CN202884588U - Light-emitting diode (LED) bulb - Google Patents

Light-emitting diode (LED) 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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CN
China
Prior art keywords
led
circuit board
light source
luminous
bulb
Prior art date
Application number
CN2012205493054U
Other languages
Chinese (zh)
Inventor
罗福星
Original Assignee
罗福星
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Priority to CN2012205493054U priority Critical patent/CN202884588U/en
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Publication of CN202884588U publication Critical patent/CN202884588U/en

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Abstract

The utility model discloses a light-emitting diode (LED) bulb. A luminous lamp body comprises a heat dissipation piece, an LED light source and an LED drive, wherein the lower end of the heat dissipation piece is fixedly connected with a lamp cap base, the LED light source is installed on the upper end face of the heat dissipation piece, and the LED drive is in electric connection with the LED light source. The LED drive is in electric connection with a lamp cap; after the lamp cap is powered on, the LED light source is driven to light by the LED drive; and the LED bulb has the advantages of being high in lighting efficiency, little in consumed electricity, reliable, durable, low in maintenance cost, and environment-friendly and the like. The heat dissipation piece is in a straight column shape. The LED light source comprises a plurality of substrates and LED chips arranged on the substrates. Each two substrates are attached in a back-to-back mode to form luminous groups which are arranged around the center of the upper end face of the heat dissipation piece and are all fixed in an outward inclined mode. When the LED chips illuminate, the LED bulb achieves 360-degree illumination.

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. LED bulb, comprise the lamp holder, bulb socket, luminescent lamp and the lampshade that connect successively, it is characterized in that, 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.
2. LED bulb according to claim 1, it is characterized in that, described radiator is by the integrally manufactured moulding of the metal material of high heat conduction, comprise a thermal column and the heating column that extends to form straight up along the upper surface of described thermal column, described led light source is fixed on the upper surface of described heating column.
3. LED bulb according to claim 2, it is characterized in that, described thermal column and described heating column all are cylindric, the face area of described thermal column is greater than the face area of described heating column, be provided with the link slot that is connected for described lampshade in the upper surface of described thermal column, described link slot is around described heating column setting.
4. LED bulb according to claim 3 is characterized in that, described lampshade is transparent glass cover, and described lampshade lower end is adhesively fixed in the described link slot by UV glue.
5. according to claim 1 and 2 or 3 or 4 described LED bulbs, it is characterized in that, described led light source comprises that also one keeps flat the connecting circuit board that is fixed on the 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.
6. LED bulb according to claim 5 is characterized in that, is provided with the light source mounting groove adaptive with described connecting circuit board in the upper surface of described heating column, and 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.
7. LED bulb according to claim 6, it is characterized in that, described led driver is arranged in described lamp holder and the described bulb socket, 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.
CN2012205493054U 2012-10-25 2012-10-25 Light-emitting diode (LED) bulb CN202884588U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205493054U CN202884588U (en) 2012-10-25 2012-10-25 Light-emitting diode (LED) bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205493054U CN202884588U (en) 2012-10-25 2012-10-25 Light-emitting diode (LED) bulb

Publications (1)

Publication Number Publication Date
CN202884588U true CN202884588U (en) 2013-04-17

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Application Number Title Priority Date Filing Date
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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 LED (light emitting diode) lamp capable of emitting light from double faces
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 LED (light emitting diode) lamp capable of emitting light from double faces
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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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130417

Termination date: 20131025

C17 Cessation of patent right