CN201858622U - High-power LED (light emitting diode) 360-DEG radiating device - Google Patents
High-power LED (light emitting diode) 360-DEG radiating device Download PDFInfo
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- CN201858622U CN201858622U CN2010206233731U CN201020623373U CN201858622U CN 201858622 U CN201858622 U CN 201858622U CN 2010206233731 U CN2010206233731 U CN 2010206233731U CN 201020623373 U CN201020623373 U CN 201020623373U CN 201858622 U CN201858622 U CN 201858622U
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- heat
- power led
- heat pipe
- radiating substrate
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Abstract
The utility model relates to a high-power LED (light emitting diode) 360-DEG radiating device comprising a lamp holder, a lampshade, at least one high-power LED, a PCB (printed circuit board), a radiating base plate, a heat pipe group, a thermistor and a magnetic suspension fan, wherein the lampshade is fixedly connected with the lamp holder; the high-power LED is arranged in the lampshade; the PCB is electrically connected with the high-power LED; the heat pipe group is crown-shaped; the PCB is welded with the radiating base plate; the radiating base plate is welded with the heat pipe group; and the PCB, the thermistor and the magnetic suspension fan are electrically connected in sequence. The radiating device has small volume and high reliability, can carry out 360-DEG radiation on the high-power LED, can slow down light attenuation of the high-power LED due to overhigh temperature to prolong the service life of the high-power LED and has good economic benefits.
Description
Technical field
The utility model relates to a kind of heat abstractor, relates in particular to a kind of great power LED 360 degree heat abstractors.
Background technology
LED is one of high-tech sector of the tool development prospect in the whole world in recent years, LED have long, power consumption of life-span less, advantage that volume is little, response is fast, the anti-low temperature of antidetonation, pollution are little etc. gives prominence to, be called as the 4th generation lighting source or green light source, become the significant leap again after incandescent lamp, fluorescent lamp on the human illumination history, to breed new light source revolution, along with constantly bringing forth new ideas and break through of LED high-efficiency energy-saving technology, its replace comprehensively conventional light source for the time not far.
LED is a kind of solid-state semiconductor devices that electric energy can be converted into visible light, and it can directly be converted into light to electricity.Maximum 20% energy is with the radiation of photon form during the LED running, and all the other energy of 80% all are converted into heat energy and make chip and fluorescent coating heating.For low-power LED, it is too many that the heat effect of 80% input power can not make chip temperature rise, and the light efficiency of LED, life-span and operating condition influence are little; And for the LED lamp plate of forming for great power LED with by most low-power LEDs, concentrating more than 80% of its power consumption occurs in very little p-n junction district, chip and fluorescent coating are significantly heated up, because chip and fluorescent material is baking at high temperature for a long time, this not only influences light efficiency, and can cause quick light decay and make the lost of life, this is a big drawback, the LED illuminating engineering running after 3～4 months rapid light decay make designer's light source of having to usually change.Therefore, advantages such as structure is little though LED has, light weight, power consumption are low, long service life, sturdy and durable, environmental protection, but how to solve LED light decay problem is a great problem of puzzlement LED industry development, and the control temperature is exactly to control the key issue of LED light decay in fact.Packaged type that LED is adopted in manufacture process and material have direct influence to the radiating effect of LED, but this is unmodifiable for the finished product of LED.LED is under long-term continuously working condition, and heat dissipation problem is directly to influence LED light decay degree, the deciding factor in service life.
LED radiating mode comparatively commonly used in the prior art all adopts passive heat radiation, promptly adopt the radiating fin of different structure or install heat pipe additional, though can accelerate the heat radiation of LED, but when external environment condition heats up, when the LED lamppost overmatter of LED lamp plate or LED lamp socket dimensional requirement are too small, only add radiating fin or heat pipe and just can not reach desirable radiating effect.Therefore, be necessary to provide that a kind of volume is little, the high-power LED heat radiating device of good heat dissipation effect.
The utility model content
In order to overcome above defective, the technical problem that the utility model solves is: provide a kind of volume little, fully improve the great power LED cooling effect, effectively reduce the LED light decay, prolong the LED great power LED 360 degree heat abstractors in service life.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical problem that solves the utility model adopts is: a kind of great power LED 360 degree heat abstractors, comprise lamp socket and the lampshade that is connected with lamp socket, place at least one great power LED in the lampshade, the pcb board that is electrically connected with great power LED, also be provided with heat-radiating substrate, heat pipe heat, thermistor and magnetic suspension fan, described heat pipe heat is " bucket hat " type, described pcb board and the welding of described heat-radiating substrate, described heat-radiating substrate and the welding of described heat pipe heat, described pcb board, thermistor, the magnetic suspension fan is electrically connected in proper order.
In preferred embodiment of the utility model, described heat-radiating substrate is fixed on the lampshade, and described thermistor is fixed on the heat-radiating substrate, and described magnetic suspension fan is fixed on the lamp socket.
In preferred embodiment of the utility model, be " mouth " font with the ground floor heat pipe heat of described heat-radiating substrate welding, described ground floor heat pipe heat is welded with horizontal heat pipe heat by being welded on vertically being welded to connect to heat pipe heat and vertical heat pipe heat on its four corners on described vertical heat pipe heat.
In preferred embodiment of the utility model, be provided with insulating barrier between described pcb board and the described heat-radiating substrate.
In preferred embodiment of the utility model, described heat-radiating substrate adopts aluminium to make.
In preferred embodiment of the utility model, the cross section of heat pipe is a square in the described heat pipe heat.
The utility model has solved the defective that exists in the background technology, the utility model volume is little, reliability is high, can carry out 360 degree direction heat radiations, the light decay of the too high generation of great power LED Yin Wendu of slowing down to great power LED, improve the service life of great power LED, had good economic benefits.
Description of drawings
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the front view of heat-radiating substrate and heat pipe heat in the utility model;
Fig. 3 is the vertical view of heat-radiating substrate and heat pipe heat in the utility model.
Among the figure: 1, heat-radiating substrate, 2, pcb board, 3, great power LED, 4, lamp socket, 5, the magnetic suspension fan, 6, lampshade, 7, heat pipe heat, 8, thermistor, 9, insulating barrier.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of great power LED 360 degree heat abstractors, comprise lamp socket 4 and the lampshade 6 that is connected with lamp socket 4, place at least one great power LED 3 in the lampshade 6, the pcb board 2 that is electrically connected with great power LED 3, also be provided with heat-radiating substrate 1, heat pipe heat 7, thermistor 8 and magnetic suspension fan 5, described heat pipe heat 7 is " bucket hat " type, described pcb board 2 and described heat-radiating substrate 1 welding, described heat-radiating substrate 1 and described heat pipe heat 7 welding, 7 of heat-radiating substrate 1 and heat pipe heat are contacted, realize the maximal heat transfer effect, described pcb board 2, thermistor 8, magnetic suspension fan 5 orders are electrically connected.
In the utility model preferred embodiment, heat-radiating substrate 1 is fixed on the lampshade 6, heat-radiating substrate 1 is transmitted to the part heat on the lampshade 6 in heat radiation, the shell of lampshade 6 is shaped on groove and aperture (not shown), strengthen area of dissipation and circulation of air, described thermistor 8 is fixed on the heat-radiating substrate 1, and described magnetic suspension fan 5 is fixed on the lamp socket 4.
In conjunction with Fig. 2 and Fig. 3, in the utility model preferred embodiment, heat pipe heat 7 architectural features are " bucket hat " type, the cross section of heat pipe is a square in the heat pipe heat 7, be " mouth " font with the ground floor heat pipe heat 7 of described heat-radiating substrate 1 welding, described ground floor heat pipe heat 7 is by being welded on vertically being welded to connect to heat pipe heat 7 and vertical heat pipe heat 7 on its four corners, be welded with horizontal heat pipe heat 7 on described vertical heat pipe heat 7, when great power LED 3 quantity are many, can be by the crisscross heat pipe heat 7 of welding on heat pipe heat 7.Because heat pipe heat 7 is one with heat-radiating substrate 1 weldering, heat conducts to heat pipe heat 7 by heat-radiating substrate 1, heat pipe temperature in the heat pipe heat 7 rises, in temperature surpasses heat pipe during the boiling temperature of hydraulic fluid, the hydraulic fluid of heat pipe bringing-up section begins the carburation by evaporation that is heated, and steam flows to cooling section and emits heat and condense into liquid under small pressure reduction, and liquid flows back to bringing-up section along porous material by the effect of capillary force again, this circulation is carried out fast, and heat can be come by conduction continuously.
In the utility model preferred embodiment, great power LED 3 is electrically connected with pcb board 2, with most of heat transferred pcb board 2, the copper-clad of pcb board 2 and heat-radiating substrate 1 weld together, between pcb board and heat-radiating substrate 1, be provided with the insulating barrier of high thermal conductivity, heat-radiating substrate 1 adopts aluminium to make, and light weight and thermal conductivity and thermal diffusivity are good.
In the utility model preferred embodiment, thermistor 8 can adopt semistor, also can adopt negative tempperature coefficient thermistor.When thermistor 8 adopted semistor, thermistor 8 was in parallel with magnetic suspension fan 5; When thermistor 8 adopted negative tempperature coefficient thermistor, thermistor 8 was connected with magnetic suspension fan 5.Existing than in the mature technique, it is very little that the volume of miniature magnetic suspension motor can be done, because stator does not contact with rotor in the magnetic suspension motor, rotating speed of motor is not subjected to the restriction of bearing, therefore adopts magnetic suspension motor to have power foot, noiseless advantage; Drive magnetic suspension fan 5 with magnetic suspension motor, accelerate the surperficial circulation of air of lampshade 6 interior heat pipe heat 7 and heat-radiating substrate 1, the heat that produces when making great power LED 3 work conducts diffusion fast to 360 degree.
When actual motion, great power LED 3 is converted into luminous energy with 20% electric energy, 80% electric energy is converted into heat energy, after great power LED 3 is opened a period of time, led chip produces a large amount of heats, heat diffusion conducts to pcb board 2 and heat-radiating substrate 1, heat-radiating substrate 1 is in heat radiation, heat is conducted to heat pipe heat 7, after temperature surpasses the boiling temperature of hydraulic fluid in the heat pipe, heat pipe begins to do the circulation cooling work of vaporization-liquefaction-vaporization, and the semistor 8 that is fixed on the heat-radiating substrate 1 is in parallel with magnetic suspension fan 5, after the temperature of thermistor 8 rises, the resistance of thermistor 8 is changed from small to big, magnetic suspension fan 5 gets electric startup, and the circulation of air that magnetic suspension fan 5 is accelerated in the lampshades 6 realizes that great power LED carries out 360 degree and dispels the heat.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related personnel can carry out various change and modification fully in the scope that does not depart from this utility model technological thought.The technical scope of this utility model is not limited to the content on the specification, must determine technical scope according to the claim scope.
Claims (6)
1. a great power LED 360 is spent heat abstractors, comprise lamp socket and the lampshade that is connected with lamp socket, place at least one great power LED in the lampshade, the pcb board that is electrically connected with great power LED, it is characterized in that: also be provided with heat-radiating substrate, heat pipe heat, thermistor and magnetic suspension fan, described heat pipe heat is " bucket hat " type, described pcb board and the welding of described heat-radiating substrate, described heat-radiating substrate and the welding of described heat pipe heat, described pcb board, thermistor, magnetic suspension fan are electrically connected in proper order.
2. great power LED 360 degree heat abstractors as claimed in claim 1, it is characterized in that: described heat-radiating substrate is fixed on the lampshade, and described thermistor is fixed on the heat-radiating substrate, and described magnetic suspension fan is fixed on the lamp socket.
3. great power LED 360 degree heat abstractors as claimed in claim 1, it is characterized in that: be " mouth " font with the ground floor heat pipe heat of described heat-radiating substrate welding, described ground floor heat pipe heat is welded with horizontal heat pipe heat by being welded on vertically being welded to connect to heat pipe heat and vertical heat pipe heat on its four corners on described vertical heat pipe heat.
4. great power LED 360 degree heat abstractors as claimed in claim 1 is characterized in that: be provided with insulating barrier between described pcb board and the described heat-radiating substrate.
5. great power LED 360 degree heat abstractors as claimed in claim 1, it is characterized in that: described heat-radiating substrate adopts aluminium to make.
6. great power LED 360 degree heat abstractors as claimed in claim 1, it is characterized in that: the cross section of heat pipe is square in the described heat pipe heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206233731U CN201858622U (en) | 2010-11-25 | 2010-11-25 | High-power LED (light emitting diode) 360-DEG radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206233731U CN201858622U (en) | 2010-11-25 | 2010-11-25 | High-power LED (light emitting diode) 360-DEG radiating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858622U true CN201858622U (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206233731U Expired - Fee Related CN201858622U (en) | 2010-11-25 | 2010-11-25 | High-power LED (light emitting diode) 360-DEG radiating device |
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| CN (1) | CN201858622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075670A (en) * | 2013-02-18 | 2013-05-01 | 天目照明有限公司 | LED (Light Emitting Diode) bulb lamp of novel heat dissipation structure |
| CN108954148A (en) * | 2018-06-07 | 2018-12-07 | 安徽三六五办公科技有限公司 | A kind of Landscape Lighting waterproof cooling lamp |
-
2010
- 2010-11-25 CN CN2010206233731U patent/CN201858622U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075670A (en) * | 2013-02-18 | 2013-05-01 | 天目照明有限公司 | LED (Light Emitting Diode) bulb lamp of novel heat dissipation structure |
| CN108954148A (en) * | 2018-06-07 | 2018-12-07 | 安徽三六五办公科技有限公司 | A kind of Landscape Lighting waterproof cooling lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20131125 |