CN103148377A - LED (light emitting diode) lamp bulb - Google Patents
LED (light emitting diode) lamp bulb Download PDFInfo
- Publication number
- CN103148377A CN103148377A CN2013100447171A CN201310044717A CN103148377A CN 103148377 A CN103148377 A CN 103148377A CN 2013100447171 A CN2013100447171 A CN 2013100447171A CN 201310044717 A CN201310044717 A CN 201310044717A CN 103148377 A CN103148377 A CN 103148377A
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- CN
- China
- Prior art keywords
- radiator
- light source
- power pack
- source board
- lampshade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lighting device, and particularly relates to an LED lamp bulb with a better radiating effect. A radiating body comprises a first radiating body and a second radiating body, wherein the upper part of the first radiating body is attached to the bottom of a light source plate, and the lower part is attached to the upper part of a power supply box; fin-shaped radiating fins are further arranged on the first radiating body; the outer side of the power supply box is surrounded by the second radiating body; a radiating metal ring is arranged at the bottom of the power supply box in a circling manner; an external thread is formed in the outer surface of the radiating metal ring; an internal thread matched with the external thread is formed at the bottom of the second radiating body; a plurality of through holes are formed in the lateral surface of the second radiating body; an air inlet hole is formed in the top of the lamp shade; a plurality of air outlet holes are formed in the connection position of the bottom of the lamp shade and the light source plate; and upwards inclined windshield pieces are arranged in the positions of the air outlet holes. The LED lamp bulb provided by the invention is widely applied to the lighting device.
Description
Technical field
The present invention relates to the lighting device technical field, particularly relate to a kind of LED bulb.
Background technology
As everyone knows, the LED bulb is a kind of semi-conducting material that utilizes, and is the light fixture of visible light with electric energy conversion, wherein, how to be light source board and for the heat radiation of the power pack of its power supply better, effectively guarantees the stable operation of LED bulb, is an important problem; Existing LED bulb, mainly comprise lampshade, light source board, power pack, radiator and lamp holder, be provided with power-supply controller of electric in power pack, lampshade and surrounds a light-source chamber with light source board above light source board, power pack is arranged on the below of light source board, lamp holder is arranged on the below of power pack, and be electrically connected to power-supply controller of electric and light source board, radiator is fitted in the lower surface of light source board and the lateral surface of power pack, and the lateral surface of radiator also is provided with the fin of fin with auxiliary heat dissipation; Such LED bulb, the heat radiation of power pack and light source board is to complete by the indirect conduction of radiator, in other words, the quality of degree of heat radiation depends on the applying degree of radiator and power pack and light source board to a great extent, and existing radiator is generally that mucilage binding is on power pack and light source board, therefore, even be provided with the fin of fin on radiator, the radiating effect of LED bulb is also general.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of radiating effect LED bulb preferably.
LED bulb of the present invention, comprise lampshade, light source board, power pack, radiator and lamp holder, be provided with power-supply controller of electric in described power pack, described lampshade is above light source board, and surround a light-source chamber with described light source board, described power pack is arranged on the below of described light source board, described lamp holder is arranged on the below of described power pack, and be electrically connected to described power-supply controller of electric and light source board, described radiator comprises the first radiator and the second radiator, the top of described the first radiator and the bottom of described light source board fit, and the top of bottom and described power pack fits, also be provided with the fin of fin on described the first radiator, described the second radiator is looped around the outside of described power pack, the bottom of described power pack is surrounded with the heat radiating metal ring, and be provided with external screw thread at the outer surface of described heat radiating metal ring, the bottom of described the second radiator is provided with the internal thread that matches with described external screw thread, the side surface of described the second radiator is provided with a plurality of through holes, the top of described lampshade is provided with air admission hole, the bottom of described lampshade and the junction of described light source board also are provided with a plurality of ventholes, and be provided with acclivitous blinker at described venthole place.
LED bulb of the present invention, the inside of described power pack is provided with sheet metal, and described sheet metal is connected by the conducting strip that runs through described power pack box wall with described heat radiating metal ring.
LED bulb of the present invention, the through hole of described the second radiator side surface, and described air admission hole and venthole place also are provided with screen pack.
compared with prior art beneficial effect of the present invention is: radiator comprises the first radiator and the second radiator, the top of the first radiator and the bottom of light source board fit, and the top of bottom and power pack fits, also be provided with the fin of fin on the first radiator, the second radiator is looped around the outside of power pack, the bottom of power pack is surrounded with the heat radiating metal ring, and be provided with external screw thread at the outer surface of heat radiating metal ring, the bottom of the second radiator is provided with the internal thread that matches with external screw thread, the side surface of the second radiator is provided with a plurality of through holes, the top of lampshade is provided with air admission hole, the bottom of lampshade and the junction of light source board also are provided with a plurality of ventholes, and be provided with acclivitous blinker at the venthole place, be not fitted in the surface of power pack due to the second radiator, power pack can directly contact heat radiation with air, not only substantially can not have influence on the attractive in appearance of LED bulb, has effectively hidden power pack, is conducive to simultaneously the heat radiation of power pack and light source board, and the lateral surface of the second radiator is provided with through hole, like this, the hot-air that between the second radiator and power pack, the gap forms, can overflow by through hole, effectively increased the air flow rate between the second radiator and power pack, such cool cycles is ventilated, and has effectively improved the radiating effect of power pack and light source board, in addition, according to the Air Flow principle, when the air that upwards flows passes through the venthole of lampshade bottom, hot-air in lampshade is taken out of, cold air enters by the air admission hole above lampshade, so effectively increase the air flow rate in lampshade, effectively improved the radiating effect in lampshade.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
as shown in Figure 1, LED bulb of the present invention, comprise lampshade 1, light source board 2, power pack 3, radiator 4 and lamp holder 5, be provided with power-supply controller of electric in power pack, lampshade is above light source board, and surround a light-source chamber 6 with light source board, power pack is arranged on the below of light source board, lamp holder is arranged on the below of power pack, and be electrically connected to power-supply controller of electric and light source board, radiator 4 comprises the first radiator 41 and the second radiator 42, the top of the first radiator and the bottom of light source board fit, and the top of bottom and power pack fits, also be provided with the fin of fin on the first radiator, the second radiator is looped around the outside of power pack, the bottom of power pack is surrounded with the heat radiating metal ring, and be provided with external screw thread at the outer surface of heat radiating metal ring, the bottom of the second radiator is provided with the internal thread that matches with external screw thread, the side surface of the second radiator is provided with a plurality of through holes, the top of lampshade is provided with air admission hole, the bottom of lampshade and the junction of light source board also are provided with a plurality of ventholes, and be provided with acclivitous blinker at the venthole place, be not fitted in the surface of power pack due to the second radiator, power pack can directly contact heat radiation with air, not only substantially can not have influence on the attractive in appearance of LED bulb, has effectively hidden power pack, is conducive to simultaneously the heat radiation of power pack and light source board, and the lateral surface of the second radiator is provided with through hole, like this, the hot-air that between the second radiator and power pack, the gap forms, can overflow by through hole, effectively increased the air flow rate between the second radiator and power pack, such cool cycles is ventilated, and has effectively improved the radiating effect of power pack and light source board, in addition, according to the Air Flow principle, when the air that upwards flows passes through the venthole of lampshade bottom, hot-air in lampshade is taken out of, cold air enters by the air admission hole above lampshade, so effectively increase the air flow rate in lampshade, effectively improved the radiating effect in lampshade.
LED bulb of the present invention, the inside of power pack is provided with sheet metal, and sheet metal is connected like this by the conducting strip that runs through power pack box wall with the heat radiating metal ring, and the heat of power pack inside can discharge effectively.
LED bulb of the present invention, the through hole of the second radiator side surface, and air admission hole and venthole place also are provided with screen pack; Like this, can effectively guarantee the speed air flow in the second radiator, effectively avoid the internal structures such as airborne contaminating impurity power device simultaneously.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (3)
1. LED bulb, comprise lampshade, light source board, power pack, radiator and lamp holder, be provided with power-supply controller of electric in described power pack, described lampshade is above light source board, and surround a light-source chamber with described light source board, described power pack is arranged on the below of described light source board, described lamp holder is arranged on the below of described power pack, and be electrically connected to described power-supply controller of electric and light source board, it is characterized in that, described radiator comprises the first radiator and the second radiator, the top of described the first radiator and the bottom of described light source board fit, and the top of bottom and described power pack fits, also be provided with the fin of fin on described the first radiator, described the second radiator is looped around the outside of described power pack, the bottom of described power pack is surrounded with the heat radiating metal ring, and be provided with external screw thread at the outer surface of described heat radiating metal ring, the bottom of described the second radiator is provided with the internal thread that matches with described external screw thread, the side surface of described the second radiator is provided with a plurality of through holes, the top of described lampshade is provided with air admission hole, the bottom of described lampshade and the junction of described light source board also are provided with a plurality of ventholes, and be provided with acclivitous blinker at described venthole place.
2. LED bulb as claimed in claim 1, is characterized in that, the inside of described power pack is provided with sheet metal, and described sheet metal is connected by the conducting strip that runs through described power pack box wall with described heat radiating metal ring.
3. LED bulb as claimed in claim 1, is characterized in that, the through hole of described the second radiator side surface, and the passage place of described lampshade bottom and described light source board junction also is provided with screen pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100447171A CN103148377A (en) | 2013-02-05 | 2013-02-05 | LED (light emitting diode) lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100447171A CN103148377A (en) | 2013-02-05 | 2013-02-05 | LED (light emitting diode) lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103148377A true CN103148377A (en) | 2013-06-12 |
Family
ID=48546606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100447171A Pending CN103148377A (en) | 2013-02-05 | 2013-02-05 | LED (light emitting diode) lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103148377A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737004A (en) * | 2014-12-10 | 2016-07-06 | 赖中平 | Light emitting diode filament bulb |
| CN106979482A (en) * | 2017-05-17 | 2017-07-25 | 安徽久能信息科技有限公司 | A kind of LED bay light lamp body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042498A (en) * | 2009-10-22 | 2011-05-04 | 建准电机工业股份有限公司 | Lamp |
| CN201851994U (en) * | 2010-11-27 | 2011-06-01 | 陆博伟 | Heat-dissipation and dust-prevention LED (light-emitting diode) lamp |
| CN202101120U (en) * | 2011-04-02 | 2012-01-04 | 深圳市莱欣特光电有限公司 | Light-emitting diode (LED) bulb lamp |
| CN202432274U (en) * | 2011-11-29 | 2012-09-12 | 深圳市众明半导体照明有限公司 | Heat-dissipation type LED (Light-Emitting Diode) lamp |
| CN202598205U (en) * | 2012-04-20 | 2012-12-12 | 钰满荣企业股份有限公司 | Improved lamp structure |
| CN203099441U (en) * | 2013-02-05 | 2013-07-31 | 天目照明有限公司 | Light-emitting diode (LED) bulb |
-
2013
- 2013-02-05 CN CN2013100447171A patent/CN103148377A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042498A (en) * | 2009-10-22 | 2011-05-04 | 建准电机工业股份有限公司 | Lamp |
| CN201851994U (en) * | 2010-11-27 | 2011-06-01 | 陆博伟 | Heat-dissipation and dust-prevention LED (light-emitting diode) lamp |
| CN202101120U (en) * | 2011-04-02 | 2012-01-04 | 深圳市莱欣特光电有限公司 | Light-emitting diode (LED) bulb lamp |
| CN202432274U (en) * | 2011-11-29 | 2012-09-12 | 深圳市众明半导体照明有限公司 | Heat-dissipation type LED (Light-Emitting Diode) lamp |
| CN202598205U (en) * | 2012-04-20 | 2012-12-12 | 钰满荣企业股份有限公司 | Improved lamp structure |
| CN203099441U (en) * | 2013-02-05 | 2013-07-31 | 天目照明有限公司 | Light-emitting diode (LED) bulb |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737004A (en) * | 2014-12-10 | 2016-07-06 | 赖中平 | Light emitting diode filament bulb |
| CN106979482A (en) * | 2017-05-17 | 2017-07-25 | 安徽久能信息科技有限公司 | A kind of LED bay light lamp body |
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Application publication date: 20130612 |