CN202501252U - No-screw type LED bulb lamp - Google Patents
No-screw type LED bulb lamp Download PDFInfo
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- CN202501252U CN202501252U CN2012200901593U CN201220090159U CN202501252U CN 202501252 U CN202501252 U CN 202501252U CN 2012200901593 U CN2012200901593 U CN 2012200901593U CN 201220090159 U CN201220090159 U CN 201220090159U CN 202501252 U CN202501252 U CN 202501252U
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- radiator
- light source
- bulb lamp
- led bulb
- plated
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A no-screw type LED bulb lamp mainly comprises a COB light source formed by packaging an LED chip on an aluminum support. An optical lampshade is assembled on the light source. A surface silvering layer capable of improving the LED package light extraction efficiency is plated on the upper surface of the aluminum support. The COB light source and a radiator with a surface plated with copper are integrally welded into a light source radiator in a high-temperature reflow soldering way. A high-temperature-resistance anti-contact plastic lamp housing is buckled with the integral light source radiator through three buckles. The aluminum support is formed by a high-heat-conduction aluminum plate coated with silver. The radiator is made by a die-casting aluminum member plated with copper. The radiator upper surface which is smooth is plated with copper. Eighteen pieces of radiating fins capable of increasing the surface area of the radiator are uniformly distributed on the periphery of the radiator. The periphery of the radiator further has three inverted clamping positions uniformly distributed thereon and applied for installing the integral light source radiator in a mutually matching way. The no-screw type LED bulb lamp provided in the utility model has the characteristics of good heat conduction, rapid heat radiation, high luminous efficiency, high color rendering index, insignificant light decay, strong reliability, soft light and long service lifetime, etc.
Description
Technical field
The utility model relates to a kind of novel no screw LED bulb lamp, belong 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 purpose of the utility model is to overcome the deficiency that prior art exists, and a kind of thermal resistance that can reduce is provided, and promotes heat dispersion greatly, and overall performance is superior, the no screw LED bulb lamp of good reliability.
The purpose of the utility model is accomplished 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 utility model 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 the said bulb lamp split of a utility model structural representation;
Fig. 2 is the stereochemical structure heat radiation sketch map of the said bulb lamp of the utility model;
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 utility model is described in further detail below.Fig. 1, shown in 2, the utility model 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.
The described radiator of the utility model 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.
The embodiment of the utility model is 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 the specific embodiment of the utility model.
Embodiment:
The utility model 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 utility model also adopts the optics lampshade 1 of high transmission rate; 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, and the environment for use temperature is between-40 ° of C-110 ° C; Has high flame resistance; 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; Lighting angle can't see inner light source simultaneously greater than 270 in vertical direction.
The utility model 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 utility model 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 with light source, the light source bracket and the radiator shell temperature difference are remained in 1 ° of C.
It is the shell electrocution-proof protection that the utility model 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 the preferred implementation of the utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the utility model inventive concept, any conspicuous replacement all should fall within the protection domain of the utility model.
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 |
|---|---|---|---|
| CN2012200901593U CN202501252U (en) | 2012-03-12 | 2012-03-12 | No-screw type LED bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200901593U CN202501252U (en) | 2012-03-12 | 2012-03-12 | No-screw type LED bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202501252U true CN202501252U (en) | 2012-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200901593U Expired - Fee Related CN202501252U (en) | 2012-03-12 | 2012-03-12 | No-screw type LED bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202501252U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606923A (en) * | 2012-03-12 | 2012-07-25 | 浙江名芯半导体科技有限公司 | Screw-free light emitting diode (LED) bulb lamp |
| CN103032749A (en) * | 2013-01-17 | 2013-04-10 | 上海惠楷节能科技（集团）有限公司 | LED (Light Emitting Diode) lamp with light transmission cover and method for increasing light transmission rate of LED lamp |
| CN103090231A (en) * | 2013-01-22 | 2013-05-08 | 钦州盛和电子科技有限公司 | High-power light-emitting diode (LED) module and manufacturing method thereof |
| CN103672526A (en) * | 2013-12-30 | 2014-03-26 | 蔡干强 | Bulb with good heat dissipating effect |
| CN103791251A (en) * | 2012-10-30 | 2014-05-14 | 何志雄 | LED (light emitting diode) bulb lamp |
-
2012
- 2012-03-12 CN CN2012200901593U patent/CN202501252U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606923A (en) * | 2012-03-12 | 2012-07-25 | 浙江名芯半导体科技有限公司 | Screw-free light emitting diode (LED) bulb lamp |
| CN103791251A (en) * | 2012-10-30 | 2014-05-14 | 何志雄 | LED (light emitting diode) bulb lamp |
| CN103032749A (en) * | 2013-01-17 | 2013-04-10 | 上海惠楷节能科技（集团）有限公司 | LED (Light Emitting Diode) lamp with light transmission cover and method for increasing light transmission rate of LED lamp |
| CN103090231A (en) * | 2013-01-22 | 2013-05-08 | 钦州盛和电子科技有限公司 | High-power light-emitting diode (LED) module and manufacturing method thereof |
| CN103672526A (en) * | 2013-12-30 | 2014-03-26 | 蔡干强 | Bulb with good heat dissipating effect |
| CN103672526B (en) * | 2013-12-30 | 2016-05-04 | 蔡干强 | A kind of bulb of good heat dissipation effect |
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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: 20121024 Termination date: 20140312 |