CN105276462A - Light-emitting diode (LED) ceiling lamp capable of transferring and dissipating heat based on lampshade - Google Patents

Light-emitting diode (LED) ceiling lamp capable of transferring and dissipating heat based on lampshade Download PDF

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Publication number
CN105276462A
CN105276462A CN201410344667.3A CN201410344667A CN105276462A CN 105276462 A CN105276462 A CN 105276462A CN 201410344667 A CN201410344667 A CN 201410344667A CN 105276462 A CN105276462 A CN 105276462A
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China
Prior art keywords
lampshade
led
conduction
heat loss
cover
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CN201410344667.3A
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Chinese (zh)
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CN105276462B (en
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付建中
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SIN-LIGHT INDUSTRIAL Co.,Ltd.
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付建中
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Abstract

The invention discloses a light-emitting diode (LED) ceiling lamp capable of transferring and dissipating heat based on a lampshade. The LED ceiling lamp comprises a lamp base, a top cover and the lampshade, wherein the lamp base, the top cover and the lampshade are assembled together. An electric control board is installed on the top cover. A plurality of printed circuit boards (PCB) are installed inside the lampshade. A plurality of LEDs are installed on the PCBs. A base pin of each LED is provided with a bent part. The LED ceiling lamp further comprises supporting rings. The PCBs are fixed to the peripheries of the supporting rings. Under the action of the supporting rings and the lampshade, each LED luminous body is made to be attached to the inner surface of the lampshade tightly through the elastic force generated by the bent parts of the LEDs. Heat of the LED luminous bodies is transferred and dissipated through the lampshade. The electric control board is electrically connected with the lamp base and the LEDs. The two supporting rings are installed at the top and the bottom of the PCBs respectively. The space between the top face of each LED luminous body and the inner wall of the lampshade is filled with transparent heat-conducting silicone grease. The lampshade is made of glass. A fixing column is arranged on the top cover. The electric control board is fixed to the fixing column. The LED ceiling lamp capable of transferring and dissipating heat based on the lampshade has the beneficial effects that the structure is simple, the cost is low, the temperature of the LEDs is lowered, and the service life of the LEDs is prolonged.

