CN203893121U - LED flat plate radiator - Google Patents
LED flat plate radiator Download PDFInfo
- Publication number
- CN203893121U CN203893121U CN201420209247.XU CN201420209247U CN203893121U CN 203893121 U CN203893121 U CN 203893121U CN 201420209247 U CN201420209247 U CN 201420209247U CN 203893121 U CN203893121 U CN 203893121U
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- China
- Prior art keywords
- cavity
- heat
- conducting plate
- base plate
- plate
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- Expired - Fee Related
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an LED radiator, belongs to the technical field of heat dissipation and discloses an LED flat plate radiator which comprises a rectangular heat conduction plate and a plurality of cooling fins. A sealing cavity is positioned in the heat conduction plate, a plurality of communicated cavity bodies are positioned in the cavity, the bottom of the cavity is provided with a plurality of tiny protrusions, the cavity is filled with a phase change heat transfer medium, the cooling fins are arranged on the heat conduction plate at equal intervals along the long side of the heat conduction plate, and the heat conduction plate and the cooling fins are formed by an aluminum alloy sectional material through integrated extrusion. The cavity bodies in the cavity of the heat conduction plate are communicated, the phase change heat transfer medium in the cavity is heated and boils, steam quickly fills each part of the cavity, the temperature of each point of a base plate tends to be consistent, all the cooling fins can work effectively, the cooling evenness is improved, the hollow base plate structure reduces product weight, and an installation angle is not limited.
Description
Technical field
The utility model relates to heat sink technology, especially relates to a kind of LED flat radiator.
Background technology
Current LED radiator common are two kinds, heronsbill type LED radiator and plate LED radiator.Heronsbill type LED radiator adopts gravity assisted heat pipe technology, has good heat dispersion, but setting angle is had to certain limitation.Plate LED radiator is made up of base plate and some radiating fins of hollow, and the base plate of hollow is separated into some independently cavitys, is provided with heat transfer medium in cavity.Although the plate LED radiator of this structure does not limit setting angle, but because its each cavity is independently, heat transfer medium can only circulate in each cavity, and distance between each cavity and thermal source is different, lower apart from the heat transfer medium utilization rate in thermal source cavity far away, therefore cause heat radiation uniformity bad.
Utility model content
The purpose of this utility model is to provide a kind of LED flat radiator, and main body adopts aluminium alloy extrusions integrated extrusion molding, and the each cavity in the cavity of this LED flat radiator base plate is interconnected, and has both alleviated product weight, has improved again heat radiation uniformity.
The utility model is achieved through the following technical solutions:
A kind of LED flat radiator, comprise rectangle heat-conducting plate and some radiating fins, in described heat-conducting plate, be provided with sealed cavity, this cavity is by the base plate of heat-conducting plate, top board and be placed in a pair of long sidewall and a pair of short sidewall composition between top board and the base plate of this heat-conducting plate, in this cavity, be provided with the installation reinforcement some equal in length of the integrated molding being connected between base plate and top board, the short sidewall that this installation reinforcement is parallel to cavity is arranged between two long sidewalls of cavity, between the two ends of installation reinforcement and two long sidewalls, leave spacing, the base plate of described heat-conducting plate is provided with some minute protrusions towards the one side of cavity, in described cavity, be filled with can phase-change heat transfer medium, described radiating fin is equidistantly arranged on the top board of heat-conducting plate along the long limit of heat-conducting plate, heat-conducting plate and radiating fin adopt aluminium alloy extrusions integrated extrusion molding.
Described medium that can phase-change heat transfer has been full of the cavity of cavity 4/5ths.
Spacing between two long sidewalls of the two ends of described installation reinforcement and cavity is 2 millimeters.
Described radiating fin is arranged to both sides from middle successively from high to low along the long limit of heat-conducting plate.
The surface of described radiating fin is provided with capillary channel.
The base plate of described heat-conducting plate is provided with LED lamp installing hole, and this mounting hole site is in installing on the position of reinforcement.
The short sidewall of described cavity is provided with aspirating hole.
The beneficial effects of the utility model are: the utility model LED flat radiator, cavity in its heat-conducting plate cavity is communicated with, in cavity can phase-change heat transfer the medium boiling of being heated, steam is filled into rapidly the each several part of cavity, the temperature of base plate each point is reached unanimity, and all radiating fins all can effectively be worked, and have improved heat radiation uniformity, the base arrangement of hollow has alleviated the weight of product, simultaneously unrestricted to setting angle.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of the utility model LED flat radiator;
Fig. 2 be in Fig. 1 heat sink overlook sectional structure schematic diagram;
Fig. 3 is Fig. 1 partial enlarged drawing.
Wherein: 1-heat sink, 11-base plate, 12-top board, 13-installs reinforcement, the long sidewall of 14-, the short sidewall of 15-, 16-minute protrusions, 2-radiating fin, 21-capillary channel.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, further set forth the utility model.
As shown in Figure 1 with Figure 2, a kind of LED flat radiator, comprises rectangle heat-conducting plate 1 and some radiating fins 2, and heat-conducting plate 1 and radiating fin 2 adopt aluminium alloy extrusions integrated extrusion molding.
The surface of radiating fin 2 is provided with capillary channel 21, has increased area of dissipation; Radiating fin 2 is equidistantly arranged on the top board 12 of heat-conducting plate 1 along the long limit of heat-conducting plate 1, and arranges from high to low successively to both sides from middle, its role is to arrange according to the difference of each position heat the height of radiating fin, saves section bar.
