CN203671546U - LED heat sink with novel cooling fins - Google Patents
LED heat sink with novel cooling fins Download PDFInfo
- Publication number
- CN203671546U CN203671546U CN201320854408.6U CN201320854408U CN203671546U CN 203671546 U CN203671546 U CN 203671546U CN 201320854408 U CN201320854408 U CN 201320854408U CN 203671546 U CN203671546 U CN 203671546U
- Authority
- CN
- China
- Prior art keywords
- external member
- metal external
- collection chamber
- connector
- fluid collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an LED heat sink with novel cooling fins. The LED heat sink comprises a metal sleeve piece and is characterized in that the middle of the metal sleeve piece is composed of a fan mounting cavity in the upper segment and a liquid accumulating cavity in the lower segment, the multiple cooling fins of the same structure are longitudinally formed in the periphery of the metal sleeve piece in a cast mode, the size of the middle of the longitudinal cross section of each cooling fin is larger than the size of the two ends, and the upper segment and the lower segment are shaped like an isosceles trapezoid or an isosceles triangle. The LED heat sink has the remarkable advantages that the heat sink is simple in structure and convenient to install, the shape of the cooling fins is changed, cast forming is facilitated, the LED heat sink is convenient to machine and not prone to fracture or incompleteness in the demolding process, the cooling area is increased through multiple sections of cascade connection, the cooling performance of an LED lamp is promoted, and the cooling requirement of a high-power LED lamp is met.
Description
Technical field
The utility model relates to LED heat dissipation technology, specifically, is a kind of LED radiator with radiating fin.
Background technology
The heating problem of high-powered LED lamp is one of core technology in design process, along with the development of LED industry, also present on the market radiator miscellaneous, in general, adopt heat conducting and heat radiating fin and the fan incompatible electronic equipment dissipating heat of realizing that matches to become mainstream technology both domestic and external.
Existing radiator forms by extrusion process the fin that polylith is flat mostly, along with LED increased power, require increasing to the area of dissipation of fin, owing to being subject to the restriction of extrusion process up till now, want to expand the area of every a slice fin, very high to processing technology requirement, flat fin is long once die casting length, when the demoulding, easily rupture, common die casting is realized very difficult.Although extrusion forming process can be expanded the area of fin preferably, in radiator, set up fan installation cavity and cooling fluid fluid collection chamber again must be through cutting and the polishing of multiple operation, manufactures also very trouble.
Utility model content
Based on above-mentioned defect, the purpose of this utility model is to provide a kind of LED radiator heat with radiating fin, reduces difficulty of processing, thereby be convenient to realize the expansion of area of dissipation by the shape that changes fin, improves radiating efficiency.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
A kind of LED radiator with radiating fin, comprise metal external member, its key is: the centre of described metal external member is made up of the fan installation cavity of epimere and the fluid collection chamber of hypomere, in the periphery of metal external member, longitudinal die cast has the many fin that structure is identical, the intermediate sizes of longitudinal section of every fin is greater than two ends size, two sections be shaped as isosceles trapezoid or isoceles triangle type.
By above-mentioned design, the centre of every a slice fin is thicker, two ends are thinner, and two sections have made two sections of inclined-planes into by an original plane, when making, can pass through the designing mould demoulding from the middle to both ends, in knockout course, be difficult for occurring fracture or incomplete, be convenient to expand the length of fin, increasing heat radiation area, improves radiating efficiency.
In conjunction with concrete application, be fitted with LED substrate at the rear surface of described metal external member, this LED substrate seals the lower port of fluid collection chamber, in described fluid collection chamber, be filled with cooling fluid, in the upper port of fluid collection chamber, eardrum pressing plate assembly is installed, in fan installation cavity, radiator fan is installed, between radiator fan and eardrum pressing plate assembly, is reserved with heat radiation gap.
When use, contact and realize heat conduction by liquid, can fast the heat on LED substrate be uploaded in each fin.
As further describing, described LED substrate is fixed by screws in the lower surface of metal external member, is provided with the first sealing ring in the junction of the fluid collection chamber of LED substrate and metal external member.
In order further to expand area of dissipation, the lower end of described metal external member is connected with at least one grade of connector, the logical empty described fluid collection chamber that forms in center of described metal external member and connector, described LED substrate surface is fitted in the lower surface of afterbody connector, the lower port sealing of this LED substrate to fluid collection chamber, in fluid collection chamber, be filled with cooling fluid, eardrum pressing plate assembly is installed in described metal external member, the upper port sealing of this eardrum pressing plate assembly to fluid collection chamber, above described eardrum pressing plate assembly, radiator fan is installed, go back die cast in the periphery of described connector and have many fin extensions that adapt with described fin.
