CN203454044U - Radiating device of high-power LED (light emitting diode) lamp - Google Patents
Radiating device of high-power LED (light emitting diode) lamp Download PDFInfo
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- CN203454044U CN203454044U CN201320574507.9U CN201320574507U CN203454044U CN 203454044 U CN203454044 U CN 203454044U CN 201320574507 U CN201320574507 U CN 201320574507U CN 203454044 U CN203454044 U CN 203454044U
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- radiator
- cooling device
- forced cooling
- power led
- led lamp
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Abstract
The utility model relates to a radiating device of a high-power LED (light emitting diode) lamp, and belongs to the technical field of the high-power LED lamp. The radiating device comprises a controller, a sensor, a radiator and a forced cooling device, wherein the sensor is arranged at a lampshade of the LED lamp; one end of the controller is connected to the surface of the lampshade of the LED lamp by the sensor, and the other end is connected with the radiator and the forced cooling device, respectively; the controller is used for controlling the on-off of the radiator and the forced cooling device, namely, the controller controls the working state of the radiator and the forced cooling device according to temperature intervals of the lampshade. The radiating device is applied to the high-power LED lamp and has the advantages of high radiation speed, rapid adjustment and the like.
Description
Technical field
The utility model relates to a kind of heat abstractor of high-power LED lamp, belongs to high-powered LED lamp technical field.
Background technology
LED(Light Emitting Diode) be light emitting diode, after certainly inventing, start for lighting field gradually.LED, as new and effective solid light source, has the advantages such as luminous efficiency is high, power consumption is little, the life-span is long, volume is little, is considered to the revolution again of lighting source after incandescent lamp, fluorescent lamp.The birth of LED is acknowledged as one of 21 century high-tech sector most with prospects.Development LED industry is promoted LED illumination, can significantly reduce energy resource consumption and environmental pollution, to energy-saving and emission-reduction, builds a conservation-minded society, and promotes sustainable development and has great strategic importance.Great power LED is in and widelys popularize the application stage at present, in the comprehensive programme of work > of < < " 12 " energy-saving and emission-reduction >, semiconductor lighting has been put into the energy-conserving and emission-cutting technology production demonstration project category that soon emphasis advances.
LED is mainly used in the association areas such as backlight, display screen, automotive lighting, landscape ornamental, signal lamp, general illumination market.General illumination market wherein, along with the appearance of great power LED, great power LED starts to be widely used in the dedicated illumination system of specific use.In illumination market, at present great power LED is still faced with the problems such as luminous efficiency is low, bad, the high cost of dispelling the heat, thus its application to only limit at present street lamp, Tunnel Lamp, hotel, high-grade office building etc. be not very sensitive occasion to price.
Utility model content
In order to overcome in prior art, the defect such as high-powered LED lamp radiating effect is poor, service life is short, the utility model provides a kind of heat abstractor of high-power LED lamp.
For achieving the above object, the technical scheme that the utility model is taked is as follows:
The heat abstractor of high-power LED lamp, comprise controller, sensor, radiator and forced cooling device, described installation of sensors is in the lampshade place of LED light fixture, controller one end is connected to the lampshade surface of LED light fixture by sensor, the other end is connected with forced cooling device with radiator respectively, controller is for controlling the break-make of radiator and forced cooling device, and controller is controlled the duty of radiator and forced cooling device by the temperature range of lampshade.
For realizing better result of use, further arranging of technique scheme is as follows:
Described radiator is that the fin of some array arrangements forms, and preferably, described fin is the oblate column construction that aluminium alloy compacting forms, and fin is irregular rhombus geometry distribution and forms radiator, and radiator carries out heat loss through convection by fin.
Described radiator has two groups, comprises the first radiator and the second radiator, and the first radiator is positioned at the lampshade top of LED light fixture, and the second radiator is connected with the first radiator by return duct.Preferably, the first radiator and the second radiator all adopt liquid metal cooling, between the first radiator and the second radiator, by electromagnetic pump, return duct, are connected.
Described forced cooling device comprises two groups, is arranged at respectively the first radiator and the second radiator top.
Described forced cooling device is fan.
Operation principle of the present utility model and beneficial effect are as follows:
The main Thermal Parameter of high-power LED lamp is junction temperature and thermal resistance, the thermal resistance of LED encapsulating material is larger, heat-sinking capability is limited, also will pass through the heat sink outside transferring heat of chip internal, heat radiation cooling system adopts large-area chips inverted structure, metallic circuit plate structure, thermal trough structure, miniflow array structure etc. on encapsulating structure; Material selection suitable substrate material and adhesive material, replace epoxy resin with silicones, adopts Novel heat-conducting coating heat sink material to solve Heat Conduction Problems.
