CN201206775Y

CN201206775Y - LED lamp cover with heat radiation function

Info

Publication number: CN201206775Y
Application number: CNU2008201174049U
Authority: CN
Inventors: 陈志蓬
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2008-05-25
Filing date: 2008-05-25
Publication date: 2009-03-11
Anticipated expiration: 2018-05-25

Abstract

A radiating LED lampshade is made of a heat-conducting material, wherein a plane defined on the lampshade is designed as a contact part for an LED module to insert; a reflecting part is extended outwards from at least one side of the contact part, and used for converging the light sources of an LED to be reflected outwards. The radiating LED lampshade conducts heat sources generated by the LED through the contact part of the lampshade, can directly diffuse the heat sources outwards through the reflecting part of the lampshade, thereby achieving the radiating effect.

Description

The shaped LED lampshade of tool heat radiation

Technical field

This creation is about a kind of shaped LED lampshade, particularly a kind of shaped LED lampshade of tool radiating effect.

Background technology

Because the appearance of ultra-high brightness LED (light emitting diode), reach reaching its maturity of white light LEDs technology, be applied to products such as desk lamp, projecting lamp and develop out gradually, the LED illumination epoch have arrived, following even can replace incandescent osram lamp, become the main light source of room lighting.

And LED (Light Emitting Diode; Light emitting diode) is a kind of semiconductor subassembly, being different from traditional incandescent osram lamp makes filament heat to luminous with big electric current, system utilize in the semi-conducting material electronics electricity hole in conjunction with the time show the energy that it discharges in luminous mode, only need a minimum electric current can inspire suitable light in order to do LED.

Yet the maximum technical problem point of LED is to be heat dissipation problem at present; Because LED brightness increases gradually, make the heat of supervening in the LED luminescence process also sharply rise, if fail in real time heat to be derived, LED is shortened service life, more may cause nearby electronic components to damage, even cause fire, therefore, how the heat of LED generation is derived in real time, a big problem of endeavouring to study for relevant dealer.

In known techniques; general lampshade only can only provide light emitting diode to be arranged at its lampshade inside; provide its simple effect by surface within the cover body in order to optically focused or refraction or protection; but be to have no to help for the effect in the heat radiation; therefore when temperature is too high, light emitting diode may be burnt or together damages together with lampshade; so radiator need additionally be set; heat pipe; the assembly of radiating fin or the like tool radiating effect or the fan of setting up the tool radiating effect are helped heat radiation; and extra the consider size shape of radiating subassembly and the mode of setting of needing gone up in design for lampshade; and then the volume that needs the increase lampshade is quite not convenient and will greatly improve production cost, so known techniques has following shortcoming:

1. radiating effect is not good;

2. need additionally set up radiating subassembly and help heat radiation;

3. production cost is higher.

Be with, how to solve above-mentioned problem of commonly using and disappearance, the creator who is this case and the relevant manufacturer that is engaged in the industry desire most ardently the direction place person of research improvement.

The utility model content

The main purpose of this creation is that a kind of shaped LED lampshade that radiating subassembly promptly has radiating effect that do not need additionally to set up is provided.

For reaching above-mentioned purpose; this creation provides a kind of shaped LED lampshade of tool heat radiation; this shaped LED lampshade is that a kind of material of tool heat conduction is made; and definition has a plane to be made as contact site on this shaped LED lampshade; this contact site can be plugged by at least one light-emitting diode (LED) module; and stretch at least one epitaxial lateral overgrowth of this contact site and to be provided with an extension; system can increase the area of dissipation of this lampshade; and the light and the function of protecting this light-emitting diode (LED) module that have the alien influence of covering in addition; conduct the thermal source of this light emitting diode generation by the contact site of this shaped LED lampshade; and see through the whole area that contacts with air of this shaped LED lampshade can be directly with thermal source to external diffusion, use the effect that reaches heat radiation.

In the shaped LED lampshade of described tool heat radiation, side-line can have additional a reflective surface with reflecting effect in its extension.

In the shaped LED lampshade of described tool heat radiation, the material of its heat conduction system can be copper material.

In the shaped LED lampshade of described tool heat radiation, the material of its tool heat conduction system can be aluminium material.

In the shaped LED lampshade of described tool heat radiation, its light-emitting diode (LED) module is provided with at least one light emitting diode.

This creation has following advantage:

1. saving production cost simple in structure;

2. do not need additionally to set up in addition radiating subassembly;

3. area of dissipation has splendid radiating effect greatly.

Description of drawings

Fig. 1 creates the decomposing schematic representation of a preferred embodiment for this;

Fig. 2 is this schematic appearance of creating a preferred embodiment;

Fig. 3 is this shaped LED lampshade view of creating a preferred embodiment.

Accompanying drawing primary clustering symbol description

Shaped LED lampshade 1, circuit board 201, extension 10, light-emitting diode (LED) module 30, reflective surface 101, light emitting diode 301, contact site 20, the external light 40 that influences.

The specific embodiment

This creation system provides a kind of shaped LED lampshade of tool heat radiation, diagram is this creation preferred embodiment, see also Fig. 1, shown in Figure 2, the material that this shaped LED lampshade 1 is a kind of tool heat conduction is made, definition has a plane to be set as contact site 20 on this shaped LED lampshade 1, and this contact site 20 is to plug at least one light-emitting diode (LED) module 30, and stretch out in these contact site 20 at least one side-lines and to be provided with an extension 10, this extension 10 removes the light and this light-emitting diode (LED) module of protection with the alien influence of covering, interior surface thereof also can be assembled outside the function of reflection source, and in addition the main design of this creation is the radiating subassembly that the extension 10 of lampshade is used as light emitting diode; Therefore the thermal source that is produced by contact site 20 these light-emitting diode (LED) modules 30 of conduction of this shaped LED lampshade 1, and through this shaped LED lampshade 1 directly with thermal source to external diffusion, use the effect that reaches heat radiation; So this creation does not need additionally to set up in addition radiating subassembly again, can see through this shaped LED lampshade 1 and contact directly heat radiation with air, the simple lampshade compared to known techniques has excellent heat radiation function really.

See also shown in Figure 3, be to plug at least one light-emitting diode (LED) module 30 as shown in the figure on the contact site 20 of this shaped LED lampshade 1, light-emitting diode (LED) module 30 is by a light emitting diode 301 (Light Emitting Diodes, be called for short LED) form with a circuit board 201, this circuit board 201 is to be arranged on this contact site 20 this light emitting diode 301 to be inserted on this circuit board 201 again, when ordering about this light emitting diode 301 and send light source, this circuit board 201 will produce thermal source, see through this contact site 20 thermal source of circuit board 201 generations is done conduction, can thermal source outwards be done diffusion to reach the effect of heat radiation by this shaped LED lampshade 1 other each position;

Extension 10 set on other this shaped LED lampshade 1 of person is own except that the area of dissipation that can increase this shaped LED lampshade 1; other has the light source 40 of the alien influence of covering and protects the effect of light-emitting diode (LED) module 30; these extension 10 inboard cordings have the effect that can outwards do a reflection to the light source of these light-emitting diode (LED) module 30 generations; as need better reflecting effect is arranged; system can set up a reflective surface 101 in these extension 10 inboards; when this light-emitting diode (LED) module 30 sends light source; but this extension 10 of mat is done the external light 40 that influences to cover; and see through this reflective surface 101 and the light source that this light-emitting diode (LED) module 30 sent is done reflection to the same side influence illumination, and then make the radiation response of this light-emitting diode (LED) module 30 better to avoid the light source scattering.

Claims

1, a kind of shaped LED lampshade of tool heat radiation, it is characterized in that this lampshade is a kind of material of tool heat conduction, definition has a plane to be made as contact site on this lampshade, this contact part can plug at least one light-emitting diode (LED) module, and stretches at least one epitaxial lateral overgrowth of this contact site and to be provided with an extension.

2. the shaped LED lampshade of tool heat radiation according to claim 1 is characterized in that side-line in described this extension can have additional a reflective surface with reflecting effect.

3. the shaped LED lampshade of tool heat radiation according to claim 1 is characterized in that the material system of described heat conduction can be copper material.

4. the shaped LED lampshade of tool heat radiation according to claim 1 is characterized in that the material system of described tool heat conduction can be aluminium material.

5. the shaped LED lampshade of tool heat radiation according to claim 1 is characterized in that described light-emitting diode (LED) module is provided with at least one light emitting diode.