CN202338798U - LED (light-emitting diode) lamp with graphite substrate - Google Patents
LED (light-emitting diode) lamp with graphite substrate Download PDFInfo
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- CN202338798U CN202338798U CN2011204489273U CN201120448927U CN202338798U CN 202338798 U CN202338798 U CN 202338798U CN 2011204489273 U CN2011204489273 U CN 2011204489273U CN 201120448927 U CN201120448927 U CN 201120448927U CN 202338798 U CN202338798 U CN 202338798U
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Abstract
The utility model relates to an LED (light-emitting diode) lamp with a graphite substrate, which includes the graphite substrate and an LED module, wherein the graphite substrate includes a graphite layer in the middle, and an upper insulation layer and a circuit layer are sequentially arranged above the graphite layer; a lower insulation layer and a reinforcement layer are sequentially arranged below the graphite layer; the circuit layer, the upper insulation layer, the graphite layer, the lower insulation layer and the reinforcement layer are fixedly connected in press fit; the LED module is fixed on the circuit layer of the graphite substrate, and a supply terminal of the LED lamp of the LED module is electrically connected with the circuit layer. The LED lamp adopts the graphite as the substrate, and the graphite has the isotropic heat conduction performance; during the operation, the LED module transfers heat to the graphite, the graphite uniformly emits heat all around, the temperature difference between different positions of the substrate is small, and the deformation due to local overheating is avoided; at the same time, the graphite has the advantages of high temperature resistance and corrosion resistance, and is not liable to oxidize; and furthermore, through adopting the graphite substrate, the LED lamp can have a longer service life.
Description
Technical field
The utility model relates to a kind of LED lamp, specifically, relates to a kind of LED lamp that has graphite substrate.
Background technology
Along with the development of society, energy problem, problem of environmental pollution become increasingly conspicuous, so energy-conserving and environment-protective have become the direction of current science and technology research, and the LED lamp has progressively replaced the light fixture of traditional high energy consumption as the light of a kind of low energy consumption, pollution, like incandescent lamp etc.Continuous application along with the LED lamp; Progressively to the high power high luminance development, because the input power of LED lamp still has only few part to be converted into luminous energy now, other power is converted into heat energy to the LED lamp entirely; In use; If these heat energy can not distribute timely, will cause the led chip temperature too high, thereby influence luminous intensity and service life.The heat conductivility influence that the LED heat-sinking capability receives encapsulation mode usually and uses material; And great power LED adopts plate packaged type usually; Because under plate packaged type, chip can be combined closely with substrate, and heat can distribute through substrate rapidly; And the radiating mode of this packaged type is that to dispel the heat with the hot transmission mode be main, and selecting for use of substrate is quite crucial.
The heat-radiating substrate of at present common LED lamp is the aluminium base of high thermal conductivity coefficient, but because yielding under the aluminium base high temperature, and corroded easily; Be unfavorable for the use of high-power LED lamp, when high-power LED lamp used, aluminium base can cause the result of use variation because overheated and deformation takes place; The easy oxidation of aluminium base under the high temperature causes service life shorter simultaneously.Therefore people have developed the LED lamp of graphite substrate, and the LED lamp of some graphite substrates on the market is because unreasonable structure, and graphite is the good conductor of electricity, have hidden danger safe in utilization.
Summary of the invention
The purpose of the utility model is to solve the deficiency of prior art, and a kind of LED lamp that has graphite substrate is provided, and this LED light fixture that has graphite substrate has high temperature resistance, corrosion-resistant, perfect heat-dissipating, characteristics safe in utilization.
The technical scheme that the utility model adopts is:
A kind of LED lamp that has graphite substrate comprises graphite substrate and LED module, and said graphite substrate comprises the graphite linings that is positioned at the middle part, and the top of graphite linings is provided with insulating barrier and line layer successively; The below of graphite linings is provided with down insulating barrier and strong layer successively; Said line layer, go up insulating barrier, graphite linings, insulating barrier and strong layer connect through pressing and fixing down; Said LED module is fixed on the line layer of graphite substrate, and the supply terminals of the LED lamp of LED module is electrically connected with said line layer.
As preferably, said line layer is the last copper foil layer that Copper Foil is made.
As preferably, said strong layer is a metal level.
Further, said metal level is the following copper foil layer that Copper Foil is made.
Further, said graphite substrate thickness is 1.2mm.
The beneficial effect of the utility model is: a kind of LED lamp that has graphite substrate, comprise graphite substrate and LED module, and said graphite substrate comprises the graphite linings that is positioned at the middle part, the top of graphite linings is provided with insulating barrier and line layer successively; The below of graphite linings is provided with down insulating barrier and strong layer successively; Said line layer, go up insulating barrier, graphite linings, insulating barrier and strong layer connect through pressing and fixing down; Said LED module is fixed on the line layer of graphite substrate, and the supply terminals of the LED lamp of LED module is electrically connected with said line layer.The utility model adopts graphite as substrate, and graphite has the heat-conductive characteristic of isotropy, when the LED module is worked, its heat transferred graphite, graphite uniformly to around distribute, substrate having a narrow range of temperature everywhere can be out of shape because of hot-spot; Simultaneously graphite has high temperature resistant, decay resistance, be difficult for oxidized, long service life; Adopt graphite substrate can prolong the service life of LED light fixture; Graphite linings be equipped with insulating barrier up and down, make device safe in utilization.
Description of drawings
Fig. 1 is the schematic top plan view of the utility model.
