CN203309568U

CN203309568U - Led lamp

Info

Publication number: CN203309568U
Application number: CN2013202548577U
Authority: CN
Inventors: 陈灿荣
Original assignee: SUZHOU SHIDING ELECTRONICS CO Ltd
Current assignee: SUZHOU SHIDING ELECTRONICS CO Ltd
Priority date: 2013-05-10
Filing date: 2013-05-10
Publication date: 2013-11-27
Anticipated expiration: 2023-05-10

Abstract

The utility model relates to an LED lamp. The LED lamp comprises a body, an insulating heat conduction layer, a copper circuit layer and a plurality of LED components. According to the LED lamp, the copper circuit layer is directly arranged on the body of the lamp, and thus manufacturing cost can be reduced. Besides, in order to make the integrated LED lamp have a better heat dissipation property, heat dissipation material and heat conduction material are arranged on the outer side wall and the inner side wall of the body, and the heat dissipation effect of the body is enhanced.

Description

The LED light fixture

Technical field

The utility model is about a kind of LED fitting structure, refers to that especially its outside scribbles a kind of LED light fixture that ceramic heat-dissipating coating and its inside are provided with carbon nanotube.

Background technology

In recent years, light emitting diode (Light-Emitting Diode, LED) is applied on the lighting device of daily life widely.Due to LED, easily produce high heat when luminous, therefore, existing LED lighting device can assemble material or the utensil of assisting heat radiation usually.

Refer to Fig. 1, the exploded view of the light fixture of a kind of existing LED, as shown in Figure 1, the light fixture 1 ' of a kind of existing LED comprising: a housing 11 ' and a bearing substrate 12 ', wherein, this bearing substrate 12 ' is arranged on this housing 11 ' by a thermal conductive insulation glue 14 ', and on bearing substrate 12 ', is provided with a plurality of LED assemblies 13 '.Generally speaking, bearing substrate 12 ' is a metal substrate or a ceramic substrate; If using this metal substrate as the bearing substrate 12 ' of the plurality of LED assembly 13 ', it is comprised of a bottom aluminium sheet and a copper wire layer, wherein, uses the purpose of this bottom aluminium sheet to be to assist the 13 ' heat radiation of LED assembly.And, between this copper wire layer and bottom aluminium sheet, also can be coated with this thermal conductive insulation glue, with this, prevent the phenomenon that copper wire layer and bottom aluminium sheet are short-circuited.In addition, as shown in Figure 1, the surface of bottom aluminium sheet also is coated with the white paint 121 ' with insulation reflection function.

This housing 11 ' is one to have the metal shell of thermal conduction characteristic, and hull outside also is provided with a plurality of radiator structures 15 ', and so, when the plurality of LED assembly 13 ' was luminous, housing 11 ' can conduct heat to the plurality of radiator structure 15 ' to reach the effect of heat radiation.In addition, housing 11 ' inside is provided with to control the luminous control circuit module of this LED assembly 13 '.

In the light fixture 1 ' of existing LED, the plurality of LED assembly 13 ' sees through the mode of welding and is located on this bearing substrate 12 '.During welding LED assembly 13 ', prior to bearing substrate 12 ' surface-coated tin cream; Then, the mode with surface mount is positioned over LED assembly 13 ' on bearing substrate 12 '; Then, after utilizing hot blast thawing tin cream, then by cooling curing, LED assembly 13 ' is welded in to bearing substrate 12 '.

Therefore, via above-mentioned, designer of the present utility model can learn that the light fixture 1 ' of this LED is one of current existing fitting structure, it has quite good heat sinking function, and in addition, the welding manner of its LED assembly 13 ' is also quite simple, yet it still has following shortcoming.

1. utilize hot blast to melt in tin cream, due to high temperature action, often cause the deteriorated of this LED assembly 13 ', and affect the Integral luminous quality of the light fixture 1 ' of this LED.

2. hold above-mentioned the 1st point, and when tin cream is under Rong Rong state, hot blast continues to brush this LED assembly 13 ', will cause the 13 ' displacement of part LED assembly, cause the part LED assembly 13 ' can't be luminous.

3. in addition, the plurality of LED assembly 13 ' sees through this bearing substrate 12 ' and is arranged on this housing 11 ', yet, between the bottom aluminium sheet of bearing substrate 12 ' and housing 11 ', exist gap, the thermal resistance that the air in gap produces can make bottom aluminium sheet heat conduct to the deleterious of housing 11 '.

Therefore, creator of the present utility model is because the current light fixture of the existing LED of institute still has many shortcomings and deficiency, therefore do one's utmost in addition study and composition, finally researched and developed a kind of LED light fixture with great heat radiation effect of the present utility model.

The utility model content

Main purpose of the present utility model, be to provide a kind of LED light fixture, copper wire layer directly is arranged on the main body of light fixture, and, not by a bottom aluminium sheet or a circuit board, so can reduces the manufacturing cost of LED light fixture.

Another purpose of the present utility model, be to provide a kind of LED light fixture, copper wire layer directly is arranged on the main body of light fixture, and the mode of heat sink material and Heat Conduction Material is set by the lateral wall in main body and madial wall, strengthens the radiating effect of this main body.

In order to reach above-mentioned purpose of the present utility model, designer of the present utility model proposes a kind of LED light fixture, comprising:

One main body, be made of one piece by a metal material, and its inside has at least one control circuit module;

One thermal insulation layer, be arranged on a top surface of this main body, and wherein this top surface is provided with a plurality of holes;

One copper wire layer, be arranged on this thermal insulation layer, and be electrically connected with this control circuit module by being arranged in the wire group among this hole;

One welding resisting layer, cover this copper wire layer, wherein on this welding resisting layer, offers a plurality of welding windows, in order to expose a plurality of weld metal pads of this copper wire layer; And

A plurality of LED assemblies, be arranged on this welding resisting layer, and be welded to each other with the plurality of weld metal pad of this copper wire layer through the plurality of welding window.

LED light fixture as above, wherein, this welding resisting layer is formed on this copper wire layer by a white paint printing.

LED light fixture as above, also comprise a carbon nanotube layer, is arranged at the inwall of this main body.

LED light fixture as above, also comprise a heat-radiation coating bed of material, is formed at the lateral wall of this main body.

LED light fixture as above, wherein, the lateral wall of this main body also is formed with a fin formula structure, and this fin formula structure by a heat-conducting plastic material mode through imbedding ejaculation and be formed at the lateral wall of this main body.

LED light fixture as above, wherein, this heat-radiation coating bed of material is rice ceramic heat-dissipating coating, heat loss through radiation coating or boron nitride ceramics heat radiation coating for how.

LED light fixture as above, wherein, this main body is made through deeply taking out processing procedure by an aluminium sheet.

LED light fixture as above, wherein, this main body is made by an aluminium die casting processing procedure.

Compared with prior art, the beneficial effects of the utility model are:

1. in the utility model, at this LED light fixture 1, do not have the structures such as aluminium base or printed circuit board (PCB), therefore, needn't worry that LED assembly 14 can produce the phenomenon of displacement when welding, therefore can avoid occurring part LED assembly 14 because welding incomplete problem that can't be luminous.

2. hold above-mentioned the 1st point, and, because this LED light fixture 1 does not have the structures such as aluminium base or printed circuit board (PCB), therefore between its copper wire layer 13 and metal shell (being main body 11), do not have gap, therefore the heat that LED assembly 14 distributes when luminous, the directly loss via the heat radiation coating 111 of metal shell outside.

3. hold above-mentioned the 2nd point, simultaneously, because metal shell inside is provided with carbon nanotube layer 16 simultaneously, therefore, when those LED assemblies 14 are luminous, its heat of sending can see through thermal insulation layer 12 and be conducted to this main body 11, and then with this carbon nanotube layer 16 of this fin formula structure 115 and madial wall, gets rid of in many aspects the heat that those LED assemblies 14 send through this heat radiation coating 111 of main body 11 lateral walls.

The accompanying drawing explanation

Fig. 1 is the exploded view of the light fixture of existing a kind of existing LED;

Fig. 2 is the three-dimensional exploded view of a kind of LED light fixture of the present utility model;

Fig. 3 is the side sectional view of LED light fixture;

Fig. 4 is the second three-dimensional exploded view of a kind of LED light fixture of the present utility model.

Main symbol description in figure:

The 1:LED light fixture

11: main body 12: thermal insulation layer

13: copper wire layer 131: the weld metal pad

14:LED assembly 111: heat radiation coating

112: top surface 1121: hole

15: welding resisting layer 151: the welding window

115: fin formula structure 16: carbon nanotube layer

1 ': the light fixture 11 ' of existing LED: housing

12 ': bearing substrate 13 ': the LED assembly

The specific embodiment

A kind of LED light fixture proposed in order more clearly to describe the utility model, below will coordinate graphicly, elaborate preferred embodiment of the present utility model.

Refer to Fig. 2 and Fig. 3, the three-dimensional exploded view of a kind of LED light fixture of the present utility model and side sectional view thereof.As shown in Figure 2 and Figure 3, LED light fixture 1 of the present utility model comprises: a main body 11, a thermal insulation layer 12, a copper wire layer 13, a welding resisting layer 15 and a plurality of LED assemblies 14, wherein, this main body 11 is made of one piece by the metal material with good heat conductive characteristic, and its inside has at least one control circuit module (not icon), and its lateral wall is coated with a heat radiation coating 111.In practical application, this heat radiation coating 111 has multiple choices, such as: materials such as rice ceramic heat-dissipating coating, heat loss through radiation coating or boron nitride ceramics heat radiation coating how all can be used as this heat radiation coating 111.

Consult unceasingly Fig. 2 and Fig. 3, this thermal insulation layer 12 is arranged on a top surface 112 of this main body 11, and wherein this top surface 112 is provided with a plurality of holes 1121; And this copper wire layer 13 is arranged on this thermal insulation layer 12, wherein, copper wire layer 13 is electrically connected with this control circuit module by being arranged in the wire group (not icon) among this hole 1121.Moreover this welding resisting layer 15 covers this copper wire layer 13, wherein on welding resisting layer 15, offers a plurality of welding windows 151, in order to expose a plurality of weld metal pads 131 of this copper wire layer 13.Finally, the plurality of LED assembly 14 namely is arranged on welding resisting layer 15, and is welded to each other with this weld metal pad 131 of this copper wire layer 13 through the plurality of welding window 151.So design, when those LED assemblies 14 were luminous, its heat of sending can see through thermal insulation layer 12 and be conducted to this main body 11, and then gets rid of through this heat radiation coating 111 of main body 11 lateral walls the heat that those LED assemblies 14 send.

In addition, what must specify is, in the utility model, welding resisting layer 15 is formed on this copper wire layer 13 by a white paint printing, its Main Function is as follows: due to the scolding tin on those weld metal pads 131 may because high-temperature heating and left and right flow, and the effect of welding resisting layer 15 is exactly mainly to be that the left and right that Fang Zhi Rong melts scolding tin flows, needn't worry that therefore the process rate of LED light fixture occurs to promote in this way for situation that adjacent two weld metal pads 112 can be connected with each other because flow in the left and right of scolding tin.

Please continue to consult Fig. 4, the second three-dimensional exploded view of this LED light fixture.As shown in Figure 4, in order further to increase the heat dissipation of this LED light fixture 1, can when manufacturing, form fin formula structures 115 at these main body 11 lateral walls, wherein this fin formula structure by a heat-conducting plastic material mode through imbedding ejaculation and be formed at the lateral wall of this main body 11; Perhaps, as shown in Figure 3, in the inwall of main body 11, a carbon nanotube layer 16 is set; So, when those LED assemblies 14 are luminous, its heat of sending can see through thermal insulation layer 12 and be conducted to this main body 11, and then with this carbon nanotube layer 16 of this fin formula structure 115 and madial wall, gets rid of in many aspects the heat that those LED assemblies 14 send through this heat radiation coating 111 of main body 11 lateral walls.

Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection domain, this modification or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.

Claims

1. a LED light fixture, is characterized in that, comprising:

2. LED light fixture according to claim 1, is characterized in that, wherein, this welding resisting layer is formed on this copper wire layer by a white paint printing.

3. LED light fixture according to claim 2, is characterized in that, also comprises a carbon nanotube layer, is arranged at the inwall of this main body.

4. LED light fixture according to claim 3, is characterized in that, also comprises a heat-radiation coating bed of material, is formed at the lateral wall of this main body.

5. LED light fixture according to claim 1, is characterized in that, wherein, the lateral wall of this main body also is formed with a fin formula structure, and this fin formula structure by a heat-conducting plastic material mode through imbedding ejaculation and be formed at the lateral wall of this main body.

6. LED light fixture according to claim 4, is characterized in that, wherein, this heat-radiation coating bed of material is rice ceramic heat-dissipating coating, heat loss through radiation coating or boron nitride ceramics heat radiation coating for how.

7. LED light fixture according to claim 1, is characterized in that, wherein, this main body is made through deeply taking out processing procedure by an aluminium sheet.

8. LED light fixture according to claim 1, is characterized in that, wherein, this main body is made by an aluminium die casting processing procedure.