CN211860922U

CN211860922U - Fin radiator with good turbulent flow effect

Info

Publication number: CN211860922U
Application number: CN202020714797.2U
Authority: CN
Inventors: 谢翰林; 董建康
Original assignee: Ningbo Baisri Medical Technology Co ltd
Current assignee: Ningbo Baisri Medical Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-11-03
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a belong to heat dissipation accessory technical field, specifically be an effectual fin radiator of turbulent flow, including main combination piece and vice combination piece, the back lateral wall contact of main combination piece vice combination piece, this kind of effectual fin radiator of turbulent flow, through main combination piece and the superimposed mode of vice combination piece, utilize vertical groove to change combination density, increase the interval of combination, make the interval flow resistance reduce, the noise has also been improved simultaneously, and utilize thru hole and lug structure, form local settlement position and protruding characteristic, the lug position is the drop shape, have fillet transition, do the inclination in the air current direction of motion, break the laminar flow, guarantee thorough turbulent flow effect, increase the heat-sinking capability of corresponding position heat pipe, reducible combination piece quantity under the same situation, promote the cooling capacity, and set up the fin groove in the side, and make the fin groove combine into bigger buckled plate structure in the combination, the contact area with the air is increased, and the heat dissipation is further improved.

Description

Fin radiator with good turbulent flow effect

Technical Field

The utility model relates to a heat dissipation accessory technical field specifically is an effectual fin radiator of turbulent flow.

Background

When the electronic equipment is in thermal design, the heat of the area with high heat flow density is conducted into the radiating fins through the heat pipe, the radiating area is indirectly increased, and the heat on the radiating fins is dissipated through forced airflow of the fan. Under the condition that heat radiating area and temperature difference are certain, the heat radiating capacity is increased by increasing the heat convection coefficient, and the cooling effect of the electronic equipment can be improved.

Currently, a commercial zipper fin heat sink is a mature technology. The principle is like a zipper, with the geometry of the fins being created by a continuous stamping technique with a punch. The length, height and fin spacing are determined in a first set of punches. A second stamping process then folds the fin up and locks it with the previous fin. When there are enough fins in the fin stack for the application for which the stack is designed, the completed zipper fin heat sink can be formed by removing them from the stamped area. The zipper fin radiator is a good heat transfer solution, the thickness of the fins is different from 0.1-1.5mm, the distance between the fins is 1.2-12mm, the zipper fin radiator can meet various heat dissipation conditions, and a heat pipe can be inserted into the radiator by using a fin inserting technology. The zipper fins have a wide range of applications and design flexibility.

However, under the conditions of large area and overhigh flow velocity of the zipper fin radiator, certain noise exists, airflow generally has a laminar flow effect on the surface of the fin, the heat dissipation effect does not meet specific requirements, and the heat dissipation efficiency is also reduced under the condition that the contact area with air is not effectively improved.

Disclosure of Invention

An object of the utility model is to provide an effectual fin radiator of turbulent flow, it is great to solve the current zip fastener fin radiator area that proposes in the above-mentioned background art, under the too high condition of velocity of flow, can there be certain noise, the air current is with laminar flow effect on the fin surface usually, the not satisfied specific requirement of radiating effect, contact area with the air does not have under the effective promotion condition, the radiating efficiency has also been reduced, under the normal conditions, reducible fin interval increases heat-sinking capability, but too many fins influence product weight, to the preparation, transportation and later stage assembly have all produced negative effects's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a fin radiator with good turbulent flow effect comprises a main combined sheet and an auxiliary combined sheet, wherein the rear side wall of the main combined sheet contacts with the auxiliary combined sheet, the main combined sheet and the auxiliary combined sheet are circularly superposed to form the heat dissipation plate, the front side walls of the main combined sheet and the auxiliary combined sheet are provided with through holes, the number of the through holes is four, the front side walls of the main combined piece and the auxiliary combined piece are pressed with a first lug, a second lug and a third lug, the first lug, the second lug and the third lug are arranged on the right side of the four through holes in a group of three, the fin slot has been pressed to the left side wall of main combination piece with vice combination piece, the main combination piece with vice combination piece left side wall the fin slot stack is the buckled plate, perpendicular groove has been seted up to the preceding lateral wall of vice combination piece, the both sides of perpendicular groove have been seted up the supporting groove.

Preferably, the area and the thickness of the main combined piece are the same as those of the auxiliary combined piece, and the main combined piece and the auxiliary combined piece are made of aluminum plates.

Preferably, the second bump is shaped like a water drop, and the position of the second bump is aligned with the center point position of the through hole.

Preferably, the pressing positions of the first bump, the second bump and the third bump are on the same level, and the pressing positions of the first bump, the second bump and the third bump are kept horizontal with the opening position of the through hole.

Preferably, the fin grooves are uniformly arranged on the left side walls of the main combined piece and the auxiliary combined piece, and the opening positions of the fin grooves are triangular notches.

Preferably, the thickness of the main combination piece and the auxiliary combination piece is 0.4mm, the distance between the main combination piece and the auxiliary combination piece is 2.5mm, and the opening height of the fin groove is not higher than the distance between the main combination piece and the auxiliary combination piece.

Preferably, the opening depth of the vertical groove is half of the thickness of the auxiliary combined piece, and the opening depth of the branch groove is one third of the thickness of the auxiliary combined piece.

Preferably, the included angle between the branch groove and the vertical groove is 45 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the fin radiator with good turbulent flow effect utilizes the vertical grooves to change the combination density by the superposition mode of the main combination pieces and the auxiliary combination pieces, increases the distance of the combination, reduces the distance flow resistance, improves the noise, and utilizes the through holes and the lug structures to form local settlement positions and raised characteristics, the lug positions are in a water droplet shape and have fillet transition, the inclination is made in the air flow moving direction, the laminar flow is broken, the thorough turbulent flow effect is ensured, the heat dissipation capacity of the heat pipes at corresponding positions is increased, the number of the combination pieces can be reduced under the same condition, the cooling capacity is improved, the fin grooves are arranged on the side surfaces, the fin grooves are combined into a larger corrugated plate structure in the combination, the contact area with the air is increased, and the heat dissipation is further improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the combination piece of the present invention;

fig. 3 is a schematic top view of the bump of the present invention;

fig. 4 is a schematic side view of the bump of the present invention.

In the figure: 100 heat dissipation plates, 200 main combination pieces, 210 through holes, 220 first bumps, 230 second bumps, 240 third bumps, 250 fin grooves, 300 auxiliary combination pieces and 310 vertical grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a fin radiator with good turbulent flow effect, which is convenient to ensure thorough turbulent flow effect and improve the radiating efficiency by the combined application of accessories, please refer to fig. 1-4, comprising a main combined sheet 200 and an auxiliary combined sheet 300;

referring to fig. 1 again, the front side wall of the main combination piece 200 is provided with through holes 210, specifically, the front side walls of the main combination piece 200 and the auxiliary combination piece 300 are provided with the through holes 210, the number of the through holes 210 is four, the front side walls of the main combination piece 200 and the auxiliary combination piece 300 are pressed with a first bump 220, a second bump 230 and a third bump 240, and the first bump 220, the second bump 230 and the third bump 240 are arranged on the right side of the four through holes 210 in a group;

referring to fig. 1-2 again, the front side wall of the auxiliary combination piece 300 contacts the rear side wall of the main combination piece 200, specifically, the rear side wall of the main combination piece 200 contacts the auxiliary combination piece 300, the main combination piece 200 and the auxiliary combination piece 300 are circularly overlapped to form the heat dissipation plate 100, fin grooves 250 are pressed on the left side walls of the main combination piece 200 and the auxiliary combination piece 300, the fin grooves 250 on the left side walls of the main combination piece 200 and the auxiliary combination piece 300 are overlapped to form corrugated plates, the front side wall of the auxiliary combination piece 300 is provided with a vertical groove 310, two sides of the vertical groove 310 are provided with branch grooves, the number of the branch grooves is multiple, and the number can be adjusted according to actual needs;

when the heat dissipation plate is used specifically, the heat dissipation plate 100 is combined by using the main combination piece 200 and the auxiliary combination piece 300 to perform cyclic stacking, the stacking thickness of the method is adjusted according to the actual requirement, the fixing method can be selected by welding, detachable combination or adhesion, the part also needs to be selected according to the actual requirement, then the through holes 210 are arranged on the front side of the main combination piece 200, the bumps are arranged on the side surfaces of the four through holes 210 and are divided into the first bump 220, the second bump 230 and the third bump 240, the bumps are in the shape of water drops, the pressing positions of the bumps and the opening positions of the through holes 210 are kept horizontal, then the fin grooves 250 are arranged on the side surfaces, the fin grooves 250 are uniformly arranged on the side surfaces, the opening positions of the fin grooves 250 are triangular notches, the contact area with air can be effectively increased, and the combination of the fin grooves 250 also forms a corrugated plate structure, the radiating efficiency is effectively improved under the condition that the combined pieces are not additionally arranged, and finally, under the condition that the overall structure of the auxiliary combined piece 300 is the same as that of the main combined piece 200, one more vertical groove 310 is additionally arranged, branch grooves are combined on the two sides of the vertical groove 310, the vertical groove 310 and the branch grooves form an included angle of 45 degrees, laminar flow is broken again, and the thorough turbulent flow effect is guaranteed.