In heat-conducting plate 1, be provided with sealed cavity, this cavity is by the base plate 11 of heat-conducting plate 1, top board 12 and a pair of long sidewall 14 and a pair of short sidewall 15 that are placed between top board 11 and the base plate 12 of this heat-conducting plate 1 form, in this cavity, be provided with the installation reinforcement 13 some equal in length of the integrated molding being connected between top board 11 and base plate 12, the short sidewall 15 that this installation reinforcement 13 is parallel to cavity is arranged between two long sidewalls 14 of cavity, cavity is separated into some cavitys, between the two ends of installation reinforcement 13 and two long sidewalls 14, leave the spacing of two millimeters, make respectively to reserve a passage between the two ends of cavity and two long sidewalls 14, this passage is communicated with each cavity.
The chamber of cavity 4/5ths is filled with medium that can phase-change heat transfer, and the base plate 11 of heat-conducting plate 1 is provided with some minute protrusions 16 towards the one side of cavity, its role is to the heat exchange area of the base plate that increases medium and heat-conducting plate.
The position that the base plate 12 of heat-conducting plate 1 is positioned at installation reinforcement 13 is provided with LED lamp installing hole, is convenient to mounted LED lamp, the bore position that the effect that reinforcement 13 is installed is to strengthen the structural strength of LED flat radiator and the installing holes such as described LED are provided.
Thermal source LED lamp is arranged on the base plate 12 of heat-conducting plate 1, by being provided with some minute protrusions 16 base plates 12, heat is conducted to medium that can phase-change heat transfer, medium is heated to seethe with excitement and flashes to rapidly gas, take away heat simultaneously, because the each cavity in heat-conducting plate 1 is communicated with, therefore gas circulates in the cavity of whole heat-conducting plate 1, the temperature of heat-conducting plate 1 each position is basic identical, gas runs into the release heat of condensing after the cold roof plate 11 of heat-conducting plate 1, by radiating fin 2, heat is dispersed in external environment condition uniformly.
Claims (6)
1. a LED flat radiator, comprise rectangle heat-conducting plate (1) and some radiating fins (2), it is characterized in that: described heat-conducting plate is provided with sealed cavity in (1), this cavity is by the base plate (11) of heat-conducting plate (1), top board (12) and be placed in a pair of long sidewall (14) and a pair of short sidewall (15) composition between top board (11) and the base plate (12) of this heat-conducting plate (1), in this cavity, be provided with the installation reinforcement (13) some equal in length of the integrated molding being connected between top board (11) and base plate (12), the short sidewall (15) that this installation reinforcement (13) is parallel to cavity is arranged between two long sidewalls (14) of cavity, between the two ends of installation reinforcement (13) and two long sidewalls (14), leave the spacing of two millimeters, the base plate (11) of described heat-conducting plate (1) is provided with some minute protrusions (16) towards the one side of cavity, in described cavity, be filled with can phase-change heat transfer medium, described radiating fin (2) is equidistantly arranged in along the long limit of heat-conducting plate (1) on the top board (12) of heat-conducting plate (1), heat-conducting plate (1) and radiating fin (2) adopt aluminium alloy extrusions integrated extrusion molding.
2. LED flat radiator according to claim 1, is characterized in that: described medium that can phase-change heat transfer has been full of the cavity of cavity 4/5ths.
3. LED flat radiator according to claim 1, is characterized in that: described radiating fin (2) is arranged to both sides from middle successively from high to low along the long limit of heat-conducting plate (1).
4. LED flat radiator according to claim 1, is characterized in that: the surface of described radiating fin (2) is provided with capillary channel (21).
5. LED flat radiator according to claim 1, is characterized in that: the base plate (12) of described heat-conducting plate (1) is provided with LED lamp installing hole, and this mounting hole site is in installing on the position of reinforcement (13).
6. LED flat radiator according to claim 1, is characterized in that: the short sidewall (15) of described cavity is provided with aspirating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209247.XU CN203893121U (en) | 2014-04-25 | 2014-04-25 | LED flat plate radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209247.XU CN203893121U (en) | 2014-04-25 | 2014-04-25 | LED flat plate radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203893121U true CN203893121U (en) | 2014-10-22 |
Family
ID=51719523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420209247.XU Expired - Fee Related CN203893121U (en) | 2014-04-25 | 2014-04-25 | LED flat plate radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203893121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925578A (en) * | 2014-04-25 | 2014-07-16 | 相变照明技术(上海)有限公司 | Plated LED radiator |
| CN110145950A (en) * | 2019-06-14 | 2019-08-20 | 深圳市三和川精密科技有限公司 | A kind of heat exchanger |
-
2014
- 2014-04-25 CN CN201420209247.XU patent/CN203893121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925578A (en) * | 2014-04-25 | 2014-07-16 | 相变照明技术(上海)有限公司 | Plated LED radiator |
| CN110145950A (en) * | 2019-06-14 | 2019-08-20 | 深圳市三和川精密科技有限公司 | A kind of heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201712 Shanghai city Qingpu District Road No. 1188 Building 2 Jiuye Patentee after: PHASECHANGE LIGHTING TECHNOLOGY (SHANGHAI) CO.,LTD. Patentee after: BAIYI LIGHTING (SHANGHAI) HOLDINGS Ltd. Address before: 201712 Shanghai city Qingpu District Road No. 1188 Building 2 Jiuye Patentee before: PHASECHANGE LIGHTING TECHNOLOGY (SHANGHAI) CO.,LTD. Patentee before: SHANGHAI BAIYI LIGHTING ELECTRONIC Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |