CN201851900U - LED (light emitting diode) bulb with novel radiating structure - Google Patents
LED (light emitting diode) bulb with novel radiating structure Download PDFInfo
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- CN201851900U CN201851900U CN2010201961268U CN201020196126U CN201851900U CN 201851900 U CN201851900 U CN 201851900U CN 2010201961268 U CN2010201961268 U CN 2010201961268U CN 201020196126 U CN201020196126 U CN 201020196126U CN 201851900 U CN201851900 U CN 201851900U
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- metal tube
- led
- radiator
- control circuit
- circuit board
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Abstract
The utility model discloses an LED (light emitting diode) bulb with a novel radiating structure, which comprises a lamp shade, an LED light source, a radiator connected with the LED light source and a lamp head, wherein the radiator consists of a hollow metal tube and fin-shaped radiating sheets distributed on the outer wall of the metal tube; the LED light source consists of a plane LED luminous unit and a control circuit board, the plane LED luminous unit is installed at the top end of the metal tube, the control circuit board is installed in the metal tube along the axial direction of the metal tube which is internally provided with a radiating fan, and the tube wall at the top and the bottom ends of the metal tube is provided with a plurality of air convection through holes; and the radiating structure comprises the fin-shaped radiating sheets and the fan, and the fan forces a large amount of air to enter the metal tube for convection through the convection through holes, so that the heat in the metal tube can be quickly taken away. By adopting the structure, the radiating performance of the radiator can be effectively improved, the working temperature of the plane LED luminous unit and the control circuit board is further lowered, and the service life of the LED bulb is greatly prolonged.
Description
Technical field
The utility model relates to a kind of LED bulb, especially a kind of LED bulb with good heat radiating structure.
Background technology
Along with the enhancing of people to the idea of energy savings, the LED lighting engineering is owing to have high energy efficiency, long advantage of life-span, in recent years obtained developing widely and using, replace incandescent lamp, fluorescent lamp or even electricity-saving lamp gradually, at present LED be made into common bulb-shaped structure so that with existing common bulb compatibility.But the problem that this structure need solve is the heat dissipation problem that is caused when adopting the high-power LED illumination, because operating temperature is very big to the working life influence of LED, therefore must take effective radiator structure to reduce the operating temperature of LED bulb, especially the temperature of LED luminescence unit and control circuit makes the service life of whole LED bulb close with common bulb even longer.The design of related pins to the LED bulb arranged at present, as publication number CN201344405, open day Chinese patent ZL200920130002.7 on November 11st, 2009 LED bulb, disclose a kind of LED bulb, but still exist radiating effect to cause shortcomings such as LED can not meet the demands service life inadequately well with radiator structure.
Summary of the invention
The purpose of this utility model provides a kind of LED bulb, has more effectively radiator structure, makes the operating temperature of planar LED luminescence unit and control circuit board further reduce, and has prolonged service life greatly.
The utility model is to realize above-mentioned purpose like this:
LED bulb with heat sinking structure, comprise lampshade, led light source, the radiator that is connected with led light source and lamp holder, wherein radiator is made up of the metal tube of hollow and the fin-shaped fin that is distributed in the metal tube outer wall, led light source is made up of planar LED luminescence unit and control circuit board, the planar LED luminescence unit is installed on the top of metal tube, control circuit board axially is installed in the metal tube along metal tube, radiator fan is installed in the metal tube, and the tube wall of metal tube top and bottom is provided with a large amount of cross-ventilation through holes.
As improvement of the technical scheme, described radiator fan is fixed on the below of planar LED luminescence unit.
As improvement of the technical scheme, described control circuit board is provided with perpendicular fixing clamping plate, in the draw-in groove that the clamping plate is inserted in the cross-ventilation through hole between the fin or inner wall of metal tube is set.
As improvement of the technical scheme, the tube wall of described metal tube is provided with the wire casing that is used to inlay connecting line on the control circuit board.
As improvement of the technical scheme, the interface arrangment that is used for lampshade clamping installation is established on the radiator top.
As improvement of the technical scheme, the interface arrangment that is used for lamp holder clamping installation is established in the radiator bottom.
The beneficial effects of the utility model are: the heat that led light source produced is mainly from the electronic devices and components in LED itself and the control circuit board, therefore the heat that the two produced must be taken away rapidly, wherein the fin-shaped fin plays certain radiating effect, and this practicality also is provided with fan in metal tube, force a large amount of air to carry out convection current in the metal tube, can take away the heat in the metal tube rapidly by opening is entered into.In addition, control circuit board is axially installed along metal tube, and inner air tube is less to flow effect on the one hand, and cross-ventilation also can cool to the electronic devices and components of control circuit board on the other hand.Said structure can effectively increase the heat dispersion of radiator, makes the operating temperature of planar LED luminescence unit and control circuit board further reduce, and has prolonged service life greatly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the front view of first kind of embodiment;
Fig. 2 is the front view of second kind of embodiment;
Fig. 3 is the three-dimensional broken away view of first kind of embodiment;
Fig. 4 is the vertical view of radiator;
Fig. 5 is an A-A profile among Fig. 4.
The specific embodiment
Referring to figs. 1 through Fig. 5, LED bulb with heat sinking structure, comprise lampshade 1, led light source, radiator 3 that is connected with led light source and lamp holder 2, wherein radiator 3 is made up of the metal tube 31 of hollow and the fin-shaped fin 32 that is distributed in metal tube 31 outer walls, led light source is made up of planar LED luminescence unit 4 and control circuit board 5, planar LED luminescence unit 4 is installed on the top of metal tube 31, control circuit board 5 axially is installed in the metal tube 31 along metal tube 31, radiator fan 6 is installed in the metal tube 31, and the tube wall of metal tube 31 tops and bottom is provided with a large amount of cross-ventilation through holes 33.The heat that led light source produced is mainly from the electronic devices and components in LED itself and the control circuit board 5, therefore the heat that the two produced must be taken away rapidly, wherein fin-shaped fin 32 plays certain radiating effect, and the utility model also is provided with fan in metal tube 31, force a large amount of air to carry out convection current in the metal tube 31, can take away the heat in the metal tube 31 rapidly by opening 33 is entered into.In addition, control circuit board 5 is axially installed along metal tube 31, and inner air tube is less to flow effect on the one hand, and cross-ventilation also can cool to the electronic devices and components of control circuit board 5 on the other hand.Said structure can effectively increase the heat dispersion of radiator 3, makes the operating temperature of planar LED luminescence unit 4 and control circuit board 5 further reduce, and has prolonged service life greatly.
Because in the LED bulb work engineering, what produce the heat maximum is planar LED luminescence unit 4, and the operating temperature of control plane LED luminescence unit 4 is the most key to the LED bulb service life, consider that simultaneously radiator fan 6 can install easily, radiator fan 6 can be fixed on the below of planar LED luminescence unit 4 by screw.
Fixing in metal tube 31 for the ease of control circuit board 5 equally, described control circuit board 5 is provided with perpendicular fixing clamping plate 51, in the draw-in groove that clamping plate 51 is inserted in the cross-ventilation through hole 33 between the fin 32 or metal tube 31 inwalls are set.Clamping plate 51 also can adopt printed substrate to make, and can realize fixing by soldering between clamping plate 51 and the control circuit board 5, and is convenient and swift.
Owing to need to be connected between control circuit board and planar LED luminescence unit 4 and the lamp holder 2 by joint or connecting line, these joints or connecting line can have influence on the convection current of air in metal tube 31, therefore for reducing the influence that joint or connecting line flow to air, the tube wall of described metal tube 31 is provided with the wire casing 34 that is used to inlay connecting line on the control circuit board 5 or joint.
Because making, the structure of radiator 3 is not easy between lampshade 1 and the radiator 3 install, establish the interface arrangment that is used for lampshade 1 clamping installation on the top of radiator 3 for this reason, it specifically can be buckling groove, accordingly at lampshade 1 bottom buckle, this buckle cooperates with buckling groove can realize assembling, very convenient.Corresponding radiator 3 also can adopt similar structure to realize assembling with the installation of lamp holder 2.
