CN101592328A - LED lamp with heat dissipation structure - Google Patents
LED lamp with heat dissipation structure Download PDFInfo
- Publication number
- CN101592328A CN101592328A CNA2009101402805A CN200910140280A CN101592328A CN 101592328 A CN101592328 A CN 101592328A CN A2009101402805 A CNA2009101402805 A CN A2009101402805A CN 200910140280 A CN200910140280 A CN 200910140280A CN 101592328 A CN101592328 A CN 101592328A
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- emitting diode
- light emitting
- radiator
- fan
- led lamp
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Abstract
An LED lamp with a heat dissipation structure comprises: the heat dissipation body is columnar, and at least one air flow channel which penetrates through the heat dissipation body along the axial direction is formed in the heat dissipation body; a fan, which is arranged on the top of the heat radiation body and the top of the air flow passage; at least one light emitting diode attached to the surface of the heat sink; and the controller is electrically connected with the fan and the light-emitting diode, and is used for controlling the fan to operate so as to enable the air flow to be upward and controlling the light-emitting diode to emit light. The invention has better natural convection heat dissipation effect, and still has the heat dissipation function even when the outside transfers heat to the LED lamp.
Description
[technical field]
The present invention relates to a kind of led lamp with radiator structure.
[background technology]
In the field of solid-state illumination (Solid State Lighting), advantage such as light emitting diode (LED) has that volume is little, life-span length, no mercury pollution, power consumption are few.Along with the luminous power of light emitting diode improves constantly, the made lighting of existing on the market utilization light emitting diode, expectation replaces traditional tengsten lamp, Halogen lamp LED and fluorescent lamp and then carbon reduction.Because the photoelectric transformation efficiency of light emitting diode is limited, High Power LED is when action, the electricity of input will change into heat in a large number, and a large amount of heat will badly influence the light emitting diode photoelectric characteristic and light emitting diode is caused pyrolytic damage if can't derive quickly and effectively.
For this reason, existing invention is arranged on a heat sink bottom surface with light emitting diode, end face or side at this heat sink then are provided with several dissipation fins, allow light emitting diode can conduct to radiating fin via this heat sink, the torrid zone walk is produced the effect of heat radiation by the air radiating fin of flowing through again because of the luminous heat that produces.Yet because the radiating mode that foregoing invention system utilization air flows between fin, air flow resistance is big between the fin, and the radiating effect that is produced is also unsatisfactory; And absorb simultaneously at radiating fin and can allow the forfeiture of its radiating effect under the situation of heat, even the hot type that light emitting diode produced can't be removed or the light emitting diode that heat conduction extremely need be dispelled the heat, often take place on the led lamp that this situation is provided with especially out of doors.
[summary of the invention]
At the problems referred to above, main purpose of the present invention is to provide a kind of led lamp with radiator structure, and it has the radiating effect of preferable free convection.
Secondary objective of the present invention is to provide a kind of led lamp with radiator structure, when it conducts heat to led lamp in the external world, still possesses heat sinking function.
In order to realize aforementioned purpose, the led lamp of a kind of tool radiator structure provided by the invention includes: a radiator, be column, and this radiator inside has at least one air flow channel (passage) that runs through vertically; One fan, be arranged at the top of this radiator and this air flow channel: at least one light emitting diode is sticked on this radiator surface; And a controller, electrically connect with this fan and this light emitting diode, control this fan running and make air-flow upwards and control this lumination of light emitting diode.
Led lamp of the present invention has the radiating effect of preferable free convection, and when conducting heat to led lamp in the external world, still possesses heat sinking function.
The said controller of the present invention can be to have a temperature detector and a control circuit, and this temperature detector is used to measure the temperature of this radiator; This control circuit electrically connects with this fan, this temperature detector and this light emitting diode, in order to the information that receives this temperature detector, control this fan running and make air-flow upwards, and controls this lumination of light emitting diode.
This controller can be a delay circuit, and this delay circuit and this fan and this light emitting diode electrically connect, and in order to light at this light emitting diode in one of the back scheduled time slot, allows this fan running make air-flow upwards and control this lumination of light emitting diode.
The present invention can also comprise a constant-current device, electrically connects in order to stabling current to be provided with this control circuit or with this delay circuit.
The present invention also comprises a lamp socket, and its bottom surface is fixed on this fan, and it has a plural louvre and a heat radiation runner, and these louvres are formed at this lamp socket end face, and this heat radiation runner is communicated with said these louvres.
The present invention can also comprise a lampshade, and it has the pore that plural number runs through this lampshade, and this lampshade cover this light emitting diode and is fixedly arranged on this lamp socket.
Light emitting diode of the present invention can be plural number, and said plural light-emitting diodes piping axially is sticked on this radiator surface along this radiator.
[description of drawings]
Fig. 1 is the stereogram of the embodiment of the invention 1.
Fig. 2 is the cutaway view of the embodiment of the invention 1.
Fig. 3 is the system block diagrams of the embodiment of the invention 1, and display controller has temperature detector and control circuit.
Fig. 4 is the system block diagrams of the embodiment of the invention 1, and display controller is a delay circuit.
Fig. 5 is the action diagram of the embodiment of the invention 1, and the demonstration air is flowed through air flow channel and this radiator heat is discharged outside to.
Fig. 6 is the action diagram of the embodiment of the invention 1, shows that this fan running produces the situation that the enhancing air-flow upwards flows, and strengthens the radiating effect of this radiator.
Fig. 7 is the cutaway view of the embodiment of the invention 2.
Fig. 8 is the action diagram of the embodiment of the invention 2, shows that its difference from Example 1 is that hot-air system escapes into the external world through this heat radiation runner from louvre.
Each primary clustering symbol description is as follows:
The led lamp of 10 tool radiator structures
11 radiators, 111 air flow channels
12 fans, 13 light emitting diodes (LED)
14 controllers, 141 temperature detectors
142 control circuits, 143 delay circuits
16 constant-current devices
20 have the led lamp of radiator structure
21 lamp sockets, 211 louvres
212 heat radiation runners, 22 lampshades
221 pores
[specific embodiment]
In order to describe structure of the present invention and characteristics place in detail, as follows for following two embodiment now:
[embodiment 1]
See also Fig. 1 to shown in Figure 4, light emitting diode (LED) light fixture 10 of the tool radiator structure of embodiment 1 provided by the present invention consists predominantly of: a radiator 11, a fan 12, plural light emitting diode 13 and a controller 14.
This radiator 11 is cylindricality, and inside has the plural air flow channel 111 that runs through vertically.This fan 12 is arranged on the top of this radiator 11 and these air flow channels (passage) 111, and its running makes air-flow upwards flow.A plurality of light emitting diodes 13 are along axially being sticked on this radiator 11 surfaces of this radiator 11.This controller 14 electrically connects with this fan 12 and light emitting diode 13, controls these fan 12 runnings and makes air-flow upwards and to control these light emitting diodes 13 luminous.
In the present embodiment, this controller 14 has a temperature detector 141 and a control circuit 142, this temperature detector 141 is measured the temperature of this radiator 11, this control circuit 142, electrically connect with this fan 12, this temperature detector 141 and said these light emitting diodes 13, in order to accept the information of this temperature detector 141, when temperature exceeds a predetermined temperature, control this fan 12 and rotate and make air-flow upwards and to control these light emitting diodes 13 luminous.
In addition, as shown in Figure 4, this controller 14 also can be a delay circuit 143, this delay circuit 143 electrically connects with this fan 12 and these light emitting diodes 13, behind the scheduled time slot after lighting at these light emitting diodes 13, for example: five minutes, ten minutes etc., allow this fan 12 turn round, and it is luminous to control these light emitting diodes 13.
Please consult Fig. 3 and Fig. 4 again, the led lamp 10 of this tool radiator structure also can be set up a constant-current device 16, with this control circuit 142 or this delay circuit 143 both one of electrically connect, in order to stabling current to be provided, and then prolong the service life of assembly.
Next the function mode of embodiment 1 is described.
See also shown in Figure 5, under led lamp 10 user modes of the tool radiator structure of embodiment 1, by this control circuit 142 or this delay circuit 143 both one of allow electric current and said light emitting diode 13 electrical communication from this constant-current device 16, and make that these light emitting diodes 13 are luminous.Because light emitting diode 13 also can produce heat when producing light, and heat conducts to this radiator 11.This radiator 11 has these air flow channels 111, upwards flow because being subjected to the factor of these radiator 11 conduction heat so be arranged in the air of these air flow channels 111, simultaneously, the air of these air flow channel 111 belows also forms free convection and allows hot-air escape into the external world thereupon filling, and makes the radiating effect that this radiator 11 produces light emitting diode 13.Because the more existing fin type radiator structure of flow resistance in these air flow channels 111 is low, these air flow channels 111 so this air is flowed through and mode that these radiator 11 heat are discharged outside to, the effect of the more existing fin type radiator structure of radiating effect is good.
See also shown in Figure 6ly, these light emitting diodes 13 continue luminous and transmit the situation that heat to this radiator 11 or this radiator 11 is subjected to extraneous heating, can make that these radiator 11 temperature continue to raise.At this kind situation, embodiment 1 has two kinds of action kenels in response to processing:
First kind: the temperature of this this radiator 11 of temperature detector 141 test constantlies and transmission temperature information are to this control circuit 142.When the temperature of this radiator 11 is higher than a predetermined temperature, this control circuit 142 will make this constant-current device 16 and these fan 12 electrical communication, allow these fan 12 runnings produce and strengthen the situation that air-flow upwards flows, and strengthen the radiating effect of this radiator 11.This control circuit 142 can continue to keep this constant-current device 16 and these fan 12 electrical communication, closes the electrical communication of this constant-current device 16 and light emitting diode 13 up to this control circuit 142.
Second kind: this delay circuit 143 picks up counting in this constant-current device 16 of electrical communication and LED light lamp 13, behind this scheduled time slot, promptly start this fan 12 runnings, strengthen the radiating effect of this radiator 11, close the electrical communication of this constant-current device 16 and light emitting diode 13 up to this delay circuit 143.
By above-mentioned two kinds of action kenels, this radiator 11 continues heat absorption and the situation of temperature rising, can strengthen mobile that air makes progress by the continuous running of this fan 12, and then strengthen the effect of this radiator 11 heat radiations, compare with existing fin type radiator structure, when conducting heat to light emitting diode 13 light fixtures, still can keep preferable radiating effect in the external world.
[embodiment 2]
Seeing also shown in Figure 7ly, is the led lamp with radiator structure 20 of the embodiment of the invention 2, they are different with embodiment 1 be in:
One lamp socket 21, its bottom surface are fixed on this fan 12, and it has a plural louvre 211 and a heat radiation runner (passage) 212, and these louvres 211 are formed at these lamp socket 21 end faces in order to discharge hot gas, and this heat radiation runner 212 is to be communicated with these louvres 211.
One lampshade 22, have a plurality of pores 221 that run through this lampshade, this lampshade cover said light emitting diode 13 and is fixedly arranged on this lamp socket 21, in order to prevent that foreign matter bump light emitting diode 13 and the light that allows these light emitting diodes 13 be sent from producing the visual effect of diffusion, these pores 221 are in order to allow air therefrom flow into this lampshade 22.
The function mode of embodiment 2, see also shown in Figure 8, at the led lamp 20 of the tool radiator structure of embodiment 2 under user mode, itself and this embodiment 1 difference is that air system enters this lampshade 22 through air passing hole 221 earlier, then air forms hot-air through the heat transfer that air flow channel 111 is subjected to this radiator 11, escape into the external world through this fan 12 and this heat radiation runner 212 from these louvres 211 again, and the radiating effect that allows this radiator 11 produce light emitting diode 13.
By above narration, the beneficial effect that reaches of the present invention is as can be known:
(1) by air stream through air flow channel 111, and have better radiating effect.
(2) because rotating, this fan 12 make air-flow upwards strengthen the radiating effect of this radiator 11, so When the external world conducts heat to led lamp, still possess better heat sinking function.
Claims (8)
1, a kind of led lamp of tool radiator structure is characterized in that it includes: a radiator, be column, and this radiator inside has at least one air flow channel that runs through vertically; One fan is arranged at the top of this radiator and this air flow channel; At least one light emitting diode is sticked on this radiator surface; And a controller, electrically connect with this fan and this light emitting diode, be used to control this fan running and make air-flow upwards and control this lumination of light emitting diode.
2, the led lamp of tool radiator structure according to claim 1 is characterized in that: this controller has a temperature detector and a control circuit, and this temperature detector is used to measure the temperature of this radiator; This control circuit electrically connects with this fan, this temperature detector and this light emitting diode, in order to the information that receives this temperature detector, control this fan running and make air-flow upwards, and controls this lumination of light emitting diode.
3, the led lamp of tool radiator structure according to claim 1, it is characterized in that: this controller is a delay circuit, this delay circuit and this fan and this light emitting diode electrically connect, in order to light one of back at this light emitting diode in the scheduled time slot, allow this fan running make air-flow upwards and control this lumination of light emitting diode.
4, the led lamp of tool radiator structure according to claim 1 and 2 is characterized in that: also comprise a constant-current device, electrically connect in order to stabling current to be provided with this control circuit.
5, according to the led lamp of claim 1 or 3 described tool radiator structures, it is characterized in that: also comprise a constant-current device, electrically connect in order to stabling current to be provided with this delay circuit.
6, the led lamp of tool radiator structure according to claim 1 is characterized in that: this light emitting diode is plural number, and said plural light-emitting diodes piping axially is sticked on this radiator surface along this radiator.
7, the led lamp of tool radiator structure according to claim 1, it is characterized in that: also comprise a lamp socket, its bottom surface is fixed on this fan, it has a plural louvre and a heat radiation runner, these louvres are formed at this lamp socket end face, and this heat radiation runner is communicated with said these louvres.
8, the led lamp of tool radiator structure according to claim 7 is characterized in that: also comprise a lampshade, it has the pore that plural number runs through this lampshade, and this lampshade cover this light emitting diode and is fixedly arranged on this lamp socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101402805A CN101592328A (en) | 2009-07-07 | 2009-07-07 | LED lamp with heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101402805A CN101592328A (en) | 2009-07-07 | 2009-07-07 | LED lamp with heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101592328A true CN101592328A (en) | 2009-12-02 |
Family
ID=41407123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101402805A Pending CN101592328A (en) | 2009-07-07 | 2009-07-07 | LED lamp with heat dissipation structure |
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| CN101871608A (en) * | 2010-07-20 | 2010-10-27 | 上海交通大学 | High Power LED Tunnel Light with Combined Radiation Type Flat Radiator |
| WO2012095019A1 (en) * | 2011-01-14 | 2012-07-19 | 查克森科技有限公司 | Illumination apparatus |
| CN102853303A (en) * | 2012-09-25 | 2013-01-02 | 黎昌兴 | Light-emitting diode (LED) light source with good heat dispersion performance |
| US8616842B2 (en) | 2009-03-30 | 2013-12-31 | Airius Ip Holdings, Llc | Columnar air moving devices, systems and method |
| USD698916S1 (en) | 2012-05-15 | 2014-02-04 | Airius Ip Holdings, Llc | Air moving device |
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| CN105003859A (en) * | 2015-06-29 | 2015-10-28 | 候钧伦 | Desk lamp with air temperature regulation function |
| US9335061B2 (en) | 2008-05-30 | 2016-05-10 | Airius Ip Holdings, Llc | Columnar air moving devices, systems and methods |
| US9459020B2 (en) | 2008-05-30 | 2016-10-04 | Airius Ip Holdings, Llc | Columnar air moving devices, systems and methods |
| CN106322224A (en) * | 2016-11-07 | 2017-01-11 | 周志恒 | Self-cooling intelligent LED (light-emitting diode) lamp |
| CN106402718A (en) * | 2016-11-07 | 2017-02-15 | 周志恒 | Light sensitive intelligent LED lamp |
| US9631627B2 (en) | 2004-03-15 | 2017-04-25 | Airius Ip Holdings, Llc | Columnar air moving devices, systems and methods |
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| CN102853303A (en) * | 2012-09-25 | 2013-01-02 | 黎昌兴 | Light-emitting diode (LED) light source with good heat dispersion performance |
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Open date: 20091202 |