By above-mentioned design, expand area of dissipation except the shape that changes fin, can also utilize the mode of more piece cascade, expand the area of dissipation of fin by setting up connector, thereby realize more high-power LED lamp application needs.
As further description, the lower end of described metal external member offers multiple screws, and metal external member is connected by screw with connector, is provided with the first sealing ring in the fluid collection chamber junction of metal external member and first order connector.
Further describe, described LED substrate is fixed by screws in the lower surface of afterbody connector again, is provided with the second sealing ring in the junction of the fluid collection chamber of LED substrate and afterbody connector.
Under the condition that meets die cast, as preferably, the fin in described metal external member distributes ringwise, and the round diameter that its outward flange surrounds is 150～170mm, and the height of metal external member is 90～100mm.
For the ease of realizing the more piece cascade of connector, the surrounding of described metal external member is provided with reinforcement gusset, this reinforcement gusset lower end has screw, the surrounding of described connector is provided with connection gusset, on this connection gusset, have screw via hole, by screw, the connection gusset of connector is connected with the reinforcement gusset of metal external member.
In process, the lower surface of metal external member is consistent with the upper surface geomery of connector, and the connecting end surface between connectors at different levels is also that geomery is consistent, is convenient to be used in conjunction with.
For the ease of molding, the longitudinal section two sections of the fin of described metal external member are symmetrical arranged.
Remarkable result of the present utility model is: heat spreader structures is simple, easy for installation, change the shape of fin, not laying dust of fin lower end, favourable heat radiation, be convenient to die cast, easy to process, not easy fracture or incompleteness when the demoulding, by more piece cascade, increase area of dissipation, promoted the heat dispersion of LED lamp, met the radiating requirements of high-power LED lamp.
Brief description of the drawings
Fig. 1 is the package assembly schematic diagram of specific embodiment 1;
Fig. 2 is the upward view of metal external member 1 in Fig. 1;
Fig. 3 is the side view of metal external member 1 in Fig. 1;
Fig. 4 is the package assembly schematic diagram of specific embodiment 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Specific embodiment 1:
As shown in Figure 1, a kind of LED radiator with radiating fin, comprise metal external member 1, the centre of described metal external member 1 is made up of the fan installation cavity of epimere and the fluid collection chamber of hypomere, have the many fin 5 that structure is identical at the longitudinal die cast in the periphery of metal external member 1, the intermediate sizes of longitudinal section of every fin 5 is greater than two ends size, two sections be shaped as isosceles trapezoid or isoceles triangle type, Figure 1 shows that isosceles trapezoid, and two sections are symmetrical arranged.
In specific implementation process, be fitted with LED substrate 4 at the rear surface of described metal external member 1, this LED substrate 4 seals the lower port of fluid collection chamber, in described fluid collection chamber, be filled with cooling fluid, in the upper port of fluid collection chamber, eardrum pressing plate assembly 6 is installed, radiator fan 7 is installed in fan installation cavity, between radiator fan 7 and eardrum pressing plate assembly 6, is reserved with heat radiation gap.
Can find by such design, fin near fluid collection chamber is contra bevel, fin near fan installation cavity is positive bevel, every a slice fin two sections are symmetrical arranged, add and can pass through die cast man-hour, when the demoulding, mould departs to compare Zhai position, two ends from the position of wide middle, while having avoided the demoulding, cause fin fracture or incomplete, the section of fin becomes inclined-plane, while being convenient to gas flow, heat is taken away, meanwhile, the fin of lower semisection is contra bevel, can also reduce adhering to of dust, keep the clean of fin.
It can also be seen that by Fig. 1, in the present embodiment, described LED substrate 4 is fixed by screws in the lower surface of metal external member 1, be provided with the first sealing ring 3 in LED substrate 4 and the junction of the fluid collection chamber of metal external member 1, ensure the sealing effectiveness of fluid collection chamber lower end by the first sealing ring 3, be convenient to LED substrate 4 and contact with the direct of cooling fluid.
As Fig. 2, shown in Fig. 3, realize for the ease of processing, fin 5 in described metal external member 1 distributes ringwise, and the round diameter that its outward flange surrounds is 150～170mm, and the height of metal external member 1 is 90～100mm, in this example, be preferably of a size of diameter 160mm, height 96mm.
