CN104235690A - LED (light-emitting diode) street lamp - Google Patents

LED (light-emitting diode) street lamp Download PDF

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Publication number
CN104235690A
CN104235690A CN201410461031.7A CN201410461031A CN104235690A CN 104235690 A CN104235690 A CN 104235690A CN 201410461031 A CN201410461031 A CN 201410461031A CN 104235690 A CN104235690 A CN 104235690A
Authority
CN
China
Prior art keywords
radiator
led
street lamp
light source
led street
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410461031.7A
Other languages
Chinese (zh)
Inventor
卢先贵
郑克勇
王俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING ZHENGXU LIGHTING EQUIPMENT Co Ltd
Original Assignee
CHONGQING ZHENGXU LIGHTING EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING ZHENGXU LIGHTING EQUIPMENT Co Ltd filed Critical CHONGQING ZHENGXU LIGHTING EQUIPMENT Co Ltd
Priority to CN201410461031.7A priority Critical patent/CN104235690A/en
Publication of CN104235690A publication Critical patent/CN104235690A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

The invention discloses an LED (light-emitting diode) street lamp, which comprises a lampshade, a radiator and at least one LED lamp bank, wherein the radiator is of a blocky structure; cooling fins are distributed on the side face of the radiator; a cooling flow channel penetrates each of the left side and the right side of the radiator; each LED lamp bank is evenly distributed on the lower surface of the radiator; the radiator is fixedly arranged in the lampshade. The LED street lamp disclosed by the invention is simple in structure and easy to process and can be conveniently combined with the traditional street lamp pole; by arranging the cooling fins and the cooling flow channels, the cooling effect is enhanced, and the problems that the radiator is locally overheated and cooling is not even are effectively solved; the LED lamp banks are distributed on the upper surface or the lower surface of the radiator, so that heat is further dispersed; the heat dissipation area of the radiator is fully utilized; meanwhile, light rays of the whole LED street lamp are evener, and the illuminating effect is promoted.

Description

LED street lamp
Technical field
The invention belongs to field of lighting devices, be specifically related to a kind of LED street lamp.
Background technology
LED is as energy-conserving and environment-protective, and the light source of green health, by promotion and application widely, but LED heating is higher, especially powerful application, heat dissipation problem directly affects the service life of LED light source equipment, limits applying of LED light source.Be applied in by LED light source on street lighting, adopt fan forced heat radiation difficulty large, cost is high, difficult in maintenance, therefore the design of radiator will directly affect service life and the illuminating effect of LED, and existing employing LED does in the street lamp device of light source, heat spreader structures used is complicated, install inconvenience, processing technology requires higher, and production cost is expensive, in simultaneously conventional high-power LED street lamp, LED light source caloric value is concentrated, and luminance nonuniformity, all have impact on result of use and the life-span of LED street lamp.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of structure simple, easy for installation, heat radiation is even and quick, the LED street lamp that Luminescence Uniformity is high, and concrete technical scheme is as follows:
A kind of LED street lamp, comprise lampshade (1), radiator (2) and at least one LED group (3), described radiator (2) is block structure, radiating fin (4) is distributed with in the side of this radiator (2), run through in the left and right sides of this radiator (2) and be provided with radiating flow passage (5), each described LED group (3) is evenly distributed on the lower surface of described radiator (1), and described radiator (2) is fixedly mounted in described lampshade (1).
The present invention is achieved in that and is arranged in lampshade (1) by radiator (2) by screw, lampshade (1) is fixedly connected on light pole by the mode such as screw or clamping, then the power supply of LED group (3) is connected, because the lower surface of LED group (3) held against heat sink, the heat that LED group (3) produces just is absorbed by radiator, and the radiating fin (4) being arranged on radiator (2) surrounding effectively expands the area of dissipation of radiator; Simultaneously under the effect of heat, extraneous cold air constantly can flow through radiating flow passage (5), heat exchange is carried out in circulation, because the middle part of radiator is the position that temperature is the highest, the setting of radiating flow passage, can reduce the temperature of LED group to greatest extent, and the office of avoiding produces hot-spot, ensure that it normally runs, increase the service life; LED group (3) is evenly distributed on the lower surface of radiator (1), has both disperseed heat generating spot, makes again whole LED street lamp luminosity more even.
To better implement the present invention, may further be:
Described lampshade (1) is made up of upper lamp shade (101) and lower lamp shade (102), described lower lamp shade (102) is provided with radiator installing frame (6), described radiator (2) is arranged on lower lamp shade (102) by this radiator installing frame (6), is furnished with thermal vias (7) in the back portion of described upper lamp shade (101).Radiator (2) is simple with lampshade (1) mounting means, convenient for maintaining is dismantled, also be convenient to combine with existing lampshade, existing street lamp is transformed, at the back of upper lamp shade (101), thermal vias (7) is set, radiator (2) and cool ambient air is made to carry out cold and hot exchange, form stack effect, the heat radiation of radiator (2) can be strengthened, simultaneously in the rainy day, rainwater washes away radiator (2) by thermal vias (7), the dust in cleaning radiator (2).
Described radiating fin (4) is longitudinally arranged on the side of described radiator (2), and be parallel to each other between this radiating fin (4), adopt in longitudinally arranging and can allowing and use, rainwater better washes away spreader surface, realizes automatic cleaning function, and radiating fin be arranged in parallel, processing technology is simple, overall rule, convenient installation, profile is also more attractive in appearance simultaneously.
Described LED group (3) comprises LED light source module (8), this LED light source module (8) is fixedly connected on the lower surface of described radiator (2), described LED light source module (8) is covered with light source cover (9), and this light source cover (9) is fixed on the lower surface of described radiator (2) by centring ring (10).Assembling and repair demolition conveniently, adopt centring ring (10) to be fixed light source cover (9), are connected firmly, ensure security of operation.
Described light source cover (9) is circular, or be square, optimum way is circular, easy to process, distribution of light is even, also can better combine with existing lampshade, be provided with water proof ring (11) between this light source cover (9) and described radiator (2), can prevent rainwater from destroying electric part, extend service life of the present invention.
Locating slot (12) is provided with at the lower surface of described radiator (2), described LED light source module (8) is arranged in described locating slot (12), and is provided with heat-conducting layer (13) on the contact surface of described LED light source module (8) with described locating slot (12).The setting of locating slot (12), its LED light source module (8) is located in its production process be more prone to, firmly LED light source module (8) can be limited in locating slot (12) simultaneously, can not slide easily, only screw or glue need be adopted just to achieve a fixed connection easily to LED light source module (8).
Described heat-conducting layer (13) is graphite flake, or is silicone grease coating, and LED light source module (8) can be made better with the heat transfer effect of radiator (2).
The contact surface of described LED group (3) with described radiator (2) was provided with line three-way hole, and the connection wire of described LED group (2) crosses line three-way hole through described.The connection wire of LED group (3) need not be bent and just can pass radiator (2) easily, structure is simple, also can save wire rod
Described radiator (1) adopts rectangle aluminium one-body molded, and processing technology is simple, and firmly overall, radiating effect is better.
Described radiating flow passage (5) is square through hole, and adopt square through hole and square radiator (2) to coordinate, processing technology is simple, can strengthen the dispersion to radiator (2) internal heat.
Beneficial effect of the present invention is: structure is simple, and handling ease, can combine with existing light pole easily, improve range of application of the present invention; The setting of radiating fin and radiating flow passage, strengthens radiating effect, effectively solves radiator hot-spot, the problem that heat radiation is uneven; Adopt multiple LED group to be uniformly distributed on a heat sink or lower surface, further by spread heat, utilize radiator heat-dissipation area fully, make whole LED street lamp light more even simultaneously, promote illuminating effect; Lampshade arranges thermal vias, strengthens radiator and extraneous cold and hot exchange further, rainwater can be used can to rinse heat radiation simultaneously, realize cleaning and dedusting function automatically.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of radiator and LED group in the present invention.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As depicted in figs. 1 and 2: a kind of LED street lamp, comprise lampshade 1, radiator 2 and three LED groups 3, wherein said lampshade 1 is made up of upper lamp shade 101 and lower lamp shade 102, described lower lamp shade 102 is provided with the radiator installing frame 6 of rectangle, described radiator 2 is arranged on lower lamp shade 102 by this radiator installing frame 6, is evenly distributed with thermal vias 7 at the back of described upper lamp shade 101;
Described radiator 2 is rectangular block shape structure for adopting aluminium one-body molded, and the side of this radiator 2 surrounding is distributed with radiating fin 4, and this radiating fin 4 is longitudinally arranged on the side of described radiator 2, and is parallel to each other between every sheet radiating fin 4; Run through in the left and right sides of this radiator 2 and be provided with square radiating flow passage 5, be evenly provided with three locating slots 12 at the middle part of the lower surface of radiator 2, each locating slot 12 was provided with line three-way hole, the distribution in strip of these three locating slots 12;
Described LED group 3 comprises LED light source module 8, this LED light source module 8 is fixedly connected in the locating slot 12 on the lower surface of radiator 2 by screw, and heat-conducting layer 13 is provided with between LED light source module 8 and locating slot 12, this heat-conducting layer 13 is graphite flake, the connection wire of this LED light source module 8 is passed by the line three-way hole of crossing bottom locating slot 12, described LED light source module 8 is covered with circular light source cover 9, between light source cover 9 and radiator 2, be provided with water proof ring 11, this light source cover 9 is fixed on the lower surface of described radiator 2 by centring ring 10 and water proof ring 11.

Claims (10)

1. a LED street lamp, comprise lampshade (1), radiator (2) and at least one LED group (3), it is characterized in that: described radiator (2) is block structure, radiating fin (4) is distributed with in the side of this radiator (2), run through in the left and right sides of this radiator (2) and be provided with radiating flow passage (5), each described LED group (3) is evenly distributed on the lower surface of described radiator (1), and described radiator (2) is fixedly mounted in described lampshade (1).
2. LED street lamp according to claim 1, it is characterized in that: described lampshade (1) is made up of upper lamp shade (101) and lower lamp shade (102), described lower lamp shade (102) is provided with radiator installing frame (6), described radiator (2) is arranged on lower lamp shade (102) by this radiator installing frame (6), is furnished with thermal vias (7) in the back portion of described upper lamp shade (101).
3. LED street lamp according to claim 1, is characterized in that: described radiating fin (4) is longitudinally arranged on the side of described radiator (2), and is parallel to each other between this radiating fin (4).
4. LED street lamp according to claim 1, it is characterized in that: described LED group (3) comprises LED light source module (8), this LED light source module (8) is fixedly connected on the lower surface of described radiator (2), described LED light source module (8) is covered with light source cover (9), and this light source cover (9) is fixed on the lower surface of described radiator (2) by centring ring (10).
5. LED street lamp according to claim 4, is characterized in that: described light source cover (9), for circular, is provided with water proof ring (11) between this light source cover (9) and described radiator (2).
6. LED street lamp according to claim 4, it is characterized in that: be provided with locating slot (12) at the lower surface of described radiator (2), described LED light source module (8) is arranged in described locating slot (12), and is provided with heat-conducting layer (13) on the contact surface of described LED light source module (8) with described locating slot (12).
7. LED street lamp according to claim 6, is characterized in that: described heat-conducting layer (13) is graphite flake, or is silicone grease coating.
8. LED street lamp according to claim 1, it is characterized in that: on the contact surface of described LED group (3) with described radiator (2), be provided with line three-way hole, the connection wire of described LED group (2) crosses line three-way hole through described.
9. LED street lamp according to claim 1, is characterized in that: described radiator (1) adopts rectangle aluminium one-body molded.
10. LED street lamp according to claim 1, is characterized in that: described radiating flow passage (5) is square through hole.
CN201410461031.7A 2014-09-11 2014-09-11 LED (light-emitting diode) street lamp Pending CN104235690A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410461031.7A CN104235690A (en) 2014-09-11 2014-09-11 LED (light-emitting diode) street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410461031.7A CN104235690A (en) 2014-09-11 2014-09-11 LED (light-emitting diode) street lamp

Publications (1)

Publication Number Publication Date
CN104235690A true CN104235690A (en) 2014-12-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
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CN (1) CN104235690A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105674150A (en) * 2016-01-31 2016-06-15 深圳市邦贝尔电子有限公司 Integral LED street lamp
CN105805709A (en) * 2016-05-13 2016-07-27 常州市宏硕电子有限公司 Heat dissipation LED lampshade
CN106369537A (en) * 2016-11-01 2017-02-01 刘贤平 Energy-saving LED street lamp capable of dissipating heat and removing dust
CN106931373A (en) * 2015-12-31 2017-07-07 深圳市邦贝尔电子有限公司 A kind of Novel LED street lamp
CN106931374A (en) * 2015-12-31 2017-07-07 深圳市清飞达能源科技有限公司 Led street lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201935076U (en) * 2011-01-26 2011-08-17 冠德科技(北海)有限公司 Light emitting diode (LED) streetlamp with good radiating function
CN102287686A (en) * 2011-07-05 2011-12-21 秦彪 Solid-state lighting lamp
CN203052407U (en) * 2012-12-20 2013-07-10 中山品上照明有限公司 Light-emitting diode (LED) track light
CN203336473U (en) * 2013-07-26 2013-12-11 中节能晶和照明有限公司 LED road lighting source module
CN204062707U (en) * 2014-09-11 2014-12-31 重庆正旭照明设备有限公司 Novel LED street lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201935076U (en) * 2011-01-26 2011-08-17 冠德科技(北海)有限公司 Light emitting diode (LED) streetlamp with good radiating function
CN102287686A (en) * 2011-07-05 2011-12-21 秦彪 Solid-state lighting lamp
CN203052407U (en) * 2012-12-20 2013-07-10 中山品上照明有限公司 Light-emitting diode (LED) track light
CN203336473U (en) * 2013-07-26 2013-12-11 中节能晶和照明有限公司 LED road lighting source module
CN204062707U (en) * 2014-09-11 2014-12-31 重庆正旭照明设备有限公司 Novel LED street lamp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106931373A (en) * 2015-12-31 2017-07-07 深圳市邦贝尔电子有限公司 A kind of Novel LED street lamp
CN106931374A (en) * 2015-12-31 2017-07-07 深圳市清飞达能源科技有限公司 Led street lamp
CN105674150A (en) * 2016-01-31 2016-06-15 深圳市邦贝尔电子有限公司 Integral LED street lamp
CN105805709A (en) * 2016-05-13 2016-07-27 常州市宏硕电子有限公司 Heat dissipation LED lampshade
CN106369537A (en) * 2016-11-01 2017-02-01 刘贤平 Energy-saving LED street lamp capable of dissipating heat and removing dust

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Application publication date: 20141224

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