver-plated reflecting rate; The aluminum frame thermal conductivity factor is more than 220W/M.K, and the capacity of heat transmission is conventional aluminium base (thermal conductivity factor 2.0W/M.K) more than 110 times, and so good aluminum frame more helps the decline of junction temperature of chip, effectively ensures the LED long-life.
The present invention is integrally welded through Reflow Soldering with high light efficiency COB light source with the aluminium radiator 4 of copper coating; The surface of aluminium radiator 4 plates layer of copper; Further improved the thermal conductivity factor of radiator, and be welded into one, the light source bracket and the radiator shell temperature difference are remained in 1 ° of C with light source.
It is the shell electrocution-proof protection that the present invention adopts resistant to elevated temperatures plastic material PBT, and fire-protection rating is at UL94V-O, and the PBT antiultraviolet, uses not flavescence for a long time, forever keeps ball bubble outward appearance primary colors.Shell through about the design, left and right sides convection current and the required airflow hole of radiation, let radiator and surrounding air carry out good " breathings ", exchange the also outside radiations heat energy of cold and hot air, make the temperature of radiator remain on 45 ° of C following (25 ° of C of environment temperature).Another advantage of plastic shell is still can touch with hand after lighting use for a long time, can not touch it unlike metal shell scalds one's hand.Whole bulb lamp does not use a screw; But in the plastic shell indoor design three screens that interlock with aluminium radiator; It is simple in structure, assembling is easy, only need during installation with incorporate light source heat radiation device to good screens after gently to next by accomplishing assembling, promote production efficiency greatly.
In order further to ensure the long-life of bulb lamp, this kind of New LED bulb lamp adopts the constant-flow driver of high reliability especially.Constant-current supply can be eliminated the LED forward voltage and change the electric current caused and change, and therefore how forward voltage changes and all can produce constant LED brightness.Electrical equipment adopts the high-performance electronic components and parts, and efficient reaches more than 90%, volume is little, cross EMC, have led short circuit, open-circuit-protection.
Above-mentioned case study on implementation is merely preferred implementation of the present invention, and in addition, the present invention can also have other implementations.That is to say that under the prerequisite that does not break away from inventive concept of the present invention, any conspicuous replacement all should fall within protection scope of the present invention.
Claims (4)
1. LED bulb lamp that does not have screw, it comprises that mainly a led chip is encapsulated on the aluminum frame and the COB light source that constitutes, and is furnished with the optics lampshade on it, it is characterized in that the upper surface of said aluminum frame is coated with the electroplate layer that can improve LED encapsulation light extraction efficiency; The radiator of a described COB light source and a copper coating welds the light source heat radiation device of integrally weldedization through high temperature reflux; One high temperature resistantly anti-touch the lamp plastic shell and is buckled together each other through three buckles and said integrated light source heat radiation device.
2. the LED bulb lamp of no screw according to claim 1 is characterized in that said aluminum frame is that silver-plated high heat conduction aluminium sheet constitutes, and it has up to 99% reflectivity with greater than the thermal conductivity factor of 220W/M.K; Described optics lampshade selects for use optical resin, the material of a kind of PC of being similar to be different from conventional PC or PMMA, has the high transmission rate more than 94%, high diffusion, free from glare, no shadow and high transmission rate.
3. the LED bulb lamp of no screw according to claim 1 is characterized in that described radiator is that copper-plated die casting aluminum component is processed, the smooth and copper plating treatment of upper surface; Its periphery is evenly distributed with can increase the 18PCS of radiator surface area fin, and is evenly equipped with three and is used for the screens of falling that integrated light source heat radiation device is cooperatively interacted and is installed together.
