CN201731360U - Novel LED street lamp with low cost, high efficiency heat dissipation and big power - Google Patents

Novel LED street lamp with low cost, high efficiency heat dissipation and big power Download PDF

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Publication number
CN201731360U
CN201731360U CN2010202072603U CN201020207260U CN201731360U CN 201731360 U CN201731360 U CN 201731360U CN 2010202072603 U CN2010202072603 U CN 2010202072603U CN 201020207260 U CN201020207260 U CN 201020207260U CN 201731360 U CN201731360 U CN 201731360U
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heat
metal
shell
lamp
led
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CN2010202072603U
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刘雪峰
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刘雪峰
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Abstract

The utility model discloses a novel LED street lamp with low cost, high efficiency heat dissipation and big power, which comprises a shell and a plurality of LED heat dissipation luminous integrated tube lamp beads series components which are arranged in the shell, wherein the shell is further provided with a reflector and a light-transmission body, each LED heat dissipation luminous integrated tube lamp beads series component comprises an LED flipped chip, a full-metal support and a glass lens, and the shell uses metal materials. At leas two fixing lamp metal heat conduction plates are arranged in the shell, the LED heat dissipation luminous integrated tube lamp beads series components are fixed in one of the fixing lamp metal heat conduction plate, radiators which have the same number with the LED heat dissipation luminous integrated tube lamp beads series components are further arranged between the two fixing lamp metal heat conduction plates, and each radiator upper and lower corresponds to the position of corresponding LED heat dissipation luminous integrated tube lamp beads series component and is connected by fixing lamp heat conduction metal screws. The novel LED street lamp has high efficiency, unique heat dissipation structure and high heat dissipation efficiency.

Description

Novel low-cost high-efficiency heat radiation large-power LED street lamp
Technical field
The utility model relates to a kind of street lamp, particularly relates to a kind of novel low-cost high-efficiency heat radiation large-power LED street lamp.
Background technology
At present, traditional LED large power road lamp, have following defective: the lamp pearl of (1) street lamp is installed on the pcb board, because pcb board is easy to generate poly-temperature, and is difficult for heat conduction and heat radiation, after the chip conduction is emitted light and heat, its heat is delivered to aluminium base by elargol, silica gel, is delivered to heat-dissipating casing by heat conductive silica gel again, the conduction process complexity, cause forming layer by layer thermal resistance, cause chip to produce junction temperature and light decay problem.Heat on the lamp pearl chip in time can't be passed, shortened the service life of lamp pearl greatly.General shell heat sink design is at the top of shell, and a lot of dusts and birds droppings etc. can be assembled in the top after installing, and shell not only can not be dispelled the heat rapidly, can form poly-temperature on the contrary, makes whole street lamp not reach designing requirement service life.
The utility model content
The purpose of this utility model provides a kind of novel low-cost high-efficiency heat radiation large-power LED street lamp, and the utility model structure uniqueness all adopts metal heat-conducting, does not use elargol solid brilliant, adopts low-temperature welding, has solved junction temperature of chip.Do not use heat-conducting silicon rubber, the solid lamp of PCB, and adopt the solid lamp of metal heat-conducting plate, solved the thermal resistance problem.Conduction process is simple, and radiating efficiency improves greatly, and described cover top portion is provided with at least 3 heat cross-ventilation holes, to improve the transmission speed of internal heat.Reduce cost significantly, reach the purpose that to popularize in an all-round way.
The technical solution of the utility model is: a kind of novel low-cost high-efficiency heat radiation large-power LED street lamp, comprise shell and be located at the interior heat-dissipating luminous one spot of a plurality of LED pearl series component of shell, also be provided with reflector and light penetrating object on the described shell, the heat-dissipating luminous one spot of described each LED pearl series component comprises LED flip-chip, all-metal support and glass lens, and described shell is a metal material; Be provided with at least two solid lamp metal heat-conducting plates in the described shell, the heat-dissipating luminous one spot of described LED pearl series component is fixed on one of them solid lamp metal heat-conducting plate, and, also be provided with and the consistent radiator of the heat-dissipating luminous one spot of described LED pearl series component quantity between the described two solid lamp metal heat-conducting plates, described each radiator is relative up and down with the corresponding heat-dissipating luminous one spot of LED pearl series component position and use solid lamp heat-conducting metal screw to connect.
LED flip-chip described in the utility model and all-metal support low-temperature welding constitute whole, and described all-metal support is fixed in the heat-dissipating luminous one spot of described LED pearl series component on the corresponding lamp metal heat-conducting plate admittedly by solid lamp heat-conducting metal screw; The two ends of described radiator are passed through solid lamp heat-conducting metal screw fixings respectively between two solid lamp metal heat-conducting plates.
Cover top portion described in the utility model is provided with at least three heat cross-ventilation holes, lays respectively at the both sides and the centre position of described cover top portion, and wherein, the heat cross-ventilation hole in the middle of being positioned at is simultaneously as the lamp stand fixing hole.
Solid lamp metal heat-conducting plate away from the heat-dissipating luminous one spot of LED pearl series component described in the utility model is adjacent with described heat cross-ventilation hole, and this solid lamp metal heat-conducting plate links to each other with the outer wall in described heat cross-ventilation hole.
In order further to strengthen radiating effect of the present utility model, also be provided with a plurality of heat-dissipating fins on the both sides outer wall of described shell, the heat-dissipating fin of shell both sides combines with the heat cross-ventilation hole of cover top portion, the heat of lamp interior can be transmitted rapidly and be dispersed in the air.
The length bearing of trend of heat-dissipating fin described in the utility model is parallel with the axis direction in described heat cross-ventilation hole, and an end of described heat-dissipating fin is located on the shell, and the other end stretches out and towards the light penetrating object lopsidedness from shell.
The beneficial effects of the utility model are:
(1) novel low-cost high-power LED street lamp of the present utility model, have low cost, efficient, unique radiator structure, the shell of street lamp and the support of chip all adopt metal material, and its inside also is provided with the two solid lamp metal heat-conducting plates that are respectively applied for fixed light pearl and radiator.After chip light emitting, heating, heat is led away by metallic support and solid lamp metal heat-conducting plate rapidly, and then the heat that chip produces is delivered to radiator rapidly by solid lamp heat-conducting metal screw, radiator is delivered to heat another solid lamp metal heat-conducting plate again, should in time be delivered to metal shell to heat by metallic screw by solid lamp metal heat-conducting plate, at last, metal shell all is dispersed into all heats in the air, and radiating efficiency improves greatly.The utility model has solved the fluorescent material attenuation problem of junction temperature, heat radiation and the glass lens of chip, thereby has prolonged the service life of lamp pearl greatly.
(2) both sides of shell of the present utility model are distributed with heat-dissipating fin, and the top is provided with 3 heat cross-ventilation holes, and the two combines, and has further improved the transmission speed of heat, the heat of lamp interior can be transmitted rapidly and be dispersed in the air.
(3) the utility model has saved pcb board and heat conductive silica gel, elargol, further simplified lamp pearl structure, adopt the solid lamp of solid lamp metal heat-conducting plate, heat conduction, the heat that makes whole light fixture is all in the metal inside transmission, and then make heat more promptly be dispersed in the air, production technology is simple, and machining period is short, constant product quality.
(4) the utility model has also adopted unique silicon rubber waterproof construction, can 3 times isolated water steam and dust, efficiently solve waterproof problem, assembling is simple, and is easy to maintenance.
Description of drawings
Fig. 1 is the cutaway view of the utility model embodiment, wherein, has saved the heat radiation splash guard;
Fig. 2 is the single led heat-dissipating luminous one spot pearl series component among Fig. 1 and the assembling enlarged diagram of radiator and one of them solid lamp metal heat-conducting plate;
Fig. 3 is that enlarged diagram is analysed and observe in the side-looking of the heat-dissipating luminous one spot of the LED among Fig. 2 pearl series component;
Fig. 4 is the assembling enlarged diagram of the heat-dissipating luminous one spot of a plurality of LED pearl series component among Fig. 1 and radiator and two solid lamp metal heat-conducting plates;
Fig. 5 is the cut-away view of outer cover among Fig. 1, wherein, has saved the heat radiation splash guard;
Fig. 6 is the front view of heat radiation splash guard of the shell of the utility model embodiment.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The specific embodiment of novel low-cost high-efficiency heat radiation large-power LED street lamp of the present utility model such as Fig. 1 one are shown in Figure 6, it comprises shell 1 and the heat-dissipating luminous one spot of a plurality of LED pearl series component of being located in the shell 12, also be provided with reflector 3 and light penetrating object 4 on the shell 1, the heat-dissipating luminous one spot of each LED pearl series component 2 comprises LED flip-chip 21, all-metal support 22 and glass lens 23, and shell 1 and all-metal support 22 are new material; Be provided with two solid lamp metal heat-conducting plates 5,6 in the shell 1, the heat-dissipating luminous one spot of LED pearl series component 2 is fixed on one of them solid lamp metal heat-conducting plate 5, and, also be provided with and the consistent radiator 7 of the heat-dissipating luminous one spot of LED pearl series component 2 quantity between the two solid lamp metal heat-conducting plates 5,6, each radiator 7 is relative up and down with the corresponding heat-dissipating luminous one spot of LED pearl series component 2 positions, and connects with solid lamp heat-conducting metal screw 9.In the present embodiment, shell 1 adopts aluminium alloy, and all-metal support 22 adopts the reflective heat conduction support of full bronze mirror face, Gu lamp metal heat-conducting plate 5,6 is the heat conduction aluminium sheet, glass lens 23 is the fluorescence quartz glass lens, and light penetrating object 4 adopts safety glass.The two ends of LED flip-chip 21 are connected to the both positive and negative polarity of conductive copper sheet 24 respectively by gold thread.The heat-dissipating luminous one spot of LED pearl series component 2 is a high-power LED heat radiation and light emission integrated pipe lamp pearl series component.
In the present embodiment, LED flip-chip 21 adopts low-temperature welding to constitute integral body with all-metal support 22, and all-metal support 22 is fixed in the heat-dissipating luminous one spot of LED pearl series component 2 on the corresponding lamp metal heat-conducting plate 5 admittedly by solid lamp heat-conducting metal screw 9; The two ends of radiator 7 are fixed between the two solid lamp metal heat-conducting plates 5,6 by solid lamp heat-conducting metal screw 9 respectively, be specially: the both sides of all-metal support 22 and middle part are equipped with the screw installation position, be that three solid lamp heat-conducting metal screws 9 are installed on the all-metal support 22 altogether, wherein, the two solid lamp heat-conducting metal screws 9 that are positioned at all-metal support 22 both sides pass solid lamp metal heat-conducting plate 5 and all-metal support 22 successively, and finally are fixed on the radiator 7; And the solid lamp heat-conducting metal screw 9 that is positioned at all-metal support 22 middle parts directly is fixed in ends of radiator 7 on the all-metal support 22, and the other end of radiator 7 links to each other with another solid lamp metal heat-conducting plate 6 away from the heat-dissipating luminous one spot of LED pearl series component 2 by solid lamp heat-conducting metal screw 9.
In the present embodiment, shell 1 top is provided with three heat cross-ventilation holes 10, lays respectively at the both sides and the centre position at shell 1 top, wherein, heat cross-ventilation hole 10 in the middle of being positioned at is simultaneously as the lamp stand fixing hole, and the heat cross-ventilation hole 10 that is positioned at both sides is in shell 1 symmetric arrangement.Solid lamp metal heat-conducting plate 6 away from the heat-dissipating luminous one spot of LED pearl series component 2 is adjacent with heat cross-ventilation hole 10, and this solid lamp metal heat-conducting plate 6 links to each other with the outer wall in heat cross-ventilation hole 10.Be specially: heat gas is provided with heat conduction supporting column 12 to discharge orifice 10 outer walls, Gu lamp metal heat-conducting plate 6 links to each other with heat conduction supporting column 12 by metal heat-conducting screw 8.
Also be provided with a plurality of heat-dissipating fins 13 on the both sides outer wall of shell 1, heat-dissipating fin 13 distributes in the shell bilateral symmetry, and, the length bearing of trend of heat-dissipating fin 13 is parallel with the axis direction in heat cross-ventilation hole 10, one end of heat-dissipating fin 13 is located on the shell 1, the other end stretches out and towards the safety glass lopsidedness from shell 1, to reach best radiating effect.
In the present embodiment, light penetrating object 4 is waterproof, and seals with silicon rubber 16.The left and right sides side of light penetrating object 4 is seal-installed on the both sides inwall of shell 1 by waterproof silicon rubber 16 respectively, and the front and back side of light penetrating object 4 is fixed on the front/rear end of shell 1 by the heat radiation splash guard 25 of metal material respectively.Be specially: be arranged with from inside to outside on the shell 1 both sides inwall convex edge 17, sealing plate 18 and locking convex edge 19 are installed, installation convex edge 17 and locking convex edge 19 all are connected as a single entity with shell 1; The outside of convex edge 17 and the inboard of sealing plate 18 are installed are respectively equipped with waterproof silicon rubber 16, locking convex edge 19 is provided with lock screw nail 20, the left and right sides side of light penetrating object 4 is located between the waterproof silicon rubber 16 that convex edge 17 and sealing plate 18 are installed, and it is fixing by lock screw nail 20, waterproof sealing is all carried out by waterproof silicon rubber 16 in the outside and the inside edge that are light penetrating object 4, and the outside of sealing plate 18 also is provided with specially is convenient to the groove that lock screw is followed closely 20 application of forces.And, be embedded with place's waterproof silicon rubber 16 on the outside of installation convex edge 17, the inboard of sealing plate 18 is embedded with two place's waterproof silicon rubber 16 altogether, and be staggeredly arranged with the waterproof silicon rubber of installing on the convex edge 17 16, thereby realize the purpose of three isolated water steams and dust, to reach best waterproof and sealing effectiveness.The heat radiation splash guard 25 by screw fixings on the front/rear end of shell 1.
In the present embodiment, shell 1 inwall is provided with the heat-conducting plate of symmetric arrangement convex edge 14 and heat-conducting plate mounting groove 15 is installed, the two ends overlap joint of one of them solid lamp metal heat-conducting plate 5 is fixed in heat-conducting plate installs 14 places, convex edge, the two ends plug-in mounting of another solid lamp metal heat-conducting plate 6 is fixed in the heat-conducting plate mounting groove 15, two solid lamp metal heat-conducting plates 5,6 are fixed in the shell 1 by metallic screw respectively, promptly two solid lamp metal heat-conducting plates 5,6 all directly contact with shell 1 inwall, to realize the quick transmission of heat.
When the LED large power road lamp of present embodiment was worked, its heat radiation flow process was as follows:
(1) all-metal support 22 passes to radiator 7 to the heat of LED flip-chip 21 rapidly;
(2) heat of glass lens 23 passes to shell 1 through the heat conduction aluminium sheet, and is dispersed in the air; The heat of radiator 7 passes to two solid lamp metal heat-conducting plates 5,6 rapidly through solid lamp heat-conducting metal screw 9, and further passes to shell 1, is dispersed in the air;
(3) heat-dissipating fin 13 of shell 1 and three heat cross-ventilation holes 10 all are dispersed into the heat that lamp interior passes in the air.
In sum: the light fixture that preferred enforcement of the present utility model constitutes, all belong to interest field of the present utility model, therefore, the light fixture according to the equivalent variations of being done of the utility model claim all belongs to the scope that the utility model is contained.

Claims (10)

1. novel low-cost high-efficiency heat radiation large-power LED street lamp, comprise shell (1) and be located at the interior heat-dissipating luminous one spot of a plurality of LED pearl series component (2) of shell (1), also be provided with reflector (3) and light penetrating object (4) on the described shell (1), it is characterized in that described each LED heat-dissipating luminous one spot pearl series component (2) comprises LED flip-chip (21), all-metal support (22) and glass lens (23), described shell (1) is a metal material; Be provided with at least two solid lamp metal heat-conducting plates (5,6) in the described shell (1), the heat-dissipating luminous one spot of described LED pearl series component (2) is fixed on one of them solid lamp metal heat-conducting plate (5), and, also be provided with the radiator (7) consistent with the heat-dissipating luminous one spot of described LED pearl series component (2) quantity between the described two solid lamp metal heat-conducting plates (5,6), described each radiator (7) is relative up and down with the corresponding heat-dissipating luminous one spot of LED pearl series component (2) position and use solid lamp heat-conducting metal screw (9) to connect.
2. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 1, it is whole to it is characterized in that described LED flip-chip (21) and its all-metal support (22) low-temperature welding constitute, and described all-metal support (22) is fixed in the heat-dissipating luminous one spot of described LED pearl series component (2) on the corresponding lamp metal heat-conducting plate (5) admittedly by solid lamp heat-conducting metal screw (9); The two ends of described radiator (7) are fixed between the two solid lamp metal heat-conducting plates (5,6) by solid lamp heat-conducting metal screw (9) respectively.
3. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 2 is characterized in that described shell (1) top is provided with at least three heat cross-ventilation holes (10).
4. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 3, it is characterized in that described shell (1) top is provided with three described heat cross-ventilation holes (10), lay respectively at the both sides and the centre position at described shell (1) top, wherein, be positioned at middle heat cross-ventilation hole (10) simultaneously as the lamp stand fixing hole.
5. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 4, it is characterized in that away from the solid lamp metal heat-conducting plate (6) of the heat-dissipating luminous one spot of described LED pearl series component (2) adjacent with described heat cross-ventilation hole (10), and this solid lamp metal heat-conducting plate (6) links to each other with the outer wall in described heat cross-ventilation hole (10).
6. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 5, it is characterized in that described heat gas is provided with heat conduction supporting column (12) to discharge orifice (10) outer wall, described solid lamp metal heat-conducting plate (6) links to each other with described heat conduction supporting column (12) by metal heat-conducting screw (8).
7. according to any described novel low-cost high-efficiency heat radiation large-power LED street lamp in the claim 1 to 6, it is characterized in that also being provided with a plurality of heat-dissipating fins (13) on the both sides outer wall of described shell (1).
8. according to any described novel low-cost high-efficiency heat radiation large-power LED street lamp in the claim 7, the length bearing of trend that it is characterized in that described heat-dissipating fin (13) is parallel with the axis direction in described heat cross-ventilation hole (10), one end of described heat-dissipating fin (13) is located on the shell (1), and the other end stretches out and towards light penetrating object (4) lopsidedness from shell (1).
9. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 7 is characterized in that described light penetrating object (4) is waterproof, and seals with silicon rubber (16).
10. novel low-cost high-efficiency heat radiation large-power LED street lamp according to claim 1 is characterized in that described two solid lamp metal heat-conducting plates (5,6) are fixed in the shell (1) by metallic screw respectively.
CN2010202072603U 2010-05-28 2010-05-28 Novel LED street lamp with low cost, high efficiency heat dissipation and big power Expired - Lifetime CN201731360U (en)

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Application Number Priority Date Filing Date Title
CN2010202072603U CN201731360U (en) 2010-05-28 2010-05-28 Novel LED street lamp with low cost, high efficiency heat dissipation and big power

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Application Number Priority Date Filing Date Title
CN2010202072603U CN201731360U (en) 2010-05-28 2010-05-28 Novel LED street lamp with low cost, high efficiency heat dissipation and big power

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858543A (en) * 2010-05-28 2010-10-13 刘雪峰 Novel low-cost high-efficiency heat radiation large-power LED street lamp and production process thereof
CN102506351A (en) * 2011-11-01 2012-06-20 西安金诺光电科技有限公司 LED flat-panel lighting device
CN107975757A (en) * 2017-11-30 2018-05-01 安徽西马新能源技术有限公司 A kind of LED car lamp with radiator structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858543A (en) * 2010-05-28 2010-10-13 刘雪峰 Novel low-cost high-efficiency heat radiation large-power LED street lamp and production process thereof
CN101858543B (en) * 2010-05-28 2012-06-27 刘雪峰 Novel low-cost high-efficiency heat radiation large-power LED street lamp and production process thereof
CN102506351A (en) * 2011-11-01 2012-06-20 西安金诺光电科技有限公司 LED flat-panel lighting device
CN107975757A (en) * 2017-11-30 2018-05-01 安徽西马新能源技术有限公司 A kind of LED car lamp with radiator structure

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20110202

Effective date of abandoning: 20120627