CN203384931U

CN203384931U - High-efficiency heat-dissipating LED lamp structure

Info

Publication number: CN203384931U
Application number: CN201320366140.1U
Authority: CN
Inventors: 吴炜松
Original assignee: GUANGDONG SANJIN OPTOELECTRONICS TECHNOLOGY Co Ltd
Current assignee: GUANGDONG SANJIN OPTOELECTRONICS TECHNOLOGY Co Ltd
Priority date: 2013-06-25
Filing date: 2013-06-25
Publication date: 2014-01-08
Anticipated expiration: 2023-06-25

Abstract

Disclosed is a high-efficiency heat-dissipating LED lamp structure. The structure comprises a lamp head, a shell and a lampshade mounted at the lower end of the structure, and an LED light source plate is mounted in the shell. The structure is characterized in that a connecting plane is arranged on the upper end face of the shell, a connecting hole is formed at the center of the plane, a support pipe fixing a driving circuit is fixed in the connecting hole through a buckle, a plurality of convection grooves tangent with the connecting hole are formed on the periphery of the connecting hole, the lamp head and a threaded pipe at the top end of the support pipe are fixed in a threaded-connection manner, a conical diversion cover is arranged on the lamp head and docked with the connecting plane at the upper end of the shell, and a plurality of ventilation grooves are formed in the lower end face of the diversion cover. The high-efficiency heat-dissipating LED lamp structure has the advantages that the LED shell large in surface area is utilized as a heat-dissipating element of the structure, so that attractiveness in appearance is guaranteed while heat-dissipating capability of the structure is improved; the driving circuit is mounted in the lamp head in a suspended manner through the support pipe, so that overburning of the driving circuit due to overhigh temperature of the same caused by the fact that the driving circuit directly contacts with a radiator is avoided.

Description

A kind of high-efficiency heat radiating LED modulated structure

Technical field

The utility model relates to a kind of LED lighting apparatus, specifically a kind of high-efficiency heat radiating LED modulated structure.

Background technology

The bulb volume of LED light fixture is little, lightweight, high light efficiency, low light attenuation great power LED have been widely used in Building facade lighting, Landscape Lighting, interior space display lighting, the public place of entertainment numerous areas such as stage illumination, lighting in one's power, make the multiple illuminations such as street lamp, bulkhead lamp capable, Tunnel Lamp, shot-light, fluorescent lamp, deeply be subject to the industry favorable comment.But because of the part technology of LED, still dislike not enough, and wherein heat radiation improperly can cause the brightness of LED light fixture and circuit unit to accelerate to decay service life.But commonly used

The people of LED lamp can find, LED, because brightness is large especially, is easy to make luminous energy to become heat energy, makes the LED lamp awfully hot.At this moment, if LED etc. can not dispel the heat as early as possible, its life-span will reduce greatly.The scope of application of LED lamp is more and more wider, and brightness and integrated degree improve constantly, and the heat dissipation capacity while making work is increasing, and the LED lamp requires below 55 ℃, for high performance LED lamp, has proposed in the requirements at the higher level below 50 ℃.Along with the development of demand, require the luminous efficiency of LED lamp more and more higher, and cause heat dissipation capacity increasing.When temperature surpasses the desired limit of LED lamp, will be had a negative impact luminescent quality and the service life of LED lamp, even be burned.

At present, the heat radiation of great power LED lamp all adopts the die casting aluminium shell of low heat conductivity, as publication number is

The application for a patent for invention that the CN101545619A denomination of invention is " a kind of LED lamp radiator lamp body structure " discloses the radiating fin of an extrusion integral moulding of a kind of aluminum alloy materials, middle part is the cylinder of a sealing, its center is not connected with space outerpace, the spacing design is unreasonable, cause hot transmission speed, heat dissipation capacity and area of dissipation inadequate, radiating efficiency is low, can't meet the heat radiation requirement of great power LED lamp.Simultaneously, the radiator of fin not only profile is attractive in appearance not, between fin, easily by dust, is stopped up simultaneously, after long-time the use, must be cleaned it, otherwise will affect its normal heat radiation, causes the LED lamp to burn because of overheated.

The utility model content

The purpose of this utility model is the shortcoming existed in order to overcome prior art, provides a kind of simple in structure, easy to assembly, good looking appearance, a kind of high-efficiency heat radiating LED modulated structure of good heat dissipation effect.

The utility model purpose realizes with the following methods: a kind of high-efficiency heat radiating LED modulated structure, it comprises lamp holder, shell and be arranged on the lampshade of its lower end, the LED light source plate is installed in shell, it is characterized in that: the upper surface of described shell is provided with and connects plane, the center on this plane offers connecting hole, the stand tube of fixed drive circuit is fixed by snap in this connecting hole, described connecting hole is arranged with some tangent to chute and connecting hole outward, the screwed pipe on lamp holder and stand tube top is spirally connected fixing, described lamp holder is provided with the conical flow guiding cover and is connected the plane docking with the shell upper end, offer some air channels on the lower surface of described kuppe.

Described air channel is four, is evenly distributed on the lower surface of kuppe, and the air channel height is 3mm to 5mm, and groove width is 25mm to 33mm.

Described LED light source plate is arranged on the discoid heat-conducting plate of being made by aluminium material matter, and heat-conducting plate is by being arranged on turning over all over being arranged on the inwall of shell on its outer rim.

Described shell is made by aluminum material.

Described buckle is three unsettled elastic buckles, and itself and stand tube are one-body molded.

Described stand tube sidewall offers radiating groove.

Offer some louvres on described heat-conducting plate, on the LED light source plate, corresponding louvre position arranges the empty avoiding district, makes between lampshade and lamp holder to connect to be beneficial to air free and to flow.

The beneficial effects of the utility model are: 1) simple in structure, easy to assembly, production cost is low, improves the market competitiveness.2) shell that utilizes the LED that surface area is larger, as its heat dissipation element, when guaranteeing good looking appearance, promotes its heat-sinking capability.3) be provided with air channel in lamp holder, can make atmosphere and lampshade internal communication, so as with its heat exchange.4) drive circuit is arranged in lamp holder by stand tube is unsettled, avoids drive circuit directly to contact with radiator, causes circuit temperature too high and burn.

The accompanying drawing explanation

Fig. 1 is the utility model general assembly design sketch.

Fig. 2,3 is the utility model Standard figure.

Fig. 4 is the utility model partial structurtes cutaway views.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is made to concrete further instruction.A kind of high-efficiency heat radiating LED modulated structure, it comprises lamp holder 1, shell 2 and be arranged on the lampshade 3 of its lower end, LED light source plate 4 is installed in shell, it is characterized in that: the upper surface of described shell 2 is provided with and connects plane 21, the center on this plane offers connecting hole 22, the stand tube 5 of fixed drive circuit is fixed in this connecting hole 22 by buckle 51, outside described connecting hole 22, be arranged with some tangent to chute 23 and connecting hole 22, lamp holder 1 is spirally connected fixing with the screwed pipe 52 on stand tube 5 tops, described lamp holder 1 is provided with conical flow guiding cover 6 and is connected the plane docking with the shell upper end, offer some air channels 61 on the lower surface of described kuppe 6.In the utility model, to the design of chute and air channel, can make atmosphere communicate with lamp interior, be convenient to the circulation of air heat radiation.The design of conical flow guiding cover simultaneously can make rainwater flow downward along its outer wall, prevents that rainwater from entering lamp interior and burning device.

Described air channel 61 is four, be evenly distributed on the lower surface of kuppe 6, air channel 61 is highly 3mm to 5mm, and groove width is 25mm to 33mm, such dimensional requirement, when guaranteeing radiating effect, can avoid size design excessive and cause easily advancing ash or other impurity.

Described LED light source plate 4 is arranged on the discoid heat-conducting plate 7 of being made by aluminium material matter, and heat-conducting plate 7 is arranged on the inwall of shell 2 by being arranged on turning over all over 71 on its outer rim.Described shell 2 is made by aluminum material.The heat that light source board produces can be uploaded and pass to shell by heat-conducting plate, utilizes the shell that surface area is larger to be dispelled the heat, and can significantly promote the heat-sinking capability of light fixture, guarantees the working life of LED lamp.

Described buckle 51 is three unsettled elastic buckles, and itself and stand tube 5 are one-body molded.

Described stand tube 5 sidewalls offer radiating groove 53.The design of stand tube can make the unsettled lamp interior that is arranged on of drive circuit, avoids heat-conducting plate and housing contacts that itself and temperature are higher, causes the circuit because excess Temperature and burns.

Offer some louvres 72 on described heat-conducting plate 7, on the LED light source plate, corresponding louvre position arranges empty avoiding district 41, make between lampshade and lamp holder to connect and be beneficial to air free and flow, improving radiating effect, wherein said louvre or the empty avoiding district can be set to circle is square or other are irregularly shaped.

Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims

1. a high-efficiency heat radiating LED modulated structure, it comprises lamp holder (1), shell (2) and be arranged on the lampshade (3) of its lower end, LED light source plate (4) is installed in shell, it is characterized in that: the upper surface of described shell (2) is provided with and connects plane (21), the center on this plane offers connecting hole (22), the stand tube of fixed drive circuit (5) is fixed in this connecting hole (22) by buckle (51), outside described connecting hole (22), be arranged with some tangent to chute (23) and connecting hole (22), lamp holder (1) is spirally connected fixing with the screwed pipe (52) on stand tube (5) top, described lamp holder (1) is provided with conical flow guiding cover (6) and is connected the plane docking with the shell upper end, offer some air channels (61) on the lower surface of described kuppe (6).

2. a kind of high-efficiency heat radiating LED modulated structure according to claim 1, it is characterized in that: described air channel (61) is four, is evenly distributed on the lower surface of kuppe (6), and air channel (61) is highly 3mm to 5mm, and groove width is 25mm to 33mm.

3. a kind of high-efficiency heat radiating LED modulated structure according to claim 1, it is characterized in that: it is upper that described LED light source plate (4) is arranged on the discoid heat-conducting plate (7) of being made by aluminium material matter, and heat-conducting plate (7) is arranged on the inwall of shell (2) by being arranged on turning over all over (71) on its outer rim.

4. according to the described a kind of high-efficiency heat radiating LED modulated structure of claim 1 or 3, it is characterized in that: described shell (2) is made by aluminum material.

5. a kind of high-efficiency heat radiating LED modulated structure according to claim 1, it is characterized in that: described buckle (51) is three unsettled elastic buckles, itself and stand tube (5) are one-body molded.

6. a kind of high-efficiency heat radiating LED modulated structure according to claim 1 or 5, it is characterized in that: described stand tube (5) sidewall offers radiating groove (53).

7. a kind of high-efficiency heat radiating LED modulated structure according to claim 3, it is characterized in that: offer some louvres (72) on described heat-conducting plate (7), on the LED light source plate, corresponding louvre position arranges empty avoiding district (41), makes between lampshade and lamp holder to connect to be beneficial to air free and to flow.