CN102966933B - Heat radiation system for LED (light emitting diode) illumination - Google Patents
Heat radiation system for LED (light emitting diode) illumination Download PDFInfo
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- CN102966933B CN102966933B CN201210322587.9A CN201210322587A CN102966933B CN 102966933 B CN102966933 B CN 102966933B CN 201210322587 A CN201210322587 A CN 201210322587A CN 102966933 B CN102966933 B CN 102966933B
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- heat radiation
- solar panel
- led
- reflection plate
- light emitting
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- 230000005855 radiation Effects 0.000 title claims abstract description 46
- 238000005286 illumination Methods 0.000 title abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
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Abstract
The invention relates to a heat radiation system for LED (light emitting diode) illumination. The heat radiation system comprises an illumination unit, a heat radiation unit and a control unit. The illumination unit comprises an LED daylight lamp and a light gathering plate adjustment device, the heat radiation unit comprises a temperature sensor and a heat radiation miniature fan, the temperature sensor is used for collecting a temperature of the circuit board and sending the data to the control unit for processing, the control unit is used for controlling the illuminating number of light emitting diodes and starting of the heat radiation miniature fan and the light gathering adjustment device according to the temperature value collected by the temperature sensor, the light gathering plate adjustment device is used for driving a light gathering plate to move downward and enabling the light gathering plate to form a heat radiation passageway with an arc reflecting plate, and the heat radiation miniature fan is used for blowing hot air out of the LED daylight lamp through the heat radiation passageway. Since the position of the light gathering plate is lowered by the light gathering plate adjustment device so as to form the heat radiation passageway, a great amount of heat accumulated in the lamp is exhausted by the heat radiation miniature fan through the heat radiation passageway, and heat radiation on the LED daylight lamp can be effectively controlled.
Description
Technical field
The present patent application is on 06 17th, 2011 applying date, and application number is: 201110163235.9, and name is called the dividing an application of application for a patent for invention of " a kind of LED lighting heat dissipation system ".The present invention relates to a kind of luminaire heat dissipating system, especially relate to a kind of LED lighting heat dissipation system.
Background technology
LED is a kind of solid-state semiconductor devices, and it can directly be converted into light electricity.The heart of LED is a semi-conductive wafer, and one end of wafer is attached on a support, and one end is negative pole, and the other end connects the positive pole of power supply, makes whole wafer by epoxy encapsulation.Semiconductor wafer is comprised of two parts, and a part is P-type semiconductor, in its hole, the inside, occupies an leading position, and the other end is N-type semiconductor, here, is mainly electronics.But when these two kinds of semiconductors couple together, between them, just form a P-N knot.When electric current acts on this wafer by wire, electronics will be pushed to P district, and in P district, electronics, with hole-recombination, then will send energy with the form of photon, the luminous principle of LED that Here it is.
LED light fixture is because heat radiation is large, if can not dispel the heat in time, especially great power LED or LED fluorescent lamp will burn electronic devices and components service time long afterwards, has influence on the normal use of LED light fixture and life-span.
As shown in Figure 1, LED lighting heat dissipation system 1 comprises arc reflection plate 2 and light emitting diode 3, and light emitting diode group 3 easily concentrates on the circuit board under it, is not easy heat radiation, can burn out circuit board after of long duration.
Summary of the invention
The present invention has designed a kind of LED lighting heat dissipation system, and the technical problem of its solution is that existing LED lighting heat dissipation system radiating effect is not good.
In order to solve the technical problem of above-mentioned existence, the present invention has adopted following scheme:
A kind of LED lighting heat dissipation system, comprise lighting unit, heat-sink unit and control module, described lighting unit comprises LED fluorescent lamp and solar panel adjusting device, described heat-sink unit comprises temperature sensor and heat radiation mini-fan, temperature on described temperature sensor collecting circuit board is also sent to control module processing, the quantity that described control module is lighted according to the Temperature numerical control light emitting diode of temperature sensor collection and the unlatching of controlling heat radiation mini-fan and solar panel adjusting device, described solar panel adjusting device drives solar panel to move down and make described solar panel and arc reflection plate to form heat dissipation channel, described heat radiation mini-fan blows out described LED fluorescent lamp by hot-air by heat dissipation channel.
