CN105299540A - Self-exciting type loop heat pipe sunflower heat dissipation module and large-power LED tube light - Google Patents
Self-exciting type loop heat pipe sunflower heat dissipation module and large-power LED tube light Download PDFInfo
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- CN105299540A CN105299540A CN201510752528.9A CN201510752528A CN105299540A CN 105299540 A CN105299540 A CN 105299540A CN 201510752528 A CN201510752528 A CN 201510752528A CN 105299540 A CN105299540 A CN 105299540A
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- heat pipe
- heat
- pipe
- heronsbill
- radiation module
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
Abstract
The invention relates to the technical field of lamps, in particular to a self-exciting type loop heat pipe sunflower heat dissipation module and a large-power LED tube light. The self-exciting type loop heat pipe sunflower heat dissipation module comprises a heat pipe channel internally provided with closed loop type oscillatory flow heat pipes and sunflower fins arranged on the outer wall of the heat pipe channel. Each oscillatory flow heat pipe comprises a working medium with the boiling point ranging from 55 DEG C to 65 DEG C, a heated end tightly attached to a heating component of a product to be cooled and a condensation end away from the heating component of the product to be cooled, wherein the working medium is arranged in a heat pipe cavity. The heat dissipation module is small in size, high in heat conducting efficiency, low in cost and capable of being well applied to LED lights.
Description
Technical field
The present invention relates to technical field of lamps, specifically a kind of auto-excitation type loop circuit heat pipe heronsbill heat radiation module and high-power LED tube light.
Background technology
LED (LightEmittingDiode), i.e. semi-conductor electricity light source, light emitting diode, also referred to as semiconductor lamp, is a kind of electric light source without filament, is directly luminous energy electric energy conversion.But for the LED of relatively high power, the heat flow density of chip is high, when radiating effect is bad, the temperature of LED chip sharply rises, and can produce light decay very soon, even damage LED chip.Only have the heat dissipation technology solving great power LED, delay the light decay of LED to greatest extent, the application of great power LED could be promoted widely.
On market, general employing large-area metal (as die casting aluminium ADC12 and 6063-T5 alloyed aluminum shapes) heat conduction reaches radiating effect, or adopt increase fan and micropump to make its quick heat radiating and circulation, but these devices or bulky, expensive, heat radiation does not reach desirable effect, brings inconvenience to production and use.
Summary of the invention
The present invention is directed to above-mentioned Problems existing, provide a kind of auto-excitation type loop circuit heat pipe heronsbill to dispel the heat module, solve that heat sink size in prior art is excessive, not high, the expensive technical problem of heat transfer efficiency.
The present invention for achieving the above object, takes following technical scheme to be achieved:
A kind of auto-excitation type loop circuit heat pipe heronsbill heat radiation module, comprise inside and be provided with the heat pipe passage of closed circuit type oscillating flow heat pipe and be arranged on the heronsbill fin of heat pipe channel outer wall, described oscillating flow heat pipe comprises the boiling point be arranged in heat pipe cavity and is the working media of 55-65 DEG C, is close to the heating end of product heat generating components of waiting to dispel the heat and the condensation end away from product heat generating components of waiting to dispel the heat.Describedly treat that heat radiation product can for LED.
As further improvement, a part of sidewall of described oscillating flow heat pipe condensation end is made up of the cold junction jam forming heat pipe channel surface, and described cold junction jam and heat pipe passage are that detachable-type sealed is connected.
As further improvement, a part of sidewall of described oscillating flow heat pipe heating end is made up of the hot junction jam forming heat pipe channel surface, and hot junction jam and heat pipe passage are that detachable-type sealed is connected.
As further improvement, the inner surface of described hot junction jam and/or cold junction jam is plane.
As further improvement, described working media accounts for the 50-75% of heat pipe cavity volume; Described working media is the mixture of acetone or acetone, second alcohol and water.
As further improvement, described heat pipe passage is cylinder, described cylindrical diameter 29-30 millimeter; Described heat pipe comprises horizontal pipeline and pipe tunnel, and the length of described pipe tunnel cavity is 8-10 millimeter; Maximum distance in described pipe tunnel section transversely between madial wall 2 is 0.8-3 millimeter; Maximum distance in described horizontal pipeline section longitudinally between madial wall 2 is 0.8-3 millimeter.
As further improvement, described pipe tunnel is 9 cylindrical pipelines, and the distance between the two pipe tunnel centers of circle is 6.5-9 millimeter.
As further improvement, described fin is away from heat pipe passage end jag; The thickness of pipe wall of described heat pipe heating end is 4.0-4.1 millimeter, and the hot junction of described hot junction jam outer surface and all heronsbill fins surrounds a groove, and hot junction top outer and the inner side of described heronsbill fin are respectively arranged with outer tooth and Nei Ya.
Another one object of the present invention is, provides a kind of great power LED (power is between 30-45 watt) Down lamp, is specially:
A kind of high-power LED tube light, the heat radiation module comprising luminous component and be fixedly connected with luminous component, described heat radiation module is auto-excitation type loop circuit heat pipe heronsbill heat radiation module described above.
As further improvement, described luminous component comprises the light source be close to hot junction jam outer surface, the annular light source support for light source being fixed on the module that dispels the heat be close to away from the one side of the module that dispels the heat with light source, be close to annular light source support annular inboard and cover the prefocus cup closed on light source, the sheet glass engaged away from one end of the module that dispels the heat with prefocus cup, be set in the inner ring outside prefocus cup and sheet glass, with on heat radiation module fin in tooth engage for ring during inner ring and hot junction jam are clamped, the outer shroud for middle ring and hot junction jam are clamped engaged with the outer tooth on heat radiation module fin, described outer shroud is fixedly connected with by screw M with middle ring, described annular light source support is fixedly connected with by screw N with hot junction jam.
Beneficial effect of the present invention is as follows:
Heat in heat pipe passage fast from heating end to condensation end transmission, and is distributed by the heronsbill fin being arranged on heat pipe channel outer wall and treats the product that dispels the heat and dispel the heat by the heat that LED is produced by oscillating flow heat pipe by auto-excitation type loop circuit heat pipe heronsbill of the present invention heat radiation module.This heat radiation module, size is little, and heat transfer efficiency is high, low price, thus can well be applied to the LED of high-power (30-45W).
Accompanying drawing explanation
Fig. 1 is heat emission module structure schematic diagram;
Fig. 2 is the radiator plan structure schematic diagram of condensation end;
Fig. 3 is heat emission module structure schematic diagram;
Fig. 4 is the heat radiation module plan structure schematic diagram of heating end;
Fig. 5 is LED down structural representation.
Fig. 6 is LED down stereogram.
Wherein, 11-19 is pipe tunnel; 21-25 is the horizontal pipeline of condensation end; 31-34 is the pipe tunnel of heating end; 4 is fins; 5 is condensation ends; 6 is heating ends; 7 is screws; 8 is cold junction jams; 9 is hot junction jams; 10 is screws; 41 is light sources; 42 is annular light source supports; 43 is screw N; 44 is prefocus cups; 45 is sheet glass; 46 is inner ring; 47 is middle rings; 48 is outer shrouds; 49 is screw M; 411 is the outer teeth on fin; 412 is the interior teeth on fin; 51 is heat pipe passages.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
As Figure 1-4, a kind of auto-excitation type loop circuit heat pipe heronsbill heat radiation module, comprise inside be provided with the heat pipe passage 51 of closed circuit type oscillating flow heat pipe and be arranged on the heronsbill fin 4 of heat pipe passage 51 outer wall, described oscillating flow heat pipe comprises the boiling point be arranged in heat pipe cavity and is the working media of 55-65 DEG C, is close to the heating end 6 of LED heat generating components and the condensation end 5 away from LED heat generating components.In Fig. 1 to Fig. 4, the hot junction jam 9 at heating end 6 place, the cold junction jam 8 at condensation end 5 place do not draw, and are in order to clearer explanation the technical program.
