CN102661514B - Light emitting diode (LED) lamp - Google Patents
Light emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN102661514B CN102661514B CN201210143135.4A CN201210143135A CN102661514B CN 102661514 B CN102661514 B CN 102661514B CN 201210143135 A CN201210143135 A CN 201210143135A CN 102661514 B CN102661514 B CN 102661514B
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- bucking ladder
- cylindrical case
- led lamp
- glare filter
- radiator
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Abstract
The invention discloses a light emitting diode (LED) lamp, which comprises a tubular shell, a radiator arranged inside the tubular shell, a trapezoid glare-proof cover and an LED module. The trapezoid glare-proof cover is clamped on the bottom surface of the tubular shell, the radiator is fixed above the trapezoid glare-proof cover, the LED module is fixed on the radiator and the luminous surface of the LED module faces the trapezoid glare-proof cover. The outer diameters of the radiator and the LED module are less than the inner diameter of the tubular shell. Holes are formed on the top of the tubular shell. Ventilation holes are formed on the side face of the trapezoid glare-proof cover. By the holes formed on the top of the tubular shell and the ventilation holes formed on the side face of the trapezoid glare-proof cover, as well as the radiator, the LED module and the tubular shell, an air channel is formed along the height direction of the LED lamp, so that the air channel not only effectively dissipates heat and prevents the glare of the LED lamp, but also guarantees the integral attractive appearance of the LED lamp.
Description
Technical field
The present invention relates to LED technology field, particularly relate to a kind of LED lamp.
Background technology
The LED lamp generally used on the market generally comprises cylindrical case, is located at the radiator of described cylindrical case inside, bucking ladder glare filter and LED module; Described bucking ladder glare filter is fixedly installed on the bottom surface of described cylindrical case, and described radiator is fixed on the top of bucking ladder glare filter, described LED module be fixed on the bottom of radiator and its light-emitting area towards described bucking ladder glare filter; The external diameter of described radiator and LED module is all less than the internal diameter of described cylindrical case.And also can be provided with bucking ladder reflector between LED module and bucking ladder glare filter in order to the uniformity coefficient of the brightness strengthening LED lamp.
And the radiating mode of the LED lamp of this spline structure is mainly divided into passive heat radiation and active heat removal.Wherein, passive heat radiation mainly adds some fresh air inlets on the side of cylindrical case, makes these fresh air inlets and radiator form thermal convection current thus works the effect of dispelling the heat; And active heat removal is exactly on the basis of passive heat radiation, also set up fan at the top of cylindrical case Inner heat sink, reinforcement fresh air inlet and radiator form thermal convection current, thus make better heat-radiation effect.But the fresh air inlet adopted due to passive heat radiation and active heat removal is opened on the side of cylindrical case, this will have impact on the moulded aesthetic measure of LED lamp.
Summary of the invention
Technical problem to be solved by this invention is to provide one and not only can dispels the heat, and does not affect the LED lamp of moulded aesthetic measure.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention content is specific as follows:
A kind of LED lamp, comprises cylindrical case, is located at the radiator of described cylindrical case inside, bucking ladder glare filter and LED module; Described bucking ladder glare filter is connected on the bottom surface of described cylindrical case, and described radiator is fixed on the top of bucking ladder glare filter, described LED module fixing on a heat sink and its light-emitting area towards described bucking ladder glare filter; The external diameter of described radiator and LED module is all less than the internal diameter of described cylindrical case; The end face of described cylindrical case is provided with perforate; The side of described bucking ladder glare filter is provided with air vent, all have gap between radiator and cylindrical case and between LED module and cylindrical case, the perforate at described gap and air vent and cylindrical case top defines an air channel along LED lamp short transverse.
It should be noted that, described cylindrical case can be cylinder-like shell (namely crossing the cylindrical case that radial section that the axis of cylindrical case intercepts is rounded) or square cylindrical case (cylindrical case that the radial section that the axis namely crossing cylindrical case intercepts is rectangular) or other cylindrical cases (radial section that the axis namely crossing cylindrical case intercepts is in the cylindrical case of any shape except circle and rectangle).
The present invention by arranging air vent on the side of bucking ladder glare filter, thus it is inner to make air from air vent, enter into the cylindrical case of LED lamp, and be all less than the internal diameter of described cylindrical case due to the external diameter of described radiator and LED module; So all have gap between radiator and cylindrical case and between LED module and cylindrical case, and the perforate at these gaps and air vent and cylindrical case top just defines an air channel along LED lamp short transverse.Therefore, the air entering into cylindrical case inside from air vent can by these Clearance Flow to the end face of cylindrical case, then it is outside that LED lamp is flowed out in the perforate on the end face through being arranged on cylindrical case, or, air enters into the inside of cylindrical case from perforate, by this duct flows to air vent, thus the heat produced when being worked by LED module is sent to LED lamp outside.Not only can dispel the heat to LED lamp, and be set directly at above bucking ladder glare filter due to its air vent of LED lamp of the present invention, instead of as traditional LED lamp, air vent is arranged on the side of cylindrical case, so just effectively ensure the aesthetic measure that LED lamp of the present invention is moulded.
In order to improve rate of heat dispation, preferably, described radiator comprises thermal column and multiple fin; Described multiple fin is arranged on the sidewall of thermal column radially; Described LED module is fixed on the bottom of described thermal column.Because fin is arranged on the sidewall of thermal column radially, so all have gap between adjacent fin, when the air that air vent enters into cylindrical case flows through these gaps toward the top flowing of cylindrical case, when just can quickly LED module be worked, the heat be dispersed on radiator is taken away.
In order to improve rate of heat dispation further, preferably, LED lamp of the present invention also comprises a fan; Described the number of openings is one, and described fan is fixed in described perforate.
It should be noted that, described fan can for having the fan of exhausting function, also can for having the fan of air blowing function.When fan is the fan with exhausting function, just accelerates air just from air vent to the flowing velocity of perforate, thus rapidly the heat that LED module work is distributed is dispersed into LED lamp outside from perforate; When fan is the fan with air blowing function time, just accelerate air from perforate to the flowing velocity of air vent, thus rapidly the heat that LED module work is distributed is dispersed into LED lamp outside from air vent.
The light luminance sent to make LED lamp is more even, and preferably, LED lamp of the present invention also comprises a bucking ladder reflector; Described bucking ladder reflector is connected in the top of described bucking ladder glare filter; Further, the bottom external diameter of described bucking ladder reflector is more than or equal to the top outer diameter of bucking ladder glare filter, but is less than the bottom external diameter of bucking ladder glare filter.
In order to the service behaviour preventing dust or water droplet from affecting LED module, preferably, LED lamp of the present invention also comprises a diaphotoscope; The external diameter of described diaphotoscope equals the bottom external diameter of bucking ladder reflector; Described diaphotoscope is clamped between described bucking ladder reflector and bucking ladder glare filter.
In order to easily radiator and bucking ladder glare filter are arranged in cylindrical case, preferably, the lower house that described cylindrical case comprises upper shell and matches with described upper shell; Described perforate is arranged on the end face of described upper shell; Described lower house is connected on the bottom surface of described upper shell; It is inner that described bucking ladder glare filter is positioned at described lower house, and be connected on the bottom surface of described lower house.
In order to bucking ladder glare filter is securely fixed in cylindrical case inside more, preferably, described upper shell also bucking ladder glare filter described in clamping.
Preferably, any one radial section that the axis crossing bucking ladder glare filter intercepts all rounded or rectangle or any shape except circle and rectangle.
Time any one radial section that the axis having served as bucking ladder glare filter intercepts is all rounded, in order to further improve rate of heat dispation, preferably, described air vent is annular air vent; On the axis being centrally located at bucking ladder glare filter of described annular air vent.
Preferably, the quantity of described annular air vent is 5.It should be noted that, the quantity of described annular air vent is not limited to 5, can also be 2 or 3 or 4 or 6 etc., its concrete quantity can adjust accordingly according to the power of the LED lamp of reality, when the power of LED lamp is larger, can selects to increase the quantity of annular air vent or keep the quantity of annular air vent constant and increase the annulus area of each annular air vent; When the power of LED lamp is less, can selects to reduce the quantity of annular air vent or keep the quantity of annular air vent constant and reduce the annulus area of each annular air vent.
Compared with prior art, present invention produces following beneficial effect:
LED lamp of the present invention is by arranging perforate at cylindrical case end face and arrange air vent on the side of glare filter, coordinate radiator, LED module and cylindrical case, thus form an air channel arranged along LED lamp short transverse, not only can effectively carry out dispelling the heat and anti-dazzle to LED lamp, but also ensured the aesthetic measure that LED lamp is moulded, meet the user demand of user.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the structural representation under LED lamp of the present invention is in disassembled form;
Fig. 2 is employing when having exhausting function fan, and LED lamp of the present invention is in the cut away view under assembled state;
Fig. 3 is employing when having air blowing function fan, and LED lamp of the present invention is in the cut away view under assembled state.
Wherein, 1, cylindrical case; 11, perforate; 12, upper shell; 13, lower house; 2, radiator; 21, fin; 3, bucking ladder glare filter; 31, air vent; 4, LED module; 5, fan; 6, bucking ladder reflector; 7, diaphotoscope.Further, what the arrow in figure represented is the direction that air flows.
detailed description of the invention
As shown in Figure 1 to Figure 3, LED lamp of the present invention, it mainly comprises cylindrical case 1, is located at the radiator 2 of described cylindrical case 1 inside, bucking ladder glare filter 3 and LED module 4; Described bucking ladder glare filter 3 is connected on the bottom surface of described cylindrical case 1, and described radiator 2 is fixed on the top of bucking ladder glare filter 3, described LED module 4 to be fixed on radiator 2 and its light-emitting area towards described bucking ladder glare filter 3; The external diameter of described radiator 2 and LED module 4 is all less than the internal diameter of described cylindrical case 1; The end face of described cylindrical case 1 is provided with perforate 11; The side of described bucking ladder glare filter 3 is provided with air vent 31.
It should be noted that, described cylindrical case 1 can be cylinder-like shell (namely crossing the cylindrical case that radial section that the axis of cylindrical case 1 intercepts is rounded) or square cylindrical case (cylindrical case that the radial section that the axis namely crossing cylindrical case 1 intercepts is rectangular) or other cylindrical cases (radial section that the axis namely crossing cylindrical case 1 intercepts is in the cylindrical case of any shape except circle and rectangle).
The present invention by arranging air vent 31 on the side of bucking ladder glare filter 3, thus it is inner to make air enter into the cylindrical case 1 of LED lamp from air vent 31, and be all less than the internal diameter of described cylindrical case 1 due to the external diameter of described radiator 2 and LED module 4; So all have gap between radiator 2 and cylindrical case 1 and between LED module 4 and cylindrical case 1, and the perforate 11 at these gaps and air vent 31 and cylindrical case 1 top just defines an air channel along LED lamp short transverse.Therefore, the air entering into cylindrical case 1 inside from air vent 31 can by these Clearance Flow to the end face of cylindrical case 1, then LED lamp outside is flowed out in the perforate 11 on the end face through being arranged on cylindrical case 1, or, air enters into the inside of cylindrical case 1 from perforate 11, by this duct flows to air vent 31, thus the heat produced when being worked by LED module 4 is sent to LED lamp outside.Not only can dispel the heat to LED lamp, and be set directly at above bucking ladder glare filter 3 due to its air vent 31 of LED lamp of the present invention, instead of as traditional LED lamp, air vent 31 is arranged on the side of cylindrical case 1, so just effectively ensure the aesthetic measure that LED lamp of the present invention is moulded.
In order to improve rate of heat dispation, described radiator 2 comprises thermal column (not shown) and multiple fin 21; Described multiple fin 21 is arranged on the sidewall of thermal column radially; Described LED module 4 is fixed on the bottom of described thermal column.Because fin 21 is arranged on the sidewall of thermal column radially, so all have gap between adjacent fin 21, when the air that air vent 31 enters into cylindrical case 1 flows through these gaps toward the top flowing of cylindrical case 1, when just can quickly LED module 4 be worked, the heat be dispersed on radiator 2 is taken away.
In order to improve rate of heat dispation further, LED lamp of the present invention also comprises a fan 5; Described perforate 11 quantity is one, and described fan 5 is fixed in described perforate 11.
It should be noted that, described fan 5 can for having the fan of exhausting function, also can for having the fan of air blowing function.When fan 5 is for having the fan of exhausting function, just accelerate air just from air vent 31 to the flowing velocity of perforate 11, thus the distributed heat that worked by LED module 4 is rapidly dispersed into LED lamp outside from perforate; When fan 5 is for having the fan of air blowing function time, just accelerating air from perforate 11 to the flowing velocity of air vent 31, thus rapidly the heat that LED module work is distributed being dispersed into LED lamp outside from air vent 31.
The light luminance sent to make LED lamp is more even, and LED lamp of the present invention also comprises a bucking ladder reflector 6; Described bucking ladder reflector 6 is connected in the top of described bucking ladder glare filter 3; Further, the bottom external diameter of described bucking ladder reflector 6 is more than or equal to the top outer diameter of bucking ladder glare filter 3, but is less than the bottom external diameter of bucking ladder glare filter 3.
In order to the service behaviour preventing dust or water droplet from affecting LED module, LED lamp of the present invention also comprises a diaphotoscope 7; The external diameter of described diaphotoscope 7 equals the bottom external diameter of bucking ladder reflector 6; Described diaphotoscope 7 is clamped between described bucking ladder reflector 6 and bucking ladder glare filter 3.
In order to easily radiator 2 and bucking ladder glare filter 3 are arranged in cylindrical case 1, the lower house 13 that described cylindrical case 1 comprises upper shell 12 and matches with described upper shell 12; Described perforate 11 is arranged on the end face of described upper shell 12; Described lower house 13 is connected on the bottom surface of described upper shell 12; It is inner that described bucking ladder glare filter 3 is positioned at described lower house 13, and be connected on the bottom surface of described lower house 13.
Inner in order to bucking ladder glare filter 3 being securely fixed in more cylindrical case 1, described upper shell 12 is bucking ladder glare filter 3 described in clamping also.
Further, any one radial section that the axis crossing bucking ladder glare filter 3 intercepts all rounded or rectangle or any shape except circle and rectangle.
Time any one radial section that the axis having served as bucking ladder glare filter 3 intercepts is all rounded, in order to further improve rate of heat dispation, described air vent 31 is annular air vent; On the axis being centrally located at bucking ladder glare filter 3 of described annular air vent.
Particularly, the quantity of described annular air vent is 5.It should be noted that, the quantity of described annular air vent is not limited to 5, can also be 2 or 3 or 4 or 6 etc., its concrete quantity can adjust accordingly according to the power of the LED lamp of reality, when the power of LED lamp is larger, can selects to increase the quantity of annular air vent or keep the quantity of annular air vent constant and increase the annulus area of each annular air vent; When the power of LED lamp is less, can selects to reduce the quantity of annular air vent or keep the quantity of annular air vent constant and reduce the annulus area of each annular air vent.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the claims in the present invention.
Claims (8)
1. a LED lamp, comprises cylindrical case, is located at the radiator of described cylindrical case inside, bucking ladder glare filter and LED module; Described bucking ladder glare filter is connected on the bottom surface of described cylindrical case, and described radiator is fixed on the top of bucking ladder glare filter, described LED module fixing on a heat sink and its light-emitting area towards described bucking ladder glare filter; The external diameter of described radiator and LED module is all less than the internal diameter of described cylindrical case; It is characterized in that: the end face of described cylindrical case is provided with perforate; The side of described bucking ladder glare filter is provided with air vent, all have gap between radiator and cylindrical case and between LED module and cylindrical case, the perforate at described gap and air vent and cylindrical case top defines an air channel along LED lamp short transverse; Also comprise a bucking ladder reflector; Described bucking ladder reflector is connected in the top of described bucking ladder glare filter; Further, the bottom external diameter of described bucking ladder reflector is more than or equal to the top outer diameter of bucking ladder glare filter, but is less than the bottom external diameter of bucking ladder glare filter; Also comprise a diaphotoscope; The external diameter of described diaphotoscope equals the bottom external diameter of bucking ladder reflector; Described diaphotoscope is clamped between described bucking ladder reflector and bucking ladder glare filter.
2. LED lamp as claimed in claim 1, is characterized in that: described radiator comprises thermal column and multiple fin; Described multiple fin is arranged on the sidewall of thermal column radially; Described LED module is fixed on the bottom of described thermal column.
3. LED lamp as claimed in claim 2, is characterized in that: also comprise a fan; Described the number of openings is one, and described fan is fixed in described perforate.
4., as the LED lamp of claim 1-3 as described in any one, it is characterized in that: the lower house that described cylindrical case comprises upper shell and matches with described upper shell; Described perforate is arranged on the end face of described upper shell; Described lower house is connected on the bottom surface of described upper shell; It is inner that described bucking ladder glare filter is positioned at described lower house, and be connected on the bottom surface of described lower house.
5. LED lamp as claimed in claim 4, is characterized in that: described upper shell is bucking ladder glare filter described in clamping also.
6. as the LED lamp of claim 1-3 as described in any one, it is characterized in that: any one radial section that the axis crossing bucking ladder glare filter intercepts is all rounded.
7. LED lamp as claimed in claim 6, is characterized in that: described air vent is annular air vent; On the axis being centrally located at bucking ladder glare filter of described annular air vent.
8. LED lamp as claimed in claim 7, is characterized in that: the quantity of described annular air vent is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210143135.4A CN102661514B (en) | 2012-05-09 | 2012-05-09 | Light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210143135.4A CN102661514B (en) | 2012-05-09 | 2012-05-09 | Light emitting diode (LED) lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102661514A CN102661514A (en) | 2012-09-12 |
| CN102661514B true CN102661514B (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210143135.4A Active CN102661514B (en) | 2012-05-09 | 2012-05-09 | Light emitting diode (LED) lamp |
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| CN (1) | CN102661514B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966890B (en) * | 2012-12-14 | 2015-01-21 | 上海亚明照明有限公司 | LED spotlight |
| CN103277713B (en) * | 2013-05-23 | 2016-05-11 | 重庆市光遥光电节能科技有限公司 | A kind of operation shadowless lamp |
| CN104696926B (en) * | 2013-12-05 | 2019-01-29 | 深圳市海洋王照明工程有限公司 | A kind of reflector radiator structure and lamps and lanterns |
| CN103925553B (en) * | 2014-03-26 | 2015-11-04 | 北京莱斯达电子科技有限公司 | A kind of LED spotlight |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548010Y (en) * | 2002-05-22 | 2003-04-30 | 如皋市亚星照明电器有限公司 | Anti-dazzle lamp for platform |
| CN201081204Y (en) * | 2007-07-06 | 2008-07-02 | 王鑫炜 | LED lamp with high heat radiation performance |
| CN101358724A (en) * | 2008-09-10 | 2009-02-04 | 和谐光电科技（泉州）有限公司 | LED bulb with air purification function |
| CN102042498A (en) * | 2009-10-22 | 2011-05-04 | 建准电机工业股份有限公司 | Lamp |
| CN202629681U (en) * | 2012-05-09 | 2012-12-26 | 广东三雄极光照明股份有限公司 | Light-emitting diode (LED) lamp |
-
2012
- 2012-05-09 CN CN201210143135.4A patent/CN102661514B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548010Y (en) * | 2002-05-22 | 2003-04-30 | 如皋市亚星照明电器有限公司 | Anti-dazzle lamp for platform |
| CN201081204Y (en) * | 2007-07-06 | 2008-07-02 | 王鑫炜 | LED lamp with high heat radiation performance |
| CN101358724A (en) * | 2008-09-10 | 2009-02-04 | 和谐光电科技（泉州）有限公司 | LED bulb with air purification function |
| CN102042498A (en) * | 2009-10-22 | 2011-05-04 | 建准电机工业股份有限公司 | Lamp |
| CN202629681U (en) * | 2012-05-09 | 2012-12-26 | 广东三雄极光照明股份有限公司 | Light-emitting diode (LED) lamp |
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| CN102661514A (en) | 2012-09-12 |
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