Further, described control module is closed after the light emitting diode at LED fluorescent lamp two ends, and described solar panel adjusting device driving solar panel is moved downward to focal zone and guarantees brightness.
Further, described LED fluorescent lamp comprises arc reflection plate, a plurality of light emitting diodes are arranged on described arc reflection plate by circuit board, at described arc reflection backboard face, connect a heat radiation cannelure, the material of described arc reflection plate and described heat radiation cannelure is all same metal, and described arc reflection plate and described tangent connection of heat radiation cannelure.
Further, described heat radiation cannelure inner and upper is provided with described heat radiation mini-fan, below, described heat radiation cannelure inside is provided with a plurality of upper air vents, described solar panel adjusting device drives solar panel to move down the space making between solar panel and arc reflection plate and forms lower air vent, and described upper air vent and described lower air vent form described heat dissipation channel.
Further, the wind that described heat radiation mini-fan blows out faces described upper air vent.
Further, described solar panel adjusting device comprises micromachine and screw rod, and micromachine is fixed on one end of screw rod, and described screw rod is provided with chute, on described solar panel, be provided with the current hole of screw rod, in current hole, be provided with two projections that can slide in chute.
Further, described solar panel is by a plurality of solar panel cell formations, and each solar panel unit is convex lens.
Further, described solar panel both sides are provided with elastic wear-resisting piece.
This LED lighting heat dissipation system is compared with traditional LED lighting heat dissipation system, has following beneficial effect:
(1) thus the present invention forms heat dissipation channel owing to reducing solar panel position by solar panel adjusting device, heat radiation mini-fan is discharged by heat dissipation channel the amount of heat accumulating in light fixture, thereby can thereby can carry out effective radiating control to LED fluorescent lamp.
(2) the present invention is also owing to can controlling the quantity of working in a plurality of light emitting diodes, if thereby when using great power LED, when heat is too concentrated, can the work of control section light emitting diode and part quit work, thereby guarantee the working environment of normal temperature.
(3) the present invention also can not have influence on whole illuminating effect when extinguishing part LED, drives solar panel to be moved downward to focal zone guarantee brightness of illumination by solar panel adjusting device.
(4) the present invention is also provided with elastic wear-resisting piece in solar panel both sides, avoids solar panel to move up and down in process and occurs firmly to contact with arc reflection plate, harmful wearing and tearing of generation part.
Accompanying drawing explanation
Fig. 1 is the profile of existing LED lighting heat dissipation system;
Fig. 2 is the first section of structure of LED lighting heat dissipation system of the present invention;
Fig. 3 is the second section of structure of LED lighting heat dissipation system of the present invention;
Fig. 4 is the functional module block diagram of LED lighting heat dissipation system of the present invention;
Fig. 5 is screw-rod structure schematic diagram in the present invention;
Fig. 6 is solar panel structural representation in the present invention;
Fig. 7 is the operation principle schematic diagram of LED lighting heat dissipation system in the present invention;
Fig. 8 is light emitting diode group schematic perspective view in the present invention.
Description of reference numerals:
1-LED fluorescent lamp; 2-arc reflection plate; 21-lower air vent; 3-light emitting diode group; The 31-the first light emitting diode; The 32-the second light emitting diode; The 33-the three light emitting diode; The 34-the four light emitting diode; The 35-the five light emitting diode; The 36-the six light emitting diode; The 37-the seven light emitting diode; 38-circuit board; 4-heat radiation cannelure; 41-upper air vent; 5-heat radiation mini-fan; 6-solar panel adjusting device; 61-micromachine; 62-screw rod; 621-chute; 63-solar panel; 631-current hole; 632-projection; 633-solar panel unit; 64-elastic wear-resisting piece.
