Background technology
LED has the advantages that luminous efficiency height, power saving and life-span length, and therefore its application is more and more extensive.Due to LED
When luminous, the temperature of its own can gradually rise, during the continuous firing of lighting device, if produced by LED
Heat cannot disperse in time, will cause the light source assembly damage and affect the service life of lighting device.
At present, the LED bulb of prior art is typically radiated by independent radiating piece, and such as authorized announcement date is 2012
April 25, the Chinese invention patent of Patent No. 201120307527.0 disclose radiating LED bulb radiator structure.The LED
Lamp bulb radiating structure includes the radiating part of bulb rack and rack-mount fin, these fin and LED lamp
Divide directly contact, so that heat is delivered on fin, fin is radially distributed and is provided with multiple thermal vias, Lamp cup
Partial bottom surface is provided with multiple openings for allowing fin to penetrate, and fin penetrates fixation by opening.
Although this method can play a part of radiating, need the fin for arranging more, and Lamp cup part will set
Put multiple openings fin is installed, this allows for the LED heavier-weight;When this LED is made, since it is desired that making respectively
Make fin and LED lamp, and it also requires open up in LED lamp can be with the opening of fixing cooling fins, so this LED makes
Get up complex, cost of manufacture is higher.
Content of the invention
The invention is intended to provide one kind need not install fin, just have good radiating effect and manufacture craft simple,
Lower-cost LED.
A kind of LED in this programme, including lamp body, lamp holder, lamp socket and lampshade, lamp body is connected on lamp holder, lamp holder spiral shell
Line is connected on lamp socket, and on lamp body, described lampshade includes left half edge cover and right half edge cover to lampshade, described half edge cover of a left side
It is slidably socketed with right half edge cover, described lampshade is slidably connected at lamp socket bottom, lampshade wall and lamp socket pars intramuralis are all hollow, lamp socket
Wall is communicated with blower fan, and lamp socket wall is provided with the first opening near the side of lampshade, lampshade wall near the side of lamp socket wall have for
It is open with the second of the first open communication, lampshade wall has the 3rd opening away from the side of lamp socket wall, the second opening is arranged on the
Between one opening and lamp holder, lamp socket wall is electrically connected when being additionally provided with for the first opening and the second open communication near the side of lampshade
The touching switch of motor, is provided with sliding shoe in described lampshade, is hinged with first connecting rod on left half edge cover inwall, in right half edge cover
Second connecting rod is hinged with wall, and first connecting rod and second connecting rod are all hinged on sliding shoe, and described sliding shoe is connected with fairlead,
Described fluorescent tube is in annular helical form, and described fluorescent tube top mutually has memory metal, and memory metal is arranged in fairlead.
The know-why of this programme is:Lamp body is connected on lamp holder, and cap screw thread is connected on lamp socket, and lampshade is in lamp body
On, constitute LED lamp structure;Fluorescent tube top mutually has memory metal, and memory metal is arranged in fairlead, after LED energising, sends out
Optical element is luminous, heating, and memory metal is heated and expands, and memory metal is expanded along in fairlead;Sliding shoe is connected with guiding
Set, memory metal are offseted with sliding shoe, promote sliding shoe to move to the direction away from fluorescent tube;Left half edge cover is slided with right half edge cover
Socket, is hinged with first connecting rod on left half edge cover inwall, is hinged with second connecting rod, first connecting rod and second on right half edge cover inwall
Connecting rod is all hinged on sliding shoe, and sliding shoe causes first connecting rod and second connecting rod to rotate, first connecting rod and second connecting rod
Between angle increase, first connecting rod and second connecting rod are promoted and are slid in and out between left half edge cover and right half edge cover so that in lampshade
The space in portion becomes big, and the range of exposures of light increases;Lampshade wall and lamp socket pars intramuralis all hollow, lamp socket wall is communicated with blower fan, lamp
Seat wall be provided with the first opening near the side of lampshade, lampshade wall near the side of lamp socket wall have for the first open communication
Second opening, lampshade wall have the 3rd opening away from the side of lamp socket wall, and the second opening is arranged between the first opening and lamp holder,
Lamp socket wall is additionally provided with for the first opening and the touching switch of the three-way motor that is electrically connected during the second open communication near the side of lampshade, left
Half edge cover is slid in and out with right half edge cover encounters touching switch, and blower fan starts, while first is open and the second open communication, wind enters
Enter in lamp socket wall, entered in lampshade wall by the first opening and the second opening that connect, be then open away from the 3rd, be LED
Lamp is lowered the temperature so that the radiating effect of LED obtains more preferably improve the service life of LED;After LED is closed, lamp hole temperature
Be reduced to room temperature, memory metal shrinks, contract back to original position along fairlead and meanwhile left half edge cover and right half edge cover it
Between opposed, inwardly directed slip, LED returns to original state, and, away from touching switch, blower fan is out of service for lampshade.
The having the beneficial effect that of this programme:1st, fluorescent tube be arranged to annular helical form be in order to increase the light-emitting area of fluorescent tube
Product, improves the brightness of fluorescent tube, while avoiding the length of fluorescent tube long, the space of occupancy is big, and sliding between the gap that fluorescent tube is formed has
Memory metal, improves space availability ratio.2nd, memory metal is heated and expands, and memory metal expands against cunning along fairlead
Motion block, sliding shoe promote left half edge cover to slide in and out with right half edge cover by first connecting rod and second connecting rod, the space in lampshade
Become big, light is irradiated on lampshade wall and reflects, and the illumination zone of light is increased, while light is carried out instead on memory metal surface
Penetrate, reflection light is entered in illumination zone, strengthens illuminating effect;3rd, this LED is only heated by memory metal and is deformed upon,
Change the size of lampshade, increase illumination zone, its simple structure, low production cost, while after LED closes cooling, memory
Metal recovers deformation so that the overall structure of LED diminishes, and improves the utilization rate in space;4th, lampshade slides, and touches touching
Switch, starts blower fan, while the first opening of lamp socket wall and the second open communication of lampshade wall, extraneous cold air is introduced lamp
In seat wall and lampshade wall, it is LED cooling, improves the service life of LED.
Further, described lamp body includes light-emitting component, lamp bracket and fluorescent tube, and light-emitting component is arranged on lamp bracket, lamp bracket position
In fluorescent tube, nitrogen in fluorescent tube, is filled with.Light-emitting component is fixed on lamp bracket, has a supporter, nitrogen is used as one
Shielding gas is planted, prevents heater element oxidized.
Further, described lampshade is in circular platform type.Light after LED can be enable to light is concentrated, and is obtained big
Illumination zone.
Further, the inner surface of described lampshade is matsurface.The light that LED is sent after lighting enters on the surface of lampshade
Row diffusing reflection so that light is reflected from all quarter, the scope that light irradiates increase.
Further, the inner surface of described lampshade scribbles reflectorized material.The reflecting effect of lampshade inwall can be strengthened, improved
Illuminating effect.
Further, described tube outer wall scribbles ZS-411 radiation cooling coating.ZS-411 radiation cooling coating energy
Enough radiatings for effectively improving surface of the light tube, the heat that accelerates in fluorescent tube is conducted heat to the outside of fluorescent tube, so as to improve fluorescent tube
Heat absorption rate, improve the service life of LED.
Further, the making material of described lampshade is heat-conducting silicone grease.The thermal conductivity factor of heat-conducting silicone grease is big, and lampshade can be carried
The high speed for reducing lampshade internal temperature, the temperature in lampshade is further reduced, when being conducive to the use for increasing LED
Between, improve the quality of LED.
Embodiment is referred to shown in Fig. 1 and Fig. 2 substantially:A kind of LED, including lamp socket 1, in the spiral helicine fluorescent tube 3 of annular,
Lamp holder 2, light-emitting component 4, circular platform type lampshade 6, the inside of 1 wall of lamp socket and 6 wall of circular platform type lampshade are all hollow, pacify on the right side of 1 wall of lamp socket
Equipped with blower fan 13, the outlet of blower fan 13 is connected with 1 wall of lamp socket, and the first opening 15, circular platform type lampshade 6 are left in the bottom of 1 wall of lamp socket
Upside leave the second opening 16 for the first opening 15 of connection, the upside of circular platform type lampshade 6 has the 3rd opening 17, lamp socket
1 bottom right side is provided with the touching switch 14 of the ventilation blower 13 that is electrically connected when connecting with the second opening 16, round platform for the first opening 15
Type lampshade 6 slidably starts touching switch 14, and lamp holder 2 is threaded on lamp socket 1, scribbles ZS-411 on the outer wall of fluorescent tube 3
Radiation cooling coating, fluorescent tube 3 are sintered on lamp holder 2, and inside fluorescent tube 3, circular platform type lampshade 6 is slidably connected light-emitting component 4
On lamp socket 1, the inner surface rough surface of circular platform type lampshade 6 and reflectorized material is scribbled, circular platform type lampshade 6 includes left half edge cover 7
With right half edge cover 8, first connecting rod 11 in left half edge cover 7, is articulated with, in right half edge cover 8, is articulated with second connecting rod 12, first
The lower end of connecting rod 11 and second connecting rod 12 is all hinged on the upper end of sliding shoe 10, and the lower end of sliding shoe 10 is connected with fairlead 9, fluorescent tube
3 lower sections for being located at fairlead 9, memory metal 5 are offseted with the top of the annular spire of fluorescent tube 3, and memory metal 5 is located at and is oriented to
In set 9.
After LED energising, light-emitting component 4 is luminous, heating, and in LED, temperature is raised, and Nitinol memory metal 5 is heated
Expanded along in fairlead 9 upwards, Nitinol memory metal 5 is offseted with moving mass stress, promote moving mass to move upwards, the
One connecting rod 11 and second connecting rod 12 are rotated, and the angle between first connecting rod 11 and second connecting rod 12 increases, and promote left half edge cover, 7 He
Right half edge cover 8 slides in and out, and the space in circular platform type lampshade 6 increases, and illumination zone increases, while right half edge cover, 8 sliding contact
Touching switch 14, starts touching switch 14, and blower fan 13 starts, and the first opening 15 is connected with the second opening 16, and wind enters 1 wall of lamp socket
In 6 wall of circular platform type lampshade, go out from the 3rd opening 17, lower the temperature to LED, after LED is closed, all parts return to original state
State, blower fan 13 stop.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge here such as concrete structure and characteristic is not made
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, acceptable
Some deformation and improvement is made, these should also be considered as protection scope of the present invention, these are implemented all without the impact present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.