CN103123061B - Light emitting diode (LED) lamp - Google Patents

Light emitting diode (LED) lamp Download PDF

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Publication number
CN103123061B
CN103123061B CN201310039131.6A CN201310039131A CN103123061B CN 103123061 B CN103123061 B CN 103123061B CN 201310039131 A CN201310039131 A CN 201310039131A CN 103123061 B CN103123061 B CN 103123061B
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China
Prior art keywords
cylindrical shell
radiator
fin
radiating fin
base
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CN201310039131.6A
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Chinese (zh)
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CN103123061A (en
Inventor
庞桂伟
唐义国
庞桂兑
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深圳市通普科技有限公司
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Priority to CN201310039131.6A priority Critical patent/CN103123061B/en
Publication of CN103123061A publication Critical patent/CN103123061A/en
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Abstract

A light emitting diode (LED) lamp comprises a radiator, a lamp holder connecting base, a lamp holder, an upper base seat and a lower base seat, wherein the lamp holder is fixed at one end of the lamp holder connecting base, the upper base seat and the lower base seat are respectively in detachable connection with two ends of the radiator, and the upper base seat is connected between the lamp holder connecting base and the radiator. The radiator is made of heat conduction material and comprises a barrel body, a plurality of support components, a plurality of first heat dissipation fins and a plurality of heat dissipation teeth, wherein two ends of the barrel body are open, a plurality of fixing holes are formed in two end faces of the barrel body and are used for being fixedly connected with the upper base seat and the lower base seat, the plurality of support components are evenly distributed on the outer wall of the barrel body, each support component comprises a support plate and a heat dissipation piece, the middle of each heat dissipation piece is in vertical connection with a side edge, opposite to the barrel body, of a corresponding support plate, a clamping groove used for installation of an LED lamp bar and a lamp cover is formed in the outer surface of each heat dissipation piece, the plurality of first heat dissipation fins are fixed on the outer wall of the barrel body, and the plurality of heat dissipation teeth are evenly distributed on two opposite surfaces of the first heat dissipation fins and the support plates. The LED lamp is good in heat dissipation performance.

Description

LED corn lamp
[technical field]
The present invention relates to a kind of light fixture, particularly relate to a kind of LED corn lamp.
[background technology]
LED is 21 century a kind of new type light source most with prospects, LED industry is considered in recent years one of industry with development potentiality most, everybody expects that LED enters general illumination market, become new lighting source, along with the initiation of Copenhagen meeting and low-carbon economy subject under discussion, LED generally will enter illumination market, and its production value is considerable.
The bottleneck Main Bottleneck of current restriction LED corn lamp development is heat radiation, and LED belongs to light emitting semiconductor device, and light emitting semiconductor device is along with the change of own temperature, and its characteristic meeting significant change, the rising of LED junction temperature can cause change and the decay of each device performance.The theoretical life-span of LED can reach 100,000 hours, in actual use, the junction temperature of LED is general all higher, statistics shows that the component failure of 70% causes because temperature is too high, temperature often raises 10 degrees Celsius, its life-span will reduce half, and the rising of LED temperature also can affect to luminous efficiency and glow color, such as dominant wavelength red shift, the reduction of fluorescent material efficiency etc.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of radiating efficiency high, lower-cost LED corn lamp.
A kind of LED corn lamp, it comprises: radiator, lamp holder connection base, lamp holder, top base and bottom base, described lamp holder is fixed on one end of described lamp holder connection base, described top base and bottom base removably connect with the two ends of described radiator respectively, and described top base is connected between described lamp holder connection base and described radiator;
Described radiator, is made up of Heat Conduction Material, and described radiator comprises:
Cylindrical shell, its both ends open, two end faces of described cylindrical shell are equipped with multiple fixing hole, and described multiple fixing hole is used for being fixedly connected with top base and bottom base;
Multiple support component, be evenly distributed on the outer wall of described cylindrical shell, each support component comprises:
Gripper shoe, one side is fixedly connected with the outer wall of described cylindrical shell, and arranges along the radial direction of described cylindrical shell;
Fin, side relative with described cylindrical shell with described gripper shoe in the middle part of it is vertical to be connected, and make described gripper shoe and described fin jointly form T-shaped structure, the outer surface of described fin is provided with draw-in groove, and described draw-in groove is for installing described LED lamp bar and lampshade;
Multiple first radiating fin, is fixed on the outer wall of described cylindrical shell, and arranges along the radial direction of described cylindrical shell, and described multiple first radiating fin is evenly distributed between described multiple support component;
Multiple radiation tooth, is evenly distributed on relative two surfaces of described first radiating fin and described gripper shoe;
Wherein, described gripper shoe is greater than the height of described radiating fin apart from the outer wall of described cylindrical shell apart from the height of the outer wall of described cylindrical shell, and described fin is protruded from outside described radiating fin.
Compared to traditional LED corn lamp, above-mentioned LED corn lamp at least has the following advantages:
(1) the cylindrical shell inside and outside wall of above-mentioned radiator is provided with radiating fin, to increase the surface area of radiator, improves the radiating efficiency of radiator.In addition, outer wall is provided with multiple support component for fixed L ED light source, multiple support component forms natural convection channel, and the distribution of the fin of support component arranges and meets aerodynamic principle completely, and conduction, convection current, radiation three kinds of thermaltransmission modes are well used.Therefore, the radiating efficiency of above-mentioned radiator is higher.
(2) relative two of the radiating fin of above-mentioned radiator and the gripper shoe of support component be equipped with radiation tooth on the surface, to improve the radiating efficiency of radiator, the effect of reinforcement can be played simultaneously, improve the structural strength of radiator.
Wherein in an embodiment, described radiator also comprises multiple second radiating fin, described multiple second radiating fin is located on the madial wall of described cylindrical shell equably, and arrange along the radial direction of described cylindrical shell, further, described second radiating fin is less than the height of described first radiating fin apart from the outer wall of described cylindrical shell apart from the height of the madial wall of described cylindrical shell.
Wherein in an embodiment, relative two surface uniforms of described second radiating fin are distributed with multiple described radiation tooth.
Wherein in an embodiment, each described support component also comprises multiple 3rd radiating fin, described multiple 3rd radiating fin is located at the inner surface of described fin, and lay respectively at the both sides of described gripper shoe, described multiple 3rd radiating fin increases apart from the height of described fin and reduces along with the spacing of described 3rd radiating fin and described gripper shoe.
Wherein in an embodiment, relative two surface uniforms of described 3rd radiating fin are provided with multiple described radiation tooth.
Wherein in an embodiment, the relative dual-side of the outer surface of described fin is respectively equipped with a T-shaped boss, and described T-shaped boss extends along the axis of described cylindrical shell, and described two T-shaped boss form described draw-in groove jointly.
Wherein in an embodiment, described radiator adopts aluminium alloy to make, and described radiator is formed by strip structure cutting, and described strip structure adopts aluminium extruded technological forming.
Wherein in an embodiment, the outer surface of described radiator forms one deck reflective film after anodized.
Wherein in an embodiment, described gripper shoe, fin, the first radiating fin are the axially extended elongate configuration along described cylindrical shell, and extend to the other end from one end of described cylindrical shell.
Wherein in an embodiment, described support component is eight, forms three described first radiating fins between every two described support components, and the spacing of the outer surface of every two relative support components is 80 millimeters.
[accompanying drawing explanation]
Fig. 1 is the exploded view of the LED corn lamp of embodiment of the present invention;
Fig. 2 is the assembly drawing of the LED corn lamp shown in Fig. 1;
Fig. 3 is the stereogram of the radiator of the LED corn lamp shown in Fig. 1;
Fig. 4 is the side view of the radiator shown in Fig. 3;
Fig. 5 is the front view of the radiator shown in Fig. 4.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the LED corn lamp 10 of embodiment of the present invention, comprises radiator 100, lamp holder connection base 210, lamp holder 220, top base 231, bottom base 233, first Transparent lamp shade 241, LED lamp bar 250, second Transparent lamp shade 242, PCB control panel 260, installing sleeve 270, plugboard 280 and power supply 290.
Refer to Fig. 3 to Fig. 5, radiator 100 is made up of Heat Conduction Material, for carrying the LED light source of LED corn lamp 10.Radiator 100 can adopt aluminium alloy or other highly heat-conductive materials to make.Such as, radiator 100 is formed by strip structure cutting, and strip structure adopts aluminium extruded technological forming.Owing to adopting the one-shot forming of aluminium extruded technique, the shaping rear radiator 100 being directly cut into Len req, enhances productivity, reduces the cost.
Further, the outer surface of radiator 100 forms one deck reflective film after anodized.Due to aluminium alloy good processability, improve heat emissivity coefficient by anodic oxidation, thus improve the thermal radiation capability on radiator 100 surface.
Radiator 100 comprises cylindrical shell 110, support component (figure does not mark), the first radiating fin 120 and radiation tooth 130.Support component and the first radiating fin 120 are located on described cylindrical shell 110, and support component is for carrying LED light source, and the first radiating fin 120 and radiation tooth 130 are for improving the radiating efficiency of radiator 100.
The both ends open of cylindrical shell 110, and two of cylindrical shell 110 end faces are equipped with multiple fixing hole 111.Multiple fixing hole 111 is for being fixedly connected with top base 231 and bottom base 233.Such as, fixing hole 111 is screw, and threaded fastener is through top base 231 or bottom base 233 is rear and this fixing hole 111 is spirally connected.
Concrete cylindrical shell 110 is cylindrical shell 110, the multipair lug 113 of the upper outside protrusion of its madial wall in the illustrated embodiment, and between often pair of lug 113, interval is arranged, and forms tool fixing hole 111 jaggy.Owing to adopting the lug 113 be located on the madial wall of cylindrical shell 110 to be spliced into this fixing hole 111, without the need in the direct perforate in the end of cylindrical shell 110, thus while cylindrical shell 110 is comparatively frivolous, ensure that cylindrical shell 110 has higher structural strength.
Support component is multiple, and is evenly distributed on the outer wall of cylindrical shell 110.Each support component comprises gripper shoe 140 and fin 150.
One side of gripper shoe 140 is fixedly connected with the outer wall of cylindrical shell 110, and arranges along the radial direction of cylindrical shell 110.Gripper shoe 140 can be elongate configuration.Specifically in the illustrated embodiment, gripper shoe 140 is long and narrow square plate, and its long limit is fixedly connected with the outer wall of cylindrical shell 110.
The middle part of fin 150 side relative with cylindrical shell 110 with gripper shoe 140 is vertical to be connected, gripper shoe 140 and fin 150 is made jointly to form T-shaped structure, the outer surface of fin 150 is provided with draw-in groove 151, and draw-in groove 151 is for installing LED lamp bar 250 and the lampshade (i.e. the first Transparent lamp shade 241) of LED corn lamp 10.Concrete fin 150 is long and narrow square plate in the illustrated embodiment, and its radial direction perpendicular to cylindrical shell 110 is arranged, and aligns with the axial line of symmetry of fin 150 in another long limit of gripper shoe 140.Spacing between multiple fin 150 is more than or equal to the width of fin 150, thus retains wider convection channel, improves the radiating efficiency of radiator 100.
Further, the relative dual-side of the outer surface of fin 150 is respectively equipped with a T-shaped boss 153, and T-shaped boss 153 extends along the axis of cylindrical shell 110, and two T-shaped boss 153 form draw-in groove 151 jointly.
Multiple first radiating fin 120 is fixed on the outer wall of cylindrical shell 110, and arranges along the radial direction of cylindrical shell 110.Multiple first radiating fin 120 is evenly distributed between multiple support component.Specifically in the illustrated embodiment, the first radiating fin 120 also can be long and narrow square plate, and the long limit of the first radiating fin 120 is fixedly connected with the outer wall of cylindrical shell 110.
Wherein, gripper shoe 140 is greater than the height of the outer wall of radiating fin distance cylindrical shell 110 apart from the height of the outer wall of cylindrical shell 110, fin 150 is protruded from outside radiating fin.
Multiple radiation tooth 130 is evenly distributed on relative two surfaces of the first radiating fin 120 and gripper shoe 140.The radiation tooth 130 being distributed in relative two surfaces can be interspersed, and also can be symmetrical arranged.Specifically in the illustrated embodiment, the radiation tooth 130 being distributed in relative two surfaces is symmetrical arranged.
Radiator 100 also comprises multiple second radiating fin 160, and multiple second radiating fin 160 is located on the madial wall of cylindrical shell 110 equably, and arranges along the radial direction of cylindrical shell 110.Further, the second radiating fin 160 is less than the height of the first radiating fin 120 apart from the outer wall of cylindrical shell 110 apart from the height of the madial wall of cylindrical shell 110.Specifically in the illustrated embodiment, the second radiating fin 160 also can be long and narrow square plate, and the long limit of the first radiating fin 120 is fixedly connected with the inwall of cylindrical shell 110.
Further, relative two surface uniforms of the second radiating fin 160 are distributed with this radiation tooth 130 multiple, thus improve the radiating efficiency of radiator 100 further.
Each support component also comprises multiple 3rd radiating fin 170, multiple 3rd radiating fins 170 are located at the inner surface of fin 150, and lay respectively at the both sides of gripper shoe 140, multiple 3rd radiating fin 170 increases with the spacing of gripper shoe 140 along with the 3rd radiating fin 170 apart from the height of fin 150 and reduces.Change sentence to speak, the 3rd radiating fin 170 near gripper shoe 140 is comparatively large apart from the height of fin 150, and the 3rd radiating fin 170 away from gripper shoe 140 is less apart from the height of fin 150.Specifically in the illustrated embodiment, the 3rd radiating fin 170 also can be long and narrow square plate, and wherein a long limit is connected with fin 150 is vertical.Gripper shoe 140 both sides respectively arrange two the 3rd radiating fins 170.
Further, relative two surface uniforms of the 3rd radiating fin 170 are provided with this radiation tooth 130 multiple, thus improve the radiating efficiency of radiator 100 further.
It should be noted that, gripper shoe 140, fin 150, first radiating fin 120, second radiating fin 160 and the 3rd radiating fin 170 can be all the axially extended elongate configuration along cylindrical shell 110, and extend to the other end from one end of cylindrical shell 110.In addition, quantity and the size of gripper shoe 140, fin 150, first radiating fin 120, second radiating fin 160 and the 3rd radiating fin 170 also can be arranged according to the actual requirements, such as, support component is eight, form three the first radiating fins 120 between every two support components, and the spacing of the outer surface of every two relative support components is 80 millimeters.
In the present invention, the shape of lamp holder connection base 210 is unrestricted.Please again consult Fig. 1 and Fig. 2, specifically in the illustrated embodiment in which, lamp holder connection base 210 is truncated cone-shaped.
Lamp holder 220 is fixed on one end of lamp holder connection base 210.Specifically in the illustrated embodiment in which, lamp holder 220 is fixed on the little head end of lamp holder connection base 210.Lamp holder 220 can be the screwed socket of type E40 or E49.
Top base 231 and bottom base 233 removably connect with the two ends of radiator 100 respectively, and top base 231 is connected between lamp holder connection base 210 and radiator 100.Specifically in the illustrated embodiment in which, screw screws togather with the fixing hole at the cylindrical shell two ends of radiator 100 respectively through top base 231, bottom base 233, thus top base 231 and bottom base 233 is fixedly connected with respectively with the two ends of cylindrical shell.
First Transparent lamp shade 241 is strip, and its relative dual-side is provided with the buckle 241a be held in the draw-in groove 151 of radiator 100, thus is detachably fixed on radiator 100 by the first Transparent lamp shade 241.
LED lamp bar 250 is provided with multiple LED illuminating module 251, and multiple LED illuminating module 251 is spaced along the length direction of LED lamp bar 250.The relative dual-side of LED lamp bar 250 is also held in the draw-in groove 151 of radiator 100, and wherein, LED lamp bar 250 is positioned at the below of the first Transparent lamp shade 241.
Second translucent cover is circular, and it is fixed on bottom base 233 one end away from radiator 100, and the second Transparent lamp shade 242 forms an electric chamber jointly with bottom base 233.
PCB control panel 260 is electrically connected with the LED illuminating module 251 of multiple LED lamp bar 250, and PCB control panel 260 is fixed in the electric chamber that the second Transparent lamp shade 242 and bottom base 233 formed.
Installing sleeve 270 is fixed on top base 231 one end away from radiator 100, and is contained in lamp holder connection base 210.Specifically in the illustrated embodiment in which, the cylindrical shell that installing sleeve 270 is one end open, one end is closed, the openend of installing sleeve 270 tips upside down on top base 231.
Plugboard 280 is fixed on top base 231, and is contained in installing sleeve 270.Power supply 290 is fixed on the outer surface of the blind end of installing sleeve 270.
With a wherein specific embodiment, the structure of the radiator 100 of above-mentioned corn lamp is described below.
The sectional dimension of the radiator 100 of LED corn lamp 10 is 80x80mm.Inner wall position cross section being positioned at cylindrical shell 110 has the fixing hole 111 of 4, facilitates the fixing of radiator 100 and top base 231 and bottom base 233 like this, just the two can be fixed by self-tapping screw.The inside and outside wall of cylindrical shell 110 is respectively equipped with the first radiating fin 120 and the second radiating fin 160 of array arrangement, first radiating fin 120 and the second radiating fin 160 are provided with multiple radiation tooth 130, while attractive in appearance, increase efficiently radiates heat area like this, fin length and thickness are all through the optimal value that accounting analysis draws.Have the 8 groups of support components stretched at the peripheral annular array of radiator 100, have draw-in groove 151 inside and outside on each fin 150, LED lamp bar 250 and PC lampshade all pass through this draw-in groove 151 to be fixed, and eliminates the loaded down with trivial details of screw locking.8 groups of support component annulars are uniform, and light so is out also more even; And the distribution of fin 150 arranges and meets aerodynamic principle completely, conduction, convection current, radiation three kinds of thermaltransmission modes are well used.
Lamp holder 220 is roughly rectangular screw-type, and concrete selection is any goes to select according to different national standards.First Transparent lamp shade 241 and LED lamp bar 250 are roughly long strip type, respectively have 8 circular arrays to be uniformly distributed, and by draw-in groove and buckle 241a, the first Transparent lamp shade 241 and LED lamp bar 250 are fixed on high-power self-cooling LED lamp radiator 100.Top base 231 and the high-power radiator 100 from dispelling the heat arranging porose position, by self-tapping screw, the two being coupled together.Lamp holder connection base 210 and top base 231 and installing sleeve 270 are coupled together by screw.Power supply 290 and plugboard 280 are positioned at the receiving space that three is formed.Corresponding bottom base 233, the PCB control panel 260 in radiator 100 bottom surface is arranged on bottom base 233, bottom base 233, PCB control panel 260 and radiator 100 is linked together by screw.LED illuminating module 251 is arranged in LED lamp bar 250, and multiple LED illuminating module 251 lamp forms LED light emitting array.Second Transparent lamp shade 242 is fixed together by silica gel and bottom base 233.Power supply 290 and plugboard 280 are arranged in top base 231, cavity between installing sleeve 270 and lamp holder connection base 210, plugboard 280 combines the electric leads in LED lamp bar 250 and PCB control panel 260, and the both positive and negative polarity after integration is connected with the output of power supply 290; Simultaneously power supply 290 input connects external power source 290, such as civil power by E27/E40/E39 lamp holder, and lamp holder 220 is designed to the universal standard, this structure installment easily, highly versatile, stable performance.
Above-mentioned radiator 100 is mainly through the Natural Heat Convection of air, and use aluminium alloy 6063 or highly heat-conductive material, its coefficient of heat conduction is higher, good processability, process for treating surface is comparative maturity also, improve heat emissivity coefficient by anodic oxidation, thus improve the thermal radiation capability on radiator 100 surface.In addition, the shell of above-mentioned LED radiator adopts the radiating fin of integrated ring shaped array, and the free convection that this radiator structure is also beneficial to air while attractive in appearance efficiently solves heat dissipation problem.
Compared to traditional LED corn lamp, above-mentioned LED corn lamp 10 at least has the following advantages:
(1) cylindrical shell 110 inside and outside wall of above-mentioned radiator 100 is provided with radiating fin, to increase the surface area of radiator 100, improves the radiating efficiency of radiator 100.In addition, outer wall is provided with multiple support component for fixed L ED light source, multiple support component forms natural convection channel, and the distribution of the fin 150 of support component arranges and meets aerodynamic principle completely, and conduction, convection current, radiation three kinds of thermaltransmission modes are well used.Therefore, the radiating efficiency of above-mentioned radiator 100 is higher.
(2) relative two of the radiating fin of above-mentioned radiator 100 and the gripper shoe 140 of support component be equipped with radiation tooth 130 on the surface, to improve the radiating efficiency of radiator 100, the effect of reinforcement can be played simultaneously, improve the structural strength of radiator 100.
(3) above-mentioned radiator 100 adopts aluminium extruded type technique mould, can one-shot forming, is directly cut into the length of needs after shaping, thus improves the production efficiency of radiator 100, reduces costs.Meanwhile, because the radiator 100 of different length can be formed in length cutting according to actual needs, to adapt to dissimilar LED corn lamp, avoid die sinking again, increase cost.
(4) LED lamp bar 250 is stripe shape, LED illuminating module 251 is arranged in LED lamp bar 250, by the draw-in groove of radiator 100, LED lamp bar 250 is fixed on radiator 100, LED lamp bar 250 is removably fixed on radiator 100, be convenient to change LED lamp bar 250.Further, power supply 290 is built-in, puts in pedestal 231, cavity between installing sleeve 270 and lamp holder 220, avoid power supply 290 to be subject to the heat effects of radiator 100 by power supply 290.
(5) by draw-in groove, LED lamp bar 250 is fixed on radiator 100, fill LED lamp bar 250 and lamp radiator 100 space therebetween with heat-conducting cream simultaneously, ensure that the good contact of LED lamp bar 250 and radiator 100, the heat being beneficial to LED illuminating module 251 generation is transmitted on radiator 100 by LED lamp bar 250 fast, and then by air flowing, heat is taken away, reduce the temperature of LED work timely and effectively, ensure that the work of LED long-term stability.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 (6)

1. a LED corn lamp, comprise: radiator, lamp holder connection base, lamp holder, top base and bottom base, described lamp holder is fixed on one end of described lamp holder connection base, described top base and bottom base removably connect with the two ends of described radiator respectively, and described top base is connected between described lamp holder connection base and described radiator;
Described radiator, is made up of Heat Conduction Material; It is characterized in that, described radiator comprises:
Cylindrical shell, its both ends open, two end faces of described cylindrical shell are equipped with multiple fixing hole, and described multiple fixing hole is used for being fixedly connected with described top base and bottom base;
Multiple support component, be evenly distributed on the outer wall of described cylindrical shell, each support component comprises gripper shoe and fin; Gripper shoe, one side is fixedly connected with the outer wall of described cylindrical shell, and arranges along the radial direction of described cylindrical shell; Fin, side relative with described cylindrical shell with described gripper shoe in the middle part of it is vertical to be connected, and make described gripper shoe and described fin jointly form T-shaped structure, the outer surface of described fin is provided with draw-in groove, and described draw-in groove is for installing described LED lamp bar and lampshade;
Multiple first radiating fin, is fixed on the outer wall of described cylindrical shell, and arranges along the radial direction of described cylindrical shell, and described multiple first radiating fin is evenly distributed between described multiple support component;
Multiple radiation tooth, is evenly distributed on relative two surfaces of described first radiating fin and described gripper shoe;
Wherein, described gripper shoe is greater than the height of described radiating fin apart from the outer wall of described cylindrical shell apart from the height of the outer wall of described cylindrical shell, makes described fin protrude from outside described radiating fin;
Multiple second radiating fin, described multiple second radiating fin is located on the madial wall of described cylindrical shell equably, and arrange along the radial direction of described cylindrical shell, further, described second radiating fin is less than the height of described first radiating fin apart from the outer wall of described cylindrical shell apart from the height of the madial wall of described cylindrical shell; Relative two surface uniforms of described second radiating fin are distributed with multiple described radiation tooth;
Described support component also comprises multiple 3rd radiating fin, described multiple 3rd radiating fin is located at the inner surface of described fin, and lay respectively at the both sides of described gripper shoe, described multiple 3rd radiating fin increases apart from the height of described fin and reduces along with the spacing of described 3rd radiating fin and described gripper shoe;
Relative two surface uniforms of described 3rd radiating fin are provided with multiple described radiation tooth;
Described LED corn lamp also comprises installing sleeve, and described installing sleeve is fixed on top base away from one end of radiator, and is contained in described lamp holder connection base; Power supply is fixed on the outer surface of the blind end of installing sleeve.
2. LED corn lamp as claimed in claim 1, it is characterized in that, the relative dual-side of the outer surface of described fin is respectively equipped with a T-shaped boss, and described T-shaped boss extends along the axis of described cylindrical shell, and described two T-shaped boss form described draw-in groove jointly.
3. LED corn lamp as claimed in claim 1, is characterized in that, described radiator adopts aluminium alloy to make, and described radiator is formed by strip structure cutting, and described strip structure adopts aluminium extruded technological forming.
4. LED corn lamp as claimed in claim 3, it is characterized in that, the outer surface of described radiator forms one deck reflective film after anodized.
5. LED corn lamp as claimed in claim 1, it is characterized in that, described gripper shoe, fin, the first radiating fin are the axially extended elongate configuration along described cylindrical shell, and extend to the other end from one end of described cylindrical shell.
6. LED corn lamp as claimed in claim 5, it is characterized in that, described support component is eight, forms three described first radiating fins between every two described support components, and the spacing of the outer surface of every two relative support components is 80 millimeters.
CN201310039131.6A 2013-01-31 2013-01-31 Light emitting diode (LED) lamp CN103123061B (en)

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CN102588785A (en) * 2012-02-08 2012-07-18 深圳市骅圣照明科技有限公司 LED energy-saving lamp
CN203176797U (en) * 2013-01-31 2013-09-04 深圳市通普科技有限公司 Led lamp

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