CN102444834A

CN102444834A - Integrated type oil-cooling high-power LED street lamp

Info

Publication number: CN102444834A
Application number: CN201010505633XA
Authority: CN
Inventors: 罗业富
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-13
Filing date: 2010-10-13
Publication date: 2012-05-09

Abstract

An integrated type oil cooling high-power LED street lamp comprises a supporting rod, a lamp base, a lamp holder, a housing, a transparent lamp shade, an AC/DC controller, a high-power LED luminescence chip, a secondary light distribution mirror, a heat conductor and a bolt type heat conducting baseplate, wherein, the housing forms a closed hollow radiator; the heat conductor and the bolt type heat conducting baseplate, which are fixedly connected to form a unit, are arranged in the hollow radiator; the LED chip is directly screwed on the bolt type heat conductor from the outer side of the lower end surface of the radiator; an AC power line on the AC/DC controller is led into from an oil filling hole at the top of the hollow radiator, and a DC power line is connected with the LED chip; heat transfer oil is filled in the radiator; the standard horn-shaped shell of the hollow radiator made of aluminium alloy material; and wrinkled fins are densely arranged on the surface of the shell. Therefore, the integrated type oil cooling high-power LED street lamp has the advantages of maximal radiating area, and favorable thermal conduction and corrosion resistance; and the heat generated by the LED chip can be directly transmitted to the heat conducting baseplate and the heat conductor, and then to the housing through the heat transfer oil quickly and uniformly, and lastly to the air by the aid of the wrinkled fins.

Description

Integrated form oil cooling high-power LED street lamp

Technical field

The present invention relates to a kind of integrated form high-power LED street lamp, particularly a kind of integrated form oil cooling high-power LED street lamp.

Background technology

The main emphasis of traditional integrated form high-power LED street lamp design and is paid close attention to less to heat conduction, the heat radiation of light fixture on the lumen number of LED.The heat radiation of LED street lamp is generally adopted the heat-conducting plate heat radiation except outer shell heat radiation.Said heat-conducting plate is the thick copper coin of a slice 5mm, the samming thermal source; Also have finned to dispel the heat, but weight is too big, has certain danger, possibly meet accident when particularly running into typhoon and earthquake.Utilize Natural Heat Convection in addition, install the fan forced heat radiation additional, heat pipe and heat pipe circuit heat radiation or the like.The forced heat radiation mode is complicated, and reliability is low, and heat pipe and heat pipe circuit heat radiation cost are high.In addition, street lamp is installed in road both sides and outdoor, and dust covers on the shell will reduce radiating effect greatly, shortens the service life of integrated form high-power LED street lamp.

Summary of the invention

Deficiency in view of traditional integrated form high-power LED street lamp exists on heat dissipation design the objective of the invention is to design lower, the good heat dissipation effect of a kind of cost, prolongs the street lamp in integrated form high-power LED light source life-span greatly.

The technical scheme that the present invention takes has realized above-mentioned purpose of design: the present invention is a kind of integrated form oil cooling high-power LED street lamp; Be made up of support bar and light fixture, light fixture comprises lamp socket, lamp holder, shell, Transparent lamp shade, AC/DC controller and great power LED luminescence chip, and great power LED luminescence chip surface is connected with the secondary light-distribution mirror; It is characterized in that shell constitutes the hollow radiator of sealing; Its upper end has oil filler point, hollow radiator set inside that heat transfer device and the bolt type heat-conducting substrate that is fixed with one arranged, and bolt type heat-conducting substrate and hollow radiator lower surface are tightly connected; Led chip directly is tightened on the bolt type heat transfer device from the outside, radiator lower surface; AC power cord on the AC/DC controller is introduced through oil filler point, and direct current supply line links to each other with led chip, falling heat-transfer oil in the radiator.

In order to make radiator have maximum cooling surface area and good heat-conducting and corrosion resistance, the present invention is designed to shell accurate horn-like, and outer surface has intensive contoured insert, and adopts aluminum alloy materials to make.

Operation principle of the present invention is:

1, radiator is that hollow standard is horn-like, and appearance has intensive contoured insert, and adopts aluminum alloy materials to make, and makes the radiator surface area maximization, and is not only in light weight, and has good heat-conducting, helps heat is spread in air and reduces manufacturing cost;

2, inner bolt type heat-conducting substrate and the heat transfer device of adopting of radiator directly is tightened on led chip on the heat transfer device, and the heat that high-power LED light source is produced is directly passed to the heat transfer device substrate;

3, utilize the thermal conduction characteristic of conduction oil; Filling heat-conductive oil in the radiator cavity; Heat transfer device and heat-conducting substrate are immersed in the conduction oil; Conduction oil can promptly spread all over the heat on the heat transfer device inner surface of outer cover of entire radiator, by the fin and the air heat exchange of radiator, takes away heat again.

The present invention has taked the heat radiation cooling provision from above-mentioned three aspects; Make the LED luminescence chip remain at relatively low temperature; Solved the integrated form high-power LED street lamp because of the bad problem that causes chip to damage of dispelling the heat; Effectively prolong the life-span of integrated form high-power LED chip, thereby guaranteed integrated form high-power LED street lamp reliably working.

Description of drawings

Fig. 1 is an integrated form oil cooling high-power LED street lamp schematic appearance of the present invention.

Fig. 2 is an integrated form oil cooling high-power LED street lamp mounted inside structural representation.

The specific embodiment

Embodiment 1

Like Fig. 1, shown in 2, integrated form oil cooling high-power LED street lamp of the present invention is made up of support bar and light fixture, and light fixture comprises lamp socket 1, lamp holder 2, shell 3, Transparent lamp shade 4, AC/DC controller 5 and great power LED luminescence chip 6; Great power LED luminescence chip surface is connected with secondary light-distribution mirror 7; Shell constitutes airtight hollow radiator, and there is oil filler point 8 its upper end, and secondary light-distribution mirror 7 is fixed on the lower surface 9 from 9 outsides, hollow radiator lower surface; Hollow radiator set inside has bolt type heat-conducting substrate 10 and heat transfer device 11; The two is fixed with one, and great power LED luminescence chip 6 directly is tightened on the bolt type heat transfer device, and the AC power cord 12 on the AC/DC controller 5 is introduced through oil filler point 8; Direct current supply line 13 links to each other with great power LED luminescence chip 6, falling heat-transfer oil 14 in the radiator.

In order to make area of dissipation maximum, radiating effect is best, and the shell design of this integrated form oil cooling high-power LED street lamp is as the criterion horn-like, adopts the surface to make through the aluminum alloy materials of specially treated, and case surface has intensive contoured insert 16.

In the present embodiment, radiator shell upper end is a separate type with the bottom, by some screws 17 with the two fixed connection.

Because the great power LED luminescence chip directly is tightened on the heat-conducting substrate; The heat of its generation directly passes to heat transfer device by heat-conducting substrate; Heat on the heat transfer device is delivered on the radiator shell through conduction oil rapidly, equably, through contoured insert intensive on the radiator shell heat that the great power LED luminescence chip produces is dispersed in the air fast again.

In the present embodiment, cold oil adopts No. 45 transformer cold oils.Its performance characteristics: the product purification degree of depth is big, freezing point is low, of light color, has good low temperature properties, cooling property, good insulating properties and anti-oxidative stability.

Claims

1. an integrated form oil cooling high-power LED street lamp is made up of support bar and light fixture, and light fixture comprises lamp socket, lamp holder, shell, Transparent lamp shade, AC/DC controller and great power LED luminescence chip; Great power LED luminescence chip surface is connected with the secondary light-distribution mirror; It is characterized in that shell constitutes the hollow radiator of sealing, there is oil filler point its upper end, and hollow radiator set inside has heat transfer device and bolt type heat-conducting substrate; Heat transfer device and bolt type heat-conducting substrate are fixed with one; Bolt type heat-conducting substrate and hollow radiator lower surface are tightly connected, and led chip directly is tightened on the bolt type heat transfer device from the outside, radiator lower surface, and the AC power cord on the AC/DC controller is introduced through oil filler point; Direct current supply line links to each other with led chip, falling heat-transfer oil in the radiator.

2. integrated form oil cooling high-power LED street lamp according to claim 1, it is horn-like to it is characterized in that shell is as the criterion, and the surface has intensive contoured insert.