CN104896351B - Tubular radiating lamp - Google Patents

Tubular radiating lamp Download PDF

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Publication number
CN104896351B
CN104896351B CN201510320969.1A CN201510320969A CN104896351B CN 104896351 B CN104896351 B CN 104896351B CN 201510320969 A CN201510320969 A CN 201510320969A CN 104896351 B CN104896351 B CN 104896351B
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heat
parts
dissipating cylinder
lamp
dissipating
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CN104896351A (en
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叶伟炳
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Dongguan Wenyu Industrial Co Ltd
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Dongguan Wenyu Industrial Co Ltd
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Abstract

The present invention relates to a kind of tubular radiating lamp, including:Lamp holder, enclosing cover, lampshade, heat-dissipating cylinder and some LEDs.Lamp holder has two contact pins.Lampshade is columnar structured, and the both ends of lampshade are connected with lamp holder and enclosing cover respectively.Heat-dissipating cylinder is hollow-core construction, and the both ends of heat-dissipating cylinder are connected with lamp holder and enclosing cover respectively, and heat-dissipating cylinder is placed in lampshade, and the madial wall of heat-dissipating cylinder sets some thermal columns to inner side protrusion, and some thermal columns radially distribute in the madial wall of heat-dissipating cylinder.Some LEDs are arranged at heat-dissipating cylinder.For above-mentioned tubular radiating lamp by the way that some LEDs are arranged at into heat-dissipating cylinder, heat-dissipating cylinder can effectively improve cooling surface area, so as to be greatly enhanced tubular radiating lamp heat dispersion.

Description

Tubular radiating lamp
Technical field
The present invention relates to lighting technical field, more particularly to a kind of tubular radiating lamp.
Background technology
LED (Light Emitting Diode, light emitting diode) can directly and efficiently convert electrical energy into visible ray, and And possess the service life up to tens thousand of hours~100,000 hour.LED is used to be referred to as LED lamp for the light fixture of light source, it is with matter It is excellent, durable, energy-conservation the advantages that and be referred to as the most frequently used illuminator.As LED lamp technology develops rapidly in recent years, LED Tool product substitutes original fluorescent lighting fixture substantially.
LED basic structure is P-N knots of a semiconductor, and when electric current flows through LED element, the temperature of P-N knots will Rise, and the temperature in P-N interfaces is referred to as LED junction temperature, is typically due to the size that element chip is respectively provided with very little, therefore, also The temperature of LED chip is referred to as the junction temperature of LED chip.
At present, a drawback existing for LED tubulars radiating lamp itself is that LED tubular radiating lamp light efficiencies are by LED tubulars The junction temperature of radiating lamp has a great influence, and higher junction temperature of chip will cause light efficiency to be decreased obviously, and influences whether LED cylinders The service life of shape radiating lamp.Because LED is when luminous, the temperature of its own can be raised constantly, in lasting gaffer In work, if heat caused by LED can not exhale in time, it will cause the damage of LED, influence the use of LED Life-span.Therefore, the heat dissipation problem for solving LED is most important for the performance for lifting LED.
However, still there is the problem of heat dispersion is poor in existing LED tubulars radiating lamp, in particular by larger work( When the LED of rate is as light source, its heating problem is obvious all the more.
The content of the invention
Based on this, it is necessary to provide a kind of tubular radiating lamp of good heat dispersion performance.
A kind of tubular radiating lamp, including:
Lamp holder, the lamp holder have two contact pins;
Enclosing cover,
Lampshade, the lampshade are columnar structured, and the both ends of the lampshade are connected with the lamp holder and the enclosing cover respectively;
Heat-dissipating cylinder, the heat-dissipating cylinder are hollow-core construction, the both ends of the heat-dissipating cylinder respectively with the lamp holder and the enclosing cover Connection, and the heat-dissipating cylinder is placed in the lampshade, the madial wall of the heat-dissipating cylinder sets some thermal columns to inner side protrusion, Some thermal columns radially distribute in the madial wall of the heat-dissipating cylinder;
Some LEDs, some LEDs are arranged at the heat-dissipating cylinder.
In one of the embodiments, the thermal column is hollow-core construction.
In one of the embodiments, the thermal column cylindrical structure.
In one of the embodiments, the one end of some thermal columns away from the LED is connected with each other.
In one of the embodiments, some through holes are offered on the thermal column.
In one of the embodiments, a diameter of 1mm~1.5mm of the through hole.
In one of the embodiments, between two adjacent LEDs at intervals of 2mm~5mm.
In one of the embodiments, between two adjacent LEDs at intervals of 3mm~4mm.
In one of the embodiments, between two adjacent LEDs at intervals of 3.5mm.
For above-mentioned tubular radiating lamp by the way that some LEDs are arranged at into heat-dissipating cylinder, heat-dissipating cylinder can effectively improve radiating Surface area, so as to be greatly enhanced tubular radiating lamp heat dispersion.
Brief description of the drawings
Fig. 1 is the structural representation of the tubular radiating lamp of an embodiment of the present invention;
Fig. 2 is the cut-away view of the tubular radiating lamp shown in Fig. 1;
Fig. 3 is the fragmentary sectional view of the tubular radiating lamp shown in Fig. 1;
Fig. 4 is the structural representation of the tubular radiating lamp of another embodiment of the present invention;
Fig. 5 is the structural representation of the tubular radiating lamp of another embodiment of the present invention;
Fig. 6 is the structural representation of the tubular radiating lamp of another embodiment of the present invention;
Fig. 7 is the structural representation of the tubular radiating lamp of another embodiment of the present invention.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more The arbitrary and all combination of related Listed Items.
Fig. 1 and Fig. 2 is referred to, tubular radiating lamp 10 includes:Lamp holder 100, enclosing cover 200, lampshade 300, the and of heat-dissipating cylinder 400 Some LEDs 500, lamp holder 100, enclosing cover 200 are arranged at the both ends of lampshade 300, and heat-dissipating cylinder 400 and some LEDs 500 are accommodating In in lampshade 300.
Referring to Fig. 1, the both ends of lampshade 300 are connected with lamp holder 100 and enclosing cover 200 respectively.Also referring to Fig. 4, lampshade 300 be columnar structured, for example, the lamp holder is used for lamp socket mounted externally;And for example, the lamp holder is provided with contact pin, The contact pin is used to electrically connect with the lamp socket of outside, to provide power supply to the normal work of the LED.
Referring to Fig. 4, heat-dissipating cylinder 400 is hollow-core construction, the both ends of heat-dissipating cylinder 400 are connected with lamp holder 100 and enclosing cover respectively 200, and heat-dissipating cylinder 400 is placed in lampshade 300.For example, the heat-dissipating cylinder is hollow cylindrical structure.
Referring to Fig. 4, some LEDs 500 are arranged at the outer surface of heat-dissipating cylinder 400, heat-dissipating cylinder 400 is used for LED 500 Heat caused by being lighted during work carries out thermolysis.
In order to further improve the heat dispersion of the tubular radiating lamp, for example, referring to Fig. 3, lampshade 300 offers Some air vents 310 being in communication with the outside, some air vents 310 are uniformly distributed in lampshade 300;For example, the air vent For rectangular opening or parallelogram hole.And for example, the air vent is circular port;And for example, a diameter of 5mm of the air vent ~10mm;And for example, a diameter of 6mm~8mm of the air vent;And for example, a diameter of 7.5mm of the air vent;And for example, it is some The air vent circular array is distributed in the lampshade, in this way, outside the relatively warm air and the lampshade in the lampshade compared with Cold air can carry out heat exchange by the air vent, so as to further improve the thermal diffusivity of the tubular radiating lamp Energy.
In order to further improve the uniformity of the brightness of the tubular radiating lamp and illuminating effect, for example, referring to figure 4, some circular arrays of LED 500 are arranged at heat-dissipating cylinder 400, and adjacent two intervals enclosed between LEDs 500 are equal;Again Such as, between the adjacent two circle LEDs at intervals of 2mm~5mm;And for example, the interval between the two adjacent circle LEDs For 3mm~4mm;And for example, between the adjacent two circle LEDs at intervals of 3.5mm;And for example, the LED is LED spotlight; And for example, between two adjacent LEDs at intervals of 2mm~5mm;And for example, between two adjacent LEDs It is divided into 3mm~4mm;And for example, between two adjacent LEDs at intervals of 3.5mm, in this way, institute can further be improved State the brightness of tubular radiating lamp and the uniformity of illuminating effect.
In order to further improve the heat dispersion of the tubular radiating lamp, for example, referring to Fig. 5, heat-dissipating cylinder 400 it is interior Side wall sets some thermal columns 410 to inner side protrusion, and some thermal columns 410 radially distribute in the madial wall of heat-dissipating cylinder 400; For example, as shown in figure 5, thermal column 410 is coarser than its end away from heat-dissipating cylinder 400 close to the end of heat-dissipating cylinder 400;And for example, institute It is hollow-core construction to state thermal column;And for example, the thermal column is cylindrical structure;And for example, some thermal columns are away from described One end of LED is connected with each other;And for example, some through holes are offered on the thermal column;And for example, a diameter of 1mm of the through hole ~1.5mm, in this way, the thermal column can increase cooling surface area, so as to further improve the tubular radiating lamp Heat dispersion.
In order to further improve the heat dispersion of the tubular radiating lamp, for example, referring to Fig. 6, heat-dissipating cylinder 400 is located at Opening position between two adjacent LEDs 500 offers heat emission hole 420;And for example, the heat emission hole is circular configuration;And for example, A diameter of 3mm~6mm of the heat emission hole;And for example, a diameter of 4mm~5mm of the heat emission hole;And for example, the heat emission hole A diameter of 4.5mm;And for example, the hole wall of the heat emission hole is additionally provided with radiating wire, in this way, relatively warm air and institute in the heat-dissipating cylinder Heat exchange can be carried out by the heat emission hole by stating the cooler air outside heat-dissipating cylinder, be dissipated so as to further improve the tubular The heat dispersion of thermolamp tool.
In order to further improve the utilization rate of the light of the LED, for example, referring to Fig. 7, also include reflecting layer 600, Reflecting layer 600 fits in the lateral wall of heat-dissipating cylinder 400, and some LEDs 500 are arranged at one of reflecting layer 600 away from heat-dissipating cylinder 400 Side;And for example, the material in the reflecting layer is polyethylene terephthalate;And for example, the material in the reflecting layer is ethene Vinylacetate;And for example, the material in the reflecting layer is PLA;And for example, the thickness in the reflecting layer is 6mm~10mm;Again Such as, the thickness in the reflecting layer is 8mm~9mm, in this way, can be to the light sent of the LED by the reflecting layer Reflected and/or reflected, so as to further improve the utilization rate of the light of the LED.In addition, the reflecting layer Mechanical performance is also preferable, and e.g., resistant to bending and cutting resistance is preferable.
For above-mentioned tubular radiating lamp 10 by the way that some LEDs 500 are arranged at into heat-dissipating cylinder 400, heat-dissipating cylinder 400 can be effective Ground improves cooling surface area, so as to be greatly enhanced the heat dispersion of tubular radiating lamp 10.
In order to further improve the heat dispersion of the tubular radiating lamp, for example, the heat-dissipating cylinder is using radiating alloy It is prepared, the radiating alloy includes the heat-sink shell, heat-conducting layer and heat dissipating layer for being sequentially overlapped setting;And for example, the heat-sink shell, The heat-conducting layer is identical with the material of the heat dissipating layer or different setting;And for example, the LED is arranged at the heat-sink shell; And for example, the heat-conductive characteristic of the heat-sink shell, the heat-conducting layer and the heat dissipating layer successively decreases successively, forms heat-conductive characteristic ladder Degree, so as to further optimize the heat dissipation path of the radiating alloy, drastically increase the heat dispersion of heat-dissipating cylinder, Jin Erti The high heat dispersion of the tubular radiating lamp, so, it is possible the radiating for meeting the big tubular radiating lamp of caloric value Demand.
For example, the tubular radiating lamp of an embodiment of the present invention, wherein, the heat-sink shell of the radiating alloy, its Include each component of following mass parts:
90 parts~92 parts of copper, 2 parts~4.5 parts of aluminium, 1 part~2.5 parts of magnesium, 0.5 part~0.8 part of nickel, 0.1 part~0.3 part of iron, 1.5 parts~4.5 parts of vanadium, 0.1 part~0.4 part of manganese, 0.5 part~0.8 part of titanium, 0.5 part~0.8 part of chromium, 0.5 part~0.8 part of vanadium, silicon 0.8 part~15 parts and 0.5 part~2 parts graphenes.
First, the copper (Cu) that above-mentioned heat-sink shell contains 90 parts~92 parts can make heat-sink shell have preferably heat absorption energy. When copper mass parts be 90 parts~92 parts when, the coefficient of heat conduction of heat-sink shell can reach more than 365W/mK, can rapidly by Heat siphons away caused by LED, and then is dispersed in making even heat in the overall structure of heat-sink shell, to prevent heat in LED Accumulated on contact position between lamp and heat-sink shell, cause the generation of hot-spot phenomenon.Moreover, the density of heat-sink shell is less than pure The density of copper, it so can effectively mitigate the weight of heat-sink shell, more conducively installation manufacture, while also greatly reduce into This.Wherein, the definition of the coefficient of heat conduction is:Per unit length, per K, can transmit how many W energy, unit W/mK, its In " W " refer to thermal power unit, " m " represents long measure rice, and " K " is absolute temperature units, the bigger explanation heat absorptivity of the numerical value Can be better.In addition, by adding 0.5 part~2 parts of graphene, its coefficient of heat conduction can be effectively improved, and then improve institute State the heat absorption capacity of heat-sink shell.
Secondly, heat-sink shell contain mass parts be 2 parts~4.5 parts aluminium, 1 part~2.5 parts of magnesium, 0.5 part~0.8 part of nickel, 0.1 part~0.3 part of iron, 1.5 parts~4.5 parts of vanadium, 0.1 part~0.4 part of manganese, 0.5 part~0.8 part of titanium, 0.5 part~ 0.8 part of chromium and 0.5 part~0.8 part of vanadium vanadium.Relative to fine copper material, the ductility of heat-sink shell, toughness, intensity with And resistance to elevated temperatures is improved significantly, and not easy-sintering;So, when LED is installed on heat-sink shell, so that it may to prevent Only high temperature caused by LED causes to damage to heat-sink shell, also, can also with preferable ductility, toughness and intensity Prevent heat-sink shell from being caused to deform by excessive stresses when installing the LED.Wherein, heat-sink shell contains mass parts for 0.5 Part~0.8 part of nickel (Ni), the resistance to elevated temperatures of heat-sink shell can be improved.And for example, heat-sink shell contain mass parts for 1.5 parts~ 4.5 parts of vanadium (V) can suppress heat-sink shell crystal grain and grow up, and more uniform tiny grain structure be obtained, to reduce the crisp of heat-sink shell Property, improve the overall mechanical property of heat-sink shell, to improve toughness and intensity.And for example, heat-sink shell contain mass parts for 0.5 part~ 0.8 part of titanium (Ti), can cause the crystal grain miniaturization of heat-sink shell, to improve the ductility of heat-sink shell.
Finally, heat-sink shell also includes the silicon (Si) that mass parts are 0.8 part~15 parts, when heat-sink shell contains appropriate silicon, On the premise of heat-sink shell heat absorption capacity is not influenceed, the hardness and abrasion resistance of heat-sink shell can be effectively lifted.But through repeatedly reason Find by analysis and experiment evidence, when the quality of silicon in heat-sink shell is too many, such as mass percent is more than more than 15 parts, can make The appearance distribution black particles of heat-sink shell, and ductility reduces, and is unfavorable for the production shaping of heat-sink shell.
For example, the lighting apparatus of an embodiment of the present invention, wherein, the heat-sink shell of the radiating alloy, it includes The each component of following mass parts:
91 parts~91.5 parts of copper, 3 parts~4.5 parts of aluminium, 2 parts~2.5 parts of magnesium, 0.5 part~0.8 part of nickel, iron 0.1 part~0.3 Part, 1.5 parts~4.5 parts of vanadium, 0.1 part~0.4 part of manganese, 0.5 part~0.8 part of titanium, 0.5 part~0.8 part of chromium, vanadium 0.5 part~0.8 0.8 part~15 parts and 1.5 parts~2 parts part, silicon graphenes.
For example, the lighting apparatus of an embodiment of the present invention, wherein, the heat-sink shell of the radiating alloy, it includes The each component of following mass parts:
91 parts~91.5 parts of copper, 3 parts~4.5 parts of aluminium, 2 parts~2.5 parts of magnesium, 0.5 part~0.7 part of nickel, iron 0.1 part~0.2 Part, 3.5 parts~4.5 parts of vanadium, 0.1 part~0.3 part of manganese, 0.5 part~0.6 part of titanium, 0.5 part~0.6 part of chromium, vanadium 0.5 part~0.6 10 parts~15 parts and 1.5 parts~2 parts part, silicon graphenes.
For example, the lighting apparatus of an embodiment of the present invention, wherein, the heat-sink shell of the radiating alloy, it includes The each component of following mass parts:
91.5 parts of copper, 4.5 parts of aluminium, 2 parts of magnesium, 0.6 part of nickel, 0.2 part of iron, 3.5 parts of vanadium, 0.3 part of manganese, 0.5 part of titanium, chromium 0.5 10 parts and 2 parts part, 0.5 part of vanadium, silicon graphenes.
For example, the tubular radiating lamp of an embodiment of the present invention, wherein, the heat-conducting layer of the radiating alloy, its Include each component of following mass parts:
60 parts~65 parts of copper, 55 parts~60 parts of aluminium, 0.8 part~1.2 parts of magnesium, 0.2 part~0.5 part of manganese, titanium 0.05 part~0.3 0.3 part~0.5 part and 0.1 part~0.3 part part, 0.05 part~0.1 part of chromium, 0.05 part~0.3 part of vanadium, silicon graphene.
First, above-mentioned heat-conducting layer contains the copper and 55 parts~60 parts of aluminium that mass parts are 60 parts~65 parts, can cause The coefficient of heat conduction of heat-conducting layer is maintained at 320W/mK~345W/mK, described in ensureing that heat-conducting layer will can absorb as heat-sink shell Heat caused by LED is quickly transmitted to heat dissipating layer, and then prevents heat from being accumulated on heat-conducting layer, causes hot-spot phenomenon Produce.Relative to prior art, merely using price costly and the larger copper of quality, above-mentioned heat-conducting layer can both ensure soon The heat transfer of heat-sink shell to heat dissipating layer, is had lighter weight, is easily installed casting, the advantages of price is less expensive by speed again.Together When, relative to prior art, merely there is more preferably conductivity of heat using the poor aluminium alloy of radiating effect, above-mentioned heat-conducting layer Energy.
Next, by adding 0.1 part~0.3 part of graphene, can be greatly enhanced the heat conductivility of the heat-conducting layer, Preferably by the heat transfer passed over from heat-sink shell to heat dissipating layer.
Finally, heat-conducting layer contains the magnesium, 0.2 part~0.5 part of manganese, 0.05 part~0.3 that mass parts are 0.8 part~1.2 parts The titanium, 0.05 part~0.1 part of chromium, 0.05 part~0.3 part of vanadium and 0.3 part~0.5 part of silicon of part, so as to improve heat-conducting layer Mechanical performance and resistance to elevated temperatures, e.g., mechanical performance includes but is not limited to yield strength, tensile strength.For example, heat-conducting layer Containing the magnesium that mass parts are 0.8 part~1.2 parts, heat-conducting layer yield strength and tensile strength can be assigned to a certain extent, by In radiating alloy in the fabrication process, it is necessary to heat-sink shell, heat-conducting layer and heat dissipating layer entirety punching press are integrally formed, this just needs Heat dissipating layer has stronger yield strength, to prevent heat dissipating layer from producing irreversible shape by favourable opposition compression in process Become, and then ensure the proper heat reduction performance of radiating alloy.When the relative mass of magnesium is too low, e.g., when mass parts are less than 0.8 part, It can not substantially ensure that the yield strength of heat-conducting layer meets to require, however, when the relative mass of magnesium is too high, such as mass parts are more than At 1.2 parts, the ductility and heat conductivility dramatic decrease of heat-conducting layer can be caused again.For example, heat-conducting layer contains mass parts for 0.2 Part~0.8 part of iron, the higher resistance to elevated temperatures of heat-conducting layer and high temperature resistant mechanical performance can be assigned, beneficial to the processing of heat-conducting layer Casting.
For example, the tubular radiating lamp of an embodiment of the present invention, wherein, the heat dissipating layer of the radiating alloy, its Include each component of following mass parts:
88 parts~93 parts of aluminium, 5.5 parts~10.5 parts of silicon, 0.3 part~0.7 part of magnesium, 0.05 part~0.3 part of copper, 0.2 part of iron~ 0.8 part, 0.2 part~0.5 part of manganese, 0.05 part~0.3 part of titanium, 0.05 part~0.1 part of chromium, 0.05 part~0.3 part of vanadium and 5 parts~15 Part graphene.
First, above-mentioned heat dissipating layer contains the aluminium that mass parts are 88 parts~93 parts, can cause the coefficient of heat conduction of heat dissipating layer Be maintained at 200W/mK~220W/mK, when heat caused by LED by heat-sink shell and heat conduction layer segment radiating after, it is remaining When heat passes to heat dissipating layer by heat-conducting layer again, heat dissipating layer may insure to dissipate these remaining heats by consistent Walk, and then prevent heat from being accumulated on heat dissipating layer, cause hot-spot phenomenon.
Secondly, by adding 5 parts~15 parts of graphene, the heat dispersion of the heat dissipating layer can be effectively improved, is entered And the heat being transmitted to from the heat-conducting layer can be rapidly lost in the air dielectric in the external world.
Finally, heat dissipating layer contains the silicon, 0.3 part~0.7 part of magnesium, 0.05 part~0.3 that mass parts are 5.5 parts~10.5 parts The copper, 0.2 part~0.8 part of iron, 0.2 part~0.5 part of manganese, 0.05 part~0.3 part of titanium, 0.05 part~0.1 part of chromium of part And 0.05 part~0.3 part of vanadium, the heat dispersion of heat dissipating layer can be significantly improved.For example, heat dissipating layer contains mass parts is 5.5 parts~10.5 parts of silicon and 0.05 part~0.3 part of copper, it can be ensured that heat dissipating layer has good mechanical properties and lighter weight The advantages of, at the same time it can also further improve the heat-conductive characteristic of heat dissipating layer, further ensure that heat dissipating layer can will be via heat absorption Scatter away after-heat consistent after layer and heat-conducting layer transmission, and then prevent heat from being accumulated on heat dissipating layer, cause office Portion's superheating phenomenon.
In order to further improve the tensile strength of the heat dissipating layer, for example, it is 0.8 part that the heat dissipating layer, which also includes mass parts, ~1.2 parts of lead (Pb), so, can when the lead that heat dissipating layer contains 0.8 part~1.2 parts can improve the tensile strength of heat dissipating layer When striking out radiating fin, i.e. laminated structure to prevent that heat dissipating layer ought be cast, due to being pullled stress by excessive punching press And it is broken.
In order to further improve the high temperature oxidation resistance of the heat dissipating layer, for example, the heat dissipating layer also includes mass parts For 0.05 part~0.08 part of niobium (Nb), found through many experiments evidence and theory analysis, when the mass parts of niobium are more than 0.05 part When, the antioxygenic property of heat dissipating layer can be greatly enhanced, it will be understood that heat dissipating layer as in LED street lamp radiator with the external world The maximum part of air contact area, it requires higher to high temperature oxidation resistance.However, when the mass parts of niobium are more than 0.08 part When, the magnetic of heat dissipating layer can be caused to sharply increase, the miscellaneous part in tubular radiating lamp can be had an impact.
In order to further improve the heat dispersion of the heat dissipating layer, for example, heat dissipating layer also include mass parts be 0.05 part~ 0.2 part of germanium (Ge), when the mass parts of germanium are more than 0.05 part, preferable effect can be played to the raising of the heat dispersion of heat dissipating layer Fruit, however, when the quality accounting of germanium is excessive, such as when the mass parts of germanium are more than 0.2 part, the brittleness of heat dissipating layer can be made increase again.
Above-mentioned radiating alloy sets heat-sink shell, the heat-conducting layer and the heat dissipating layer by being sequentially overlapped, and described The heat-conductive characteristic of heat-sink shell, the heat-conducting layer and the heat dissipating layer successively decreases successively, forms heat-conductive characteristic gradient, compared to For fine copper material, on the premise of heat dispersion is ensured, weight is greatly lowered;Compared to a large amount of existing aluminium alloy of in the market For, heat dispersion greatly enhances.
It should be noted that the other embodiment of the present invention also includes, the technical characteristic in the various embodiments described above is mutually tied Close what is formed, the tubular radiating lamp that can implement.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (7)

  1. A kind of 1. tubular radiating lamp, it is characterised in that including:
    Lamp holder, the lamp holder have two contact pins;
    Enclosing cover,
    Lampshade, the lampshade are columnar structured, and the both ends of the lampshade are connected with the lamp holder and the enclosing cover respectively;
    Heat-dissipating cylinder, the heat-dissipating cylinder are hollow-core construction, and the both ends of the heat-dissipating cylinder are connected with the lamp holder and the enclosing cover respectively, And the heat-dissipating cylinder is placed in the lampshade, the madial wall of the heat-dissipating cylinder sets some thermal columns to inner side protrusion, some It is hollow-core construction that the thermal column, which radially distributes in the madial wall of the heat-dissipating cylinder, the thermal column, and the thermal column leans on The end of the nearly heat-dissipating cylinder is coarser than end of the thermal column away from the heat-dissipating cylinder, and the heat-dissipating cylinder is using radiating alloy system Standby to obtain, the radiating alloy includes the heat-sink shell, heat-conducting layer and heat dissipating layer for being sequentially overlapped setting;Wherein, the radiating alloy The heat-conducting layer, it includes each component of following mass parts:60 parts~65 parts of copper, 55 parts~60 parts of aluminium, magnesium 0.8 part~1.2 Part, 0.2 part~0.5 part of manganese, 0.05 part~0.3 part of titanium, 0.05 part~0.1 part of chromium, 0.05 part~0.3 part of vanadium, 0.3 part of silicon~ 0.5 part and 0.1 part~0.3 part graphene;The heat dissipating layer of the radiating alloy, it includes each component of following mass parts: 88 parts~93 parts of aluminium, 5.5 parts~10.5 parts of silicon, 0.3 part~0.7 part of magnesium, 0.05 part~0.3 part of copper, 0.2 part~0.8 part of iron, manganese 0.2 part~0.5 part, 0.05 part~0.3 part of titanium, 0.05 part~0.1 part of chromium, 0.05 part~0.3 part and 5 parts~15 parts graphite of vanadium Alkene;
    Some LEDs, some LEDs are arranged at the heat-dissipating cylinder, between adjacent two LEDs at intervals of 2mm~5mm.
  2. 2. tubular radiating lamp according to claim 1, it is characterised in that the thermal column includes cylindrical structure.
  3. 3. tubular radiating lamp according to claim 2, it is characterised in that some thermal columns are away from the LED One end be connected with each other.
  4. 4. tubular radiating lamp according to claim 3, it is characterised in that some through holes are offered on the thermal column.
  5. 5. tubular radiating lamp according to claim 4, it is characterised in that a diameter of 1mm~1.5mm of the through hole.
  6. 6. tubular radiating lamp according to claim 1, it is characterised in that between two adjacent LEDs It is divided into 3mm~4mm.
  7. 7. tubular radiating lamp according to claim 6, it is characterised in that between two adjacent LEDs It is divided into 3.5mm.
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CN105240792B (en) * 2015-09-24 2018-08-28 新沂城北新区城市建设发展有限公司 Horse race lamp
CN105240690B (en) * 2015-09-24 2018-06-05 惠州市华美特光电科技有限公司 Novel LED lamp
CN105240790B (en) * 2015-09-24 2018-05-08 郑桂云 Led lamp
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