CN202580818U - LED (Light-Emitting Diode) lamp - Google Patents
LED (Light-Emitting Diode) lamp Download PDFInfo
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- CN202580818U CN202580818U CN2012202057335U CN201220205733U CN202580818U CN 202580818 U CN202580818 U CN 202580818U CN 2012202057335 U CN2012202057335 U CN 2012202057335U CN 201220205733 U CN201220205733 U CN 201220205733U CN 202580818 U CN202580818 U CN 202580818U
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- radiating
- fin
- light fixture
- led light
- radiating fin
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Abstract
The utility model discloses an LED (Light-Emitting Diode) lamp, comprising a light source, and a radiator and a power supply which are connected with the light source respectively, wherein the power supply is fixedly arranged in a housing; the radiator comprises a radiating block, radiating fins fixedly arranged on the surface of the radiating block, and a driver connected with the radiating block and driving the radiating block to rotate; and the driver is connected with the power supply. By means of active radiating through the rotation of the radiating fins, the LED (Light-Emitting Diode) lamp disclosed by the utility model has an obvious radiating effect; the radiating fins have an excellent self-cleaning function, so dust is hard to be accumulated, and the maintenance period of the radiating fins is long; and the light source has a good lighting effect.
Description
Technical field
The utility model relates to a kind of light fixture, relates in particular to the light fixture that a kind of LED is a main light source.
Background technology
The LED lamp relies on the high and low power consumption of luminous efficiency, does not need advantages such as high pressure, security height; Be applied in various lighting fields widely; But when being some big area illuminations, such as headlight, street lamp, Tunnel Lamp, plaza lighting, attend factory's illumination, garden lamp etc.But at present the electro-optical efficiency of LED lamp is not high, has only 15% ~ 25% electric energy to convert luminous energy in the course of the work, and remaining electric energy nearly all changes into heat energy, and temperature is higher when making the work of LED lamp.The life-span of led light source and the operating temperature of node have closer getting in touch, and 10 ℃ of its life-spans of the every increase of temperature will reduce half the.
And needing the occasion of high-powered LED lamp, and heat radiation is a big problem, if the bad meeting of dispelling the heat directly causes the LED quick aging, stability reduces, bad can the generation life-span that serious light decay influences lamp of dispelling the heat simultaneously.The radiating mode that often uses at present comprises passive heat radiation and active heat removal.The former increases fin on the LED lamp, the heat that the LED lamp is produced is distributed in the air through the mode of fin with convection current, and this mode needs the bigger fin of installation volume, and radiating efficiency is low, is not suitable for high-power illumination, but is easy to make the sealing lamp body; The latter is installed fan additional on the basis of the former fin, force the promotion air to flow and improve radiating efficiency, is applicable to high-power illumination; But it is not easy to sealing; As be used for outdoor then fragilely, and and the latter has a fatal shortcoming, promptly the slit between the fin is prone to stopped up and cause heat radiation not smooth by dust; As clear up untimelyly, therefore may burn light fixture.
Publication No. is that the patent of CN102364226 discloses a kind of LED lamp that rotates heat sinking function that has; Comprise lamp body; Led light source, said led light source are installed on the said lamp body panel, also comprise heat-radiating substrate and rotation LGP; Be provided with the heat-radiating substrate that dispels the heat with fourth in the bottom of lamp body panel, be connected with the rotation LGP that can rotate on the lamp body faceplate part top in the led light source outside.This light fixture good heat dissipation effect, long service life.But this light fixture still fails to solve the defective that is easy to accumulate dust.
The utility model content
The utility model provides a kind of good heat dissipation effect, and has the LED light fixture of automatically cleaning effect for solving the prior art problem.
The technical scheme of the utility model is: a kind of LED light fixture; Comprise light source, the heat abstractor and the power supply that are connected with this light source respectively, said power supply is fixedly set in the housing; Said heat abstractor comprises radiating block; Be fixedly set in the radiating fin of this heat dissipation block surface, and be connected with this radiating block and drive the drive unit that this radiating block rotates, said drive unit is connected with said power supply.
The LED light fixture of the utility model adopts the active heat removal mode, and different with traditional active heat removal LED light fixture, the utility model does not install fan additional, rotates but drive fin itself; Fin is the disturbance ambient air in rotation process, impels air to flow in fin surface, takes away the heat of fin surface, and radiating effect is remarkable.In the traditional fan radiator structure; Fan is carried air to fin surface, and foreign material such as air and dust in air are quickened by fan, is transferred simultaneously to fin; When air is carrying dust and other impurities arrival fin; Swiftly flowing air and fin surface friction, the flowing velocity of air sharply descends, and makes the carrying capacity of air descend significantly; Foreign material such as dust in air are very easily piled up in fin surface under the gravity effect; And the foreign material that fin surface is piled up have increased the frictional force that receives when air is flowed through fin, further impel the air reduction of speed, and the dust and other impurities of piling up at fin simultaneously can reduce the heat exchanger effectiveness between flow air and the fin.In the utility model, the fin of rotation promotes air, makes the relative fin of air flow; And carry out heat exchange with fin; Take away the heat of fin, so fin surface is difficult for accumulating dust, and the fin itself that rotates is in the motion; Even slightly dust is also very easily fallen by shake, objectively reduced the possibility of dirt accumulation; Relative motion between fin surface and the air and traditional fan structure similar, so radiating effect is not less than the traditional fan structure, and effect is more stable.
As preferably, said radiating block is cylindrical; Said radiating fin is provided with multi-disc, and evenly distributes along the circumference of said radiating block cross section; Form radiating groove between the adjacent radiating fin.
As preferably, said radiating fin is obliquely installed, and before the lower end edge rotation direction of this radiating fin in the upper end of this radiating fin.The density of hot-air is less than cold air, and hot-air can rise, and the fin that rotates promotion air upwards flows, and can quicken the speed that hot-air rises, and makes that the speed of related movement between air and the fin is faster, has improved heat exchanger effectiveness.
As preferably, said radiating fin is tabular, and the angle between the surface of this radiating fin and the said radiating block cross section is 55 ~ 75 degree.
As preferably, said radiating fin is the bent plate shape, and the angle between the tangent plane on this radiating fin surface bottom and the said radiating block cross section is 55 ~ 75 degree.
The radiating fin of this shape and the setting angle of this radiating fin; Can make radiator does not increase increases radiating fin on the radiator on the basis of volume surface area; The while radiator can promote air again effectively and flow in rotation process; The flow velocity that keeps air, and the quality of the radiating effect of radiator directly depends on the surface area size of radiating fin on the radiator and the relative velocity between radiating fin and the air.
As preferably, said drive unit is a drive motors.
As preferably, said drive motors comprises stator and rotor; Said stator is fixedly connected with said power supply, and said rotor is fixedly set in the said radiating block.
As preferably, said stator is a solenoid, and said rotor is a permanent magnet.
The drive unit volume of this kind structure is little, easy for installation, and reliability is high, and is with low cost.
As preferably, said drive unit comprises the controller of controlling said drive motors rotating speed, and said radiating block is provided with the temp probe that is connected with said controller.When the radiating block temperature was higher, controller improved the rotating speed of drive motors, quickened the relative velocity between air and the radiating fin, improved radiating efficiency; When the radiating block temperature was low, controller reduced the rotating speed of drive motors, saves energy.
As preferably, said light source is provided with reflection shield.Reflection shield has two effects: the light that 1, optically focused effect, focused light source are sent, the utilization rate of raising light; Have density variation between the air of 2, barrier effect, air zones of different in flow process, and light is propagated in air; When running into the different air of density, can produce refraction effect, when light source is accompanied by radiator and rotates together; This refraction effect can produce the shade that rocks, and has a strong impact on the illuminating effect of light fixture, and is relatively independent like light source; Do not follow radiator to rotate together, then must have assemblage gap between light source and the radiator, have a strong impact on radiating effect; Reflection shield can be barred from the outside with flow air, and reflection shield is inner to form a cavity, and air is comparatively stable in the cavity, and density is even, make light that light source sends can be evenly, stably penetrate, guaranteed the illuminating effect of light fixture.
In sum, the utlity model has following advantage:
1, the active heat removal mode that adopts radiating fin to rotate, radiating effect is remarkable;
2, radiating fin has more outstanding self-cleaning function, is difficult for accumulating dust, and maintenance period is long;
3, the good illumination effect of light source.
Description of drawings
Fig. 1 is the utility model embodiment one decomposition texture sketch map;
Fig. 2 is the utility model embodiment one work structuring sketch map;
Fig. 3 is the utility model embodiment four radiating blocks and heat radiation fin structure sketch map.
Among the figure, 1, light source, 2, heat abstractor, 21, radiating block, 22, radiating fin, 23, radiating groove, 3, drive unit, 31, stator, 32, rotor, 4, power supply, 5, housing, 6, reflection shield.
The specific embodiment
With embodiment the utility model is described further below.
Embodiment one:
A kind of LED light fixture; As shown in Figure 1, comprise light source 1, the heat abstractor 2 and the power supply 4 that are connected with this light source 1 respectively; Power supply 4 is fixedly set in the housing 5; Heat abstractor 2 comprises columniform radiating block 21, is fixedly set in the multi-disc radiating fin 22 on this radiating block 21 surfaces, and is connected respectively with power supply 4 with this radiating block 21 and drives the drive unit 3 of these radiating block 21 rotations.The light-emitting area of light source 1 is provided with reflection shield 6; Radiating fin 22 evenly distributes along the circumference of radiating block 21 cross sections, is radiating groove 23 between the adjacent radiating fin 22, and radiating fin 22 is obliquely installed, and in rotation process, promote air along radiating groove 23 to above flow.
Radiating fin 22 is the bent plate shape, and the angle between the tangent plane on this radiating fin 22 surface bottom and radiating block 21 cross sections is 55 degree.
During installation, housing 5 is fixing, and power supply 4 is connected civil power, and light source 1 is lighted, and begins luminous; Controller is started working.When initial, the heat that light source 1 produces is few, and temperature is not high, and drive motors does not rotate, and heat abstractor 2 relies on passive heat radiation work; The temperature of surveying radiating block 21 when temp probe begins to raise, and is when passive heat radiation can't be satisfied, as shown in Figure 2; Drive motor drives heat abstractor 2 rotates along arrow direction among Fig. 2; Drive light source 1 simultaneously and rotate synchronously with reflection shield 6, when radiating block 21 temperature were higher, controller improved the rotating speed of drive motors; Quicken the relative velocity between air and the radiating fin 22, improve radiating efficiency; When radiating block 21 temperature reduced, controller reduced the rotating speed of drive motors, saves energy.
Embodiment two:
Be that with the difference of embodiment one angle between the tangent plane on radiating fin 22 surface bottom and radiating block 21 cross sections is 75 degree.
Embodiment three:
Be that with the difference of embodiment one angle between the tangent plane on radiating fin 22 surface bottom and radiating block 21 cross sections is 60 degree.
Embodiment four:
Be that with the difference of embodiment one as shown in Figure 3, radiating fin 22 is tabular, and the angle between the surface of this radiating fin 22 and radiating block 21 cross sections is 55 degree.
Embodiment five:
Be that with the difference of embodiment four angle between the surface of radiating fin 22 and radiating block 21 cross sections is 75 degree.
Embodiment six:
Be that with the difference of embodiment four angle between the surface of radiating fin 22 and radiating block 21 cross sections is 60 degree.
Claims (10)
1. LED light fixture; Comprise light source (1); Heat abstractor (2) that is connected with this light source (1) respectively and power supply (4); Said power supply (4) is fixedly set in the housing (5), it is characterized in that: said heat abstractor (2) comprises radiating block (21), is fixedly set in the radiating fin (22) on this radiating block (21) surface; And be connected with this radiating block (21) and drive the drive unit (3) that this radiating block (21) rotates, said drive unit (3) is connected with said power supply (4).
2. according to the said LED light fixture of claim 1, it is characterized in that: said radiating block (21) is cylindrical; Said radiating fin (22) is provided with multi-disc, and evenly distributes along the circumference of said radiating block (21) cross section; Form radiating groove (23) between the adjacent radiating fin (22).
3. according to the said LED light fixture of claim 2, it is characterized in that: said radiating fin (22) is obliquely installed, and the lower end edge rotation direction of this radiating fin (22) is preceding in the upper end of this radiating fin (22).
4. according to the said LED light fixture of claim 3, it is characterized in that: said radiating fin (22) is tabular, and the angle between surface of this radiating fin (22) and said radiating block (21) cross section is 55 ~ 75 degree.
5. according to the said LED light fixture of claim 3, it is characterized in that: said radiating fin (22) is the bent plate shape, and the angle between the tangent plane on this radiating fin (22) surface bottom and said radiating block (21) cross section is 55 ~ 75 degree.
6. according to the said LED light fixture of claim 2, it is characterized in that: said drive unit (3) is a drive motors.
7. according to the said LED light fixture of claim 6, it is characterized in that: said drive motors comprises stator (31) and rotor (32); Said stator (31) is fixedly connected with said power supply (4), and said rotor (32) is fixedly set in the said radiating block (21).
8. according to the said LED light fixture of claim 7, it is characterized in that: said stator (31) is a solenoid, and said rotor (32) is a permanent magnet.
9. said according to Claim 8 LED light fixture is characterized in that: said drive unit (3) comprises the controller of controlling said drive motors rotating speed, and said radiating block (21) is provided with the temp probe that is connected with said controller.
10. according to any said LED light fixture of claim 1 ~ 9, it is characterized in that: said light source (1) is provided with reflection shield (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202057335U CN202580818U (en) | 2012-05-09 | 2012-05-09 | LED (Light-Emitting Diode) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202057335U CN202580818U (en) | 2012-05-09 | 2012-05-09 | LED (Light-Emitting Diode) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202580818U true CN202580818U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202057335U Expired - Fee Related CN202580818U (en) | 2012-05-09 | 2012-05-09 | LED (Light-Emitting Diode) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202580818U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661513A (en) * | 2012-05-09 | 2012-09-12 | 浙江海振电子科技有限公司 | LED (light-emitting diode) lamp |
| CN108468972A (en) * | 2018-03-28 | 2018-08-31 | 中山市剑鸿电子科技有限公司 | A kind of LED light of easy disassembly radiator |
| CN108488770A (en) * | 2018-03-28 | 2018-09-04 | 中山市通发自动化设备有限公司 | L ED radiator with adjustable size |
| CN108488767A (en) * | 2018-03-28 | 2018-09-04 | 广东知识城运营服务有限公司 | A kind of LED radiator |
| CN108488769A (en) * | 2018-03-28 | 2018-09-04 | 陈秋菊 | High-efficiency radiator |
| CN108561857A (en) * | 2018-03-28 | 2018-09-21 | 广东萨菲洛热能设备有限公司 | A kind of LED radiator that can promptly radiate |
-
2012
- 2012-05-09 CN CN2012202057335U patent/CN202580818U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661513A (en) * | 2012-05-09 | 2012-09-12 | 浙江海振电子科技有限公司 | LED (light-emitting diode) lamp |
| CN108468972A (en) * | 2018-03-28 | 2018-08-31 | 中山市剑鸿电子科技有限公司 | A kind of LED light of easy disassembly radiator |
| CN108488770A (en) * | 2018-03-28 | 2018-09-04 | 中山市通发自动化设备有限公司 | L ED radiator with adjustable size |
| CN108488767A (en) * | 2018-03-28 | 2018-09-04 | 广东知识城运营服务有限公司 | A kind of LED radiator |
| CN108488769A (en) * | 2018-03-28 | 2018-09-04 | 陈秋菊 | High-efficiency radiator |
| CN108561857A (en) * | 2018-03-28 | 2018-09-21 | 广东萨菲洛热能设备有限公司 | A kind of LED radiator that can promptly radiate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJING WANMA HIZHEN OPTOELECTRONICS TECHNOLOGY CO Free format text: FORMER NAME: ZHEJIANG HIZHEN ELECTRONICS TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Eight in the 313000 Zhejiang city of Huzhou Province Town Industrial Park Zhejiang Wanma sea vibration Photoelectric Technology Co. Ltd. Patentee after: ZHEJING WANMA HIZHEN OPTOELECTRONICS TECHNOLOGY CO., LTD. Address before: 313000, Wuxing Industrial Park, Huzhou, Zhejiang province (Zhang Jiadai), No. 21 East persimmon Road Patentee before: Zhejiang Haizhen Electronic Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |