CN101072481A

CN101072481A - Radiator

Info

Publication number: CN101072481A
Application number: CN 200610026337
Authority: CN
Inventors: 沈育浓
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-08
Filing date: 2006-05-08
Publication date: 2007-11-14

Abstract

The radiator sets up multiple thermal fins with thickness from thicker to thinner gradually on protruded direction apart from one face of the seat body. Gaps between thermal fins are from narrow to wide from one face of the seat body to removed direction. High temperature area is formed on the narrow part and low temperature area is formed on the wide part. Thus, the heat convection is formed from narrow part to wide part. Fast heat elimination is carried out from wide part to outside.

Description

Radiator

Technical field

The present invention relates to a kind of radiator, be meant that especially a kind of radiating fin is by narrow gradually wide in the gap to each other,,, form a thermal convection, the radiator that heat can be dispelled the heat by wide outside work fast to wide by narrow in wide formation lower temperature district in narrow formation high-temperature region.

Background is drawn art

Radiator, that uses is very extensive, radiator with radiating fin is for the most general, can be used as typical example, it generally is the heat radiation that is used for computer CPU, as Fig. 1, it is one side 10 at a pedestal 1, be provided with a plurality of radiating fins 11 that are equidistant configuration to protrude away from the direction of this pedestal 1, the purpose of radiating fin 11 is to roll up the area of heat radiation, after being absorbed by pedestal 1, thermal source conducts to each surface 111 of each radiating fin 11 rapidly, auxiliary heat dissipation is made on surface 111 by each radiating fin 11, but since for the sheet number that rolls up radiating fin 11 be area of dissipation, make radiating fin 11 be suitable narrow in gap 110 to each other, though thermal source is transmitted to each surface 111 of radiating fin 11 easily, but convection current and disappearing rapidly, so must dispel the heat by fan, because of will be,, therefore how to conceive and produce a kind of radiating fin and be by narrow gradually wide in the gap to each other so purposes is limited by fan, form the high-temperature region in narrow, in wide formation lower temperature district, form a thermal convection, the radiator that can dispel the heat by wide outside work fast to wide by narrow, and the scope of utilization can be more extensive, is a problem that can make improvements.

Summary of the invention

The object of the present invention is to provide a kind of radiating fin to be by narrow gradually wide in the gap to each other,,, form a thermal convection in wide formation lower temperature district in narrow formation high-temperature region, can be fast by wide the radiator of outwards doing heat radiation.

Radiator of the present invention, it is one side at a pedestal, be provided with multi-disc thickness by thick gradually thin radiating fin to protrude away from the direction of this pedestal, make radiating fin to each other the gap by the one side of pedestal towards away from direction be by narrow gradually wide, form the high-temperature region in narrow, form the lower temperature district in wide, form a thermal convection by narrow to wide, heat can outwards be done diffusion heat person by wide fast.

Effect of the present invention can provide a kind of radiator, can do heat radiation person fast, and the scope of utilization can more extensive person.

Below in conjunction with drawings and Examples radiator of the present invention is elaborated.

Description of drawings

Fig. 1 is the schematic perspective view of existing radiator;

Fig. 2 is the schematic perspective view of this new radiator first embodiment;

Fig. 3 is the enlarged diagram that Fig. 2 radiating part is;

Fig. 4 is the perspective exploded view of this new radiator second embodiment; And

Fig. 5 is the combination stereogram of Fig. 4.

Has the body execution mode

Fig. 2 is first embodiment of this new radiator, it is one side 20 at a pedestal 2, be provided with multi-disc thickness by thick gradually thin radiating fin 21 to protrude, make radiating fin 21 gap 22 to each other, with reference to figure 3 away from the direction of this pedestal 2, by the one side 20 of pedestal towards away from direction be by narrow gradually wide, in narrow 220 formation high-temperature region,, form a thermal convection to wide 221 by narrow 220 in wide 221 formation lower temperature district, heat can outwards be done heat radiation person by wide fast, is described in more detail as the back:

This pedestal 2, generally be to adopt high thermal conductance material, as " aluminium " matter material institute processing procedure, have first 20 second 23 of reaching away from first 20, by this first 20, with away from pedestal 2 these directions of first 20, protrusion is provided with multi-disc thickness by thick gradually thin radiating fin 21, make radiating fin 21 gap 22 to each other, by the one side 20 of pedestal towards away from direction be by narrow gradually wide, cooperate Fig. 3, each radiating fin 21 has the root 210 and a free end 211 of one and first 20 binding, 210 of two roots are narrow 220 the narrowest position 2200, each free end 210 of present embodiment is a convex arc shaped, the narrowest 2200 is concave arc shape, there is tangent line H on the level imagination on the summit that is cut in the free end 211 of convex arc, the end point that is cut in the narrowest 2200 of concave arc has tangent line H1 under the level imagination, and form the both side edges in this gap 22, be first oblique lateral margin D of preceding radiating fin 21 and the second oblique lateral margin D1 of back radiating fin 21 ', the definition first oblique lateral margin D, on the second oblique lateral margin D1 and the level imagination between the crosspoint of tangent line H spacing be gap apex distance a, the definition first oblique lateral margin D, under the second oblique lateral margin D1 and the level imagination between the crosspoint of tangent line H1 spacing be apart from b at the bottom of the gap, according to experiment, radiating effect apart from b/ gap apex distance a≤0.75 at the bottom of the gap is preferable, is the best with≤0.5 still.

Second 23 subsides with pedestal 2 are touched in a heater such as above-mentioned computer CPU (not shown), when thermal source conducts to each radiating fin 21 by this second 23 via pedestal 2 rapidly, cooperate Fig. 3 again, hot major part accumulates in earlier near the narrowest 2200 of the concave arc, promptly previous alleged near narrow 220, form a high-temperature region, when heat conduction near the free end 211 of radiating fin 21 because a segment distance is arranged, promptly can be far below narrow 220 temperature wide 221 temperature, hot gas broadens gradually toward the fit clearance 22 that rises again, naturally form a thermal convection that makes progress, hot gas can outwards be done heat radiation person by wide 221 fast.

As Fig. 4, Fig. 5, be second embodiment of this new radiator, make this pedestal 2 ' large-scale, one side and the joint 24 that is pivoted, conveniently do the adjustment of angle, and further be concaved with one at this second 23 and be installed with space 230, in this is installed with space 230 and put the LED lamp groups 3 that group one has many row's high powers (or claiming high wattage), shine as a street lamp, should the high-power LED lamp group 3 of many rows be to be included in this to be installed with in the space 230, put group one graphite heat conducting plate 31 is arranged, the one side of this graphite heat conducting plate 31 is done to paste with this wall 231 that is installed with the space and is touched, another does not paste the face of touching in this graphite heat conducting plate 31, and the long-pending plate 32 of the aluminium matter circuit that has been sticked, this aluminium matter circuit amasss on the plate 32 and is provided with number row's LED lamp 30, on each LED lamp 30 and correspondence be provided with a speculum 33, can seal in the periphery of the long-pending plate 32 of this aluminium matter circuit and to be provided with a water proof ring 34, covering on the long-pending plate 32 of aluminium matter circuit has a cover plate 35 and locatees each speculum 33, this cover plate 35 and involution are installed with space 230, water proof ring 34 is to prevent that the rainwater infiltration is installed with in the space 230, touch by graphite heat conducting plate 31 and these pedestal 2 ' subsides, make this LED lamp group 3 can do best heat conduction in pedestal 2 ', so, when the high-power LED lamp 30 luminous works of many rows throw light on, its high heat can conduct to pedestal 2 ' via graphite heat conducting plate 31, and by radiating fin 21 ', do quick discharge in the mode of above-mentioned convection current, because pedestal 2 ', radiating fin 21 ' all directly is exposed in the atmosphere, if to arrange the LED lamp of high-power LED lamp group be small-sized more then can be used as a common desk lamp and use, certainly the anti-pedestal 2 ' that touches, radiating fin 21 ' is necessary considerations with lamp socket 3, and water proof ring 35 be not this moment definitely must it can be removed, because of indoor desk lamp need not be considered waterproof, in this signal of drawing no longer in addition.

The setting of above-mentioned again graphite heat conducting plate 31 be not yet definitely must it can be removed, because pedestal 2 ' itself is exactly a high thermal conductance material, and cover plate 35 is that involution is installed with space 230, thermal source riddles to be installed with and can be transmitted to pedestal 2 ' really behind the space 230 and dispel the heat, and graphite heat conducting plate 31 is just strengthened its heat-transfer rate.

In sum, basis is novel can in narrow formation high-temperature region, in wide formation lower temperature district, to form a thermal convection because of radiating fin is by narrow gradually wide in the gap to each other really, can outwards dispel the heat by wide fast.

Claims

1. radiator is characterized in that:

One side at a pedestal, be provided with multi-disc thickness by thick gradually thin radiating fin to protrude away from the direction of described pedestal, make radiating fin to each other the gap by the one side of pedestal towards away from direction be by narrow gradually wide, form the high-temperature region in narrow, form the lower temperature district in wide, form a thermal convection by narrow to wide, heat can outwards spread by wide fast.

2. radiator as claimed in claim 1 is characterized in that:

Described radiator is made by an aluminium material matter.

3. radiator as claimed in claim 1 or 2 is characterized in that:

Described each radiating fin has a root that simultaneously links with described pedestal and a free end, be the narrowest portion in gap between two roots, each free end is a convex arc shaped, the narrowest is concave arc shape, there is tangent line on the level imagination on the summit that is cut in the free end of convex arc, be cut in concave arc the end point of narrow portion tangent line under the one level imagination is arranged, form the both side edges in this gap, be first oblique lateral margin of preceding radiating fin and the second oblique lateral margin of back radiating fin, the definition first oblique lateral margin, on the second oblique lateral margin and the level imagination between the crosspoint of tangent line spacing be the gap apex distance, the definition first oblique lateral margin, under the second oblique lateral margin and the level imagination between the crosspoint of tangent line spacing be distance at the bottom of the gap, the radiating effect of distance/gap apex distance≤0.75 is preferable at the bottom of the gap.

4. radiator as claimed in claim 3 is characterized in that:

Distance/gap apex distance at the bottom of the wherein said gap is to produce best radiating effect with≤0.5.

5. radiator as claimed in claim 1 or 2 is characterized in that:

Described pedestal simultaneously has one second away from this, at described second, further is concaved with one and is installed with the space, is installed with in the space and puts group one to have to arrange high-power LED lamp groups in described more.

6. radiator as claimed in claim 5 is characterized in that:

Described have how the high-power LED lamp group of row is included in described being installed with in the space, putting group has an aluminium matter circuit to amass plate, described aluminium matter circuit amasss on the plate and is provided with many rows' LED lamps, on each LED lamp and correspondence be provided with a speculum, cover on the long-pending plate of aluminium matter circuit, one cover plate is arranged and locate each speculum, the described space that is installed with of described cover plate and involution.

7. radiator as claimed in claim 6 is characterized in that:

Envelope is provided with a water proof ring between the periphery of the long-pending plate of described aluminium matter circuit and cover plate, and when cover plate covered on that involution is installed with the space on the long-pending plate of aluminium matter circuit, described water proof ring was to prevent from that rainwater from infiltrating to be installed with in the space.

8. as claim 6 or 7 described radiators, it is characterized in that:

In long-pending plate of described aluminium matter circuit and described being installed with between one wall of space, also be equipped with a graphite heat conducting plate, described graphite heat conducting plate one side is done to paste with a described wall that is installed with the space and is touched, and the long-pending plate of another side and aluminium matter circuit is done to paste and is touched.