In the utility model, heat abstractor is mainly dispelled the heat by the reflux cycle of forced cooling device, radiator and loop pipe, and being controllers, the replacing of these several radiating modes controls according to the temperature of LED light fixture, specifically, when LED surface temperature is below 40 ℃ time, controller is opened the first radiator, the first radiator conducts heat to fin, because fin is independent distribution, each fin has not equidistant spacing, surface area and the radiating efficiency that can optimize Fin, dispel the heat in Natural Heat Convection mode; In the time of between 40-50 ℃ of LED surface temperature, the first radiator conducts heat to the second radiator by fin, and two radiators and electromagnetic pump are worked simultaneously, and net quantity of heat is passed on by return duct, makes that LED is working properly reaches higher radiating effect; When 50-60 ℃ of LED surface temperature, the first radiator, the second radiator, forced cooling device and the second fan are all worked, and make great power LED force cooling work; When LED surface temperature more than 60 ℃ and the working time exceed schedule time, the operating current that reduces great power LED declines great power LED temperature, the controller of LED reduces 20% power load automatically, automatically regulates the brightness of LED.
Adopt the utility model, can carry out according to the temperature of LED light fixture the replacing of different radiating modes, can carry out as required in real time the heat radiation of respective degrees, on the one hand, guarantee that lamp surface temperature is in optimum range, be conducive to extend the service life of light fixture, on the other hand, according to the interval range of temperature, carry out the selection of different radiating modes and degree of heat radiation, both be conducive to the raising of radiating efficiency, and can have economized on resources again, energy-conserving and environment-protective.
Especially: when temperature also can subtract at the appointed time, then reduce power load successively, until stop the work of LED light fixture; Device failure during work, stops LED by ARM controller auto-breaking and works.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Number in the figure: 1, lampshade; 2, the first radiator; 21, the first fin; 3, return duct; 4, the second radiator; 41, the second fin; 5, electromagnetic pump; 6, forced cooling device; 61, the first fan; 62, the second fan; 7, sensor.
The specific embodiment
Embodiment 1
The heat abstractor of high-power LED lamp, in conjunction with Fig. 1, comprise controller, sensor 7, radiator (i.e. the first radiator 2) and forced cooling device 6, sensor 7 is installed on lampshade 1 place of LED light fixture, controller one end is connected to lampshade 1 surface of LED light fixture by sensor 7, the other end is connected with forced cooling device 6 with radiator 2 respectively, and controller is for controlling the break-make of radiator and forced cooling device 6.In the present embodiment, radiator is installed on lampshade 1 top of LED light fixture, the fin that radiator is arranged by the some geometries that assume diamond in shape (i.e. the first fin 21) forms, the oblate column construction that the first fin 21 is made for aluminium alloy, radiator carries out heat loss through convection by fin, and return duct 3 carries out heat loss through convection; Forced cooling device 6 is fan, and fan is arranged at radiator top.
In the utility model, controller is controlled the duty of radiator and forced cooling device 6 by the temperature range of lampshade: when LED surface temperature is below 40 ℃ time, controller is opened radiator, controls the spacing between fin, realizes Natural Heat Convection; In the time of between 40-50 ℃ of LED surface temperature, radiator and electromagnetic pump 5 are worked simultaneously, and loop pipe 3 starts, and carries out circulation cooling; When 50-60 ℃ of LED surface temperature, radiator and forced cooling device 6 are opened simultaneously, force cooling; When LED surface temperature more than 60 ℃ and the working time exceed schedule time, the controller of LED reduces 20% power load automatically, automatically regulates the brightness of LED.
Adopt the utility model, can carry out according to the temperature of LED light fixture the replacing of different radiating modes, can carry out as required in real time the heat radiation of respective degrees, on the one hand, guarantee that lamp surface temperature is in optimum range, be conducive to extend the service life of light fixture, on the other hand, according to the interval range of temperature, carry out the selection of different radiating modes and degree of heat radiation, both be conducive to the raising of radiating efficiency, and can have economized on resources again, energy-conserving and environment-protective.
The heat abstractor of high-power LED lamp, in conjunction with Fig. 1, comprise controller, sensor 7, radiator and forced cooling device 6, sensor 7 is installed on lampshade 1 place of LED light fixture, controller one end is connected to lampshade 1 surface of LED light fixture by sensor 7, the other end is connected with forced cooling device 6 with radiator respectively, and controller is for controlling the break-make of radiator and forced cooling device 6.In the present embodiment, radiator comprises that the first radiator 2 and the second radiator 4, the first radiators 2 are installed on lampshade 1 top of LED light fixture, as main radiator; The second radiator 4 is connected with the first radiator 2 by return duct 3, the first fin 21, the second fin 41 that the first radiator 2 and the second radiator 4 are arranged by some rhombuses respectively form, the first fin 21 and the second fin 41 are oblate column construction, radiator carries out heat loss through convection by fin, and return duct 3 carries out circulating reflux heat radiation; Forced cooling device 6 comprises that the first fan 61 and the second fan 62, the first fans 61 and the second fan 62 are arranged at respectively the first radiator 2 and the second radiator 4 tops.
In the utility model, controller is controlled the duty of radiator and forced cooling device 6 by the temperature range of lampshade: when LED surface temperature is below 40 ℃ time, controller is opened the first radiator 2 and the second radiator 4, by free convection mode, is dispelled the heat; In the time of between 40-50 ℃ of LED surface temperature, controller also starts the first fan 61 and the second fan 62 when starting radiator, and LED light fixture is carried out to air blast cooling circulation cooling; When 50-60 ℃ of LED surface temperature, controller starts loop pipe 3 and carries out circulation cooling; When LED surface temperature more than 60 ℃ and the working time exceed schedule time, the controller of LED reduces 20% power load automatically, automatically regulates the brightness of LED.
Adopt the utility model, can carry out according to the temperature of LED light fixture the replacing of different radiating modes, can carry out as required in real time the heat radiation of respective degrees, on the one hand, guarantee that lamp surface temperature is in optimum range, be conducive to extend the service life of light fixture, on the other hand, according to the interval range of temperature, carry out the selection of different radiating modes and degree of heat radiation, both be conducive to the raising of radiating efficiency, and can have economized on resources again, energy-conserving and environment-protective.
Claims (7)
- The heat abstractor of high-power LED lamp, it is characterized in that: comprise controller, sensor, radiator and forced cooling device, described installation of sensors is in the lampshade place of LED light fixture, controller one end is connected to the lampshade surface of LED light fixture by sensor, the other end is connected with forced cooling device with radiator respectively, controller is for controlling the break-make of radiator and forced cooling device, and controller is controlled the duty of radiator and forced cooling device by the temperature range of lampshade.
- The heat abstractor of high-power LED lamp as claimed in claim 1, is characterized in that: the fin that described radiator is some array arrangements forms.
- The heat abstractor of high-power LED lamp as claimed in claim 2, it is characterized in that: described fin is the oblate column construction that aluminium alloy compacting forms, fin is irregular rhombus geometry distribution and forms radiator, and radiator carries out heat loss through convection by fin.
- The heat abstractor of the high-power LED lamp as described in claim 1-3 any one, it is characterized in that: described radiator has two groups, comprise the first radiator and the second radiator, the first radiator is positioned at the lampshade top of LED light fixture, and the second radiator is connected with the first radiator by return duct.
- Preferably,The heat abstractor of high-power LED lamp as claimed in claim 4, is characterized in that: between the first described radiator and the second radiator, by electromagnetic pump, return duct, be connected.
- The heat abstractor of high-power LED lamp as claimed in claim 4, is characterized in that: described forced cooling device comprises two groups, is arranged at respectively the first radiator and the second radiator top.
- The heat abstractor of high-power LED lamp as claimed in claim 6, is characterized in that: described forced cooling device is fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574507.9U CN203454044U (en) | 2013-09-17 | 2013-09-17 | Radiating device of high-power LED (light emitting diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574507.9U CN203454044U (en) | 2013-09-17 | 2013-09-17 | Radiating device of high-power LED (light emitting diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203454044U true CN203454044U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320574507.9U Expired - Fee Related CN203454044U (en) | 2013-09-17 | 2013-09-17 | Radiating device of high-power LED (light emitting diode) lamp |
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| Country | Link |
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| CN (1) | CN203454044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197291A (en) * | 2014-09-16 | 2014-12-10 | 合肥徽彩电子科技有限公司 | Liquid metal heat sink for LED (light emitting diode) lamp |
| CN107940419A (en) * | 2017-12-06 | 2018-04-20 | 付永智 | Wind-cooling heat dissipating type LED light device |
-
2013
- 2013-09-17 CN CN201320574507.9U patent/CN203454044U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197291A (en) * | 2014-09-16 | 2014-12-10 | 合肥徽彩电子科技有限公司 | Liquid metal heat sink for LED (light emitting diode) lamp |
| CN107940419A (en) * | 2017-12-06 | 2018-04-20 | 付永智 | Wind-cooling heat dissipating type LED light device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20160917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |