WO2014190873A1 - Led路灯 - Google Patents

Led路灯 Download PDF

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Publication number
WO2014190873A1
WO2014190873A1 PCT/CN2014/078226 CN2014078226W WO2014190873A1 WO 2014190873 A1 WO2014190873 A1 WO 2014190873A1 CN 2014078226 W CN2014078226 W CN 2014078226W WO 2014190873 A1 WO2014190873 A1 WO 2014190873A1
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WO
WIPO (PCT)
Prior art keywords
heat
led
cooling water
circulation
pipe
Prior art date
Application number
PCT/CN2014/078226
Other languages
English (en)
French (fr)
Inventor
岳铁刚
Original Assignee
Yue Tiegang
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 Yue Tiegang filed Critical Yue Tiegang
Priority to CN201480001498.1A priority Critical patent/CN104487764A/zh
Publication of WO2014190873A1 publication Critical patent/WO2014190873A1/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/08Lighting devices intended for fixed installation with a standard
    • F21S8/085Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/08Lighting devices intended for fixed installation with a standard
    • F21S8/085Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/56Cooling arrangements using liquid coolants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/60Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2101/00Point-like light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Definitions

  • the present invention relates to an LED lamp, and more particularly to an LED street lamp. Background technique
  • the existing high-power LED street lamps and LED street lamp chips have low heat dissipation efficiency, which affects the heat dissipation of the LED street lamp chip and reduces the service life of the LED street lamps.
  • the object of the present invention is to overcome the deficiencies of the prior art, to provide an LED street lamp, to use the circulating pipe, the cooling water and the heat sink to dissipate the heat of the LED chip, thereby improving the heat dissipation effect of the LED street lamp.
  • the LED street lamp comprises an LED, a heat sink and a casing
  • the LED comprises a chip and an aluminum substrate
  • the radiator comprises a hot water tank, a circulation pump, a fan, a circulation pipe, a heat dissipating fin, a sump And a one-way valve
  • the hot water tank is connected with the aluminum substrate of the LED
  • the hot water tank is connected with the circulation pipeline
  • the circulation pump is arranged on the circulation pipeline
  • the circulation pump is connected with the fan
  • the heat dissipation fin is wound around the circulation pipeline
  • the hot water tank is inside.
  • Cooling water is provided; the circulation pipe is connected with the one-way valve, the one-way valve is connected with the sump, the conduction direction of the one-way valve is directed to the circulation pipe by the sump, the cooling water is supplemented by the sump, or the rainwater is collected to supplement the cooling water;
  • the hot water tank is made of aluminum alloy.
  • the hot water tank is provided with a heat conducting plate and a heat sink.
  • the heat conducting plate is connected with the aluminum substrate of the LED1; the heat of the LED chip is transferred to the heat conducting plate through the aluminum substrate, and the heat conducting plate transfers heat to the cooling water and heat dissipation. sheet.
  • the working principle of the LED street lamp is: the LED street lamp is provided with a heat sink, the heat sink is provided with a heat sink and a heat dissipating fin, and the heat conduction plate of the radiator heat sink is used to transfer the heat of the LED chip to the heat sink, and the heat sink is used to dissipate the heat.
  • the LED street lamp is provided with a heat sink
  • the circulating pipe of the heat sink is provided with heat dissipating fins and a heat sink
  • the heat of the LED chip is radiated to the outdoor space by using the heat sink
  • the fan is rotated by the outdoor natural wind.
  • the fan is used to drive the circulating pump to rotate, and the circulating pump and the cooling water are used to transfer the heat to the circulating pipe and the heat dissipating fins, and the circulating pipe and the heat dissipating fins are used to dissipate the heat in the outdoor space; the heat dissipation efficiency of the LED street lamp is improved.
  • Figure 1 is a schematic view showing the structure of an LED street lamp. detailed description
  • FIG. 1 is a schematic structural view of an LED street lamp including an LED 1, a heat sink 2 and a casing 3; the LED 1 includes a chip 4 and an aluminum substrate 5, and the radiator 2 includes a hot water tank 6, a circulation pump 7, and a fan 8. a circulating pipe 9, a heat dissipating fin 10, a sump 11 and a check valve 12; the hot water tank 6 is connected to the aluminum substrate 5 of the LED 1, the hot water tank 6 is connected to the circulation pipe 9, and the circulation pump 7 is arranged on the circulation pipe 9.
  • the circulation pump 7 is connected to the fan 8, the heat dissipating fin 10 is wound around the circulation pipe 9, and the cooling water tank 6 is provided with cooling water 13; the circulation pipe 9 is connected to the check valve 12, and the check valve 12 is connected to the sump 11
  • the conduction direction of the check valve 12 is directed from the sump 11 to the circulation duct 9;
  • the suction hot water tank 6 is composed of an aluminum alloy, the heat absorption tank 6 is provided with a heat conduction plate 14 and a heat sink 15, and the heat conduction plate 14 and the aluminum substrate 5 of the LED 1
  • the heat of the LED 1 chip 4 is transferred to the heat conducting plate 14 via the aluminum substrate 5, and the heat conducting plate 14 transfers heat to the cooling water 13 and the heat sink 15.
  • the hot water tank 6 is provided with a heat dissipation cavity 16, the cooling water 13 is sealed in the heat dissipation cavity 16, the circulation pipe 9 is in communication with the heat dissipation cavity 16, and the circulation pipe 9 and the heat dissipation cavity 16 are filled and cooled.
  • the water suction tank 6 is provided with a water outlet joint 17 and a water return joint 18, and the circulation duct 9 includes a first circulation duct 19 and a second circulation duct 20, and one end of the first circulation duct 19 is connected to the water outlet joint 17, first
  • the circulation pipe 19 is connected to the water inlet 21 of the circulation pump 7, the water outlet 22 of the circulation pump 7 is connected to one end of the second circulation pipe 20, and the other end of the second circulation pipe 20 is connected to the water return joint 18;
  • the pump 7 and the hot water absorbing tank 6 constitute a circulation loop, and the heat of the aluminum substrate 5 of the LED 1 absorbed by the cooling water 13 of the hot water tank 6 transfers heat to the heat radiating fins 10 of the circulation duct 9 by the cooling water 13, and the circulation duct
  • the heat radiating fins 10 of 9 radiate heat into the space.
  • the circulating pump 7 is driven by the fan 8; the outer casing of the fan 8 is fixedly connected with the outer casing of the circulating pump 7, and the outer casing of the circulating pump 7 is fixedly connected with the circulating pipe 9, and the rotating shaft of the circulating pump 7 Connected to the power shaft of the fan 8, the fan 8 is driven to rotate by the fan 8.
  • the notch 23 of the sump 11 is upward to facilitate the replenishment of the cooling water to the hot water tank 6, or the rainwater is collected to replenish the cooling water tank 6 with the cooling water 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种LED路灯包括有LED(1)、散热器(2)以及外壳(3);LED(1)包括有芯片(4)以及铝基板(5),散热器(2)包括有吸热水箱(6)、循环泵(7)、风机(8)、循环管道(9)、散热翅片(10)、集水槽(11)以及单向阀(12);吸热水箱(6)设有导热板(14)以及散热片(15),利用散热片(15)将LED芯片(4)的热量散发于户外空间;同时,利用户外自然风驱动风机(8)转动,利用风机(8)带动循环泵(7)转动,利用循环泵(7)以及冷却水将热量传送到循环管道(9)以及散热翅片(10),利用循环管道(9)以及散热翅片(10)将热量散发于户外空间,提高了LED路灯的散热效率。

Description

LED路灯
技术领域
本发明涉及一种 LED灯, 特别是一种 LED路灯。 背景技术
现有的大功率 LED路灯, LED路灯芯片热量散发的效率较低, 影响了 LED路灯芯片热量的散发, 降低了 LED路灯的使用寿命。 发明内容
本发明的目的是克服现有技术的不足,提供 LED路灯,利用循环管道、 冷却水以及散热片将 LED芯片的热量散发出去,提高 LED路灯的散热效果。
本发明所采用的技术方案是: LED路灯包括有 LED、 散热器以及外壳; LED 包括有芯片以及铝基板, 散热器包括有吸热水箱, 循环泵、 风机、 循 环管道、 散热翅片、 集水槽以及单向阀; 吸热水箱与 LED的铝基板连接, 吸热水箱与循环管道连接, 循环泵设于循环管道上, 循环泵与风机连接, 散热翅片绕在循环管道上, 吸热水箱内设有冷却水; 循环管道与单向阀连 接, 单向阀与集水槽连接, 单向阀的导通方向由集水槽指向循环管道, 利 用集水槽补充冷却水, 或者, 收集雨水补充冷却水; 吸热水箱由铝合金构 成, 吸热水箱设有导热板以及散热片, 导热板与 LED1的铝基板连接; LED 芯片的热量经铝基板传递到导热板, 导热板将热量传递到冷却水以及散热 片。
LED 路灯的工作原理是: LED 路灯设有散热器, 散热器设有散热片以 及散热翅片, 利用散热器散热水箱的导热板将 LED芯片的热量传递到散热 片, 利用散热片将热量散发于空间; 利用户外的自然风带动风机转动, 利 用风机驱动循环泵转动, 利用循环泵循带动冷却水于循环管道内循环, 利 用冷却水将 LED芯片的热量传递到循环管道的散热翅片, 利用循环管道以 及散热翅片将热量散发于空间; 循环管道连接有单向阀以及集水槽, 利用 集水槽向散热水箱补充冷却水, 或者, 利用集水槽收集雨水, 向散热水箱 补充冷却水。 本发明的有益效果是: LED 路灯设有散热器, 散热器的循环管道设有 散热翅片以及散热片, 利用散热片将 LED芯片的热量散发于户外空间; 同 时, 利用户外自然风驱动风机转动, 利用风机带动循环泵转动, 利用循环 泵以及冷却水将热量传送到循环管道以及散热翅片, 利用循环管道以及散 热翅片将热量散发于户外空间; 提高了 LED路灯的散热效率。 附图说明
图 1是 LED路灯的结构示意图。 具体实施方式
下面结合附图对本发明进行进一步的说明:
图 1所示的 LED路灯的结构示意图, LED路灯包括有 LED1、 散热器 2 以及外壳 3; LED1包括有芯片 4以及铝基板 5, 散热器 2包括有吸热水箱 6, 循环泵 7、 风机 8、 循环管道 9、 散热翅片 10、 集水槽 11 以及单向阀 12; 吸热水箱 6与 LED1的铝基板 5连接, 吸热水箱 6与循环管道 9连接, 循环泵 7设于循环管道 9上, 循环泵 7与风机 8连接, 散热翅片 10绕在 循环管道 9上, 吸热水箱 6内设有冷却水 13; 循环管道 9与单向阀 12连 接, 单向阀 12与集水槽 11连接, 单向阀 12的导通方向由集水槽 11指向 循环管道 9; 吸热水箱 6由铝合金构成, 吸热水箱 6设有导热板 14以及散 热片 15, 导热板 14与 LED1的铝基板 5连接; LED1芯片 4的热量经铝基 板 5传递到导热板 14, 导热板 14将热量传递到冷却水 13以及散热片 15。
为了提高 LED路灯的散热效率, 吸热水箱 6设有散热型腔 16, 冷却水 13密封于散热型腔 16内, 循环管道 9与散热型腔 16连通, 循环管道 9以 及散热型腔 16充满冷却水 11 ;吸热水箱 6设有出水接头 17以及回水接头 18, 循环管道 9包括有第一循环管道 19以及第二循环管道 20, 第一循环 管道 19的一端与出水接头 17连接, 第一循环管道 19与循环泵 7的入水 口 21连接, 循环泵 7的出水口 22与第二循环管道 20的一端连接, 第二 循环管道 20的另一端与回水接头 18连接; 循环管道 9、 循环泵 7以及吸 热水箱 6构成一个循环回路, 被吸热水箱 6的冷却水 13吸收的 LED1的铝 基板 5的热量, 由冷却水 13将热量传递给循环管道 9的散热翅片 10, 循 环管道 9的散热翅片 10将热量散发于空间。 为了实施利用户外自然风带动风机 8转动, 利用风机 8带动循环泵 7 转动; 风机 8的外壳与循环泵 7的外壳固定连接, 循环泵 7的外壳与循环 管道 9固定连接, 循环泵 7的转轴与风机 8的动力轴连接, 利用风机 8带 动循环泵 7转动。
为了向吸热水箱 6补充冷却水 13, 集水槽 11的槽口 23向上, 以方便 向吸热水箱 6补充冷却水 13, 或者收集雨水向吸热水箱 6补充冷却水 13。

Claims

权 利 要 求 书
1. LED路灯, 其特征在于: 所述的 LED路灯包括有 LED (1)、 散热器 (2) 以及外壳 (3); LED (1) 包括有芯片 (4) 以及铝基板 (5), 散热器 (2) 包括有吸热水箱 (6), 循环泵 (7)、 风机 (8)、 循环管道 (9)、 散 热翅片 (10)、 集水槽 (11) 以及单向阀 (12); 吸热水箱 (6) 与 LED (1) 的铝基板 (5) 连接, 吸热水箱 (6) 与循环管道 (9) 连接, 循环泵 (7) 设于循环管道 (9) 上, 循环泵 (7) 与风机 (8) 连接, 散热翅片 (10) 绕在循环管道 (9)上, 吸热水箱 (6) 内设有冷却水 (13); 循环管道 (9) 与单向阀 (12) 连接, 单向阀 (12) 与集水槽 (11) 连接, 单向阀 (12) 的导通方向由集水槽 (U) 指向循环管道 (9)。
2.根据权利要求 1所述的 LED路灯, 其特征在于: 所述的吸热水箱 (6) 由铝合金构成, 吸热水箱 (6) 设有导热板 (14) 以及散热片 (15), 导热板 (14) 与 LED (1) 的铝基板 (5) 连接; LED (1) 芯片 (4) 的热量 经铝基板(5)传递到导热板(14), 导热板(14)将热量传递到冷却水(13) 以及散热片 (15)。
3.根据权利要求 2所述的 LED路灯,其特征在于:所述的吸热水箱(6) 设有散热型腔 (16), 冷却水 (13) 密封于散热型腔 (16) 内, 循环管道
(9) 与散热型腔 (16) 连通, 循环管道 (9) 以及散热型腔 (16) 充满冷 却水 (11)。
4.根据权利要求 3所述的 LED路灯,其特征在于:所述的吸热水箱(6) 设有出水接头 (Π) 以及回水接头 (18), 循环管道 (9) 包括有第一循环 管道 (19) 以及第二循环管道 (20), 第一循环管道 (19) 的一端与出水 接头 (17) 连接, 第一循环管道 (19) 与循环泵 (7) 的入水口 (21) 连 接, 循环泵 (7) 的出水口 (22) 与第二循环管道 (20) 的一端连接, 第 二循环管道 (20) 的另一端与回水接头 (18) 连接。
5.根据权利要求 4所述的 LED路灯,其特征在于:所述的循环管道 (9)、 循环泵 (7) 以及吸热水箱 (6) 构成一个循环回路, 被吸热水箱 (6) 的 冷却水 (13) 吸收的 LED (1) 的铝基板 (5) 的热量, 由冷却水 (13) 将 热量传递给循环管道 (9) 的散热翅片 (10), 循环管道 (9) 的散热翅片
(10) 将热量散发于空间。
6.根据权利要求 5所述的 LED路灯, 其特征在于: 所述的风机 (8 ) 的外壳与循环泵(7 )的外壳固定连接, 循环泵(7 )的外壳与循环管道(9 ) 固定连接, 循环泵 (7 ) 的转轴与风机 (8 ) 的动力轴连接。
7.根据权利要求 6所述的 LED路灯, 其特征在于: 所述的集水槽(11 ) 的槽口 (23 ) 向上。
8. 一种根据权利要求 7所述的 LED路灯的工作原理, 其特征在于: 所述的 LED路灯的工作原理是: LED路灯设有散热器, 散热器设有散热片 以及散热翅片, 利用散热器散热水箱的导热板将 LED芯片的热量传递到散 热片, 利用散热片将热量散发于空间; 利用户外的自然风带动风机转动, 利用风机驱动循环泵转动, 利用循环泵循带动冷却水于循环管道内循环, 利用冷却水将 LED芯片的热量传递到循环管道的散热翅片, 利用循环管道 以及散热翅片将热量散发于空间; 循环管道连接有单向阀以及集水槽, 利 用集水槽向散热水箱补充冷却水, 或者, 利用集水槽收集雨水, 向散热水 箱补充冷却水。
PCT/CN2014/078226 2013-05-30 2014-05-23 Led路灯 WO2014190873A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480001498.1A CN104487764A (zh) 2013-05-30 2014-05-23 Led路灯

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310226443.8 2013-05-30
CN2013102264438A CN103438385A (zh) 2013-03-25 2013-05-30 Led路灯

Publications (1)

Publication Number Publication Date
WO2014190873A1 true WO2014190873A1 (zh) 2014-12-04

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