CN202884588U - LED light bulb - Google Patents

LED light bulb Download PDF

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Publication number
CN202884588U
CN202884588U CN2012205493054U CN201220549305U CN202884588U CN 202884588 U CN202884588 U CN 202884588U CN 2012205493054 U CN2012205493054 U CN 2012205493054U CN 201220549305 U CN201220549305 U CN 201220549305U CN 202884588 U CN202884588 U CN 202884588U
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led
circuit board
light source
led light
end surface
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Expired - Fee Related
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CN2012205493054U
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Chinese (zh)
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罗福星
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Individual
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  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

本实用新型公开一种LED电灯泡,其发光灯体由一下端与灯头座连接固定的散热件、安装在散热件上端面上的LED光源和一与LED光源电气连接的LED驱动器组成,LED驱动器与灯头电气连接,灯头接通电源后,由LED驱动器驱动LED光源发光,具有发光效率高、消耗电能少,可靠耐用、维修成本低、绿色环保等优点;散热件呈直柱状,LED光源包括若干基板及设置在基板上的LED芯片,基板两两背对贴合形成发光组,发光组绕散热件上端面的中心设置,且均向外倾斜固定,LED芯片发光时使LED电灯泡实现360°照明。

The utility model discloses an LED electric light bulb, whose light-emitting lamp body is composed of a heat sink whose lower end is connected and fixed to a lamp holder seat, an LED light source installed on the upper end surface of the heat sink and an LED driver electrically connected to the LED light source, the LED driver is electrically connected to the lamp holder, after the lamp holder is powered on, the LED light source is driven by the LED driver to emit light, and has the advantages of high light-emitting efficiency, low power consumption, reliability and durability, low maintenance cost, green environmental protection, etc.; the heat sink is in a straight column shape, the LED light source includes a plurality of substrates and LED chips arranged on the substrates, the substrates are bonded back to back in pairs to form a light-emitting group, the light-emitting group is arranged around the center of the upper end surface of the heat sink, and is all tilted and fixed outwards, so that the LED electric light bulb can achieve 360-degree lighting when the LED chip emits light.

Description

The LED bulb
Technical field
The utility model relates to the LED lighting field, particularly a kind of 360 ° of luminous LED bulbs.
Background technology
Conventional light bulb is incandescent lamp, its operation principle is that electric current passes through filament (tungsten filament, fusing point reaches more than 3000 degree centigrade) time produce heat, spiral helicine filament is constantly with heat accumulation, so that the temperature of filament reaches more than 2000 degrees centigrade, filament when being in incandescent state, as the iron that burns red can be luminous and send light.When conventional light bulb is luminous, a large amount of electric energy will be converted into heat energy, only have a few part can be converted into useful luminous energy, and luminous efficiency is low.And the life-span of conventional light bulb is relevant with the temperature of filament, because temperature is higher, just easier distillation of filament when tungsten filament is sublimate into thinnerly when thin, just is easy to after the energising blow, and service life is short.And how therefore LED has advantages such as power consumption is low, the life-span is long, light efficiency is high, asepsis environment-protecting, apply to LED in the bulb, produces a kind of high light efficiency, power consumption 360 ° of luminous LED bulbs low, that the life-span is long are the technical problems that needs to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present utility model provides 360 ° of luminous LED bulbs that a kind of high light efficiency, power consumption are low, the life-span is long.
The utility model proposes a kind of LED bulb, comprise the lamp holder, bulb socket, luminescent lamp and the lampshade that connect successively, the radiating piece that described luminescent lamp is connected and fixed by a lower end and described bulb socket, be installed on the described radiating piece upper surface led light source and one and the led driver of described led light source electrical connection form, described led driver is electrically connected with described lamp holder; Described radiating piece is the right cylinder shape, and described led light source comprises some substrates and be arranged on led chip on the described substrate, and described substrate forms luminous group back to fitting in twos, and the described luminous group of center around described radiating piece upper surface arranges, and all outward-dipping fixing.
Preferably, described radiator is by the integrally manufactured moulding of the metal material of high heat conduction, comprises a thermal column and the heating column that extends to form straight up along the upper surface of described thermal column, and described led light source is fixed on the upper surface of described heating column.
Preferably, described thermal column and described heating column all are cylindric, the face area of described thermal column is provided with the link slot that is connected for described lampshade greater than the face area of described heating column in the upper surface of described thermal column, and described link slot is around described heating column setting.
Preferably, described lampshade is transparent glass cover, and described lampshade lower end is adhesively fixed in the described link slot by UV glue.
Preferably, described led light source comprises that also one keeps flat the connecting circuit board that is fixed on the described heating column upper surface, the described luminous group of center around described connecting circuit board evenly arranges, and equal outward-dipping being fixed on the described connecting circuit board, described luminous group with described connecting circuit board electrical connection.
Preferably, be provided with the light source mounting groove adaptive with described connecting circuit board in the upper surface of described heating column, described connecting circuit board is fixed in the described light source mounting groove by the screw face down; Described connecting circuit board be provided with some run through described connecting circuit board just, the slot at the back side, the described luminous group of back side that is fixed on described connecting circuit board, the electrode part of described luminous group of lower end extends the front of described connecting circuit board by slot, realizes electrical connection by welding between the lower end electrode section of described substrate and the described connecting circuit board.
Preferably, described led driver is arranged in described lamp holder and the described bulb socket, and the bottom surface of described light source mounting groove is provided with wire hole, and the wire that is electrically connected with described connecting circuit board is electrically connected by described wire hole and described led driver.
The radiating piece that the luminescent lamp of LED bulb of the present utility model is connected and fixed by a lower end and bulb socket, be installed on the radiating piece upper surface led light source and one and the led driver of led light source electrical connection form, led driver and lamp holder electrical connection, behind the lamp holder plugged, by led driver driving LED light source luminescent, have the luminous efficiency height, consume few, reliability and durability, the advantages such as maintenance cost is low, environmental protection of electric energy; Radiating piece is the right cylinder shape, led light source comprises some substrates and is arranged on led chip on the substrate, and substrate forms luminous group back to fitting in twos, and the luminous group of center around the radiating piece upper surface arranges, and all outward-dipping fixing, make the LED bulb realize 360 ° of illuminations when led chip is luminous.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model LED bulb;
Fig. 2 is the structural representation of luminescent lamp among the embodiment of the utility model LED bulb.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See figures.1.and.2, one embodiment of the utility model LED bulb is proposed, this LED bulb comprises lamp holder 10, bulb socket 100, luminescent lamp and the lampshade 40 that connects successively, bulb socket 100 is made by resin material, good weatherability has the advantage of not flavescence under shining for a long time through ultraviolet ray.The radiating piece 20 that luminescent lamp is connected and fixed by a lower end and bulb socket 100, be installed on radiating piece 20 upper surfaces led light source and one and the led driver of led light source electrical connection form, led driver is arranged in lamp holder 10 and the bulb socket 100, and with lamp holder 10 electrical connection, thereby in lamp holder 10 is fixed on outside adaptive lamp socket, and during plugged, led driver is the driving LED light source luminescent just.
This radiating piece 20 is the right cylinder shape, and the copper of the high heat conduction of serving as reasons, copper alloy, the integrally manufactured moulding of aluminum or aluminum alloy material have the effect of heat conduction, heat radiation.Radiating piece 20 comprises a thermal column 210 and the heating column 200 that extends to form straight up along the upper surface of thermal column 210, thermal column 210 and heating column 200 all are cylindric, the face area of thermal column 210 is greater than the face area of heating column 200, and heating column 200 is arranged on the middle position of thermal column 210 upper surfaces, also be provided with the link slot that is connected for lampshade 40 in the upper surface of thermal column 210, this link slot arranges around heating column 200.Lampshade 40 is transparent glass cover, and lampshade 40 lower ends are adhesively fixed in the link slot by UV glue, and lampshade 40 with heating column 200 covers within it.
Be provided with for the light source mounting groove that led light source is installed in the upper surface of heating column 200; led light source is installed on the light source mounting groove; thereby lampshade 40 with the led light source cover within it, and for the protection of led light source, and the light that led light source is sent is more concentrated, soft.Led light source comprises some substrates 30, is arranged on led chip 300 and a connecting circuit board 301 on the substrate 30, and the shape of this connecting circuit board 301 and light source mounting groove are adaptive, and keeps flat and be fixed in the light source mounting groove; Substrate 30 is the bar shaped aluminium base, is provided with 8, and 8 substrates 30 form 4 groups luminous group back to fitting in twos, and the 4 groups luminous group center around connecting circuit board 301 evenly arranges, and equal relative outward-dipping being fixed on the connecting circuit board 301 in center of connecting circuit board 301.Led chip 300 is installed in the upper part of bar shaped substrate 30, and the bottom of bar shaped substrate 30 is the electrode part that is comprised of the positive and negative electrode contact; The front of connecting circuit board 301 be provided with can with bar shaped substrate 30 on positive and negative electrode contact positive and negative electrode LED pad one to one, and can with the positive and negative electrode power pad of led driver electrical connection; Connecting circuit board 301 be provided with some run through connecting circuit board 301 just, the slot at the back side, the bottom of slot and luminous group is adaptive, on the back side that luminous group is fixed on connecting circuit board 301, and the electrode part of 30 lower ends of the two substrates in luminous group extends the front of connecting circuit board 301 by slot.Positive and negative electrode LED pad corresponding on positive and negative electrode contact on substrate 30 electrode parts and the connecting circuit board 301 welds by scolding tin, thereby realizes the electrical connection between substrate 30 and the connecting circuit board 301; Weld by scolding tin with the positive and negative electrode wire of led drive circuit electrical connection and the power pad on the connecting circuit board 301, realize the electrical connection between led driver and the led light source.Be equipped with corresponding installing hole on connecting circuit board 301 and the light source mounting groove, utilize screw to cooperate with installing hole, connecting circuit board 301 is fixed in the light source mounting groove, install simple, convenient; And the face down of connecting circuit board 301 fixes, and the wire of connection can not expose out, and is more attractive in appearance.4 groups of luminous group of centers around connecting circuit board 301 evenly arrange, and equal relative slightly outward-dipping being fixed on the connecting circuit board 301 in center of connecting circuit board 301, and connecting circuit board 301 keeps flat in the light source mounting groove that is fixed on heating column 200 upper surfaces, thereby luminous group of upper surface that is positioned at heating column 200, lampshade 40 makes the LED bulb realize 360 ° of illuminations with luminous group of cover within it when led chip 300 is luminous.
Bottom surface at the light source mounting groove is provided with wire hole, and wire wears out from wire hole and makes led driver and connecting circuit board 301 electrical connections, thereby realizes that led driver driving LED chip 300 is luminous.This LED bulb uses led chip 300 luminous, compares with use general lighting light source luminescent to have advantage:
1, the low characteristics of reliability and durability, maintenance cost, the life-span is 50000h, and 24h lighted available 7 years continuously, and than long 100 times of ordinary incandescent lamp bubble, and ordinary light source can damage because of overcurrent, overvoltage, needs frequent;
2, high, the few characteristics of consumption electric energy of luminous efficiency, the spectrum of great power LED almost all concentrates on visible light frequency band, its luminous efficiency can reach 80%-90%, and it is about 80% that light efficiency is that the incandescent lamp power consumption of the more equal brightness of LED of 75lm/W reduces, and great power LED is than electricity-saving lamp also energy-conservation 1/4;
3, light the characteristics that speed is fast, switch time is short, the fast response time of LED, the response time is several milliseconds, the response time of ordinary light source is 200 milliseconds;
4, the characteristics of environmental protection do not have the bazardous waste of mercury vapor lamp, reduce discarded object to the pollution of environment, and LED does not contain the part of infrared light and ultraviolet light, does not have radiation pollution, and direct drive, does not have stroboscopic, is the environmental protection light source of vision protection; And in use energy consumption is low, and is harmless to battery.
And owing to use led chip 300 luminous, so even lampshade 40 breakages can not affect the normally luminous of led light source yet, the LED bulb also can normally use.
After led light source is fixing, connecting circuit board 301 contacts with heating column 200, and the bottom surface of substrate 30 contacts with the bottom surface of light source mounting groove 202, the heat that led chip 300 produces can conduct to heating column 200 by substrate 30 and circuit connecting plate 301, by heating column 200 heat that led chip 300 produces is conducted to thermal column 210, by thermal column 210 heat is shed again, prevent that led chip 300 is overheated, prolong the service life of led chip 300.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims (7)

1.一种LED电灯泡,包括依次连接的灯头、灯头座、发光灯体及灯罩,其特征在于,所述发光灯体由一下端与所述灯头座连接固定的散热件、安装在所述散热件上端面上的LED光源和一与所述LED光源电气连接的LED驱动器组成,所述LED驱动器与所述灯头电气连接;所述散热件呈直柱状,所述LED光源包括若干基板及设置在所述基板上的LED芯片,所述基板两两背对贴合形成发光组,所述发光组绕所述散热件上端面的中心设置,且均向外倾斜固定。 1. A kind of LED electric light bulb, comprise the lamp cap that connects successively, lamp holder, luminous lamp body and lampshade, it is characterized in that, described luminous lamp body is connected with described lamp holder by lower end and fixed radiator, is installed in described heat dissipation The LED light source on the upper end surface of the component and an LED driver electrically connected to the LED light source, the LED driver is electrically connected to the lamp holder; the heat sink is in the shape of a straight column, and the LED light source includes several substrates and is arranged For the LED chips on the substrate, the substrates are laminated in pairs with their backs facing each other to form a light-emitting group, and the light-emitting group is arranged around the center of the upper end surface of the heat sink and is fixed outwardly. 2.根据权利要求1所述的LED电灯泡,其特征在于,所述散热体由高导热的金属材料一体制造成型,包括一散热柱和沿所述散热柱的上端面竖直向上延伸形成的导热柱,所述LED光源固定在所述导热柱的上端面上。 2. The LED light bulb according to claim 1, wherein the heat sink is integrally formed by a metal material with high thermal conductivity, including a heat dissipation column and a heat conduction column extending vertically upward along the upper end surface of the heat dissipation column. The LED light source is fixed on the upper end surface of the heat conduction column. 3.根据权利要求2所述的LED电灯泡,其特征在于,所述散热柱和所述导热柱均呈圆柱状,所述散热柱的端面面积大于所述导热柱的端面面积,在所述散热柱的上端面设有用于与所述灯罩连接的连接槽,所述连接槽绕所述导热柱设置。 3. The LED light bulb according to claim 2, wherein the heat dissipation column and the heat conduction column are both cylindrical, and the end surface area of the heat dissipation column is larger than the end surface area of the heat conduction column. The upper end surface of the column is provided with a connection groove for connecting with the lampshade, and the connection groove is arranged around the heat conduction column. 4.根据权利要求3所述的LED电灯泡,其特征在于,所述灯罩为透明玻璃罩,所述灯罩下端通过紫外线胶粘接固定在所述连接槽中。 4. The LED light bulb according to claim 3, wherein the lampshade is a transparent glass shade, and the lower end of the lampshade is fixed in the connecting groove by ultraviolet glue. 5.根据权利要求1或2或3或4所述的LED电灯泡,其特征在于,所述LED光源还包括一平放固定在导热柱上端面上的连接电路板,所述发光组绕所述连接电路板的中心均匀设置,且均向外倾斜固定在所述连接电路板上,所述发光组与所述连接电路板电气连接。 5. The LED light bulb according to claim 1 or 2 or 3 or 4, wherein the LED light source further comprises a connection circuit board fixed on the upper end surface of the heat conduction column, and the light-emitting group is wound around the connection circuit board. The centers of the circuit boards are evenly arranged, and are fixed on the connection circuit board with an outward slope, and the light-emitting group is electrically connected with the connection circuit board. 6.根据权利要求5所述的LED电灯泡,其特征在于,在所述导热柱的上端面设有与所述连接电路板适配的光源安装槽,所述连接电路板通过螺钉正面朝下固定在所述光源安装槽中;在所述连接电路板上设有若干贯穿所述连接电路板正、背面的插槽,所述发光组固定在所述连接电路板的背面,所述发光组下端的电极部通过插槽伸至所述连接电路板的正面,所述基板的下端电极部与所述连接电路板之间通过焊接实现电气连接。 6. The LED light bulb according to claim 5, characterized in that, a light source installation groove adapted to the connection circuit board is provided on the upper end surface of the heat conduction column, and the connection circuit board is fixed face down by screws In the light source installation groove; on the connecting circuit board, there are several slots through the front and back of the connecting circuit board, the light-emitting group is fixed on the back of the connecting circuit board, and the lower end of the light-emitting group The electrode part extends to the front of the connection circuit board through the slot, and the electrode part at the lower end of the substrate is electrically connected to the connection circuit board by welding. 7.根据权利要求6所述的LED电灯泡,其特征在于,所述LED驱动器设置在所述灯头与所述灯头座内,所述光源安装槽的底面设有出线孔,与所述连接电路板电气连接的导线通过所述出线孔与所述LED驱动器电气连接。 7. The LED light bulb according to claim 6, wherein the LED driver is arranged in the lamp holder and the lamp holder, and the bottom surface of the light source installation groove is provided with an outlet hole, which is connected to the connecting circuit board. Electrically connected wires are electrically connected to the LED driver through the outlet holes.
CN2012205493054U 2012-10-25 2012-10-25 LED light bulb Expired - Fee Related CN202884588U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256502A (en) * 2013-04-18 2013-08-21 立达信绿色照明股份有限公司 LED floodlight capable of emitting light in all directions
CN103353064A (en) * 2013-04-23 2013-10-16 杭州鸿德照明科技有限公司 Highly efficient and environmentally protective pyramid LED incandescent lamp
CN103470971A (en) * 2013-07-11 2013-12-25 惠州元晖光电股份有限公司 LED bulb mounted on inclined circuit board of LED
CN103925489A (en) * 2014-01-07 2014-07-16 中山市迪克力照明电器有限公司 A double-sided LED light
CN104654078A (en) * 2015-01-26 2015-05-27 福建永德吉灯业股份有限公司 Integrated light-emitting diode (LED) lamp
TWI561763B (en) * 2014-04-09 2016-12-11 Brightek Optoelectronic Shenzhen Co Ltd Lighting device with insertable type

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256502A (en) * 2013-04-18 2013-08-21 立达信绿色照明股份有限公司 LED floodlight capable of emitting light in all directions
CN103353064A (en) * 2013-04-23 2013-10-16 杭州鸿德照明科技有限公司 Highly efficient and environmentally protective pyramid LED incandescent lamp
CN103470971A (en) * 2013-07-11 2013-12-25 惠州元晖光电股份有限公司 LED bulb mounted on inclined circuit board of LED
CN103925489A (en) * 2014-01-07 2014-07-16 中山市迪克力照明电器有限公司 A double-sided LED light
TWI561763B (en) * 2014-04-09 2016-12-11 Brightek Optoelectronic Shenzhen Co Ltd Lighting device with insertable type
CN104654078A (en) * 2015-01-26 2015-05-27 福建永德吉灯业股份有限公司 Integrated light-emitting diode (LED) lamp

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Granted publication date: 20130417

Termination date: 20131025