Fig. 2 is the cross-sectional schematic of the structure of the utility model.
Reference numeral:
1---graphite substrate 11---strong layer 12---line layer
13---go up the following insulating barrier of insulating barrier 14---graphite linings 15---
2---LED module 21---LED lamp.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described.
Embodiment:
Like Fig. 1, shown in Figure 2, a kind of LED lamp that has graphite substrate 1 comprises graphite substrate 1 and LED module 2, and said graphite substrate 1 comprises the graphite linings 14 that is positioned at the middle part, and the top of graphite linings 14 is provided with insulating barrier 13 and line layer 12 successively; The below of graphite linings 14 is provided with down insulating barrier 15 and strong layer 11 successively; Said line layer 12, go up insulating barrier 13, graphite linings 14, insulating barrier 15 and strong layer 11 connect through pressing and fixing down; Said LED module 2 is fixed on the line layer 12 of graphite substrate 1, and the supply terminals of the LED lamp 21 of LED module 2 is electrically connected with said line layer 12.
The utility model adopts graphite substrate 1 to replace the traditional aluminum base plate; In use; The heat that LED module 2 sends scatters and disappears through graphite substrate 1, and heat is the radiating end that is diffused into graphite uniformly, and graphite substrate 1 temperature everywhere differs less; Thereby guaranteed that graphite substrate 1 can not strengthen because of the amount of localized heat accumulation, and caused local deformation to influence the service life of LED light fixture.Graphite has resistance to elevated temperatures and decay resistance simultaneously, is difficult for by airborne dioxygen oxidation and acidifying, long service life.Graphite linings 14 belows are provided with strong layer 11, can improve the intensity of graphite substrate 1, and graphite is the good conductor of electricity simultaneously, insulating barrier 15 is set down can prevents that graphite substrate 1 from receiving ectocine.
As preferably, said line layer 12 is the last copper foil layer that Copper Foil is made.
Line layer 12 can adopt various metals to make, and the electric conductivity and the intensity of Copper Foil are better.Also can adopt materials such as aluminium and copper alloy.
As preferably, said strong layer 11 is a metal level.
Adopt metal reinforced substrate, intensity is high, good stability.
Further, said metal level is the following copper foil layer that Copper Foil is made.
Further, said graphite substrate 1 thickness is 1.2mm.
Because of adopting graphite as heat-radiating substrate, in order to guarantee rate of heat dispation, so its thickness should design less, it is 1.2mm that present embodiment adopts thickness.
The utility model has been done at length explanation, and those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and does not break away from the essence and the scope of the utility model technical scheme.
Claims (5)
1. a LED lamp that has graphite substrate comprises graphite substrate and LED module, it is characterized in that: said graphite substrate comprises the graphite linings that is positioned at the middle part, and the top of graphite linings is provided with insulating barrier and line layer successively; The below of graphite linings is provided with down insulating barrier and strong layer successively; Said line layer, go up insulating barrier, graphite linings, insulating barrier and strong layer connect through pressing and fixing down; Said LED module is fixed on the line layer of graphite substrate, and the supply terminals of the LED lamp of LED module is electrically connected with said line layer.
2. a kind of LED lamp that has graphite substrate according to claim 1 is characterized in that: said line layer is the last copper foil layer that Copper Foil is made.
3. a kind of LED lamp that has graphite substrate according to claim 1 is characterized in that: said strong layer is metal level.
4. a kind of LED lamp that has graphite substrate according to claim 3 is characterized in that: said metal level is the following copper foil layer that Copper Foil is made.
5. a kind of LED lamp that has graphite substrate according to claim 1, it is characterized in that: said graphite substrate thickness is 1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204489273U CN202338798U (en) | 2011-11-14 | 2011-11-14 | LED (light-emitting diode) lamp with graphite substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204489273U CN202338798U (en) | 2011-11-14 | 2011-11-14 | LED (light-emitting diode) lamp with graphite substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338798U true CN202338798U (en) | 2012-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204489273U Expired - Fee Related CN202338798U (en) | 2011-11-14 | 2011-11-14 | LED (light-emitting diode) lamp with graphite substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202338798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744718A (en) * | 2014-12-11 | 2016-07-06 | 深南电路有限公司 | Heat dissipation PCB and processing method thereof |
| CN105984867A (en) * | 2015-02-13 | 2016-10-05 | 柯品聿 | Artificial graphite flake and manufacturing method thereof, and graphite substrate stack structure containing artificial graphite flake |
-
2011
- 2011-11-14 CN CN2011204489273U patent/CN202338798U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744718A (en) * | 2014-12-11 | 2016-07-06 | 深南电路有限公司 | Heat dissipation PCB and processing method thereof |
| CN105984867A (en) * | 2015-02-13 | 2016-10-05 | 柯品聿 | Artificial graphite flake and manufacturing method thereof, and graphite substrate stack structure containing artificial graphite flake |
| CN105984867B (en) * | 2015-02-13 | 2018-03-30 | 柯品聿 | Electrographite piece and its manufacture method, the graphite substrate stack architecture of the piece containing electrographite |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523000 Po Ting Road, Ting Shan village, Houjie Town, Houjie Town, Dongguan, Guangdong Patentee after: Guangdong Xianglong new energy Co., Ltd. Address before: 523946 Xianggang second industrial area, Houjie village, Dongguan, Guangdong, Dongguan Xianglong Energy Technology Co., Ltd. Patentee before: Dongguan Xianglong Energy Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20201114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |