CN104089264A - Lamp tube heat radiator for LED lamp - Google Patents
Lamp tube heat radiator for LED lamp Download PDFInfo
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- CN104089264A CN104089264A CN201410360995.2A CN201410360995A CN104089264A CN 104089264 A CN104089264 A CN 104089264A CN 201410360995 A CN201410360995 A CN 201410360995A CN 104089264 A CN104089264 A CN 104089264A
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- led lamp
- heat
- heat radiator
- support portion
- heat sink
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Abstract
The invention relates to a lamp tube heat radiator for an LED lamp. The lamp tube heat radiator comprises a tube body and two fans. The tube body is provided with a support part, an installation part and a plurality of heat dissipation strips. The installation part is arranged on one side of the support part and is used for fixing and installing an external LED lamp. The heat dissipation strips are arranged on the other side of the support part respectively. A plurality of columns of heat dissipation holes are further formed in the support part, and the two sides of each column of heat dissipation holes are respectively provided with one heat dissipation strip. The installation part is provided with a cavity part, a heat conduction column and a plurality of heat conduction holes. The two ends of the tube body are fixedly provided with the fans respectively and the fans are used for blowing air into the middle of the tube body. According to the lamp tube heat radiator for the LED lamp, the fans blow the air into the middle of the tube body, the generated air flow is blown towards the LED lamp, and flows in gaps among the cavity part and the heat dissipation strips, so that heat accumulated in a lamp hood, in the cavity part and in the gaps among the heat dissipation strips can be taken away timely in a convection mode, the situation that electronic components in the LED lamp are burnt and damaged due to accumulation of a large amount of heat for a long time is avoided, and service life of the LED lamp is prolonged.
Description
Technical field
The present invention relates to a kind of radiator, particularly relate to a kind of lamp tube heat radiator of LED lamp.
Background technology
As everyone knows, LED light fixture has high brightness, the advantage such as energy-conservation, make it progressively substitute traditional lighting light source, and used in increasing occasion, but the caloric value of LED light source is conventionally larger, thing followed heat dissipation problem also more and more receives publicity, particularly in high-power LED lamp, because great power LED has large specified operating current, the power major part of its output is converted into heat by conduction, if do not take effective cooling measure, the heat of building up will cause the temperature of LED chip sharply to raise, thereby affect luminous efficiency and the service life of LED lamp.
Yet the heat spreader structures of LED lamp of the prior art is single, affect LED lamp and by forms such as radiation, conduction, convection current, heat is distributed in time, cause radiating effect not good, cannot meet the radiating requirements of LED lamp.
Summary of the invention
Based on this, be necessary to provide the lamp tube heat radiator of the good LED lamp of a kind of radiating effect.
A lamp tube heat radiator for LED lamp, comprises a body and two fans;
Described body arranges support portion, installation portion and some heat sink strips;
Described installation portion is arranged at a side of described support portion, for fixedly mounting outside LED lamp;
Described in each, heat sink strip is arranged at respectively the opposite side of described support portion;
On described support portion, also offer some row louvres;
Each both sides that are listed as described louvre be respectively one described in heat sink strip;
Cavity portion, heating column and some thermal holes are set on described installation portion;
Described body two ends fixedly mount one respectively described in fan, for to the air-supply of described body middle part, by louvre described in each, discharge.
In one of them embodiment, described in each, louvre, away from a side of described installation portion, extends a radiating tube is set.
In one of them embodiment, the sidewall of described radiating tube also extends some solid heat radiation branches is set.
In one of them embodiment, in the cross section of described body, described heat sink strip arranges circular arc end away from one end of described support portion, and the circular arc of heat sink strip described in each, is the part of a public circular arc.
In one of them embodiment, described heat sink strip is comprised of the some fin that disperse.
In one of them embodiment, adjacent two row louvres are crisscross arranged.
In one of them embodiment, the heating column corresponding position that is arranged at heat sink strip described in respectively described in each.
In one of them embodiment, also comprise a lampshade, it is fixedly installed on a side of described support portion, and encloses and put described installation portion with described support portion.
In one of them embodiment, some through holes are set on described lampshade.
In one of them embodiment, the aperture of described through hole is 0.1 to 0.3 millimeter.
Fan in the lamp tube heat radiator of above-mentioned LED lamp is to the air-supply of body middle part, the air-flow forming blows to LED lamp, and flow in the space between cavity portion and heat sink strip, thereby the form by convection current by accumulating in lampshade, in cavity portion and the heat in the space between heat sink strip take away timely, avoid the long-time a large amount of accumulation of heat, heat dissipation channel is not smooth, causes the electronic devices and components in LED lamp to burn out.Moreover, due to the setting of heat sink strip and heating column, greatly having increased the area of dissipation of body, the heat that LED lamp is produced is distributed to outside by the form of conduction, radiation, plays preferably radiating effect.In addition, the offering of some thermal holes on some row louvres and installation portion on support portion, part heat in lampshade and in cavity portion can be given out by thermal hole and louvre, thereby effectively reduce temperature in LED lamp, ensure the luminous efficiency of LED lamp and extend its service life.
Accompanying drawing explanation
Fig. 1 be a preferred embodiment of the present invention the cutaway view of lamp tube heat radiator of LED lamp;
Fig. 2 is the A direction schematic diagram of the lamp tube heat radiator of LED lamp in Fig. 1;
Fig. 3 is the lamp tube heat radiator assembling LED lamp of LED lamp shown in Fig. 1 and the cutaway view of lampshade;
Fig. 4 is the lamp tube heat radiator one direction structure schematic diagram of LED lamp in Fig. 1;
Fig. 5 be the another preferred embodiment of the present invention the cutaway view of lamp tube heat radiator of LED lamp.
The specific embodiment
As shown in Figure 1, the cutaway view of the lamp tube heat radiator 10 of its LED lamp that is a preferred embodiment of the present invention.
The lamp tube heat radiator 10 of LED lamp comprises a body 11.Body 11 arranges support portion 12, installation portion 13 and some heat sink strips 14.
Wherein, installation portion 13 is arranged at a side of support portion 12, and each heat sink strip 14 is arranged at respectively the opposite side of support portion 12 spaced reciprocally.On support portion 12, offer some row louvres 102, the both sides of each row louvre 102 are respectively a heat sink strip 14.On installation portion 13, be provided with cavity portion 15, heating column 16 and some thermal holes 17.
In the present embodiment, installation portion 13 is the metallic plate that a strip has good heat conductivility, and for example, this metallic plate is aluminium sheet, copper coin or clad metal sheet.In other embodiments, installation portion 13 is interrupted and arranges, i.e. its discontinuous setting, and for example, installation portion 13 arranges some installation branch, and each is installed branch and fixedly mounts a LED lamp, and for example, installation branch is U-shaped or W shape.Like this, can optimize the convection environment of body 11 inside, obtain good radiating effect.
Support portion 12 is the metallic plate that a strip has good heat conductive performance, and for example, this metallic plate is aluminium sheet, aluminium alloy plate, copper coin or clad metal sheet.Installation portion 13 is by being arranged at respectively two side plates of two side edge, and side plate 302 and side plate 312, be fixedly connected with the side away from heat sink strip 14 on support portion 12.Preferably, described two side plates are the metallic plate with excellent heat conductivity performance, the part heat of building up can be conducted on support portion 12 by described two side plates on installation portion 13.For example, installation portion 13 is non-tight structure, and for example, it is U font, and and for example, it also arranges open-work, to take into account the radiating effect of conduction and convection current.
Installation portion 13 is not limited to be fixedly connected with support portion 12 by described two side plates, and in other embodiments, installation portion 13 is fixedly connected with support portion 12 by single side plate, and and for example, installation portion 13 is fixedly connected with support portion 12 by heating column 16.Wherein, the design of described two side plates and heating column 16; effect is that installation portion 13 is fixedly connected with support portion 12 on the one hand; effect is to adopt conduction pattern to dispel the heat on the other hand; it should be noted that; the alternate manner that installation portion 13 can be fixedly connected with support portion 12 without departing from the inventive concept of the premise, also belongs to protection scope of the present invention.Preferably, the parts that are fixedly connected with between installation portion 13 and support portion 12 have good heat conductivility.
In the present embodiment, heat sink strip 14 is a strip structure, and the bearing of trend of heat sink strip 14 is consistent with the bearing of trend of support portion 12.Heat sink strip 14 is not limited to strip structure, and and for example, in other embodiments, each heat sink strip is comprised of the some fin that disperse, and the some fin that form each heat sink strip are intermittently arranged on the another side of support portion 12 along the bearing of trend of support portion 12.The heat sink strip that the some fin that disperse form, can save material on the one hand, increased on the other hand the area of dissipation of each heat sink strip, and the another side of support portion 12 can reserve more heat-dissipating space.In one embodiment, the plane of disruption of described fin has a plurality of erose sawtooth, further increases the area of dissipation of each heat sink strip.
In the present embodiment, each heating column 16 is the corresponding position that is arranged at a heat sink strip 14 respectively, so, the heat on heating column 16 only need be conducted on the heat sink strip corresponding with it 14 through being equivalent to the distance of support portion 12 thickness, be conducive to increase body 11 by the radiating efficiency of conductive form.
In the present embodiment, the two ends that are arranged at the heating column 16 of close support portion 12 1 sides on installation portion 13 are connected and installed respectively portion 13 and support portion 12, on the one hand for installation portion 13 is fixedly connected with support portion 12, on the other hand for the heat of building up on installation portion 13 is conducted to support portion 12.
As shown in Figure 2, it is that the A of lamp tube heat radiator 10 of LED lamp in Fig. 1 is to view.
On support portion 12, offer some row louvres 102, the both sides of each row louvre 102 are respectively a heat sink strip 14.In one embodiment, adjacent two row louvres 102 are crisscross arranged.
As shown in Figure 3, it is the lamp tube heat radiator 10 assembling LED lamps 010 of LED lamp in Fig. 1 and the cutaway view of lampshade 020.Wherein, LED lamp 010 is fixedly installed on installation portion 13 side away from support portion 12.
For the light-ray condensing better LED lamp 010 being sent, described installation portion fixedly mounts the one side of outside LED lamp 010, and reflecting layer is also set, for reflection and scattering light; In order to make light softer; avoid light direct projection dazzling; in one embodiment; in one side of support portion 12, be also fixedly installed a lampshade 020; and enclose and put installation portion 13 with support portion 12, so that LED lamp 010 is placed in lampshade 020, the light that LED lamp 010 sends is because scattering occurs in the effect of lampshade 020; avoid direct projection to enter people's eyes, can play the technique effect that LED lamp 010 is protected simultaneously.
In one embodiment, some through holes are set on lampshade 020, for better the heat accumulating in lampshade 020 being discharged by described through hole.Preferably, the aperture of described through hole is 0.1 to 0.3 millimeter, makes can avoid light direct projection in ventilative discharge heat.For example, through hole is hexagonal hole; And for example, through hole is square hole.Or described through hole is set to inverted truncated cone-shaped, its inwall evenly arranges some flabellums, and for example, described flabellum is similar to the flabellum shape of fan; And for example, described flabellum is arranged in a ring frame, and described ring frame is articulated on the inwall of described through hole, can rotate relative to the inwall of described through hole, for rotating when being subject to air-flow, to accelerate the flowing velocity of air-flow.Like this, increase radiating efficiency on the one hand, can effectively stop on the other hand outside rainwater to be invaded.
As shown in Figure 4, it is a direction structure schematic diagram of the lamp tube heat radiator 10 of LED lamp in Fig. 1.
In the present embodiment, the lamp tube heat radiator 10 of LED lamp also comprises two fans, i.e. the first fan 21 and the second fan 22.The first fan 21 and the second fan 22 are fixedly installed in respectively the two ends of body 11, and, its air supply direction is all towards body 11 inside, for blowing to body 11 middle parts, by each louvre 102, discharge, the first fan 21 and the second fan 22 are preferably small volume, fan that wind-force is larger, thereby in the situation that matching with body 11 two ends sizes, larger wind-force can be provided, by the mode of convection current, increase the radiating effect of body 11.Easily understand, in prior art, the mode that two described fans are fixedly mounted on is varied, for example, adopt screw, bolt etc. that fan is fixedly mounted on installation portion 13 and/or support portion 12, also can adopt the mode of welding that fan is fixedly mounted on installation portion 13 and/or support portion 12.Generally speaking, without departing from the inventive concept of the premise, the alternate manner that two described fans can be fixedly installed in to body 11 two ends also belongs to protection scope of the present invention.
In the practical application of the lamp tube heat radiator 10 of LED lamp, LED lamp 010 is assemblied on installation portion 13, during 010 work of LED lamp, start the first fan 21 and the second fan 22 to body 11 middle part air-supplies, the air-flow forming blows to LED lamp 010, and flow in the space between cavity portion 15 and heat sink strip 14, thereby the form by convection current is taken away the heat in the space accumulating in lampshade 020, in cavity portion 15 and between heat sink strip 14 in time, avoid the long-time a large amount of accumulation of heat, heat dissipation channel is not smooth, causes the electronic devices and components in LED lamp 010 to burn out.Moreover, due to the setting of heat sink strip 14 and heating column 16, greatly having increased the area of dissipation of body 11, radiating effect is better.
As shown in Figure 5, the cutaway view of the lamp tube heat radiator of its LED lamp that is the another preferred embodiment of the present invention.
In order further the heat accumulating in cavity portion 15 to be distributed fast and effectively, each louvre 102 is away from a side of installation portion 13, extend a radiating tube 030 is set, like this, can reach better heat loss through conduction technique effect, heat in cavity portion 15 is directly discharged by the tube chamber of louvre 102 and radiating tube 030, play thermolysis fast and effectively.Meanwhile, the radiating tube 030 of setting has also increased the area of dissipation of body 11, and radiating effect further strengthens.For example, some pores are set on radiating tube, like this, the heat of discharging from louvre 102, by radiating tube 030, directly conduct on the one hand, also by pore, enter in the space between heat sink strip 14 on the other hand, accelerated cross-ventilation, also by the mouth of pipe and the extraneous air of radiating tube 030, realize convection current, in actual product, there is extraordinary radiating effect.
In one embodiment, the sidewall of radiating tube 030 also extends some solid heat radiation branches is set, like this, the heat of discharging from louvre 102, by radiating tube 030, directly conduct on the one hand, also by the conduction of heat radiation branch, increase area of dissipation effectively on the other hand, also by the mouth of pipe and the extraneous air of radiating tube 030, realize convection current, in actual product, there is equally extraordinary radiating effect.Heat radiation branch extends setting, except bringing modeling effect to lamp tube heat radiator, the more important thing is, has greatly increased the cooling surface area of radiating tube, between conduction and two kinds of radiating modes of convection current, has set up bridge, contributes to improving radiating effect.For example, described heat radiation branch is similar to out the loose leaf of branch, and heat radiation branch and heat radiation leaf are set, and is similar to branch and leaf in moulding, contributes to like this to obtain better radiating effect.And for example, the sidewall of described radiating tube arranges some pores, and wherein part pore extends respectively a hollow heat conduction branch is set, described heat conduction branch two ends are vacant, and centre is a cavity, a pore are communicated with extraneous by the cavity in the middle of described heat conduction branch, like this, can obtain good radiating effect; And for example, described heat conduction branch arranges heat conduction branch and heat conduction leaf, and each heat conduction branch two ends are vacant, and centre is also a cavity, and each cavity is communicated with setting, like this, has formed the heat radiation system extending in all direction, and integral heat sink effect is better.
Please again consult Fig. 1, in one embodiment, in the cross section of body 11, heat sink strip 14 arranges circular arc end 104 away from one end of support portion 12, and, the circular arc of each heat sink strip 14 is the part of a public circular arc 040, that is to say a circular arc, some parts on it are respectively the circular arc of each heat sink strip 14 one end, like this, attractive in appearance on the whole, be easy to manufacture and packed and transported.
Fan in the lamp tube heat radiator of above-mentioned LED lamp is to body 11 middle part air-supplies, the air-flow forming blows to LED lamp 010, and flow in the space between cavity portion 15 and heat sink strip, thereby the form by convection current by accumulating in lampshade 020, in cavity portion 15 and the heat in the space between heat sink strip 14 take away timely, avoid the long-time a large amount of accumulation of heat, heat dissipation channel is not smooth, causes the electronic devices and components in LED lamp 010 to burn out.Moreover, due to the setting of heat sink strip 14 and heating column 16, greatly having increased the area of dissipation of body 11, the heat that LED lamp 010 is produced is distributed to outside by the form of conduction, radiation, plays preferably radiating effect.In addition, the offering of some thermal holes 17 on some row louvres 102 and installation portion 13 on support portion 12, part heat in lampshade 020 and in cavity portion 15 can be given out by thermal hole 17 and louvre 102, thereby effectively reduce the interior temperature of LED lamp 010, ensure the luminous efficiency of LED lamp 010 and extend its service life.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a lamp tube heat radiator for LED lamp, is characterized in that, comprises a body and two fans;
Described body arranges support portion, installation portion and some heat sink strips;
Described installation portion is arranged at a side of described support portion, for fixedly mounting outside LED lamp;
Described in each, heat sink strip is arranged at respectively the opposite side of described support portion;
On described support portion, also offer some row louvres;
Each both sides that are listed as described louvre be respectively one described in heat sink strip;
Cavity portion, heating column and some thermal holes are set on described installation portion;
Described body two ends fixedly mount one respectively described in fan, for to the air-supply of described body middle part, by louvre described in each, discharge.
2. the lamp tube heat radiator of LED lamp according to claim 1, is characterized in that, described in each, louvre, away from a side of described installation portion, extends a radiating tube is set.
3. the lamp tube heat radiator of LED lamp according to claim 2, is characterized in that, the sidewall of described radiating tube also extends some solid heat radiation branches are set.
4. the lamp tube heat radiator of LED lamp according to claim 2, is characterized in that, in the cross section of described body, described heat sink strip arranges circular arc end away from one end of described support portion, and the circular arc of heat sink strip described in each, is the part of a public circular arc.
5. the lamp tube heat radiator of LED lamp according to claim 4, is characterized in that, described heat sink strip is comprised of the some fin that disperse.
6. the lamp tube heat radiator of LED lamp according to claim 1, is characterized in that, adjacent two row louvres are crisscross arranged.
7. the lamp tube heat radiator of LED lamp according to claim 1, is characterized in that, the heating column corresponding position that is arranged at heat sink strip described in respectively described in each.
8. according to the lamp tube heat radiator of the arbitrary described LED lamp of claim 1 to 7, it is characterized in that, also comprise a lampshade, it is fixedly installed on a side of described support portion, and encloses and put described installation portion with described support portion.
9. the lamp tube heat radiator of LED lamp according to claim 8, is characterized in that, some through holes are set on described lampshade.
10. the lamp tube heat radiator of LED lamp according to claim 9, is characterized in that, the aperture of described through hole is 0.1 to 0.3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360995.2A CN104089264B (en) | 2014-07-25 | 2014-07-25 | The lamp tube heat radiator of LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410360995.2A CN104089264B (en) | 2014-07-25 | 2014-07-25 | The lamp tube heat radiator of LED |
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| Publication Number | Publication Date |
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| CN104089264A true CN104089264A (en) | 2014-10-08 |
| CN104089264B CN104089264B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410360995.2A Active CN104089264B (en) | 2014-07-25 | 2014-07-25 | The lamp tube heat radiator of LED |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105805624A (en) * | 2016-04-28 | 2016-07-27 | 东莞市闻誉实业有限公司 | Lamp |
| CN109140406A (en) * | 2018-09-11 | 2019-01-04 | 重庆红日照明器材有限公司 | A kind of convector radiator for lamps and lanterns |
| CN115325518A (en) * | 2022-09-01 | 2022-11-11 | 苏州法雷尔自动化科技有限公司 | Line scanning light source |
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| CN204084291U (en) * | 2014-07-25 | 2015-01-07 | 东莞市闻誉实业有限公司 | Fluorescent tube heat abstractor |
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| CN201748209U (en) * | 2010-07-19 | 2011-02-16 | 深圳市金宇宙光电有限公司 | High-power active cooling LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105805624A (en) * | 2016-04-28 | 2016-07-27 | 东莞市闻誉实业有限公司 | Lamp |
| CN109140406A (en) * | 2018-09-11 | 2019-01-04 | 重庆红日照明器材有限公司 | A kind of convector radiator for lamps and lanterns |
| CN115325518A (en) * | 2022-09-01 | 2022-11-11 | 苏州法雷尔自动化科技有限公司 | Line scanning light source |
| CN115325518B (en) * | 2022-09-01 | 2023-11-14 | 苏州法雷尔自动化科技有限公司 | Line sweeps light source |
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| Publication number | Publication date |
|---|---|
| CN104089264B (en) | 2016-10-05 |
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