CN103511893A

CN103511893A - LED candle lamp dissipating heat by utilizing bottom-up free mobility of air

Info

Publication number: CN103511893A
Application number: CN201310472030.8A
Authority: CN
Inventors: 李锡文; 武建忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-11
Filing date: 2013-10-11
Publication date: 2014-01-15

Abstract

The invention provides an LED candle lamp dissipating heat by utilizing bottom-up free mobility of air. The LED candle lamp comprises a lamp cup, LED lamp beads, a heat conducting column, a candle-shaped lampshade and a flexible circuit board. The LED lamp beads are installed on the flexible circuit board. The flexible circuit board is tightly attached to the surface of the heat conducting column in a surrounding mode. The candle-shaped lampshade and the lamp cup are fixedly assembled. The LED candle lamp further comprises an upper partition plate and a lower metal partition plate. An upper vent hole is formed in the upper partition plate. A lower vent hole is formed in the lower metal partition plate. The heat conducting column is of a cylindrical structure which is vertically communicated. The upper vent hole in the upper partition plate and an upper port in the heat conducting column are assembled in a matched mode. The lower vent hole in the lower metal partition plate and a lower port in the heat conducting column are assembled in a matched mode. A plurality of air inlet holes are formed in the lamp cup. A plurality of air outlet holes are formed in the candle-shaped lampshade. A ventilation and heat dissipation system with air flowing from bottom to top is composed of the air inlet holes, the lower vent hole, the heat conducting column, the upper vent hole and the air outlet holes. The LED candle lamp has the advantages that the heat is dissipated during free convection of the air to the exterior of a lamp body, the heat is rapidly dissipated, and the effect is good.

Description

A kind of LED candle lamp that utilizes air to flow freely heat radiation from bottom to top

Technical field

The present invention relates to the technical field of lighting, refer in particular to a kind of LED candle lamp that utilizes air to flow freely heat radiation from bottom to top.

Background technology

The LED candle lamp of selling in the market, the structure of its candle lamp is that the first half is LED light source and candle shape lampshade, the power supply that the metal shell of the heat conductivility that the latter half has been thermolysis and housing are built-in.Traditional LED candle lamp radiating mode is that the heat that LED light source produces is sent to metal shell downwards, by metal shell, to distribute heat in air, reach light fixture radiating effect again, but in daily life, LED candle lamp generally is light source and installs and uses vertically upward, and from thermodynamic (al) principle, heat flows from bottom to top, and therefore the radiating effect of traditional LED candle lamp can not reach perfect condition.Simultaneously, the electric shock risk causing for fear of the metal shell of traditional LED candle lamp, this type of LED candle lamp all must be used the driving power of isolation circuit, and also can produce a large amount of heat energy during isolation drive power work, cause case temperature higher, use the operating efficiency of LED candle lamp of isolation drive power supply not high, and electromagnetic interference is also more difficult simultaneously.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, use safety, radiating rate is fast and the air that utilizes good heat dissipation effect flows freely the LED candle lamp of heat radiation from bottom to top.

For achieving the above object, technical scheme provided by the present invention is: a kind of LED candle lamp that utilizes air to flow freely heat radiation from bottom to top, it includes Lamp cup, LED lamp pearl, heating column, candle shape lampshade and FPC, LED lamp is installed on FPC, this FPC is around being close to heating column surface, under described candle shape lampshade along with Lamp cup on along fixing assembling, it is characterized in that: it also comprises upper spacer and metal lower clapboard, upper spacer is provided with air vent, metal lower clapboard is provided with lower air vent, described heating column is the tubular structure of up/down perforation, the upper air vent of upper spacer mates assembling with heating column upper port, the lower air vent of metal lower clapboard mates assembling with the lower port of heating column, cup body at Lamp cup is provided with a plurality of fresh air inlets, the cover body of candle shape lampshade is provided with a plurality of exhaust vents, wherein, fresh air inlet, lower air vent, heating column, upper air vent and exhaust vent form air free-pouring aeration radiation system from bottom to top.

The housing main body material that described Lamp cup and candle shape lampshade composite form is non-conducting material.

The present invention is after having adopted such scheme, its great advantage is LED candle lamp to be designed to utilize air free radiator structure from bottom to top, on cup body and the candle shape lampshade of Lamp cup, be respectively equipped with a plurality of fresh air inlets and exhaust vent, and the tubular structure that heating column is up/down perforation, make air pass through fresh air inlet, heating column and exhaust vent are realized circulation, thereby make in heat that LED light source the produces natural convection air inside and outside lamp body, be dispersed in outside atmosphere, heat dissipation design is more scientific and reasonable, heat radiation more rapidly effectively, the housing main body that Lamp cup and candle shape lampshade composite form all adopts non-conducting material, guarantee people's non-contact electric risk when this lamp of installation or removal, simultaneously can the higher non-isolation drive power supply of efficiency of selection, can process preferably electromagnetic interference problem, make product holistic cost lower.

Accompanying drawing explanation

Fig. 1 is exploded view of the present invention.

Fig. 2 is front view of the present invention.

Fig. 3 is cutaway view of the present invention.

The specific embodiment

Below in conjunction with specific embodiment, the invention will be further described:

Referring to accompanying drawing 1 to shown in accompanying drawing 3, the air that utilizes described in the present embodiment flows freely the LED candle lamp of heat radiation from bottom to top, it includes Lamp cup 1, LED lamp pearl 2, heating column 3, upper spacer 6, metal lower clapboard 7, candle shape lampshade 4 and FPC 5, LED lamp pearl 2 is located on FPC 5, and this FPC 5 is close to heating column 3 surfaces, there is groove position Lamp cup 1 inside, the fixed placement LED power supply 8 corresponding with groove position on groove position, the tubular structure that heating column 3 is up/down perforation, upper spacer 6 is provided with air vent 601, metal lower clapboard 7 is provided with lower air vent 701, the tubular structure that described heating column 3 is up/down perforation, the upper air vent 601 of upper spacer 6 mates assembling with heating column 3 upper port, the lower air vent 701 of metal lower clapboard 7 mates assembling with the lower port of heating column 3, on 4 times edges of candle shape lampshade and Lamp cup 1 along fixing assembling, cup at Lamp cup 1 is provided with a plurality of fresh air inlets 101 with it, cover body at candle shape lampshade 4 is provided with a plurality of exhaust vents 401, wherein in the upper end of candle shape lampshade 4, offer exhaust vent 401 for best, fresh air inlet 101, lower air vent 701, heating column, exhaust vent 401 on lower air vent 601 and candle shape lampshade 4 forms aeration radiation system, air flows freely from bottom to up in this system.Except necessary lamp holder, forming the Lamp cup 1 of LED candle lamp housing main body and the material of candle shape lampshade 4 is every the strong non-conducting material of power, and the upper spacer 6 that plastic material is made in candle shape lampshade 4 and the position buckle that is positioned at exhaust vent 401 downstreams fix, described heating column 3,7 of metal lower clapboards are collected heat by having, are promoted the metal material manufacture of Air Flow effect to form.

And in normal circumstances, LED candle lamp is all that light source at right angle setting is used, therefore according to the Structural Tectonics of above-mentioned LED candle lamp, can reach the effect of quick heat radiating: when this LED candle lamp work, LED light source will produce heat, and metal metal lower clapboard 7 and heating column 3 can be collected a large amount of heats, known according to thermodynamic principles, heat all flows from bottom to up, therefore heat is successively by the lower air vent 701 of metal lower clapboard 7, the heating column 3 of up/down perforation tubular structure, exhaust vent 401 on the upper air vent 601 of upper spacer 6 and candle shape lampshade 4 distributes, it is inner that cold wind can enter this LED candle lamp from 1 glass of Lamp cup fresh air inlet 101 with it, thereby realize natural convection air, by flowing of inside and outside air, can take away the heat that LED lamp 2 produces, greatly increase the radiating rate of light fixture, improve the radiating effect of light fixture.The upper spacer 6 being provided with in heating column 3 top and bottom and metal lower clapboard 7 are separated heat flow space and LED light-emitting area space completely, heat is from the heating column internal flow of up/down perforation tubular structure, heat is more intensively circulated, further accelerate dissipation of heat speed, and because metal has heat build-up effect, and according to the cold and hot convective principles of air, metal lower clapboard 7 can be collected heat effectively, and more effectively accelerate Air Flow.Simultaneously, because upper spacer 6 is made for plastics, the light that LED lamp sends also can see through upper spacer 6, make this lamp body upper end can distribute light, and this upper spacer 6 can also prevent that dust from entering LED light-emitting area space effectively, stopped dust enter LED light-emitting area space and be attached to LED lamp pearl 2 and candle shape lampshade 4 inwalls on situation, in addition, the housing main body forming due to Lamp cup 1 and candle shape lampshade 4 all adopts non-conducting material manufacture, possess good in power, avoided the danger of the easy electric shock that the metal shell design of traditional LED candle lamp brings, simultaneously, the all right high non-isolation drive power supply of efficiency of selection, improved the luminous efficiency of LED, caloric value during due to non-isolation drive power work is very low, can exert an influence to product heating hardly, the heat of this LED candle lamp integral body is further reduced, also easily process electromagnetic interference problem.This LED candle lamp structure is simple, and easy dissembling and-assembling has splendid radiating effect, can effectively improve the operating efficiency of LED lamp, the service life of prolongation light fixture.

The examples of implementation of the above are only the preferred embodiment of invention, not with this, limit practical range of the present invention, therefore the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.

Claims

1. a LED candle lamp that utilizes air to flow freely heat radiation from bottom to top, it includes Lamp cup (1), LED lamp pearl (2), heating column (3), candle shape lampshade (4) and FPC (5), LED lamp pearl (2) is installed on FPC (5), this FPC (5) is around being close to heating column (3) surface, described candle shape lampshade (4) is lower to upper along fixing assembling with Lamp cup (1), it is characterized in that: it also comprises upper spacer (6) and metal lower clapboard (7), upper spacer (6) is provided with air vent (601), metal lower clapboard (7) is provided with lower air vent (701), the tubular structure that described heating column (3) is up/down perforation, the upper air vent (601) of upper spacer (6) mates assembling with heating column (3) upper port, the lower air vent (701) of metal lower clapboard (7) mates assembling with the lower port of heating column (3), cup body at Lamp cup (1) is provided with a plurality of fresh air inlets (101), the cover body of candle shape lampshade (4) is provided with a plurality of exhaust vents (401), wherein, fresh air inlet (101), lower air vent (701), heating column (3), upper air vent (601) and exhaust vent (401) form air free-pouring aeration radiation system from bottom to top.

2. a kind of LED candle lamp that utilizes air to flow freely heat radiation from bottom to top according to claim 1, is characterized in that: the housing main body material that described Lamp cup (1) and candle shape lampshade (4) constitute is non-conducting material.