CN104359058A - LED (light-emitting diode) lamp - Google Patents
LED (light-emitting diode) lamp Download PDFInfo
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- CN104359058A CN104359058A CN201410642848.4A CN201410642848A CN104359058A CN 104359058 A CN104359058 A CN 104359058A CN 201410642848 A CN201410642848 A CN 201410642848A CN 104359058 A CN104359058 A CN 104359058A
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- led lamp
- outer cover
- radiating segment
- heat radiation
- upper shell
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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
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides an LED (light-emitting diode) lamp, which comprises an outer cover and a luminous element accommodated in the outer cover, wherein the outer cover comprises an annular peripheral wall and a bottom wall arranged at one end of the peripheral wall; the luminous element is arranged on the surface, adjacent to the peripheral wall, of the bottom wall. The LED lamp also comprises an upper shell, wherein the upper shell comprises an annular radiation wall, a top wall arranged at one end of the radiation wall and a connecting part arranged at the opposite end of the radiation wall; the connecting part is formed by the extension of the end part, adjacent to the outer cover, of the radiation wall, and is fixedly attached to the surface, away from the peripheral wall, of the bottom wall of the outer cover. According to the LED lamp, by virtue of reasonable structural design and light source layout, the LED lamp is endowed with high radiation performance and radiation efficiency, and the invention can be applied to a high-power LED lamp; meanwhile, a conventional finned radiator is eliminated, so that the weight and the production cost of the LED lamp are reduced, an assembly process is simplified, and the LED lamp is attractive in overall appearance.
Description
Technical field
The present invention relates to a kind of lighting apparatus, particularly relate to a kind of LED lamp.
Background technology
Along with the progressively raising of great power LED light efficiency, LED lamp is widely used in lighting field, wherein adopts LED to have the technical characteristics such as energy-conservation, long-life as the light fixture of light source.But LED is the same with traditional light source, it also can produce heat during operation, and the number producing heat depends on the luminous efficiency of LED entirety.Specifically, LED element working life and operating temperature are inversely proportional to, and thus good heat radiation is the important step of LED lamp design.Current existing LED lamp all adopts centralized for LED lamp bead fixing layout structure, then by means of the LED fin slices radiator being specifically designed to heat radiation LED heat taken away and by fin to air exchange heat to reach the object of heat radiation.The problem of such design is: because LED lamp bead concentrates to be fixed on a relatively little area thick and fast, a large amount of heats due to synergistic effect raised temperature while too increase the difficulty of outside transferring heat, the not smooth bottleneck of heat dissipation channel is caused especially when high-power applications, simultaneously, owing to have employed, volume is large, the fin slices radiator of Heavy Weight also improves light fixture cost, in addition, in order to coordinate the installation of fin slices radiator, overall its aesthetic appearance also needs to design complicated structure and fin slices radiator is fixed and wraps up by shell.
Summary of the invention
In view of this, the invention provides a kind of LED lamp that can solve the problem.
For solving the problem, the invention provides a kind of LED lamp, it comprises outer cover and is contained in the light-emitting component in described outer cover, and described outer cover comprises annular perisporium and is located at the diapire of described perisporium one end; Described light-emitting component is arranged on the one side of the contiguous described perisporium of described diapire; Described LED lamp comprises the upper shell be connected away from the one side of described perisporium with described diapire further, described upper shell comprise annular heat radiation wall, be located at the roof of described heat radiation wall one end and be located at the connecting portion of described another opposite end of heat radiation wall; Described connecting portion is extended to form by the end of the contiguous described outer cover of described heat radiation wall, and the diapire of described connecting portion and described outer cover is fixed away from the one side of described perisporium.
Preferably, the diameter of described perisporium is increased towards another direction, opposite end gradually by the one end being close to described diapire.
Preferably, the diameter of described heat radiation wall is increased towards the extreme direction being provided with described connecting portion gradually by the one end being provided with described roof.
Preferably, described LED lamp also comprises the circuit board be arranged between described light-emitting component and described diapire, is provided with thermal interfacial material between described circuit board and described diapire.
Preferably, one end of the contiguous described roof of described heat radiation wall offers louvre.
Preferably, described heat radiation wall comprises the first radiating segment be connected with described connecting portion, by described first radiating segment away from the second radiating segment of one end bending extension of described connecting portion and by three radiating segment of described second radiating segment away from one end bending extension of described first radiating segment, described 3rd radiating segment is connected with described roof away from one end of described second radiating segment, described first radiating segment, described second radiating segment and described 3rd radiating segment are loop configuration, and one end that the diameter of described first radiating segment is close to described connecting portion by it reduces gradually towards the one end being close to described second radiating segment, one end that the diameter of described second radiating segment is close to described first radiating segment by it reduces gradually towards the one end being close to described 3rd radiating segment, the diameter of described 3rd radiating segment is reduced towards described roof gradually by one end of its contiguous described second radiating segment.
Preferably, the perisporium in described outer cover is the first heat dissipation path, and the heat radiation wall in described upper shell is the second heat dissipation path, and the ratio of described first heat dissipation path and described second heat dissipation path is 1:100 to 10:1.
Preferably, the ratio of described first heat dissipation path and described second heat dissipation path is 1:1.
Preferably, described LED lamp also comprises the heat radiation inner casing be placed in described upper shell or outer cover, and described heat radiation inner casing is loop configuration, and the one side that one end of described heat radiation inner casing and described diapire deviate from described light-emitting component is fixed.
Preferably, the roof of described upper shell offers opening portion, is stretched out by described opening portion described heat radiation inner shell sections, and described heat radiation inner casing stretch out described opening portion part on offer louvre.
Preferably, the quantity of described heat radiation inner casing is at least one.
A kind of LED lamp, it comprises a light-emitting component and a heat abstractor, described light-emitting component is dispelled the heat by described heat abstractor, this radiator comprises a upper shell and a lower house, described upper shell forms a loop configuration together with the lateral wall of lower house, and the diameter of this circulus increases toward lower house gradually from described upper shell; Described lower house extends internally out near one end of described upper shell a upper bottom portion, and described upper shell is fixedly connected with described upper bottom portion near one end of described lower house; Described light-emitting component is arranged on the side of upper bottom portion away from connecting portion.
Preferably, described connecting portion is an endless belt-shaped structure.
A kind of LED lamp, it comprises outer cover and is contained in the light-emitting component in described outer cover, the lower outer cover that described outer cover comprises outer cover on one and is connected with upper outer cover, described upper outer cover extends internally out near the end of lower outer cover a junction, described lower outer cover is fixedly connected with described connecting portion near the end of upper outer cover, and described light-emitting component is arranged on the side of described connecting plate away from upper outer cover.
The present invention has following beneficial effect:
Above-mentioned LED lamp is by rational structural design and source layout, the heat that light-emitting component is produced can be conducted fast by the element such as perisporium, upper shell, thus make LED lamp have excellent heat dispersion and radiating efficiency, can high-power LED lamp be applicable to.Meanwhile, owing to eliminating traditional fin slices radiator, reduce weight and the manufacturing cost of LED lamp, simplify assembly technology, and this LED lamp can be made to have overall aesthetic property.
Accompanying drawing explanation
Fig. 1 is the structural representation of LED lamp in first embodiment of the invention, is connected and fixed in wherein said upper shell between connecting portion and the diapire of outer cover by the mode of interference fit or spot welding.
Fig. 2 is the structural representation of LED lamp in first embodiment of the invention, and the mode by soldering between connecting portion and the diapire of outer cover in wherein said upper shell is connected and fixed.
Fig. 3 is the structural representation of LED lamp in first embodiment of the invention, and the mode be connected by screw between connecting portion and the diapire of outer cover in wherein said upper shell is connected and fixed.
Fig. 4 is the structural representation of LED lamp in first embodiment of the invention, is connected and fixed in wherein said upper shell between connecting portion and the diapire of outer cover by the mode of riveted joint.
Fig. 5 is the structural representation of LED lamp in second embodiment of the invention, be provided with a heat radiation inner casing, and described heat radiation inner casing is placed on described upper shell in wherein said upper shell.
Fig. 6 is the structural representation of LED lamp in second embodiment of the invention, be provided with a heat radiation inner casing, and described heat radiation inner shell sections stretches out in wherein said upper shell from the opening portion of described upper shell roof.
Fig. 7 is the structural representation of LED lamp in third embodiment of the invention, is provided with two heat radiation inner casings in wherein said upper shell.
Fig. 8 is the structural representation of LED lamp provided by the present invention, and the perisporium of wherein said outer cover is horn-like.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Refer to Fig. 1, first embodiment of the invention provides a kind of LED lamp 100, and it comprises outer cover 10 and is contained in the light-emitting component 20 in described outer cover 10.
Described outer cover 10 comprises annular perisporium 11 and is located at the diapire 12 of described perisporium 11 one end.Be appreciated that in the present embodiment, described outer cover 10 is preferably a barrel-like structure.Described perisporium 11 is positioned at the opposite end of described diapire 12, is the light out part of this LED lamp 100.The diameter of described perisporium 11 specifically can set according to the use occasion of this LED lamp 100, preferably, the diameter of described perisporium 11 is increased towards another direction, opposite end gradually by the one end being close to described diapire 12, that is, the cross section of perisporium 11 is reduced towards another opposite end gradually by the one end being provided with described light out part.Be appreciated that the shape of described perisporium 11 for horn-like, specifically can also can participate in Fig. 8.In the present embodiment, above-mentioned vibrational power flow meets the intrinsic custom that people use LED lamp, also can obtain wider Light distribation simultaneously, thus can be suitable for large area, the vertical or subvertical workplace of working face.The surfaces externally and internally of described outer cover 10 perisporium 11 is smooth surface, makes outer cover 10 in use, can carry out heat loss through radiation, that is, can improve the radiating efficiency of this LED lamp 100.The aesthetics of LED lamp 100 can be improved simultaneously, and can manufacturing cost be reduced.Further, for improving the heat-sinking capability of outer cover 10, described outer cover 10 is made up of the good material of heat radiation, as aluminium alloy, and pottery etc.In the present embodiment, preferably, described outer cover 10 is made up of aluminium alloy.
Described light-emitting component 20 is arranged on the one side of the contiguous described perisporium 11 of described diapire 12.Described light-emitting component 20 is the light source of this LED lamp 100, and preferably, the light source of described LED lamp 100 is high power light source, that is, the power of described LED lamp light source is greater than 40W.Described light-emitting component 20 comprises many lamp pearls, described many lamp pearls are arranged on described diapire 12 in the form of a ring, and described diapire 12 is less than 1/2nd of diapire 12 area by the area that many lamp pearls surround, light-emitting component 20 is distributed on diapire 12 dispersedly, thus to make each several part of outer cover 10 can to light-emitting component 20 Homogeneouslly-radiating.
Described LED lamp 100 comprises the upper shell 30 be connected away from the one side of described perisporium 11 with described diapire 12 further, and described upper shell 30 can be subdivided into again: the heat radiation wall 31 of annular, be located at the roof 32 of described heat radiation wall 31 one end and be located at the connecting portion 33 of described another opposite end of heat radiation wall 31.In the present embodiment, preferably, the diameter of described heat radiation wall 31 is increased towards the extreme direction being provided with described connecting portion 33 gradually by the one end being provided with described roof 32, the equal diameters of the diameter of one end of wherein said connecting portion 33 and the diapire of described outer cover.
In order to promote the heat radiation function of described upper shell 30, described heat radiation wall 31 can specifically be subdivided into again, comprise the first radiating segment 311 be connected with described connecting portion 33, by described first radiating segment 311 away from the second radiating segment 312 of one end bending extension of described connecting portion 33 and by three radiating segment 313 of described second radiating segment 312 away from one end bending extension of described first radiating segment 311, described 3rd radiating segment 313 is connected with described roof 32 away from one end of described second radiating segment 312, described first radiating segment 311, described second radiating segment 312 and described 3rd radiating segment 313 are loop configuration, and one end that the diameter of described first radiating segment 313 is close to described connecting portion 33 by it reduces gradually towards the one end being close to described second radiating segment 312, one end that the diameter of described second radiating segment 312 is close to described first radiating segment 311 by it reduces gradually towards the one end being close to described 3rd radiating segment 313, the diameter of described 3rd radiating segment 313 is reduced towards described roof 32 gradually by one end of its contiguous described second radiating segment 312.In the present embodiment, described second radiating segment 312 is preferably set to, and connects the horizontal circle disk-like structure of described first radiating segment 311 and the 3rd radiating segment 313.Like this, the LED lamp 100 that the present embodiment provides operationally, the heat that light-emitting component 20 luminescence produces is transferred to upper shell 30 from the diapire 12 of outer cover 10, and by dispel the heat the first radiating segment 311, second radiating segment 312 in wall 31 and the 3rd radiating segment 313 of upper shell 30, the heat in this LED lamp 100 is emitted in time successively.
Of course, in order to promote the heat radiation function of described upper shell 30 further, described upper shell 30 arranges louvre 3131 in the position of the 3rd radiating segment 313, makes this LED lamp 100 can carry out inner air and outer air exchange in use, and then improves this LED lamp radiating efficiency.
Described connecting portion 33 is extended to form by the end of the contiguous described outer cover 10 of described heat radiation wall 31, and described connecting portion 33 is fitted fixing with the diapire 12 of described outer cover 10 away from the one side of described perisporium 11.The diapire 12 being appreciated that described outer cover 10 is a circular plate-like shape structure, and its upper and lower surface is smooth surface.Described connecting portion 33 against or fit on the outer surface of described diapire 12, so that described upper shell 10 is fixed on described outer cover 10.Described upper shell 30, by the fixed form of its connecting portion 33 with the diapire 12 of described outer cover 10, has been convenient to fixing this upper shell 30, that is, has been facilitated the assembling of described upper shell 30 on diapire 12.Described outer cover 10 diapire 12 can be made again simultaneously maximum with the contact area of connecting portion 33, the heat on described diapire 12 can be conducted rapidly and dispel the heat to upper shell 30.Preferably, for making described diapire 12 obtain maximum contact area with connecting portion 33, the structure of described connecting portion 33 is corresponding with the structure of described diapire 12, that is, the surface of described connecting portion 33 is tightly fitted in the outer surface of described diapire 12.In the present embodiment, in order to cater to the theme of the LED lamp heat radiation that the present invention describes, the connecting portion 33 of described upper shell 30 is fixed with preferably adopting interference fit or the mode of welding between described perisporium 11, to obtain maximum thermocontact area, wherein said welding manner can be fixed for the mode of spot welding (see Fig. 1), soldering (see Fig. 2) or argon arc welding.Because described connecting portion 33 is fixed on perisporium 11 by the mode of interference fit or welding, the two is more sent out and is convenient to assembling.And select the mode of welding that the heat transfer between connecting portion 33 and diapire 12 can also be allowed better, welding material is now equivalent to thermal interfacial material, thus further increases the radiating efficiency of this LED lamp 100 pairs of light-emitting components 20.LED lamp in the present invention, in the application of reality, preferably selects the connected mode of interference fit or spot-welding technology.Be appreciated that, in other embodiments, according to different needs, the connecting portion 33 of described upper shell 30 can adopt screw to be connected (consulting Fig. 3) with the connected mode between described outer cover 10 diapire 12 or the mode of riveting (consulting Fig. 4) is connected and fixed.In order to upper shell 30 has good heat dispersion, described connecting portion 33 is one-body molded and be made up of the material with good heat radiating function with heat radiation wall 31.In the present embodiment, described connecting portion 33 and heat radiation wall 31 can be one-body molded and make by aluminium alloy.
Be appreciated that in the present embodiment, LED lamp 100 in use, the heat radiation wall 31 of its outer cover 10 perisporium 11 and upper shell 30 is the heat abstractors for dispelling the heat to this light-emitting component 20.Particularly, the perisporium 11 defined in described outer cover 10 is the first heat dissipation path H1, and the heat radiation wall 31 in described upper shell 30 is the second heat dissipation path H2, and the ratio of described first heat dissipation path H1 and described second heat dissipation path H1 is 1:100 to 10:1.When in the present embodiment during LED lamp 100 luminous operation, the heat that its light-emitting component 20 produces is by leaving along perisporium 11 and heat radiation wall 31 two ends after diapire 12, as from the foregoing, due to the sizableness of the H2 of the first heat dissipation path H1 and the second heat dissipation path, the two parts up and down making perisporium 11 be connected plate 30 isolation have balanced heat-sinking capability, and then improve the radiating efficiency of LED lamp 100 entirety.Preferably, the ratio of described first heat dissipation path H1 and described second heat dissipation path H2 is 1:1.
Carry out normal luminous and heat radiation to reach light-emitting component 20 in the present embodiment, described LED lamp 100 also comprises the circuit board 40 be arranged between described light-emitting component 20 and described diapire 12.Further, thermal interfacial material (not shown) is provided with between described circuit board 40 and described diapire 12, fill up the hole of microvoid and the surface irregularity produced when circuit board 40 engages with outer cover 10 diapire 12 or contacts, reduce heat transfer contact thermal resistance, improve the heat dispersion of circuit board 40 and diapire 12, so that the heat distributed by light-emitting component 20 is led fast to upper shell 30.The present embodiment is in the concrete process used, and circuit board 40 can adopt this thermal interfacial material of heat-conducting glue to be bonded in the side of diapire 12 towards perisporium 11.Be appreciated that in the present embodiment, the diapire 12 for fixing light-emitting component 20 can be circuit board 40.
For the ease of the use of the LED lamp 100 to the present embodiment, this LED lamp 100 also comprises hook 50, making this LED lamp 100 in use, can easily this LED lamp 100 being hung up by linking up with 50, for irradiating in the occasion corresponding to its outer cover 10 perisporium 11.Be appreciated that described hook 50 is located on the roof 32 of described upper shell 30.
Be appreciated that, in the present embodiment, LED lamp 100 operationally, the heat that its light-emitting component 20 produces when working conducts to diapire 12 by thermal interfacial material, conducts on the perisporium 11 of outer cover 10 and the heat radiation wall 31 of upper shell 30 carry out spreading, dispelling the heat via described diapire 12.Outwardly dispelled the heat by radiation mode and convection type in the surface of described perisporium 11 and heat radiation wall 31 simultaneously.Wherein determine that the entire thermal resistance that the heat dissipation path of LED lamp 100 radiating efficiency in the present embodiment exists equals heat dissipation path links thermal resistance sum.After LED lamp energising work enough time, under certain environment temperature and air velocities, LED lamp entirety can reach a thermal balance, the junction temperature liter of the LED lamp of the temperature difference Δ t meaning now between the temperature of the light-emitting component 20 of LED lamp and air, wherein LED lamp junction temperature rises lower, means that the life expectancy of LED is longer.
The factor risen with regard to affecting LED lamp junction temperature below does following analysis:
By the light-emitting component 20 of the known LED lamp of the above analysis to heat dissipation path to heat-delivery surface for being heat loss through conduction, dispel the heat by having radiation and these two kinds of modes of convection current LED lamp each heat-delivery surface to external environment, because different radiating modes relates to different influence factors and computational methods, discuss respectively below:
1, light-emitting component 20 to each heat-delivery surface of this LED lamp be to heat loss through conduction process in, affect the thermal conductivity factor, the sectional area of heat carrier, the length of heat-transfer path etc. four because have various heat sink material in the dissipated power of LED, heat dissipation path that junction temperature rises Δ t.So the temperature difference of this section of heat-transfer path can use equation expression:
Δt1＝L·Q1/K·A；
Wherein, Q1 represents the dissipated power of LED lamp, and unit is W; K represents thermal conductivity factor, and unit is W/m DEG C; A represents the sectional area of heat carrier, and unit is m
2; Δ t1 represents this section of heat-transfer path two ends temperature difference, and unit is DEG C; L represents heat-transfer path length, and unit is m.
The present embodiment have employed the placement scheme of dispersed placement of being tried one's best by light-emitting component 20, equivalence on the unit heat sink material wasted work rate Q1 that falls apart significantly is reduced, add the heat carrier sectional area of equivalence simultaneously, also making full use of structural design in addition makes the loose heat consumption of LED conduct heat, to reach better radiating effect to connecting plate 30 center and outer cover 10 with as far as possible equal distance.
2, by each heat-delivery surface of LED lamp in the link of function of environment heat emission, its convection type carries out affecting junction temperature in heat transfer and rises three factors such as the temperature difference because have the coefficient of heat transfer, effective heat exchange area, heat exchange surface and fluid of Δ t.Specifically can be as follows with following equation expression:
Δt2＝Q2/hc·A；
Wherein, Q2 represents heat loss through convection amount, and unit is W; Hc represents the coefficient of heat transfer, and unit is W/m
2a; A represents effective heat exchange area, and unit is m
2; Δ t2 represents heat exchange surface and fluid temperature difference, and unit is DEG C.
The present embodiment is because this enforcement is using the surfaces externally and internally of whole LED lamp as effective heat exchange area, and its area has been greater than traditional fin radiating structure, and therefore this structure has good heat loss through convection effect.The very effect considering heat loss through radiation of simultaneously traditional fin radiating structure not more, in fact, not far owing to being separated by between fin, the effect of heat loss through radiation is almost offset completely by the absorption of adjacent fin and inoperative, but in the LED lamp 100 of the present embodiment, the surfaces externally and internally due to whole LED lamp is smooth structure, therefore, heat loss through radiation also plays a significant role, and This further reduces junction temperature and rises Δ t.
In sum, in the present embodiment, LED lamp 100 takes full advantage of radiating principle and the layout of reasonable Arrangement LED and make use of the efficient radiator structure of member designs of the intrinsic LED lamp such as the perisporium 11 of described outer cover 10 and the heat radiation wall 31 of described upper shell 30, also reduces light fixture cost, simplifies assembly technology, maintains the aesthetic property that this LED lamp 100 has entirety effectively reducing while LED junction temperature rises Δ t.
Please refer to Fig. 5, Fig. 6, is the LED lamp 200 that second embodiment of the invention discloses, and it comprises outer cover 210, is contained in the light-emitting component 220 in described outer cover 210 and is connected on described outer cover 210, for the upper shell 230 dispelled the heat.
Relative to the LED lamp 100 that first embodiment of the invention provides, the LED lamp 200 that second embodiment of the invention provides, its structure & working mechanism is roughly the same, and the main distinction is: have additional one in the upper shell 230 of this LED lamp 200 and be placed in heat radiation inner casing 234 in described upper shell 230.Described heat radiation inner casing 234 is loop configuration, and the one side that one end of described heat radiation inner casing 234 and described diapire 212 deviate from described light-emitting component 220 is connected and fixed.In the present embodiment, preferably, the diameter of described heat radiation inner casing 234 reduces gradually toward the direction deviating from described outer cover 210.Described heat radiation inner casing 234 and described upper shell 230 interval are arranged.Wherein said heat radiation inner casing 234 according to demand, can be contained in described upper shell 230, or part is stretched out from opening portion 201 part of the roof 232 of described upper shell 230, and wherein said opening portion 201 is arranged on the roof 231 of described upper shell 230.Be appreciated that LED lamp provided by the present invention, the heat radiation inner casing be provided with also can be arranged to integral structure with diapire, of courses, and the heat radiation inner casing be provided with also can be placed in described outer cover.
On the diapire 211 of periphery 210, a heat radiation inner casing 234 upwards extended is devised in the present embodiment, the stack effect formed thus, it can produce thermal convection current in the process used, make because light-emitting component 220 hot-air produced that works conducts in described heat radiation inner casing 234, thus make LED lamp 200 have excellent heat dispersion and radiating efficiency, high-power LED lamp can be applicable to, and efficiently utilize the space of this LED lamp 200, ensure the aesthetic property of this LED lamp 200 entirety.
When the inner casing 234 that dispels the heat is contained in described upper shell 230, described hook 250 is fixed on the roof 232 of described upper shell 230; When described heat radiation inner casing 234 part stretches out described upper shell 230, described hook 250 is fixed on the top of described heat radiation inner casing 234.Described heat radiation inner casing 234 effectively can not only utilize space and take into account attractive in appearance, heat Quick diffusing can also be gone out.
Compared to the LED lamp 100 that first embodiment of the invention provides, the LED lamp 200 that second embodiment of the invention provides is extended with a heat radiation inner casing 234 due to described upper shell 230 towards the direction deviating from described light-emitting component 220, further increases the radiating effect of the LED lamp 200 provided described in second embodiment of the invention.
Please refer to Fig. 7, is the LED lamp 300 that third embodiment of the invention discloses.It comprises outer cover 310, is contained in the light-emitting component 320 in described outer cover 310 and is connected on described outer cover 310, for the upper shell 330 dispelled the heat.
Relative to the LED lamp 200 that second embodiment of the invention provides, the LED lamp 300 that third embodiment of the invention provides, its main distinction is: the LED lamp more than 300 that third embodiment of the invention provides has established the inner casing 334 that dispels the heat, one of them heat radiation inner casing 334 is arranged on the inside of upper shell 330, and another heat radiation inner casing 334 stretches out from opening portion 301 part of upper shell 330 roof 332.Be appreciated that the LED lamp 100 provided relative to the first embodiment, the LED lamp 300 that third embodiment of the invention provides also has excellent heat dispersion and radiating effect, heat can be emitted timely, be applicable to high-power LED lamp.
The foregoing is only preferred embodiment of the present invention, be not limited to the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (14)
1. a LED lamp, it comprises outer cover and is contained in the light-emitting component in described outer cover, it is characterized in that, described outer cover comprises annular perisporium and is located at the diapire of described perisporium one end; Described light-emitting component is arranged on the one side of the contiguous described perisporium of described diapire; Described LED lamp comprises the upper shell be connected away from the one side of described perisporium with described diapire further, described upper shell comprise annular heat radiation wall, be located at the roof of described heat radiation wall one end and be located at the connecting portion of described another opposite end of heat radiation wall; Described connecting portion is extended to form by the end of the contiguous described outer cover of described heat radiation wall, and the diapire of described connecting portion and described outer cover is fixed away from the one side of described perisporium.
2. LED lamp according to claim 1, is characterized in that, the diameter of described perisporium is increased towards another direction, opposite end gradually by the one end being close to described diapire.
3. LED lamp according to claim 1, is characterized in that, the diameter of described heat radiation wall is increased towards the extreme direction being provided with described connecting portion gradually by the one end being provided with described roof.
4. LED lamp according to claim 1, is characterized in that, described LED lamp also comprises the circuit board be arranged between described light-emitting component and described diapire, is provided with thermal interfacial material between described circuit board and described diapire.
5. LED lamp according to claim 1, is characterized in that, one end of the contiguous described roof of described heat radiation wall offers louvre.
6. LED lamp according to claim 1, it is characterized in that, described heat radiation wall comprises the first radiating segment be connected with described connecting portion, by described first radiating segment away from the second radiating segment of one end bending extension of described connecting portion and by three radiating segment of described second radiating segment away from one end bending extension of described first radiating segment, described 3rd radiating segment is connected with described roof away from one end of described second radiating segment, described first radiating segment, described second radiating segment and described 3rd radiating segment are loop configuration, and one end that the diameter of described first radiating segment is close to described connecting portion by it reduces gradually towards the one end being close to described second radiating segment, one end that the diameter of described second radiating segment is close to described first radiating segment by it reduces gradually towards the one end being close to described 3rd radiating segment, the diameter of described 3rd radiating segment is reduced towards described roof gradually by one end of its contiguous described second radiating segment.
7. LED lamp according to claim 1, it is characterized in that, perisporium in described outer cover is the first heat dissipation path, and the heat radiation wall in described upper shell is the second heat dissipation path, and the ratio of described first heat dissipation path and described second heat dissipation path is 1:100 to 10:1.
8. LED lamp according to claim 7, is characterized in that, the ratio of described first heat dissipation path and described second heat dissipation path is 1:1.
9. LED lamp according to claim 1, it is characterized in that, described LED lamp also comprises the heat radiation inner casing be placed in described upper shell or outer cover, and described heat radiation inner casing is loop configuration, and the one side that one end of described heat radiation inner casing and described diapire deviate from described light-emitting component is fixed.
10. LED lamp according to claim 9, is characterized in that, the roof of described upper shell offers opening portion, is stretched out by described opening portion described heat radiation inner shell sections, and described heat radiation inner casing stretch out described opening portion part on offer louvre.
11. LED lamp according to claim 9, is characterized in that, the quantity of described heat radiation inner casing is at least one.
12. 1 kinds of LED lamp, it comprises a light-emitting component and a heat abstractor, described light-emitting component is dispelled the heat by described heat abstractor, it is characterized in that, this radiator comprises a upper shell and a lower house, described upper shell forms a loop configuration together with the lateral wall of lower house, and the diameter of this circulus increases toward lower house gradually from described upper shell; Described lower house extends internally out near one end of described upper shell a upper bottom portion, and described upper shell is fixedly connected with described upper bottom portion near one end of described lower house; Described light-emitting component is arranged on the side of upper bottom portion away from connecting portion.
13. LED lamp according to claim 12, is characterized in that, described connecting portion be an endless belt-shaped structure.
14. 1 kinds of LED lamp, it comprises outer cover and is contained in the light-emitting component in described outer cover, it is characterized in that, the lower outer cover that described outer cover comprises outer cover on one and is connected with upper outer cover, described upper outer cover extends internally out near the end of lower outer cover a junction, described lower outer cover is fixedly connected with described connecting portion near the end of upper outer cover, and described light-emitting component is arranged on the side of described connecting portion away from upper outer cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410642848.4A CN104359058A (en) | 2014-11-14 | 2014-11-14 | LED (light-emitting diode) lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410642848.4A CN104359058A (en) | 2014-11-14 | 2014-11-14 | LED (light-emitting diode) lamp |
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| CN104359058A true CN104359058A (en) | 2015-02-18 |
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| CN201410642848.4A Pending CN104359058A (en) | 2014-11-14 | 2014-11-14 | LED (light-emitting diode) lamp |
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|---|---|---|---|---|
| CN105716013A (en) * | 2016-05-03 | 2016-06-29 | 苏州久荣光照明电器有限公司 | LED mining lamp |
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Address after: Room 411-45, C building, Zhejiang Science Park, 525 Xixi Road, Xihu District, Zhejiang, Hangzhou 310023, China Applicant after: Hangzhou high media Polytron Technologies Inc Address before: Room 411-45, C building, Zhejiang Science Park, 525 Xixi Road, Xihu District, Zhejiang, Hangzhou 310023, China Applicant before: HANGZHOU ZHIGAO MEDIA TECHNOLOGY CO., LTD. |
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Application publication date: 20150218 |