Description

Based on the LED pendent lamp of lampshade heat loss through conduction
Technical field
The present invention relates to a kind of LED pendent lamp based on lampshade heat loss through conduction.
Background technology
LED lamp is assembled on same pcb board by a lot LED usually, in order to improve brightness and luminous efficiency, adopts the working method of high brightness big current, temperature is caused to raise, if can not the maximum temperature of control LED effectively, will directly have influence on the service life of LED, reduce luminous efficiency.
The mode of heat radiation, usually heat transfer is had, heat radiation and cross-ventilation etc., comparatively speaking, cross-ventilated cost is lower, but air is good heat-barrier material, poor by air radiating effect, for this reason, application number be 201010139375.8 Chinese patent disclose a kind of LED, described LED comprises LED chip, cooling base and lampshade, described lampshade is fixed on described cooling base, described LED chip is in described lampshade, described lampshade is filled with heat-conducting gas, this invention LED heat dispersion significantly promotes, can comparatively good berth at a lower temperature, but this complex structure cost is higher, also be inconvenient to safeguard.
Heat conducting effect is better, and common heat dissipating method increases fin etc., and its Problems existing is that cost is higher, structure is more complicated, and volume is larger.
Also have and fin and fan combination used, be usually used on the light fixture of super high power.
Summary of the invention
The present invention, according to above deficiency, provides a kind of LED pendent lamp based on lampshade heat loss through conduction, mainly the heat of LED is improved radiating effect by the dispel the heat method that combines of lampshade heat loss through conduction, air, thus reduces the temperature of LED, extend the life-span of LED.
Technical scheme of the present invention is:
A kind of LED pendent lamp based on lampshade heat loss through conduction, comprise: the lamp holder fitted together, top cover and columniform lampshade, top cover is provided with electric-controlled plate, some pieces of pcb boards are installed in lampshade, pcb board is provided with multiple LED, the pin of LED is provided with bending segment, also comprise several support rings, pcb board is fixed on the periphery of support ring, under the effect of support ring and lampshade, the elastic force that the bending segment of LED produces makes LED illuminator be close to the inwall of lampshade, and LED illuminator is by lampshade heat loss through conduction, and electric-controlled plate is electrically connected lamp holder and LED respectively.
We know, common direct insertion LED is in welding process, have height, also our invisible injustice may be there is in lampshade, all LED are allowed to be all inconvenient with lampshade close contact, but, if when all there is Elastic Contact in the illuminator of each LED and lampshade inwall, just greatly can reduce both processing requests, the LED of direct erecting and welding is difficult to have elasticity, but after bending process, when bending segment is longer, LED has certain elasticity, control the size of support ring and lampshade well, can ensure that the illuminator of each LED is close to lampshade inwall, the illuminator of LED is by lampshade heat loss through conduction.
Existing light fixture, when the illuminator of LED does not contact with lampshade, the heat of illuminator is by transfer of air to lampshade heat radiation, and obviously, the effect of heat radiation is far short of what is expected.
Electric-controlled plate can select modal current rectifying and wave filtering circuit.LED between some pieces of pcb boards can determine connection in series-parallel according to the voltage of electric-controlled plate.
As preferably, described support ring is provided with two, is arranged on top and the bottom of pcb board respectively.
In order to improve heat-conducting effect, between the end face of described LED illuminator and the inwall of described lampshade, scribble transparent heat-conducting silicone grease.
In order to improve radiating effect, described lampshade is made up of glass.Though glass is not good heat carrier with Metal Phase ratio, compared with air, it is good heat carrier.
Described top cover is provided with fixed leg, and described electric-controlled plate is fixed on this fixed leg.
The end face of the illuminator of described LED is the curved surface matched with the inwall of lampshade.
Described bending segment and pcb board are an angle.
Described angle 5-15 degree.
Design has angle, and the pin of each LED can be made to intersect not short circuit, can improve the packing density of LED.
The present invention has the beneficial effect that structure is simple, cost is low, reduce LED temperature, extend the LED life-span.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the upward view of Fig. 1.
Detailed description of the invention
Now the present invention is further illustrated by reference to the accompanying drawings:
As shown in the figure, a kind of LED pendent lamp based on lampshade heat loss through conduction, comprise: the lamp holder 1 fitted together, top cover 2 and columniform lampshade 4, top cover 2 is provided with electric-controlled plate 3, some pieces of pcb boards 51 are installed in lampshade 4, pcb board 51 is provided with multiple LED52, the pin of LED52 is provided with bending segment 53, also comprise several support rings 6, pcb board 51 is fixed on the periphery of support ring 6, under the effect of support ring 6 and lampshade 4, the elastic force that the bending segment 53 of LED52 produces makes LED52 illuminator be close to the inwall of lampshade 4, LED52 illuminator is by lampshade 4 heat loss through conduction, electric-controlled plate 3 is electrically connected lamp holder 1 and LED52 respectively.
Support ring 6 is provided with two, is arranged on top and the bottom of pcb board 51 respectively, such as, install by riveted joint or screw.
Transparent heat-conducting silicone grease is scribbled between the end face of LED52 illuminator and the inwall of lampshade 4.
Lampshade 4 is made up of glass.
Top cover 2 is provided with fixed leg, and described electric-controlled plate 3 is fixed on this fixed leg.
The end face of the illuminator of LED52 is the curved surface matched with the inwall of lampshade 4.
Bending segment 53 and pcb board 51 are in an angle.
Angle 5-15 degree.

Claims (8)

