CN207132302U - 300W special type heat radiation system of high-power LED lamp - Google Patents

Abstract

The utility model discloses a kind of 300W special types heat radiation system of high-power LED lamp, including LED luminous components, Cu-based bulk, radiating tube and radiating fin, the LED luminous components bottom is arranged on Cu-based bulk, described radiating tube is divided into three sections, respectively include three evaporator section, adiabatic section and condensation segment sections, described evaporator section is embedded into inside Cu-based bulk, the radiating fin is arranged on condensation segment outer wall, the adiabatic section is between evaporator section and condensation segment, the evaporator section and condensation segment are end to end, form a closed-loop path.The utility model is simple in construction, reasonable in design, and radiating efficiency is high, stable work in work, and the maximum junction temperature of LED chip is 58.19 DEG C, less than 65 DEG C of the maximum junction temperature of design requirement, meets design requirement, is adapted to use under various adverse circumstances.

Description

300W special type heat radiation system of high-power LED lamp

Technical field

It the utility model is related to LED lamp technical field, and in particular to a kind of 300W special types high-power LED lamp radiating system System.

Background technology

The 2008 Beijing Olympic Games and the 2010 World Fair have started the upsurge of LED illumination application, it may be said that this is big twice Type distinguished gathering is also the distinguished gathering of LED industry.The venue Water Cube, Bird's Nest from Olympic Games central shaft main road to particular design, in the Olympic Games Each competition area in, it may be said that do not show the application of LED technology nowhere.This illustrates that the LED epoch have come into us Life in.LED semiconductor lightings belong to the green lighting technique of 21 century, its temperature stabilization, vibration resistance, explosion-proof, antidetonation. Lamp can be driven under wide-voltage range bright, realized from pure white to the colour temperature close to color of sunshine, luminous efficiency can reach 1001m/w with On, than incandescent lamp economize on electricity 90%, LED is higher by more than 40% than common fluorescent lamp luminous intensity under Same Efficieney.These advantages So that it becomes a very attracting selection under the requirement environment of current energy-conserving and environment-protective.

With the cry of national energy-saving emission reduction, the rapid development of the industry such as oil, chemical industry, electric power, railway, lighting energy saving skill Promotion and application of the art in these fields generate immeasurable social benefit and economic benefit.Underground work is asked safely at present Topic occurs again and again, and mine-use lamp is paid close attention to by country.Light fixture of the extraordinary light fixture as mining field, also there is good city Field development prospect.

The light source of traditional extraordinary lamp is electricity-saving lamp, and power consumption is big, and luminous efficiency is low.LED special type light fixtures, using LED cold light Source, it has a series of advantages such as efficient, energy-saving and environmental protection, and nowadays in the field of colliery, LED illumination lamp is extensive Application.Although the advantages of LED is a lot, LED luminescent properties are driven the restriction of power source performance and use environment, and Explosion-proof lamp will be arranged on the place (hazardous environment for having easy firing, explosive gas or dust) of bad environments, and this exists to use The control of the heat of the illuminator in these places and other electrical equipment, explosion-proof performance etc. propose particular/special requirement.Due to LED anti-explosion lamp To be worked in the explosion-proof chamber of closing, along with the adverse circumstances under mine, the life-span of lamp and security must ensure. The life-span of general LED light source is very long, and most influence the life-span is exactly driving power, and the life-span of the electrochemical capacitor in driving power determines Determine the life-span of whole light fixture, the quality of the constant current ability of driving power determines LED light decay degree and light efficiency height.Therefore grind Study carefully and the designs such as efficiency, power factor, water proof and dust proof and all meet that the extraordinary high-power driving power supply of requirement has very real meaning Justice.

High LED junction temperature is always technical bottleneck of the LED lamp to high power development, with constantly climbing for unit heat flow density Rise, under the conditions of natural cooling, the simple heat sink radiating mode of straight rib can not meet cooling requirements.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of working stability, and the good 300W of practicality is extraordinary big Power LED lamps cooling system.

Technical problem to be solved in the utility model is realized using following technical scheme：

A kind of 300W special types heat radiation system of high-power LED lamp, including LED luminous components, Cu-based bulk, radiating tube and dissipate Hot fin, the LED luminous components bottom be arranged on Cu-based bulk on, described radiating tube is divided into three sections, respectively include evaporator section, Three sections in adiabatic section and condensation segment, described evaporator section are embedded into inside Cu-based bulk, and the radiating fin is arranged on condensation segment On outer wall, between evaporator section and condensation segment, the evaporator section and condensation segment are end to end for the adiabatic section, form a closure Loop.

Preferably, it is packaged with heat-conducting medium in the radiating tube.

Preferably, the radiating tube is loop configuration.

Preferably, the radiating tube is copper pipe.

Preferably, the radiating fin is aluminium, copper or aluminium copper material.

Preferably, the evaporator section, adiabatic section or/and condensation segment are S-shaped structure.

The course of work is as follows：

Substantial amounts of heat is produced when great power LED works, these heats pass to Cu-based bulk, Cu-based bulk by LED itself is heat sink It is rapidly heated and the heat pipe evaporator section to being embedded within heats, heat-conducting medium (pure water or other liquid objects in heat pipe Matter) it is heated and undergoes phase transition, it is converted into isothermal saturated vapor, steam reaches condensation segment under the driving of air pressure by adiabatic section, Heat convection is carried out with condensation segment inwall afterwards, heat is transmitted on the radiating fin with wall contacts by inwall again, radiating fin Heat is taken away in the free convection of piece and ambient cold air；Saturated vapor is because heat exchange is mutually changed into liquid to the cold, and in capillary Power effect is lower to return to evaporator section, so as to realize circulation cooling.

The beneficial effects of the utility model are：The utility model is simple in construction, reasonable in design, and radiating efficiency is high, workability Can be stable, the maximum junction temperature of LED chip is 58.19 DEG C, less than 65 DEG C of the maximum junction temperature of design requirement, meets design requirement, is fitted Close and used under various adverse circumstances.

Brief description of the drawings

Fig. 1 is the utility model structure diagram.

Embodiment

In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under Face combines and is specifically illustrating, and the utility model is expanded on further.

Embodiment 1

As shown in figure 1, a kind of 300W special types heat radiation system of high-power LED lamp, including LED luminous components 10, Cu-based bulk 20th, radiating tube 30 and radiating fin 40, the bottom of LED luminous components 10 are arranged on Cu-based bulk 20, and radiating tube 30 divides for three sections, Respectively 303 3 evaporator section 301, adiabatic section 302 and condensation segment sections, evaporator section 301 are embedded into inside Cu-based bulk 20, radiating Fin 40 is arranged on the outer wall of condensation segment 303, and adiabatic section 302 is between evaporator section 301 and condensation segment 303, the He of evaporator section 301 Condensation segment 303 is end to end, forms a closed-loop path, is packaged with heat-conducting medium in radiating tube 30, and radiating tube 30 is copper pipe, radiating Fin 40 is aluminium material.

Embodiment 2

As shown in figure 1, a kind of 300W special types heat radiation system of high-power LED lamp, including LED luminous components 10, Cu-based bulk 20th, radiating tube 30 and radiating fin 40, the bottom of LED luminous components 10 are arranged on Cu-based bulk 20, and radiating tube 30 divides for three sections, 303 3 evaporator section 301, adiabatic section 302 and condensation segment sections are respectively included, evaporator section 301 is embedded into inside Cu-based bulk 20, dissipates Hot fin 40 is arranged on the outer wall of condensation segment 303, and adiabatic section 302 is between evaporator section 301 and condensation segment 303, evaporator section 301 It is end to end with condensation segment 303, a closed-loop path is formed, is packaged with heat-conducting medium in radiating tube 30, radiating tube 30 is copper pipe, is dissipated Hot fin 40 is aluminium copper material, and radiating tube 30 is copper pipe.

The course of work is as follows：

Substantial amounts of heat is produced when great power LED works, these heats pass to Cu-based bulk, Cu-based bulk by LED itself is heat sink It is rapidly heated and the heat pipe evaporator section to being embedded within heats, heat-conducting medium (pure water or other liquid objects in heat pipe Matter) it is heated and undergoes phase transition, it is converted into isothermal saturated vapor, steam reaches condensation segment under the driving of air pressure by adiabatic section, Heat convection is carried out with condensation segment inwall afterwards, heat is transmitted on the radiating fin with wall contacts by inwall again, radiating fin Heat is taken away in the free convection of piece and ambient cold air；Saturated vapor is because heat exchange is mutually changed into liquid to the cold, and in capillary Power effect is lower to return to evaporator section, so as to realize circulation cooling.

The key technical indexes

1. light fixture input voltage：85-265VAC 50HZ；

2. product power：300W；

3. colour temperature：5800K-6200K；

4. colour rendering index：＞ 80；

5. current ripples coefficient：2%；

6. LED junction temperature：65 DEG C of ＜.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (6)

1. A kind of 1. 300W special types heat radiation system of high-power LED lamp, it is characterised in that including：LED luminous components (10), Cu-based bulk (20), radiating tube (30) and radiating fin (40), LED luminous components (10) bottom are arranged on Cu-based bulk (20), institute The radiating tube (30) stated is divided into three sections, respectively includes evaporator section (301), adiabatic section (302) and (303) three sections of condensation segment, Described evaporator section (301) is embedded into Cu-based bulk (20) inside, and the radiating fin (40) is arranged on condensation segment (303) outer wall On, the adiabatic section (302) is located between evaporator section (301) and condensation segment (303), the evaporator section (301) and condensation segment (303) it is end to end, form a closed-loop path.
2. 2. 300W special types heat radiation system of high-power LED lamp according to claim 1, it is characterised in that the radiating tube (30) heat-conducting medium is packaged with.
3. 3. 300W special types heat radiation system of high-power LED lamp according to claim 1, it is characterised in that the radiating tube (30) it is loop configuration.
4. 4. 300W special types heat radiation system of high-power LED lamp according to claim 3, it is characterised in that the radiating tube (30) it is copper pipe.
5. 5. 300W special types heat radiation system of high-power LED lamp according to claim 1, it is characterised in that the radiating fin Piece (40) is aluminium, copper or aluminium copper material.
6. 6. 300W special types heat radiation system of high-power LED lamp according to claim 1, it is characterised in that the evaporator section (301), adiabatic section (302) or/and condensation segment (303) are S-shaped structure.