CN104100949A - Spiral radiator and LED lamp - Google Patents
Spiral radiator and LED lamp Download PDFInfo
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- CN104100949A CN104100949A CN201410361081.8A CN201410361081A CN104100949A CN 104100949 A CN104100949 A CN 104100949A CN 201410361081 A CN201410361081 A CN 201410361081A CN 104100949 A CN104100949 A CN 104100949A
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Abstract
The invention relates to a spiral radiator and an LED lamp; the spiral radiator comprises at least one supporting frame which is of a hollow spiral structure, and a heat dissipation cavity is formed in the supporting frame. The side wall of the supporting frame is provided with a plurality of through holes. A reflecting layer is arranged on the inner side wall of the supporting frame. A plurality of installation positions are arranged in the supporting frame. Through the arrangement of at least one supporting frame, the spiral radiator is concise in overall shape, and easy to assembly in actual application; the supporting frame is of the hollow spiral structure, and the heat dissipation cavity is formed in the supporting frame, so that heat generated by the LED lamp can be transferred to air in the heat dissipation cavity, and the heat can be further transferred to external air in a thermal convection manner through the plurality of through holes, thus being good in heat dissipation effect. The spiral radiator takes into account both shape and heat dissipation, and can be widely applied to the LED lamps in the field of illumination. In addition, the invention also discloses the LED lamp adopting the spiral radiator.
Description
Technical field
The present invention relates to LED lamp lighting field, particularly relate to a kind of helical radiator, and use the LED light fixture of this helical radiator.
Background technology
LED (Light Emitting Diode, light emitting diode), it can directly become visible ray by electric energy conversion efficiently, and has and reach tens thousand of hours～service life of 100,000 hours.Be widely used in the fields such as view, safety, special type and general lighting, market potential is beyond measure.
LED light fixture is with the advantage such as of fine quality, durable, energy-conservation and be called as the most frequently used lighting.But in current LED light fixture, playing main thermolysis is heat dissipation plate, the heat that LED lamp produces in the time of work is delivered on heat transfer disk, and further by heat dissipation plate, heat is delivered in extraneous air, and then heat is fallen apart, to ensure that LED lamp can continue normal work.
Traditional heat dissipation plate is discoid, because heat dissipation plate is directly exposed to the external world, the outward appearance that can affect on the one hand LED light fixture is aesthetic, on the other hand, the edge of heat dissipation plate is conventionally sharper, and very easily in use scratch user needs to establish a shell at heat dissipation plate outer cover in addition, aesthetic to ensure outward appearance, and prevent the edge accidental injury user that heat dissipation plate is sharp.But the extra shell increasing, can produce impact greatly to the heat radiation of LED lamp, has weakened the radiating effect of radiator.
In addition, simple dependence heat dissipation plate dispels the heat, and heat dissipation plate meeting overheap heat, causes hot-spot, is difficult for shedding, and radiating effect is also not ideal enough.
Summary of the invention
Based on this, be necessary to provide a kind of good heat dissipation effect, moulded helical radiator and the LED light fixture that is succinctly easy to assembling, other technologies scheme of the present invention, has also solved and has avoided glare phenomenon, technical problem that security performance is higher.
A kind of helical radiator, comprises at least one support frame;
Described support frame is hollow screw structure, forms a heat-dissipating cavity in described support frame;
On the sidewall of described support frame, offer several through holes;
On the madial wall of described support frame, be provided with reflecting layer;
Described support frame inside is provided with several installation positions.
In one of them embodiment, comprise two described support frames, and two described support frames are wound double-spiral structure mutually.
In one of them embodiment, each described through hole is evenly opened on the sidewall of described support frame.
In one of them embodiment, on the sidewall of described support frame, offer several to described through hole, and every pair of described through hole is positioned on the same diameter of a helix of the helical structure of described support frame.
In one of them embodiment, on described support frame, be wound around radiating wire is set along the helix of self helical structure.
In one of them embodiment, the pitch coefficient of the helical structure of described support frame is greater than the pitch coefficient of the helical structure of described radiating wire.
In one of them embodiment, described support frame comprises several radiating parts and is attached to several heat transfer parts on described radiating part, and radiating part and heat transfer part interval setting successively described in several described in several.
In one of them embodiment, the thickness of described radiating part is greater than the thickness of described heat transfer part.
In one of them embodiment, described reflecting layer is arranged on described heat transfer part.
A kind of LED light fixture, comprises arbitrary above-mentioned helical radiator, its each described in installation position one LED lamp is set.
Above-mentioned helical radiator is by arranging at least one support frame, moulded succinct, be easy in actual applications assembling, and support frame is hollow screw structure, and in support frame, form a heat-dissipating cavity, the heat that can make LED lamp produce is delivered in the air in heat-dissipating cavity, and further by several through holes, heat is delivered in outside air to good heat dissipation effect by the heat transfer type of thermal convection current.Above-mentioned helical radiator is taken into account moulding and heat radiation, can be widely used in the LED light fixture of lighting field.
Brief description of the drawings
Fig. 1 is the structural representation of the helical radiator of an embodiment of the present invention;
Fig. 2 is the distribution schematic diagram of the through hole shown in Fig. 1 on support frame;
Fig. 3 is the structural representation of the support frame of another embodiment of the present invention;
Fig. 4 is the partial cutaway diagram of the support frame shown in Fig. 1;
Fig. 5 is the structural representation of the LED light fixture of an embodiment of the present invention.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public concrete enforcement.
Refer to Fig. 1, helical radiator 10 comprises at least one support frame 100.Support frame 100 is hollow screw structure, so that interior formation one heat-dissipating cavity 110 of support frame 100, like this, the heat that the inner LED lamp of installing of helical radiator produces can be delivered in the air in heat-dissipating cavity 110, the heat that thereby LED lamp can be produced efficiently falls apart rapidly, good heat dissipation effect.In addition, helical radiator 10 is at least one support frame 100 Combined type integral structures, moulded succinct, is easy in actual applications assembling.
For the ease of the installation of LED lamp and obtain good radiating effect, for example, support frame 100 inside arrange several installation position (not shown), and for example, installation position is arranged on the madial wall of support frame 100.And for example, described installation position is that the madial wall of support frame 100 extends several extensions that arrange to described heat-dissipating cavity, and LED lamp is arranged at described in several on extension, is fully delivered in described heat-dissipating cavity for the heat that LED lamp is produced.Like this, be convenient to the installation of LED lamp and can obtain good radiating effect.
For example, internal diameter and the external diameter at the two ends of support frame 100 self helical structure are not identical, and support frame 100 one end are thick, and the other end is thin.In the time that support frame 100 is installed, thicker support frame 100 one end is arranged on the installing rack of LED light fixture or the installation site of outside, like this, can make the radiating effect of support frame 100 better, be easy to install.
In order further to strengthen the radiating effect of support frame 100, the heat producing with the LED lamp that efficiently falls apart rapidly, for example, the two ends of support frame 100 are all communicated with outside air, so that the heat of heat-dissipating cavity 110 inner accumulated can efficiently be delivered in outside air by the heat transfer type of thermal convection current rapidly.And for example, the two ends of support frame 100 have respectively the first opening and the second opening, described the first opening arranges supply fan, described the second opening arranges extraction fan, that is to say, the direction of rotation of the flabellum of described supply fan and described extraction fan, extraneous compared with the hot-air in cold air and then dilution circulation support frame 100 for pumping into fast, further play air thermal convection current radiating effect.Like this, can further strengthen the radiating effect of support frame 100, the heat producing with the LED lamp that efficiently falls apart rapidly, and then the normal work functions of guarantee LED lamp, to increase the service life of LED lamp.
Please continue to refer to Fig. 1, on the sidewall of support frame 100, offer several through holes 120.Be appreciated that, on the one hand, through hole 120 can be used as the effect of louvre, thereby the heat that heat-dissipating cavity 110 is gathered can efficiently be delivered in outside air by the heat transfer type of thermal convection current rapidly, like this, can further strengthen the radiating effect of support frame 100, the heat producing with the LED lamp that efficiently falls apart rapidly, and then the normal work functions of guarantee LED lamp, to increase the service life of LED lamp, on the other hand, through hole 120 can also be served as the effect of loophole, thereby the light that the LED lamp being arranged in support frame 100 is produced emits by through hole 120.
In order further to strengthen the radiating effect of through hole 120, for example, each through hole 120 is evenly opened on bracing frame 100, be that each through hole 120 is uniformly distributed on the position everywhere of support frame 100, for example, each through hole 120 distributes along the helix of support frame 100 self helical structure, and the line of each through hole 120 is second helix corresponding with the first helix of support frame 100 self helical structure.And for example, on the sidewall of support frame 100, offer some to described through hole, and every pair of described through hole is positioned on the same diameter of a helix of the helical structure of support frame 100, that is to say, refer to Fig. 2, wherein a pair of through hole 120a is all positioned on the outer vortex of helical structure of support frame 100, another is all positioned at through hole 120b on the inner vortex of helical structure of support frame 100, so that every pair of described through hole is when to extraneous transfer of air heat, can form air heat is conducted heat, greatly improve the radiating effect of described through hole.Like this, by changing the distribution mode of described through hole on support frame 100, can further strengthen the radiating effect of described through hole, the heat producing with the LED lamp that efficiently falls apart rapidly, and then the normal work functions of guarantee LED lamp, to increase the service life of LED lamp.
In order to increase the exit direction of the radiating effect of support frame 100, the utilization rate that improves LED lamp wiring and optimization LED lamp wiring, for example, refer to Fig. 4, on the madial wall of support frame 100, be provided with reflecting layer 160, for reflection, refraction and/or scattered beam; Like this, reflecting layer 160 can by be irradiated to light on the madial wall of support frame 100 after multiple reflections from penetrating by through hole 120, thereby can optimize the exit direction of LED lamp wiring, simultaneously, can also avoid the madial wall of the supported framework 100 of LED lamp wiring to absorb, thereby improve the utilization rate of LED lamp wiring.In addition, the heat producing can also normally work LED lamp in reflecting layer 160 time is to a certain degree reflecting, and be delivered in outside air by the opening at through hole 120 and support frame 100 two ends, thereby can avoid the sidewall taken in excess of the supported framework 100 of heat that LED lamp produces and the local thermal-arrest phenomenon that causes, and then increase the radiating effect of support frame 100.
And for example, described sidewall comprises spaced metal portion and plastic sheeting portion, and for example, the width of described metal portion is less than the width of described plastic sheeting portion.For example, described reflecting layer is arranged at described metal portion.And for example, each described through hole is arranged at described plastic sheeting portion.Like this, by plastic sheeting portion is set, contribute to improve light transmission; By metal portion is set, contribute to improve heat dispersion, and interval arranges metal portion and plastic sheeting portion, contribute to manufacture support frame light and handy, dimensionally stable.Reflecting layer is arranged at metal portion, and product processing is very convenient; Through hole is arranged at plastic sheeting portion, contributes to improve heat dispersion, and easily manufactured.
For LED lamp can be arranged in support frame 100, for example, on support frame 100, be provided with several installation position (not shown), for example, installation position is arranged on described reflecting layer, and for example, described in each, installation position all arranges towards through hole 120, so that the light that LED lamp penetrates can directly penetrate by through hole 120.Like this, can make LED lamp be arranged in support frame 100 by described installation position.And for example, described support frame inside is provided with several installation positions, described in each, installation position is used for fixing a LED lamp, and for example, described in each, the light direction of installation position is facing to described reflecting layer, be the light direction of installation position institute mounted LED lamp described in each facing to described reflecting layer, the position of offering of the installation site of LED lamp and described through hole is crisscross arranged; And for example, described support frame inside is provided with some to installation position, and every pair of installation position comprises two installation positions, lay respectively on the same diameter of helix of helical structure, and, like this, the light of each LED lamp is after described reflective layer reflects, refraction and/or scattering, penetrate from each through hole, like this, the technique effect reaching is again, need not additionally use lampshade, user can directly install and use, and can be used as various illuminating products and uses, such as lighting of home or commercial illumination etc.
In order further to strengthen the radiating effect of support frame 100, for example, support frame 100 is two, and two support frames 100 are wound double-spiral structure mutually.And for example, in double-spiral structure, the pitch of the first helical structure is less than the pitch of the second helical structure, like this, compared to single coil configuration, double-spiral structure can strengthen the brightness of illumination, makes described helical radiator under the prerequisite of guaranteeing radiating effect, have better illuminating effect.And, equal the double-spiral structure of the second helical structure pitch compared to common the first helical structure pitch, the first helical structure pitch is less than the double-spiral structure of the second helical structure pitch, on illuminating effect, more easily realize the structure at stereovision and even light sensation, can produce unconventional light fixture, between light and level, obtain artistic composition, be particularly applicable to artistic venue or lighting of home design.
And for example, support frame 100 is three, linearly shape arrangement or rounded projections arranged of three support frames 100, and for example, three support frame parts are crisscross arranged, and the helical structure of each described support frame is staggered at least partly, make the projection in a certain plane there is overlapping region, like this, can obtain more uniform illuminating effect, be applicable to room lighting and use.And for example, support frame 100 is six, and six support frames 100 are cirque structure and arrange.Like this, according to the heat of the quantity of LED lamp (not shown) and generation number, by optimizing the positional alignment of several helical radiators 10, can realize better illumination and radiating effect.
For example, refer to Fig. 3, the structural representation of its support frame 100a that is another embodiment of the present invention, internal diameter and the external diameter at the two ends of support frame 100a self helical structure are all identical, like this, can improve the heat radiation specific area in support frame 100a, can play the effect that strengthens support frame 100a radiating effect, meanwhile, can also be in support frame 100a the more described installation position of magnitude setting, thereby can improve the quantity of LED lamp in support frame 100a, to increase brightness.
In order further to strengthen the radiating effect of support frame 100, for example, on support frame 100, be wound around radiating wire (not shown) is set along the helix of self helical structure, and for example, described radiating wire comprises some the monofilament that mutually kink, and some support bars are set between each monofilament, and the zone line of each monofilament mutually kinking forms a porous cavity, be similar to the double-spiral structure of DNA, contribute to like this to strengthen the radiating effect of support frame.And for example, described radiating wire is some, between some described radiating wires, be provided with interval, so that some described radiating wires are on the surface that network structure is distributed in support frame 100, thereby can reduce the interference that some described radiating wires produce each other in the time of heat radiation, meanwhile, also can make heat that support frame 100 absorbs more Transmit evenly to described radiating wire.And for example, the pitch coefficient of the helical structure of described radiating wire is less than the pitch coefficient of the helical structure of support frame 100, to increase the dense degree of described radiating wire, thereby increases the heat radiation specific area of described radiating wire.Like this, can further strengthen the radiating effect of support frame 100.
In order further to strengthen the radiating effect of radiating wire, for example, described radiating wire is capillary heat pipe, and for example, the caliber of described capillary heat pipe is 1.8mm～2.2mm, fills refrigerant in it, for example, described refrigerant is R415B or R134a, and the siphonage producing based on described capillary heat pipe self is carried out heat conduction, can further strengthen the radiating effect of radiating wire.
Refer to Fig. 4, support frame 100 comprises several radiating parts 140 and is attached to several heat transfer parts 150 on radiating part 140, and several radiating parts 140 and several heat transfer parts 150 interval setting successively.Like this, first the heat that LED lamp produces passes to one radiating part 140, be delivered to another radiating part 140 by heat transfer part 150 more afterwards, in the transmittance process of heat, by being set, heat transfer part 150 can greatly improve the transfer rate of heat on support frame 100, thereby reduce the heat of LED lamp generation in the accumulation of support frame 100, avoided hot-spot phenomenon.Like this, by the synergy of radiating part 140 and heat transfer part 150, can make support frame 100 realize to conduct heat faster, heat radiation effect more timely, further strengthen the radiating effect of support frame 100.
In order further to strengthen the radiating effect of support frame 100, for example, radiating part 140 is aluminium alloy layer, and the thickness of described aluminium alloy layer is 2mm～5mm, heat transfer part 150 is copper alloy layer or silica gel layer, and the thickness of described silica gel layer is 0.8mm～1mm, the thickness of described copper alloy is 1mm～1.5mm, like this, can make radiating part 140 and heat transfer part 150 radiating effect that synergy produces mutually better, further to strengthen the radiating effect of support frame 100.
For example, the thickness of described radiating part is less than the thickness of described heat transfer part, and now, the radiating effect of support frame 100 is better.
Be appreciated that the coefficient of heat conduction that is less than described heat transfer part of the coefficient of heat conduction of described radiating part, can be conducive to so the mutual synergy that radiating part and heat transfer part produce, like this, the radiating effect that described radiating part and described heat transfer part produce is better.
In order further to strengthen the radiating effect of support frame 100, for example, reflecting layer 160 is arranged on heat transfer part 150, like this, can make the heat that reflecting layer 160 absorbs pass to quickly heat transfer part 150, thereby can further strengthen the radiating effect of support frame 100.
Above-mentioned helical radiator 10 is by arranging at least one support frame 100, moulded succinct, be easy in actual applications assembling, and support frame 100 is hollow screw structure, and at interior formation one heat-dissipating cavity 110 of support frame 100, the heat that can make LED lamp produce is delivered in the air in heat-dissipating cavity 110, and further by several through holes 120, heat is delivered in outside air to good heat dissipation effect by the heat transfer type of thermal convection current.Above-mentioned helical radiator 10 is taken into account moulding and heat radiation, can be widely used in the LED light fixture of lighting field.
In conjunction with helical radiator described in the above-mentioned arbitrary embodiment of application, another example is, a kind of LED light fixture comprises the helical radiator described in arbitrary above-described embodiment, its each described in installation position one LED lamp is set.Like this, the heat of the LED lamp in LED light fixture, can dissipate to extraneous air from helical radiator, and the light of LED lamp penetrates after the effect of described reflecting layer, can directly use as light fixture.
Based on above-mentioned each example, provide again the integrated LED lamp of the integrated above-mentioned each LED light fixture of a kind of scale below, for example, a kind of LED light fixture, comprises arbitrary above-mentioned helical radiator 10.For example, refer to Fig. 5, LED light fixture 20 comprises installing rack 30, several support frames 40, several LED lamp (not shown), lampshade 50 and electric wire.Several support frames 40 are arranged on installing rack 30, several LED lamps one by one correspondence are installed on support frame 40 the above installation position, lampshade 50 is arranged on installing rack 30, and accommodating support frame 40 and described LED lamp, described electric wire is electrically connected described in several LED lamp and is placed in institute's support frame 40.
Above-mentioned LED light fixture 20 is by arranging above-mentioned helical radiator, and LED lamp is arranged in helical radiator, heat LED lamp being produced by helical radiator dispels the heat, and radiating effect is better, with respect to traditional LED light fixture, the LED light fixture 20 of this case is without arranging in addition heat dissipation plate again, and security performance is higher.
For fear of glare phenomenon, for example, lampshade 50 is toughened glass lampshade, to increase light diffusing degree, its thickness is 8mm～10mm, like this, can make the light of LED lamp transmitting see through after lampshade 50, become more soft comfortable, thus avoided the generation of glare phenomenon, be conducive to the health of eyes.
In order further to increase the radiating effect of installing rack 30, for example, refer to Fig. 5, on installing rack 30, offer several louvres 31, and for example, several louvres 31 and the corresponding connection one by one of several support frames 40, like this, can will be delivered to heat in outside air support frame 40 quickly by louvre 31.
It should be noted that, other embodiment of the present invention also comprise, technical characterictic in the various embodiments described above mutually combines helical radiator and LED light fixture formed, that can implement, like this, can realize good heat dissipation effect, mouldedly succinctly be easy to assembling, and avoid the higher technique effect of glare phenomenon, security performance of LED light fixture.
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 helical radiator, is characterized in that, comprises at least one support frame;
Described support frame is hollow screw structure, forms a heat-dissipating cavity in described support frame;
On the sidewall of described support frame, offer several through holes;
On the madial wall of described support frame, be provided with reflecting layer;
Described support frame inside is provided with several installation positions.
2. helical radiator according to claim 1, is characterized in that, comprise two described support frames, and two described support frames is wound double-spiral structure mutually.
3. helical radiator according to claim 1, is characterized in that, each described through hole is evenly opened on the sidewall of described support frame.
4. helical radiator according to claim 1, is characterized in that, offer several to described through hole, and every pair of described through hole is positioned on the same diameter of a helix of the helical structure of described support frame on the sidewall of described support frame.
5. helical radiator according to claim 4, is characterized in that, on described support frame, is wound around radiating wire is set along the helix of self helical structure.
6. helical radiator according to claim 5, is characterized in that, the pitch coefficient of the helical structure of described support frame is greater than the pitch coefficient of the helical structure of described radiating wire.
7. helical radiator according to claim 6, is characterized in that, described support frame comprises several radiating parts and be attached to several heat transfer parts on described radiating part, and described in several radiating part and described in several heat transfer part arrange at interval successively.
8. helical radiator according to claim 7, is characterized in that, the thickness of described radiating part is greater than the thickness of described heat transfer part.
9. helical radiator according to claim 8, is characterized in that, described reflecting layer is arranged on described heat transfer part.
10. a LED light fixture, is characterized in that, comprises the arbitrary described helical radiator of claim 1 to 9, its each described in installation position one LED lamp is set.
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| CN201410361081.8A CN104100949B (en) | 2014-07-25 | 2014-07-25 | Spiral radiator and LED lamp |
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| CN201410361081.8A CN104100949B (en) | 2014-07-25 | 2014-07-25 | Spiral radiator and LED lamp |
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| CN104100949A true CN104100949A (en) | 2014-10-15 |
| CN104100949B CN104100949B (en) | 2017-01-18 |
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| CN105736973B (en) * | 2016-01-29 | 2019-04-02 | 东莞市闻誉实业有限公司 | Liquid-cooling LED illuminator |
| CN105674073B (en) * | 2016-01-29 | 2019-04-16 | 东莞市闻誉实业有限公司 | Circulation radiating type lighting device |
| CN105972551A (en) * | 2016-06-29 | 2016-09-28 | 左邦庆 | Bedside lamp |
| CN105972509A (en) * | 2016-06-29 | 2016-09-28 | 左邦庆 | Solar desk lamp |
| CN107701933A (en) * | 2017-09-26 | 2018-02-16 | 东莞市闻誉实业有限公司 | Heat loss through convection light fixture |
| CN107701933B (en) * | 2017-09-26 | 2019-11-05 | 东莞市闻誉实业有限公司 | Heat loss through convection lamps and lanterns |
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| CN104100949B (en) | 2017-01-18 |
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