1. the LED pendent lamp based on lampshade heat loss through conduction, comprise: the lamp holder (1) fitted together, top cover (2) and columniform lampshade (4), it is characterized in that, top cover (2) is provided with electric-controlled plate (3), some pieces of pcb boards (51) are installed in lampshade (4), pcb board (51) is provided with multiple LED (52), the pin of LED (52) is provided with bending segment (53), also comprise several support rings (6), pcb board (51) is fixed on the periphery of support ring (6), under the effect of support ring (6) and lampshade (4), the elastic force that the bending segment (53) of LED (52) produces makes LED (52) illuminator be close to the inwall of lampshade (4), LED (52) illuminator is by lampshade (4) heat loss through conduction, electric-controlled plate (3) is electrically connected lamp holder (1) and LED (52) respectively.
2. a kind of LED pendent lamp based on lampshade heat loss through conduction as claimed in claim 1, it is characterized in that, described support ring (6) is provided with two, is arranged on top and the bottom of pcb board (51) respectively.
3. a kind of LED pendent lamp based on lampshade heat loss through conduction as claimed in claim 1, is characterized in that, scribble transparent heat-conducting silicone grease between the end face of described LED (52) illuminator and the inwall of described lampshade (4).
4. a kind of LED pendent lamp based on lampshade heat loss through conduction as described in any one of claim 1-3, it is characterized in that, described lampshade (4) is made up of glass.
5. a kind of LED pendent lamp based on lampshade heat loss through conduction as described in any one of claim 1-3, it is characterized in that, (2) are provided with fixed leg to described top cover, and described electric-controlled plate (3) is fixed on this fixed leg.
6. a kind of LED pendent lamp based on lampshade heat loss through conduction as described in any one of claim 1-3, is characterized in that, the end face of the illuminator of described LED (52) is the curved surface matched with the inwall of lampshade (4).
7. a kind of LED pendent lamp based on lampshade heat loss through conduction as described in any one of claim 1-3, is characterized in that, described bending segment (53) and pcb board (51) are in an angle.
8. a kind of LED pendent lamp based on lampshade heat loss through conduction as claimed in claim 7, is characterized in that, described angle 5-15 degree.
CN201410344667.3A 2014-07-17 2014-07-17 LED ceiling lamp based on lamp shade conduction heat dissipation Active CN105276462B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410344667.3A CN105276462B (en) 2014-07-17 2014-07-17 LED ceiling lamp based on lamp shade conduction heat dissipation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410344667.3A CN105276462B (en) 2014-07-17 2014-07-17 LED ceiling lamp based on lamp shade conduction heat dissipation

Publications (2)

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CN105276462A true CN105276462A (en) 2016-01-27
CN105276462B CN105276462B (en) 2020-10-30

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003019506A1 (en) * 2001-08-31 2003-03-06 Showers International Pty Ltd Illuminated sign or display apparatus and mounting of circuit devices
CN2600694Y (en) * 2002-12-31 2004-01-21 仇富军 Electric torch switch
CN2735146Y (en) * 2004-09-03 2005-10-19 陈建宏 Compact lighting fixture
CN101502684A (en) * 2009-03-13 2009-08-12 田水利 Illuminating apparatus for causing liquid lighting in dropping tube of infusion device
CN201487664U (en) * 2009-09-08 2010-05-26 陈炳武 LED bulb
CN201795309U (en) * 2009-12-22 2011-04-13 东莞市美能电子有限公司 Illuminating device
CN102720974A (en) * 2012-07-19 2012-10-10 常熟卓辉光电科技有限公司 High-power light-emitting diode (LED) lamp
CN102980052A (en) * 2011-09-06 2013-03-20 黄嘉宾 Heat-dissipation structure of light-emitting diode (LED) daylight lamp
JP2013191685A (en) * 2012-03-13 2013-09-26 Panasonic Corp Light-emitting device and luminaire using the same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003019506A1 (en) * 2001-08-31 2003-03-06 Showers International Pty Ltd Illuminated sign or display apparatus and mounting of circuit devices
CN2600694Y (en) * 2002-12-31 2004-01-21 仇富军 Electric torch switch
CN2735146Y (en) * 2004-09-03 2005-10-19 陈建宏 Compact lighting fixture
CN101502684A (en) * 2009-03-13 2009-08-12 田水利 Illuminating apparatus for causing liquid lighting in dropping tube of infusion device
CN201487664U (en) * 2009-09-08 2010-05-26 陈炳武 LED bulb
CN201795309U (en) * 2009-12-22 2011-04-13 东莞市美能电子有限公司 Illuminating device
CN102980052A (en) * 2011-09-06 2013-03-20 黄嘉宾 Heat-dissipation structure of light-emitting diode (LED) daylight lamp
JP2013191685A (en) * 2012-03-13 2013-09-26 Panasonic Corp Light-emitting device and luminaire using the same
CN102720974A (en) * 2012-07-19 2012-10-10 常熟卓辉光电科技有限公司 High-power light-emitting diode (LED) lamp

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Effective date of registration: 20200930

Address after: 241000, Spark Industrial Park, hi tech Zone, Yijiang District, Anhui, Wuhu, 21

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Applicant before: Fu Jianzhong

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