Claims (6)
1. the LED bulb that has the heat sinking structure, comprise lampshade (1), led light source, radiator that is connected with led light source (3) and lamp holder (2), wherein radiator (3) is made up of the metal tube (31) of hollow and the fin-shaped fin (32) that is distributed in metal tube (31) outer wall, led light source is made up of planar LED luminescence unit (4) and control circuit board (5), planar LED luminescence unit (4) is installed on the top of metal tube (31), it is characterized in that: control circuit board (5) axially is installed in the metal tube (31) along metal tube (31), radiator fan (6) is installed in the metal tube (31), and the tube wall of metal tube (31) top and bottom is provided with a large amount of cross-ventilation through holes (33).
2. the LED bulb with heat sinking structure according to claim 1 is characterized in that: described radiator fan (6) is fixed on the below of planar LED luminescence unit (4).
3. the LED bulb with heat sinking structure according to claim 1, it is characterized in that: described control circuit board (5) is provided with perpendicular fixing clamping plate (51), in the draw-in groove that clamping plate (51) is inserted in the cross-ventilation through hole (33) between the fin (32) or metal tube (31) inwall is set.
4. the LED bulb with heat sinking structure according to claim 1 is characterized in that: the tube wall of described metal tube (31) is provided with and is used to inlay the wire casing (34) that control circuit board (5) is gone up connecting line or joint.
5. the LED bulb with heat sinking structure according to claim 1 is characterized in that: the interface arrangment that is used for lampshade (1) clamping installation is established on radiator (3) top.
6. the LED bulb with heat sinking structure according to claim 1 is characterized in that: the interface arrangment that is used for lamp holder (2) clamping installation is established in radiator (3) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201961268U CN201851900U (en) | 2010-05-13 | 2010-05-13 | LED (light emitting diode) bulb with novel radiating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201961268U CN201851900U (en) | 2010-05-13 | 2010-05-13 | LED (light emitting diode) bulb with novel radiating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851900U true CN201851900U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201961268U Expired - Fee Related CN201851900U (en) | 2010-05-13 | 2010-05-13 | LED (light emitting diode) bulb with novel radiating structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN201851900U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252201A (en) * | 2011-07-06 | 2011-11-23 | 福建省万邦光电科技有限公司 | Light-emitting diode (LED) ball-bulb lamp in convex-cup shape |
| CN102384451A (en) * | 2011-11-16 | 2012-03-21 | 沈李豪 | Ventilation heat-radiating device of LED lamp and ventilation heat-radiating type LED lamp |
| CN102748735A (en) * | 2012-06-13 | 2012-10-24 | 广州大学 | LED (light-emitting diode) streetlamp driver power supply radiating device |
| CN110594346A (en) * | 2019-09-09 | 2019-12-20 | 南京思达捷信息科技有限公司 | RFID radio frequency sensor |
-
2010
- 2010-05-13 CN CN2010201961268U patent/CN201851900U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252201A (en) * | 2011-07-06 | 2011-11-23 | 福建省万邦光电科技有限公司 | Light-emitting diode (LED) ball-bulb lamp in convex-cup shape |
| CN102384451A (en) * | 2011-11-16 | 2012-03-21 | 沈李豪 | Ventilation heat-radiating device of LED lamp and ventilation heat-radiating type LED lamp |
| CN102748735A (en) * | 2012-06-13 | 2012-10-24 | 广州大学 | LED (light-emitting diode) streetlamp driver power supply radiating device |
| CN102748735B (en) * | 2012-06-13 | 2014-11-12 | 广州大学 | LED (light-emitting diode) streetlamp driver power supply radiating device |
| CN110594346A (en) * | 2019-09-09 | 2019-12-20 | 南京思达捷信息科技有限公司 | RFID radio frequency sensor |
| CN110594346B (en) * | 2019-09-09 | 2021-05-04 | 国网新疆电力有限公司乌鲁木齐供电公司 | RFID radio frequency sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent Management Officer Document name: Notification that Application Deemed not to be Proposed |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20130513 |