The specific embodiment
Below in conjunction with Fig. 2 to Fig. 8, the present invention will be further described:
If Fig. 2 is to as shown in Figure 8, a kind of LED lighting heat dissipation system, comprise lighting unit, heat-sink unit and control module, lighting unit comprises LED fluorescent lamp 1 and solar panel adjusting device 6, heat-sink unit comprises temperature sensor and heat radiation mini-fan 5, temperature on temperature sensor collecting circuit board is also sent to control module processing, the quantity that control module is lighted according to the Temperature numerical control light emitting diode of temperature sensor collection and the unlatching of controlling heat radiation mini-fan 5 and solar panel adjusting device 6, solar panel adjusting device 6 drives solar panel 63 to move down and make solar panel 63 and arc reflection plate 2 to form heat dissipation channel, heat radiation mini-fan 5 blows out described LED fluorescent lamp 1 by hot-air by heat dissipation channel.Thereby by solar panel adjusting device, reduce solar panel position and form heat dissipation channel, heat radiation mini-fan is discharged by heat dissipation channel the amount of heat accumulating in light fixture, thereby can thereby can carry out effective radiating control to LED fluorescent lamp.
Control module is closed after the light emitting diode at LED fluorescent lamp 1 two ends, and solar panel adjusting device 6 driving solar panels 63 are moved downward to focal zone and guarantee brightness.Can not have influence on whole illuminating effect when extinguishing part LED, by solar panel adjusting device, drive solar panel to be moved downward to focal zone and guarantee brightness of illumination.
LED fluorescent lamp 1 comprises arc reflection plate 2, a plurality of light emitting diodes 3 are arranged on arc reflection plate 2 by circuit board, at arc reflection plate 2 back sides, connect a heat radiation cannelure 4, both materials of arc reflection plate 2 and heat radiation cannelure 4 be all same metal, and arc reflection plate 2 with dispel the heat that cannelure 4 is tangent to be connected.
Heat radiation cannelure 4 inner and upper are provided with heat radiation mini-fan 5, the inner below of heat radiation cannelure 4 is provided with a plurality of upper air vents 41, solar panel adjusting device 6 drives solar panel 63 to move down the space making between solar panel 63 and arc reflection plate 2 and forms lower air vent 21, and upper air vent 41 and lower air vent 21 form heat dissipation channel.The wind that heat radiation mini-fan 5 blows out faces air vent 41.
Solar panel adjusting device 6 comprises micromachine 61 and screw rod 62, micromachine 61 is fixed on one end of screw rod 62, screw rod 62 is provided with chute 621, is provided with the current hole 631 of screw rod 62 on solar panel 63, in current hole 631, is provided with two projections 632 that can slide in chute 621.The working method of this solar panel adjusting device 6 is as follows: when micromachine 61 work, screw rod 62 carries out High Rotation Speed, and projection 632 can move ahead or retreat in the chute 621 of the screw rod 62 of High Rotation Speed.Thereby solar panel 63 is also realized seesawing of self by the movement of projection 632.
Thereby it is as follows that above-mentioned parts can be realized control method or the control principle of LED lighting heat dissipation system:
Temperature on temperature sensor collecting circuit board is also sent to control module processing, and control module is processed decision circuitry plate temperature and reached A ℃, means that circuit board and light emitting diode group need cooling; Control module is opened solar panel adjusting device 6 and heat radiation mini-fan 5, solar panel adjusting device 6 drives solar panel 63 to move down, space between solar panel 63 and arc reflection plate 2 forms lower air vent 21, and the wind that hot mini-fan 5 blows out is successively by upper air vent 41 and lower air vent 21 and LED light fixture is gathered to a large amount of heats and derive;
Temperature on temperature sensor collecting circuit board is also sent to control module processing, and control module is processed decision circuitry plate temperature and reached B ℃, and A ℃ of <B ℃ means the further cooling of circuit board and light emitting diode group needs; Control module is closed one or two light emitting diode at LED fluorescent lamp 1 two ends, and also opens hot mini-fan 5, and the wind that hot mini-fan 5 blows out is successively by upper air vent 41 and lower air vent 21 and LED light fixture is gathered to a large amount of heats and derive;
In order to ensure reaching original illuminating effect, by solar panel adjusting device 6, drive solar panel 63 to be moved downward to focal zone and guarantee that brightness of illumination does not reduce simultaneously.
When after cooling, when control module processing decision circuitry plate temperature reaches below A ℃ or B ℃, can return to original state.
So control method can extend greatly to the LED lighting life-span.
By reference to the accompanying drawings the present invention has been carried out to exemplary description above; obvious realization of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all in protection scope of the present invention.
Claims (3)
1. a LED lighting heat dissipation system, comprise lighting unit, heat-sink unit and control module, described lighting unit comprises LED fluorescent lamp (1) and solar panel adjusting device (6), described heat-sink unit comprises temperature sensor and heat radiation mini-fan (5), it is characterized in that: the temperature on described temperature sensor collecting circuit board is also sent to control module processing, the quantity that described control module is lighted according to the Temperature numerical control light emitting diode of temperature sensor collection and the unlatching of controlling heat radiation mini-fan (5) and solar panel adjusting device (6), described solar panel adjusting device (6) drives solar panel (63) to move down and make described solar panel (63) and arc reflection plate (2) to form heat dissipation channel, described heat radiation mini-fan (5) blows out described LED fluorescent lamp (1) by hot-air by heat dissipation channel, described LED fluorescent lamp (1) comprises described arc reflection plate (2), a plurality of light emitting diodes are arranged on described arc reflection plate (2) by circuit board, at described arc reflection plate (2) back side, connect a heat radiation cannelure (4), described arc reflection plate (2) is all same metal with both materials of described heat radiation cannelure (4), and described arc reflection plate (2) and tangent connection of described heat radiation cannelure (4), described solar panel adjusting device (6) comprises micromachine (61) and screw rod (62), micromachine (61) is fixed on one end of screw rod (62), described screw rod (62) is provided with chute (621), on described solar panel (63), be provided with the current hole (631) of screw rod (62), in current hole (631), be provided with two projections (632) that can slide in chute (621).
2. LED lighting heat dissipation system according to claim 1, is characterized in that: described solar panel (63) consists of a plurality of solar panels unit (633), and each solar panel unit (633) is convex lens.
3. LED lighting heat dissipation system according to claim 2, is characterized in that: described solar panel (63) both sides are provided with elastic wear-resisting piece (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210322587.9A CN102966933B (en) | 2011-06-17 | 2011-06-17 | Heat radiation system for LED (light emitting diode) illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210322587.9A CN102966933B (en) | 2011-06-17 | 2011-06-17 | Heat radiation system for LED (light emitting diode) illumination |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101632359A Division CN102242919B (en) | 2011-06-17 | 2011-06-17 | LED (light emitting diode) lighting and cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966933A CN102966933A (en) | 2013-03-13 |
| CN102966933B true CN102966933B (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210322587.9A Expired - Fee Related CN102966933B (en) | 2011-06-17 | 2011-06-17 | Heat radiation system for LED (light emitting diode) illumination |
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| CN110513652A (en) * | 2019-07-23 | 2019-11-29 | 安徽千禧精密轴承制造有限公司 | Adjustable automobile illuminator |
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| JP4225626B2 (en) * | 1999-04-02 | 2009-02-18 | 三菱電機株式会社 | Light source device |
| JP2005309121A (en) * | 2004-04-22 | 2005-11-04 | Sharp Corp | Light source apparatus, and projector equipped with the same |
| CN201599601U (en) * | 2009-11-30 | 2010-10-06 | 黄聪文 | High-power LED energy-saving lighting lamp |
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Inventor after: Zhu Chaojun Inventor after: Feng Ling Inventor before: Yu Guohong |
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Free format text: CORRECT: ADDRESS; FROM: 322000 JINHUA, ZHEJIANG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: YU GUOHONG TO: ZHU CHAOJUN FENG LING |
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Effective date of registration: 20140221 Address after: 518000 Baoan District Shenzhen Shiyan street should be the people of stone community, Yongxin street, and Industrial Park, A, building five, building on the right side of the building on the three floor Applicant after: SHENZHEN ZHONGJI XINGYE ELECTRONICS CO., LTD. Address before: 3 floor 322000, E District, Yiwu International Trade City, Zhejiang, 8643 Applicant before: Yu Guohong |
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