Working media of the present invention produces bubble blast in certain temperature in oscillating flow heat pipe, and then promotes the liquid flow not having blast, thus reaches auto-excitation type flowing.Therefore when heating end 6 temperature is identical, module is dispelled the heat in the present invention can be higher than the temperature not adding oscillating flow heat pipe in the temperature of condensation end 5, and then be distributed to the heat in fin 4, and particularly fin 4 is more near the heat of condensation end 5, thus accelerate radiating rate.More effectively faster by spread heat, not only can be applied to the heat radiation of low-power LED lamp, also may be used for the heat radiation of high-powered LED lamp thus.Described certain temperature can be such as 50-60 DEG C.
Heat is transmitted to condensation end 5 from heating end 6 by working media after absorbing the heat of LED generation by oscillating flow heat pipe fast, and is distributed by the heat in heat pipe passage 51 by the heronsbill fin 4 being arranged on heat pipe passage 51 outer wall.This radiator, size is little, and heat transfer efficiency is high, low price.
Preferably, a part of sidewall of described oscillating flow heat pipe condensation end 5 is made up of the cold junction jam 8 forming heat pipe passage 51 surface, described cold junction jam 8 with heat pipe passage 51 for detachable-type sealed is connected.With screw 7, cold junction jam 8 is connected with heat pipe passage 51 in figure.
Preferably, a part of sidewall of described oscillating flow heat pipe heating end 6 is made up of the hot junction jam 9 forming heat pipe passage 51 surface, described hot junction jam 9 with heat pipe passage 51 for detachable-type sealed is connected.With screw 10, cold junction jam 8 is connected with heat pipe passage 51 in figure.
Owing to adopting detachable connection, replacing or interpolation working media become and are easy to like this.Certainly, in order to realize sealing, can the method such as choice for use sealing ring be achieved.Described heat pipe passage 51 can be except heat pipe cavity, and all the other components are all that aluminum alloy materials is formed, and heat transfer is very fast like this.
Preferably, described heat pipe passage 51 is cylinder, described cylindrical diameter 29-30 millimeter; Described heat pipe comprises horizontal pipeline and pipe tunnel, the length of described pipe tunnel cavity is that 8-10 millimeter (refers to the distance between hot junction jam 9 and cold junction jam 8 inner surface when arranging jam, herein, hot junction jam 9 and cold junction jam 8 inner surface are plane); Maximum distance in described pipe tunnel section transversely between madial wall 2 is 0.8-3 millimeter; Maximum distance in described horizontal pipeline section longitudinally between madial wall 2 is 0.8-3 millimeter.
Preferably, described pipe tunnel is 9 cylindrical pipelines, and the distance between the two pipe tunnel centers of circle is 6.5-9 millimeter.Because the power of most of high-powered LED lamp is between 30-45W, such setting, can well meet the needs of these LED, and moreover, it is more extensive that this arranges range of application.
The essential condition that oscillating flow heat pipe runs is exactly that caliber is enough little, because caliber crosses senior general occur gas-liquid lamination, effectively can not form oscillatory flow, but caliber is too little, then need the capillary resistance that overcomes larger, so will select suitable caliber.Through repeatedly testing, the maximum distance in discovery pipe tunnel section transversely between madial wall 2 and the caliber of pipe tunnel are 0.8-3 millimeter; Maximum distance in horizontal pipeline section longitudinally between madial wall 2 is proper between 0.8-3 millimeter, particularly best between 2-3 millimeter, so both can transferring heat fast, manufactures also than being easier to.
In figure, horizontal pipeline (21,22,23,24,25) a part of sidewall of condensation end 5 is made up of the cold junction jam 8 covered on heat pipe passage 51 surface, horizontal pipeline (31,32,33,34) a part of sidewall of heating end 6 is made up of the hot junction jam 9 covered on heat pipe passage 51 surface, and hot junction jam 9, cold junction jam 8 inner surface are plane, now, can control horizontal pipeline caliber is 2-3 millimeter, particularly 2 millimeters.So both can transferring heat fast, manufacture also than being easier to.
In figure, pipe tunnel 11 is connected by horizontal pipeline 21 with pipe tunnel 12, pipe tunnel 12 is connected by horizontal pipeline 33 with pipe tunnel 14, pipe tunnel 14 is connected by horizontal pipeline 22 with pipe tunnel 15, pipe tunnel 15 is connected by horizontal pipeline 32 with pipe tunnel 16, pipe tunnel 16 is connected by horizontal pipeline 23 with pipe tunnel 17, pipe tunnel 17 is connected by horizontal pipeline 31 with pipe tunnel 18, pipe tunnel 18 is connected by horizontal pipeline 24 with pipe tunnel 19, pipe tunnel 19 is connected by horizontal pipeline 34 with pipe tunnel 13, pipe tunnel 13 is connected by horizontal pipeline 25 with pipe tunnel 11, form closed loop.As for the distance between the two pipe tunnel centers of circle, the distance between pipeline 11 and pipeline 13 center of circle can be selected to be 8.87 millimeters, distance between pipeline 19 and pipeline 13 center of circle is 8.87 millimeters, and the distance between pipeline 11 and pipeline 12 center of circle, between pipeline 12 and pipeline 14 center of circle, between pipeline 14 and pipeline 15 center of circle, between pipeline 15 and pipeline 16 center of circle, between pipeline 16 and pipeline 17 center of circle, between pipeline 17 and pipeline 18 center of circle, between pipeline 18 and pipeline 19 center of circle is all 6.79 millimeters.
Preferably, described working media accounts for the 50-75% of heat pipe cavity volume.Experiment finds, when working media accounts for less than 20% or more than 80% of heat pipe cavity volume, all can not form effective vibration, in order to quick transferring heat, selects working media to account for the 50-75% of heat pipe cavity volume, such as 60%, 70%.
Preferably, described working media is the mixture of acetone or acetone, second alcohol and water.Because the boiling point of acetone is lower, be liquid at normal temperatures, and put together with the material such as aluminium section bar and there is not corrosion problems, therefore select acetone as working media.Certainly, in order to reduce costs, the mixture of acetone, second alcohol and water also can be selected as working media, as long as boiling point can be met between 55-65 DEG C.
Preferably, described fin 4 is away from heat pipe passage 51 one end jag.Can arrange fin 4 jag and become 2,3 or more, such radiating rate is faster.In figure, fin 4 jag becomes 2.
Preferably, the thickness of pipe wall of described heat pipe heating end 6 is 4.0-4.1 millimeter, and under the condition of satisfied sealing, thinner thickness, transferring heat is faster.The hot junction of described hot junction jam 9 outer surface and all heronsbill fins 4 surrounds a groove.When being installed in LED like this, when satisfied heat radiation, more save space, also can better dispel the heat simultaneously.In addition, the hot junction top outer of described heronsbill fin and inner side are respectively arranged with outer tooth 411 and Nei Ya 412, like this, are convenient to all parts of mounted LED lamp.
As shown in Figure 5 and Figure 6, a kind of high-power LED tube light, the heat radiation module comprising luminous component and be fixedly connected with luminous component, described heat radiation module is auto-excitation type loop circuit heat pipe heronsbill heat radiation module described above.
Preferably, described luminous component comprises the light source 41 be close to hot junction jam 9 outer surface, the annular light source support 42 for light source 41 being fixed on the module that dispels the heat be close to away from the one side of the module that dispels the heat with light source 41, be close to annular light source support 42 annular inboard and cover the prefocus cup 44 closed on light source 41, the sheet glass 45 engaged away from one end of the module that dispels the heat with prefocus cup 44, be set in the inner ring 46 outside prefocus cup 44 and sheet glass 45, with on heat radiation module fin 4 in tooth 412 engage for ring 47 during inner ring 46 and hot junction jam 9 are clamped, the outer shroud 48 for middle ring 47 is clamped with hot junction jam 9 engaged with the outer tooth 411 on heat radiation module fin 4, described outer shroud 48 is fixedly connected with by screw M49 with middle ring 47, described annular light source support 42 is fixedly connected with by screw N43 with hot junction jam 9.
The LED down of this spline structure, power large (can be applicable to the high-powered LED lamp that power is 30-45W), size is little, saves space.
It should be noted that, when the module that dispels the heat vertically is placed, such as, condensation end, when bottom, laterally refers to horizontal direction, longitudinally refers to vertical direction.
Only as described above, be only the preferred embodiment of the present invention, when can not limit the scope of the invention process with this, namely generally according to equivalence change simple done by the content described in the claims in the present invention and description of the invention and modification, be all still covered by the claims of the invention.In addition, summary part and title are only used to the use of auxiliary patent document search, are not used for the interest field of restriction the present invention.
Claims (10)
1. an auto-excitation type loop circuit heat pipe heronsbill heat radiation module, it is characterized in that, comprise inside and be provided with the heat pipe passage of closed circuit type oscillating flow heat pipe and be arranged on the heronsbill fin of heat pipe channel outer wall, described oscillating flow heat pipe comprises the boiling point be arranged in heat pipe cavity and is the working media of 55-65 DEG C, is close to the heating end of product heat generating components of waiting to dispel the heat and the condensation end away from product heat generating components of waiting to dispel the heat.
2. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 1, it is characterized in that, a part of sidewall of described oscillating flow heat pipe condensation end is made up of the cold junction jam forming heat pipe channel surface, and described cold junction jam and heat pipe passage are that detachable-type sealed is connected.
3. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 2, it is characterized in that, a part of sidewall of described oscillating flow heat pipe heating end is made up of the hot junction jam forming heat pipe channel surface, and hot junction jam and heat pipe passage are that detachable-type sealed is connected.
4. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 3, it is characterized in that, the inner surface of described hot junction jam and/or cold junction jam is plane; Described treat heat radiation product be LED.
5. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 1, it is characterized in that, described working media accounts for the 50-75% of heat pipe cavity volume; Described working media is the mixture of acetone or acetone, second alcohol and water.
6. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 1, it is characterized in that, described heat pipe passage is cylinder, described cylindrical diameter 29-30 millimeter; Described heat pipe comprises horizontal pipeline and pipe tunnel, and the length of described pipe tunnel cavity is 8-10 millimeter; Maximum distance in described pipe tunnel section transversely between madial wall 2 is 0.8-3 millimeter; Maximum distance in described horizontal pipeline section longitudinally between madial wall 2 is 0.8-3 millimeter.
7. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 6, it is characterized in that, described pipe tunnel is 9 cylindrical pipelines, and the distance between the two pipe tunnel centers of circle is 6.5-9 millimeter.
8. auto-excitation type loop circuit heat pipe heronsbill heat radiation module as claimed in claim 4, it is characterized in that, described fin is away from heat pipe passage end jag; The thickness of pipe wall of described heat pipe heating end is 4.0-4.1 millimeter, and the hot junction of described hot junction jam outer surface and all heronsbill fins surrounds a groove, and hot junction top outer and the inner side of described heronsbill fin are respectively arranged with outer tooth and Nei Ya.
9. a high-power LED tube light, the heat radiation module comprising luminous component and be fixedly connected with luminous component, is characterized in that, described heat radiation module is the auto-excitation type loop circuit heat pipe heronsbill heat radiation module described in any one of claim 1-8.
10. high-power LED tube light as claimed in claim 9, it is characterized in that, described heat radiation module is heat radiation module according to claim 8, described luminous component comprises the light source be close to hot junction jam outer surface, the annular light source support for light source being fixed on the module that dispels the heat be close to away from the one side of the module that dispels the heat with light source, be close to annular light source support annular inboard and cover the prefocus cup closed on light source, the sheet glass engaged away from one end of the module that dispels the heat with prefocus cup, be set in the inner ring outside prefocus cup and sheet glass, with on heat radiation module fin in tooth engage for ring during inner ring and hot junction jam are clamped, the outer shroud for middle ring and hot junction jam are clamped engaged with the outer tooth on heat radiation module fin, described outer shroud and middle ring are by being fixedly connected with the screw M of middle ring-side wall through outer shroud, described annular light source support is fixedly connected with by screw N with hot junction jam.
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| CN201510752528.9A CN105299540A (en) | 2015-11-05 | 2015-11-05 | Self-exciting type loop heat pipe sunflower heat dissipation module and large-power LED tube light |
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| CN201510752528.9A CN105299540A (en) | 2015-11-05 | 2015-11-05 | Self-exciting type loop heat pipe sunflower heat dissipation module and large-power LED tube light |
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Application publication date: 20160203 |
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