CN203099440U - Light emitting diode (LED) bulb lamp - Google Patents

Light emitting diode (LED) bulb lamp Download PDF

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Publication number
CN203099440U
CN203099440U CN2013200650157U CN201320065015U CN203099440U CN 203099440 U CN203099440 U CN 203099440U CN 2013200650157 U CN2013200650157 U CN 2013200650157U CN 201320065015 U CN201320065015 U CN 201320065015U CN 203099440 U CN203099440 U CN 203099440U
Authority
CN
China
Prior art keywords
radiator
power pack
light source
source board
heat dissipation
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.)
Expired - Fee Related
Application number
CN2013200650157U
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Chinese (zh)
Inventor
颜惠平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANMU LIGHTING CO Ltd
Original Assignee
TIANMU LIGHTING CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANMU LIGHTING CO Ltd filed Critical TIANMU LIGHTING CO Ltd
Priority to CN2013200650157U priority Critical patent/CN203099440U/en
Application granted granted Critical
Publication of CN203099440U publication Critical patent/CN203099440U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The utility model discloses a lighting device, and particularly relates to a light emitting diode (LED) bulb lamp. The LED bulb lamp is good in heat dissipation effect. A heat dissipation body comprises a first heat dissipation body and a second heat dissipation body. The upper portion of the first heat dissipation body is adhered to the bottom of a light source board, and the lower portion of the first heat dissipation body is adhered to the upper portion of a power supply box. The second heat dissipation body surrounds the outer side of the power supply box, and the bottom of the second heat dissipation body is connected with the bottom of the power supply box. The upper portion of the second heat dissipation body is connected with the first heat dissipation body through a heat conduction metal rib. A through hole is further formed in the bottom of the second heat dissipation body. An air inlet is formed in the bottom of a lampshade, and an air outlet is formed in the top of the lampshade. The LED bulb lamp is widely applied to the lighting device.

Description

The LED bulb lamp
Technical field
The utility model relates to the lighting device technical field, particularly relates to a kind of LED bulb lamp.
Background technology
As everyone knows, the LED bulb lamp is a kind of semi-conducting material that utilizes, electric energy is converted into the light of visible light, because the illuminator of LED bulb lamp is a light source board, rather than the filamentray structure in the conventional lamp, thereby how to be light source board and for the heat radiation of the power pack of its power supply better, effectively guarantee the stable operation of LED bulb lamp, become an important problem; Existing LED bulb lamp, mainly comprise lampshade, light source board, power pack, radiator and lamp holder, be provided with power-supply controller of electric in the power pack, lampshade covers on the top of light source board, and surrounds a light-source chamber with light source board, and 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 with 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 shape with auxiliary heat dissipation; Such LED bulb lamp, the heat radiation of power pack and light source board is to finish by the indirect conduction of radiator, that is to say, 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 generally is that mucilage binding is on power pack and light source board, therefore, even radiator is provided with the fin of fin shape, the radiating effect of LED bulb lamp is also general.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of radiating effect LED bulb lamp preferably.
LED bulb lamp of the present utility model, comprise lampshade, light source board, power pack, radiator and lamp holder, be provided with power-supply controller of electric in the described power pack, described lampshade covers on the top of light source board, and surround a light-source chamber with described light source board, described power pack is installed in the below of described light source board, described lamp holder is installed in the below of described power pack, and be electrically connected with described power-supply controller of electric and light source board, described radiator comprises first radiator and second radiator, the top of described first radiator and the bottom of described light source board fit, and the top of bottom and described power pack fits, described second radiator is looped around the outside of described power pack, and the bottom links to each other with the bottom of described power pack, and the top of described second radiator links to each other with described first radiator by the heat-conducting metal muscle, and the bottom of described second radiator also is provided with through hole, the bottom of described lampshade is provided with air inlet, and is provided with the gas outlet at the top.
LED bulb lamp of the present utility model, the bottom of described power pack is provided with external screw thread, and the bottom of described second radiator is provided with the internal thread that matches with described external screw thread.
LED bulb lamp of the present utility model, the inside of described power pack is provided with sheet metal, and the outer setting of described power pack has the heat radiating metal ring, and described sheet metal links to each other by the conducting strip that runs through described power pack box wall with described heat radiating metal ring.
Compared with prior art the beneficial effects of the utility model are: radiator comprises first radiator and second radiator, the top of first radiator and the bottom of light source board fit, and the top of bottom and power pack fits, second radiator is looped around the outside of power pack, and the bottom links to each other with the bottom of power pack, the top of second radiator links to each other with first radiator by the heat-conducting metal muscle, the bottom of second radiator also is provided with through hole, the bottom of lampshade is provided with air inlet, and is provided with the gas outlet at the top; Because second radiator is not fitted in the surface of power pack, power pack can directly contact heat radiation with air, not only can not have influence on the attractive in appearance of LED bulb lamp substantially, has hidden power pack effectively, helps the heat radiation of power pack and light source board simultaneously; And the bottom of second radiator is provided with through hole, like this, the hot-air that the gap forms between second radiator and the power pack, can overflow by the gap of top, the through hole of below then enters cold air constantly, such cool cycles is ventilated, and has improved the radiating effect of power pack and light source board effectively; Simultaneously, first radiator links to each other by the heat-conducting metal muscle with second radiator, also further the heat on first radiator is directed at second radiator, has improved radiating effect effectively; In addition, air inlet on the lampshade and gas outlet can effectively guarantee the ventilation effect in the lampshade, and hot-air is overflowed by the gas outlet, and cold air then enters light-source chamber constantly, has further improved the radiating effect of light source board.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, LED bulb lamp of the present utility model, 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 the described power pack, lampshade covers on the top of light source board, and surround a light-source chamber 6 with light source board, power pack is installed in the below of light source board, lamp holder is installed in the below of power pack, and be electrically connected with power-supply controller of electric and light source board, radiator 4 comprises first radiator 41 and second radiator 42, the top of first radiator and the bottom of light source board fit, and the top of bottom and power pack fits, and second radiator is looped around the outside of power pack, and the bottom links to each other with the bottom of power pack, the top of second radiator links to each other with first radiator by the heat-conducting metal muscle, the bottom of second radiator also is provided with through hole, and the bottom of lampshade is provided with air inlet, and is provided with the gas outlet at the top; Because second radiator is not fitted in the surface of power pack, power pack can directly contact heat radiation with air, not only can not have influence on the attractive in appearance of LED bulb lamp substantially, has hidden power pack effectively, helps the heat radiation of power pack and light source board simultaneously; And the bottom of second radiator is provided with through hole, like this, the hot-air that the gap forms between second radiator and the power pack, can overflow by the gap of top, the through hole of below then enters cold air constantly, such cool cycles is ventilated, and has improved the radiating effect of power pack and light source board effectively; In addition, the through hole on the lampshade can effectively guarantee the ventilation effect in the lampshade, has further improved the radiating effect of light source board.
LED bulb lamp of the present utility model, the bottom of power pack is provided with external screw thread, and the bottom of second radiator is provided with the internal thread that matches with external screw thread; Like this, second radiator can contact effectively with power pack, and the heat on the power pack can conduct in the air effectively by second radiator.
LED bulb lamp of the present utility model, the inside of power pack is provided with sheet metal, and the outer setting of power pack has the heat radiating metal ring, and sheet metal links to each other by the conducting strip that runs through power pack box wall with the heat radiating metal ring; Like this, the heat of power pack inside can discharge effectively.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.

Claims (3)

1. LED bulb lamp, comprise lampshade, light source board, power pack, radiator and lamp holder, be provided with power-supply controller of electric in the described power pack, described lampshade covers on the top of light source board, and surround a light-source chamber with described light source board, described power pack is installed in the below of described light source board, described lamp holder is installed in the below of described power pack, and be electrically connected with described power-supply controller of electric and light source board, it is characterized in that, described radiator comprises first radiator and second radiator, the top of described first radiator and the bottom of described light source board fit, and the top of bottom and described power pack fits, and described second radiator is looped around the outside of described power pack, and the bottom links to each other with the bottom of described power pack, the top of described second radiator links to each other with described first radiator by the heat-conducting metal muscle, the bottom of described second radiator also is provided with through hole, and the bottom of described lampshade is provided with air inlet, and is provided with the gas outlet at the top.
2. LED bulb lamp as claimed in claim 1 is characterized in that the bottom of described power pack is provided with external screw thread, and the bottom of described second radiator is provided with the internal thread that matches with described external screw thread.
3. LED bulb lamp as claimed in claim 1, it is characterized in that, the inside of described power pack is provided with sheet metal, and the outer setting of described power pack has the heat radiating metal ring, and described sheet metal links to each other by the conducting strip that runs through described power pack box wall with described heat radiating metal ring.
CN2013200650157U 2013-02-05 2013-02-05 Light emitting diode (LED) bulb lamp Expired - Fee Related CN203099440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013200650157U CN203099440U (en) 2013-02-05 2013-02-05 Light emitting diode (LED) bulb lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013200650157U CN203099440U (en) 2013-02-05 2013-02-05 Light emitting diode (LED) bulb lamp

Publications (1)

Publication Number Publication Date
CN203099440U true CN203099440U (en) 2013-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013200650157U Expired - Fee Related CN203099440U (en) 2013-02-05 2013-02-05 Light emitting diode (LED) bulb lamp

Country Status (1)

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CN (1) CN203099440U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075669A (en) * 2013-02-06 2013-05-01 天目照明有限公司 LED (Light Emitting Diode) ball lamp
CN103148378A (en) * 2013-02-05 2013-06-12 天目照明有限公司 LED (light emitting diode) bulb lamp
US8710721B1 (en) * 2012-12-12 2014-04-29 Genesis Photonics Inc. Light emitting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8710721B1 (en) * 2012-12-12 2014-04-29 Genesis Photonics Inc. Light emitting device
CN103148378A (en) * 2013-02-05 2013-06-12 天目照明有限公司 LED (light emitting diode) bulb lamp
CN103075669A (en) * 2013-02-06 2013-05-01 天目照明有限公司 LED (Light Emitting Diode) ball lamp

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20180205