4. the LED bulb lamp of no screw according to claim 1 is characterized in that the described high temperature resistant anti-lamp plastic shell inside of touching is uniformly distributed with three screens and incorporate light source heat radiation device and interlocks and be integral; Said high temperature resistant anti-touch the lamp plastic shell be provided with make aluminium radiator surface heat and the mutual convection current of air and radiation, effectively to reduce the wide transverse convection groove of 3.0MM, the thick airflow hole of 1.5MM and the 3.0MM of junction temperature of chip wide vertically to chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100632587A CN102606923A (en) | 2012-03-12 | 2012-03-12 | Screw-free light emitting diode (LED) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100632587A CN102606923A (en) | 2012-03-12 | 2012-03-12 | Screw-free light emitting diode (LED) bulb lamp |
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| CN102606923A true CN102606923A (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100632587A Pending CN102606923A (en) | 2012-03-12 | 2012-03-12 | Screw-free light emitting diode (LED) bulb lamp |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047557A (en) * | 2012-09-14 | 2013-04-17 | 孙百贵 | Manufacture process of light-emitting diode (LED) lamp based on chip on board (COB) device |
| CN105546496A (en) * | 2014-10-29 | 2016-05-04 | 黄子晋 | Ultra-durable low-cost safe and energy-saving LED lamp |
| CN105715973A (en) * | 2016-02-04 | 2016-06-29 | 华侨大学 | All-plastic LED bulb lamp for enhancing convection heat radiation |
| CN106152078A (en) * | 2014-10-29 | 2016-11-23 | 黄子晋 | High-effect Low-cost LED lamp heat radiation protection mechanism |
| CN106152079A (en) * | 2015-04-09 | 2016-11-23 | 黄子晋 | The manufacture method of high-effect Low-cost LED lamp heat radiation protection mechanism |
| CN107256922A (en) * | 2017-07-14 | 2017-10-17 | 湖南粤港模科实业有限公司 | A kind of aluminum foil type radiator and chip package integrated optical source structure |
| CN107642689A (en) * | 2017-09-07 | 2018-01-30 | 湖南粤港模科实业有限公司 | Illuminator |
Citations (6)
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| CN101545619A (en) * | 2008-03-28 | 2009-09-30 | 胡凯 | Radiator lamp body structure for LED lamp |
| CN201787542U (en) * | 2010-11-24 | 2011-04-06 | 宁波同泰电气股份有限公司 | LED lamp inside-outside circulating convection type heat dissipating structure |
| CN201983014U (en) * | 2010-12-31 | 2011-09-21 | 浙江生辉照明有限公司 | Combined type LED lamp |
| CN102297352A (en) * | 2011-08-23 | 2011-12-28 | 甄海威 | LED (light-emitting diode) lamp based on composite heat-radiating technique |
| CN202134535U (en) * | 2011-06-21 | 2012-02-01 | 南京汉德森科技股份有限公司 | LED integrated packaging power source module |
| CN202501252U (en) * | 2012-03-12 | 2012-10-24 | 浙江名芯半导体科技有限公司 | No-screw type LED bulb lamp |
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2012
- 2012-03-12 CN CN2012100632587A patent/CN102606923A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545619A (en) * | 2008-03-28 | 2009-09-30 | 胡凯 | Radiator lamp body structure for LED lamp |
| CN201787542U (en) * | 2010-11-24 | 2011-04-06 | 宁波同泰电气股份有限公司 | LED lamp inside-outside circulating convection type heat dissipating structure |
| CN201983014U (en) * | 2010-12-31 | 2011-09-21 | 浙江生辉照明有限公司 | Combined type LED lamp |
| CN202134535U (en) * | 2011-06-21 | 2012-02-01 | 南京汉德森科技股份有限公司 | LED integrated packaging power source module |
| CN102297352A (en) * | 2011-08-23 | 2011-12-28 | 甄海威 | LED (light-emitting diode) lamp based on composite heat-radiating technique |
| CN202501252U (en) * | 2012-03-12 | 2012-10-24 | 浙江名芯半导体科技有限公司 | No-screw type LED bulb lamp |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047557A (en) * | 2012-09-14 | 2013-04-17 | 孙百贵 | Manufacture process of light-emitting diode (LED) lamp based on chip on board (COB) device |
| CN105546496A (en) * | 2014-10-29 | 2016-05-04 | 黄子晋 | Ultra-durable low-cost safe and energy-saving LED lamp |
| CN106152078A (en) * | 2014-10-29 | 2016-11-23 | 黄子晋 | High-effect Low-cost LED lamp heat radiation protection mechanism |
| CN106152079A (en) * | 2015-04-09 | 2016-11-23 | 黄子晋 | The manufacture method of high-effect Low-cost LED lamp heat radiation protection mechanism |
| CN105715973A (en) * | 2016-02-04 | 2016-06-29 | 华侨大学 | All-plastic LED bulb lamp for enhancing convection heat radiation |
| CN107256922A (en) * | 2017-07-14 | 2017-10-17 | 湖南粤港模科实业有限公司 | A kind of aluminum foil type radiator and chip package integrated optical source structure |
| CN107256922B (en) * | 2017-07-14 | 2023-05-26 | 湖南粤港模科实业有限公司 | Aluminum foil type radiator and chip packaging integrated light source structure |
| CN107642689A (en) * | 2017-09-07 | 2018-01-30 | 湖南粤港模科实业有限公司 | Illuminator |
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Application publication date: 20120725 |