Specific embodiment 2:
As shown in Figure 4, the difference of the present embodiment and embodiment 1 is: except expanding fin area by changing fin shape, also expand area of dissipation by set up connector 8 in metal external member 1, be convenient to heat radiation.
As can be seen from Figure 4, in this example, the lower end of described metal external member 1 is connected with connector 8, and selecting is here one-level or multistage, can determine according to concrete radiating effect.Metal external member 1 forms described fluid collection chamber with the logical sky in center of connector 8, described LED substrate 4 surface labels are combined in the lower surface of afterbody connector 8, the lower port sealing of this LED substrate 4 to fluid collection chamber, in fluid collection chamber, be filled with cooling fluid, eardrum pressing plate assembly 6 is installed in described metal external member 1, the upper port sealing of this eardrum pressing plate assembly 6 to fluid collection chamber, above described eardrum pressing plate assembly 6, radiator fan 7 is installed, going back die cast in the periphery of described connector 8 has many fin extensions that adapt with described fin 5.
It can also be seen that by Fig. 3 and 4, the lower end of described metal external member 1 offers multiple screws, and metal external member 1 is connected by screw 9 with connector 8, is provided with the first sealing ring 3 in metal external member 1 and the fluid collection chamber junction of first order connector 8.
Described LED substrate 4 is fixed by screws in the lower surface of afterbody connector 8, is provided with the second sealing ring 10 in LED substrate 4 and the junction of the fluid collection chamber of afterbody connector 8.
In actual design process, be connected with connector 8 for the ease of metal external member 1, be provided with reinforcement gusset in the surrounding of metal external member 1, this reinforcement gusset lower end has screw, the surrounding of described connector 8 is provided with connection gusset, on this connection gusset, have screw via hole, by screw 9, the connection gusset of connector 8 is connected with the reinforcement gusset of metal external member 1.
Can find out by above-mentioned design, the upper surface shape and size of the lower surface of metal external member 1 and connector 8 cooperatively interact, when connection, by screw 9, connection gusset is fixed on and is strengthened on gusset, the first sealing ring 3 for ensure metal external member 1 with the junction of connector 8 in sealing state, the second sealing ring 10 for ensure connector 8 with the junction of LED substrate 4 in sealing state, prevent the leakage of cooling fluid in fluid collection chamber, extend the length of fin 5 by setting up connector 8, thereby expansion area of dissipation, the length of connector 8 can be set according to extrusion process, no matter be metal external member 1 or connector 8, all can pass through die cast, reduce difficulty of processing, improve radiating efficiency.
Finally should be noted that; although below by reference to the accompanying drawings preferred embodiment of the present utility model is described; but the utility model is not limited to above-mentioned detailed description of the invention; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite without prejudice to the utility model aim and claim; can make like multiple types and representing; as: the connected mode of connector and sealing means; change structure shape or size etc., within such conversion all falls into the utility model protection domain.
Claims (9)
1. the LED radiator with radiating fin, comprise metal external member (1), it is characterized in that: the centre of described metal external member (1) is made up of the fan installation cavity of epimere and the fluid collection chamber of hypomere, there are the many fin (5) that structure is identical at the longitudinal die cast in the periphery of metal external member (1), the intermediate sizes of longitudinal section of every fin (5) is greater than two ends size, two sections be shaped as isosceles trapezoid or isoceles triangle type.
2. the LED radiator with radiating fin according to claim 1, it is characterized in that: be fitted with LED substrate (4) at the rear surface of described metal external member (1), this LED substrate (4) seals the lower port of fluid collection chamber, in described fluid collection chamber, be filled with cooling fluid, in the upper port of fluid collection chamber, eardrum pressing plate assembly (6) is installed, radiator fan (7) is installed in fan installation cavity, between radiator fan (7) and eardrum pressing plate assembly (6), is reserved with heat radiation gap.
3. the LED radiator with radiating fin according to claim 2, it is characterized in that: described LED substrate (4) is fixed by screws in the lower surface of metal external member (1), be provided with the first sealing ring (3) in LED substrate (4) and the junction of the fluid collection chamber of metal external member (1).
4. the LED radiator with radiating fin according to claim 1, it is characterized in that: the lower end of described metal external member (1) is connected with at least one grade of connector (8), described metal external member (1) forms described fluid collection chamber with the logical sky in center of connector (8), described LED substrate (4) surface label is combined in the lower surface of afterbody connector (8), the lower port sealing of this LED substrate (4) to fluid collection chamber, in fluid collection chamber, be filled with cooling fluid, eardrum pressing plate assembly (6) is installed in described metal external member (1), the upper port sealing of this eardrum pressing plate assembly (6) to fluid collection chamber, in the top of described eardrum pressing plate assembly (6), radiator fan (7) is installed, go back die cast in the periphery of described connector (8) and have many fin extensions that adapt with described fin (5).
5. the LED radiator with radiating fin according to claim 4, it is characterized in that: the lower end of described metal external member (1) offers multiple screws, metal external member (1) is connected by screw (9) with connector (8), is provided with the first sealing ring (3) in metal external member (1) and the fluid collection chamber junction of first order connector (8).
6. the LED radiator with radiating fin according to claim 4, it is characterized in that: described LED substrate (4) is fixed by screws in the lower surface of afterbody connector (8), be provided with the second sealing ring (10) in LED substrate (4) and the junction of the fluid collection chamber of afterbody connector (8).
7. according to the LED radiator with radiating fin described in claim 1 to 6 any one, it is characterized in that: the fin (5) in described metal external member (1) distributes ringwise, the round diameter that its outward flange surrounds is 150～170mm, and the height of metal external member (1) is 90～100mm.
8. the LED radiator with radiating fin according to claim 4, it is characterized in that: the surrounding of described metal external member (1) is provided with reinforcement gusset, this reinforcement gusset lower end has screw, the surrounding of described connector (8) is provided with connection gusset, on this connection gusset, have screw via hole, by screw (9), the connection gusset of connector (8) is connected with the reinforcement gusset of metal external member (1).
9. the LED radiator with radiating fin according to claim 1, is characterized in that: the fin (5) of described metal external member (1) longitudinally section two sections is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854408.6U CN203671546U (en) | 2013-12-23 | 2013-12-23 | LED heat sink with novel cooling fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320854408.6U CN203671546U (en) | 2013-12-23 | 2013-12-23 | LED heat sink with novel cooling fins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203671546U true CN203671546U (en) | 2014-06-25 |
Family
ID=50967835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320854408.6U Expired - Fee Related CN203671546U (en) | 2013-12-23 | 2013-12-23 | LED heat sink with novel cooling fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203671546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896330A (en) * | 2015-06-03 | 2015-09-09 | 中国科学院半导体研究所 | Led light source module |
-
2013
- 2013-12-23 CN CN201320854408.6U patent/CN203671546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896330A (en) * | 2015-06-03 | 2015-09-09 | 中国科学院半导体研究所 | Led light source module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10297525B2 (en) | Base plate for heat sink as well as heat sink and IGBT module having the same | |
| CN101697448A (en) | Two-side water cooling substrate of power module of current transformer | |
| CN201475704U (en) | Through hole radiating LED lamp | |
| CN203671546U (en) | LED heat sink with novel cooling fins | |
| CN203836908U (en) | Heat radiator and LED street lamp | |
| CN203840684U (en) | Heat pipe type radiator | |
| CN102291957A (en) | Outdoor power supply box | |
| CN203671545U (en) | LED combination radiator | |
| CN204066749U (en) | Snapping squeezes type and combination of fans heat abstractor | |
| CN203190116U (en) | LED lamp assembled with novel heat radiation system | |
| CN203375406U (en) | Heat dissipation device for LED lamp and LED light source module | |
| CN204420621U (en) | LED light emission device | |
| CN204420937U (en) | A kind of high-power LED mine lamp radiator based on stack effect principle | |
| CN101815425B (en) | Heat radiating method of high-power power supply and integrated heat radiating cabinet | |
| CN202747296U (en) | Heat radiator structure with high thermal-electric conduction plastic embedded into common thermal conduction plastic | |
| CN205278848U (en) | Mould alclad light source module and lamps and lanterns thereof | |
| CN110518814A (en) | A kind of two-sided cooling structure for vehicle-mounted inverter | |
| CN205579508U (en) | LED radiator | |
| CN209435093U (en) | Power supply | |
| CN203243658U (en) | Heat dissipater | |
| CN218817425U (en) | Connecting device for heat pipe | |
| CN203949094U (en) | A kind of LED lamp housing | |
| CN218388447U (en) | Extruded section water-cooling heat dissipation structure of high-power electronic equipment | |
| CN201517760U (en) | LED light source heat radiator | |
| CN202521278U (en) | Device for realizing light-emitting diode (LED) packaging |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20151223 |
|
| EXPY | Termination of patent right or utility model |