CN202915110U - Light-emitting diode (LED) electric bulb - Google Patents
Light-emitting diode (LED) electric bulb Download PDFInfo
- Publication number
- CN202915110U CN202915110U CN2012205852714U CN201220585271U CN202915110U CN 202915110 U CN202915110 U CN 202915110U CN 2012205852714 U CN2012205852714 U CN 2012205852714U CN 201220585271 U CN201220585271 U CN 201220585271U CN 202915110 U CN202915110 U CN 202915110U
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- led
- heat
- circuit board
- light source
- heating column
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a light-emitting diode (LED) electric bulb which comprises a heat dissipation part and an LED light source which is arranged on the upper end face of the heat dissipation part. The LED light source is used for lighting and high in lighting efficiency, low in electric energy consumption, reliable and durable, low in maintenance cost, environment-friendly and the like. The LED light source comprises substrates and LED chips which are arranged on the substrates. The heat dissipation part comprises a heat dissipation outer shell and a hollow heat conduction column which is integrally formed with the heat dissipation outer shell. Every two substrates which are attached to each other back to back are tilted outward and fixed on the upper end face of the heat conduction column which is capable of conducting heat generated by the LED chips to the heat dissipation outer shell, and then the heat dissipation outer shell gives off the heat. Ventilating slots are arranged in a light holder. A plurality of air holes which are communicated with the ventilating slots are formed in the heat conduction column. The ventilating slots are communicated with air outside a luminescent lamp body, each air hole is communicated with air inside the luminescent lamp body, and thereby the air inside the luminescent lamp body and the air outside the luminescent lamp body are capable of forming convection current. Heat exchange is achieved through ventilation and heat dissipation speed is accelerated.
Description
Technical field
The utility model relates to the LED lighting field, particularly a kind of LED bulb of good heat dissipation effect.
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, filament is more easily distillation just, when tungsten filament is sublimate into thinnerly when thin, just is easy to after the energising blow, and service life is short.And LED has advantages such as power consumption is low, the life-span is long, light efficiency is high, asepsis environment-protecting so the part bulb uses LED as light emitting source just gradually, form the LED bulb.But the luminous meeting of LED produces heat and makes temperature rising in the lamp, and LED itself is very high to the requirement of temperature, and high temperature can make the service property (quality) of LED and service life greatly reduce.
Therefore, the heat dissipation problem that how to solve the LED bulb is the technical problem that needs to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present utility model provides that a kind of luminous efficiency is high, the LED bulb of power and energy saving, is intended to improve the radiating rate of LED bulb, prevents that LED is overheated, prolongs the service life of LED.
The utility model proposes a kind of LED bulb, comprise the lamp holder, bulb socket, luminescent lamp and the lampshade that connect successively, described luminescent lamp comprises a radiating piece and is installed in led light source on the described radiating piece upper surface, and described led light source comprises some substrates and is arranged on led chip on the described substrate; Described radiating piece comprise heat-dissipating casing and with the integrated hollow heating column of described heat-dissipating casing, described heating column vertically is arranged on the upper end of described heat-dissipating casing, and communicate with described heat-dissipating casing inside, described substrate in twos back to fit and the outward-dipping upper surface that is fixed on described heating column on; Described bulb socket is provided with ventilation slot, and described heating column is provided with the air vent that some and described ventilation slot communicates.
Preferably, described radiator is by the integrally manufactured moulding of heat radiating metal material, and described heating column extends upward formation for the upper surface along described heat-dissipating casing.
Preferably, described heat-dissipating casing and described heating column all are cylindric, and the floor space of described heat-dissipating casing is greater than the floor space of described heating column, and described air vent is arranged on the side wall surface of described heating column.
Preferably, described led light source also comprises a connecting circuit board, described connecting circuit board be provided with some run through described connecting circuit board just, the slot at the back side, described substrate is fitted in twos and is fixed on the back side of described connecting circuit board, the lower end electrode section of described substrate extends the front of described connecting circuit board by slot, realize electrical connection by welding between the lower end electrode section of described substrate and the described connecting circuit board.
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 by screws in the described light source mounting groove.
Preferably, being used for driving the luminous led driver of described led chip 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.
Preferably, described lampshade is transparent glass cover, is provided with the link slot that is connected for described lampshade in the upper surface of described heat-dissipating casing, and described link slot is around described heating column setting, and described lampshade lower end is adhesively fixed on described link slot by UV glue.
The luminescent lamp of LED bulb of the present utility model comprises a radiating piece and is installed in led light source on the radiating piece upper surface, uses led light source luminous, have luminous efficiency high, consume that electric energy is few, reliability and durability, the characteristics such as maintenance cost is low, environmental protection; Led light source comprises some substrates and is arranged on led chip on the substrate, radiating piece comprise heat-dissipating casing and with the integrated hollow heating column of heat-dissipating casing, heating column vertically is arranged on the upper end of heat-dissipating casing, and communicate with heat-dissipating casing inside, substrate in twos back to fit and the outward-dipping upper surface that is fixed on heating column on, heating column can conduct the heat that led chip produces to heat-dissipating casing, by heat-dissipating casing heat is shed; And be provided with ventilation slot at bulb socket, heating column is provided with some air vents that communicate with ventilation slot, ventilation slot communicates with the luminescent lamp extraneous air, air vent communicates with the luminescent lamp inner air, thereby the luminescent lamp inner air can form convection current with extraneous air, realize exchange heat by circulation of air, accelerate radiating rate.
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 hollow cylindrical, made by resin material, good weatherability has advantages of not flavescence under shining for a long time through ultraviolet ray.Luminescent lamp comprises a radiating piece 20 and the led light source that is installed on radiating piece 20 upper surfaces, this radiating piece 20 serve as reasons copper, copper alloy, the integrally manufactured moulding of aluminum or aluminum alloy material of high heat conduction, comprise heat-dissipating casing 210 and with heat-dissipating casing 210 integrated hollow heating columns 200, heat-dissipating casing 210 and heating column 200 all are cylindric, the floor space of heat-dissipating casing 210 is greater than the floor space of heating column 200, heating column 200 vertically is arranged on the upper end middle position of heat-dissipating casing 210, and heating column 200 extends upward formation for the upper surface along heat-dissipating casing 210.Heat-dissipating casing 210 and heating column 200 all are made as hollow, and bulb socket 100, heat-dissipating casing 210 communicate with inside between the heating column 200.
Be provided with for the light source mounting groove 202 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 202.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 202 are adaptive; Substrate 30 is bar shaped aluminium base 30, is provided with six, and six substrates 30 are in twos back to applying, and outward-dipping being fixed on the 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, slot and two adaptive back to the bottom of the substrate 30 of fitting, substrate 30 is fixed on the back side of connecting circuit board 301 back to applying in twos, and the electrode part of substrate 30 lower ends 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.Be equipped with corresponding installing hole on connecting circuit board 301 and the light source mounting groove 202, utilize screw to cooperate with installing hole, connecting circuit board 301 is fixed in the light source mounting groove 202, install simple, convenient.Six substrates 30 form three groups back to fitting in twos, and three group substrates 30 evenly arrange around the center of connecting circuit board 301, and slightly outward-dipping being fixed on the connecting circuit board 301, realize that 360 ° of LED bulb are luminous.
Bottom surface at light source mounting groove 202 is provided with wire hole, two respectively with connecting circuit board 301 on the wire of positive and negative electrode power pad welding wear out the led driver electrical connection luminous with being used for driving LED chip 300 from wire hole, make led driver and connecting circuit board 301 electrical connections, thereby realize that led driver driving LED chip 300 is luminous.This led driver is arranged in lamp holder 10 and the bulb socket 100.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, luminous efficiency high, consume the few characteristics of electric energy, the spectrum of great power LED almost all concentrates on visible light frequency band, its luminous efficiency can reach 80%-90%, and light efficiency is that the incandescent lamp power consumption of the more equal brightness of LED of 75lm/W reduces approximately 80%, 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.
Lampshade 40 is transparent glass cover, be provided with the annular link slot that is connected for lampshade 40 lower ends in the upper surface of heat-dissipating casing 210, this link slot arranges around heating column 200, lampshade 40 lower ends are adhesively fixed in the link slot by UV glue, thereby lampshade 40 is located on the led light source, and the light that led chip 300 is sent is more concentrated, softer.This LED bulb uses 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, by heating column 200 heat that led chip 300 produces is conducted to heat-dissipating casing 210, by heat-dissipating casing 210 heat is shed again.For accelerating heat radiation, be provided with some ventilation slots 101 at bulb socket 100, side wall surface at heating column 200 is provided with some air vents 201 that communicate with ventilation slot 101, because ventilation slot 101 communicates with the luminescent lamp extraneous air, air vent 201 communicates with the luminescent lamp inner air, and bulb socket 100, heat-dissipating casing 210 communicates with inside between the heating column 200, so the luminescent lamp inner air can pass through ventilation slot 101, air vent 201 forms convection current with the lamp body extraneous air, thereby luminescent lamp can be realized exchange heat by circulation of air, accelerate radiating rate, prevent that led chip 300 is overheated, prolong the service life of LED.
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, described luminescent lamp comprises a radiating piece and is installed in led light source on the described radiating piece upper surface, and described led light source comprises some substrates and is arranged on led chip on the described substrate; Described radiating piece comprise heat-dissipating casing and with the integrated hollow heating column of described heat-dissipating casing, described heating column vertically is arranged on the upper end of described heat-dissipating casing, and communicate with described heat-dissipating casing inside, described substrate in twos back to fit and the outward-dipping upper surface that is fixed on described heating column on; Described bulb socket is provided with ventilation slot, and described heating column is provided with the air vent that some and described ventilation slot communicates.
2. LED bulb according to claim 1 is characterized in that, described radiator is by the integrally manufactured moulding of heat radiating metal material, and described heating column extends upward formation for the upper surface along described heat-dissipating casing.
3. LED bulb according to claim 2 is characterized in that, described heat-dissipating casing and described heating column all are cylindric, and the floor space of described heat-dissipating casing is greater than the floor space of described heating column, and described air vent is arranged on the side wall surface of described heating column.
4. according to claim 1 and 2 or 3 described LED bulbs, it is characterized in that, described led light source also comprises a connecting circuit board, described connecting circuit board be provided with some run through described connecting circuit board just, the slot at the back side, described substrate is fitted in twos and is fixed on the back side of described connecting circuit board, the lower end electrode section of described substrate extends the front of described connecting circuit board by slot, realize electrical connection by welding between the lower end electrode section of described substrate and the described connecting circuit board.
5. LED bulb according to claim 4 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 by screws in the described light source mounting groove.
6. LED bulb according to claim 5, it is characterized in that, being used for driving the luminous led driver of described led chip 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.
7. according to claim 1 and 2 or 3 described LED bulbs, it is characterized in that, described lampshade is transparent glass cover, be provided with the link slot that is connected for described lampshade in the upper surface of described heat-dissipating casing, described link slot is around described heating column setting, and described lampshade lower end is adhesively fixed on described link slot by UV glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205852714U CN202915110U (en) | 2012-11-08 | 2012-11-08 | Light-emitting diode (LED) electric bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205852714U CN202915110U (en) | 2012-11-08 | 2012-11-08 | Light-emitting diode (LED) electric bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202915110U true CN202915110U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205852714U Expired - Fee Related CN202915110U (en) | 2012-11-08 | 2012-11-08 | Light-emitting diode (LED) electric bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202915110U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343896A (en) * | 2013-06-25 | 2013-10-09 | 浙江长兴家宝电子有限公司 | Led lamp |
| TWI561763B (en) * | 2014-04-09 | 2016-12-11 | Brightek Optoelectronic Shenzhen Co Ltd | Lighting device with insertable type |
-
2012
- 2012-11-08 CN CN2012205852714U patent/CN202915110U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343896A (en) * | 2013-06-25 | 2013-10-09 | 浙江长兴家宝电子有限公司 | Led lamp |
| CN103343896B (en) * | 2013-06-25 | 2015-08-19 | 浙江长兴家宝电子有限公司 | Led |
| TWI561763B (en) * | 2014-04-09 | 2016-12-11 | Brightek Optoelectronic Shenzhen Co Ltd | Lighting device with insertable type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20131108 |