Referring to fig. 1 again, in order to ensure the uniformity of the assembled shape and effectively cooperate with heat dissipation, specifically, the area and thickness of the main assembling piece 200 are the same as those of the auxiliary assembling piece 300, and the main assembling piece 200 and the auxiliary assembling piece 300 are made of aluminum plates.

Referring to fig. 1 again, in order to improve the turbulent flow effect, specifically, the second bump 230 is shaped like a droplet, the position of the second bump 230 is aligned with the center point of the through hole 210, the pressing positions of the first bump 220, the second bump 230 and the third bump 240 are at the same level, and the pressing positions of the first bump 220, the second bump 230 and the third bump 240 are at the same level with the opening position of the through hole 210.

Referring to fig. 1 again, in order to increase the contact area with air and form a corrugated plate structure after combination, specifically, the fin grooves 250 are uniformly arranged on the left side walls of the main combination piece 200 and the sub combination piece 300, and the opening positions of the fin grooves 250 are triangular notches.

Referring to fig. 1 again, in order to effectively reduce noise and ensure stability of the assembling process, specifically, the thickness of the main assembling piece 200 and the sub assembling piece 300 is 0.4mm, the distance between the main assembling piece 200 and the sub assembling piece 300 is 2.5mm, and the opening height of the fin groove 250 is not higher than the distance between the main assembling piece 200 and the sub assembling piece 300.

Referring to fig. 2 again, in order to form different height structures to increase the turbulence effect, specifically, the opening depth of the vertical groove 310 is half of the thickness of the sub-segment 300, the opening depth of the branch groove is one third of the thickness of the sub-segment 300, and the included angle between the branch groove and the vertical groove 310 is 45 °.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The fin radiator with good turbulence effect is characterized in that: the heat dissipation plate comprises a main combined piece (200) and an auxiliary combined piece (300), wherein the rear side wall of the main combined piece (200) is in contact with the auxiliary combined piece (300), the main combined piece (200) and the auxiliary combined piece (300) are circularly overlapped to form the heat dissipation plate (100), through holes (210) are formed in the front side walls of the main combined piece (200) and the auxiliary combined piece (300), the number of the through holes (210) is four, the front side walls of the main combined piece (200) and the auxiliary combined piece (300) are pressed with first bumps (220), second bumps (230) and third bumps (240), the first bumps (220), the second bumps (230) and the third bumps (240) are combined in a group and arranged on the right sides of the four through holes (210), fin grooves (250) are pressed in the left side walls of the main combined piece (200) and the auxiliary combined piece (300), and combined fin grooves (250) in the left side walls of the main combined piece (200) and the auxiliary combined piece (300) are overlapped in a group and arranged in a group The corrugated plate is characterized in that the front side wall of the auxiliary combination piece (300) is provided with a vertical groove (310), and two sides of the vertical groove (310) are provided with branch grooves.

2. The fin radiator of claim 1, wherein: the area and the thickness of the main combined piece (200) are the same as those of the auxiliary combined piece (300), and the main combined piece (200) and the auxiliary combined piece (300) are made of aluminum plates.

3. The fin radiator of claim 1, wherein: the second bump (230) is shaped like a water drop, and the position of the second bump (230) is aligned with the center point position of the through hole (210).

4. The fin radiator of claim 1, wherein: the pressing positions of the first bump (220), the second bump (230) and the third bump (240) are on the same level, and the pressing positions of the first bump (220), the second bump (230) and the third bump (240) are kept horizontal with the opening position of the through hole (210).

5. The fin radiator of claim 1, wherein: the fin grooves (250) are uniformly arranged on the left side walls of the main combined piece (200) and the auxiliary combined piece (300), and the opening positions of the fin grooves (250) are triangular notches.

6. The fin radiator of claim 1, wherein: the thickness of the main combined piece (200) and the auxiliary combined piece (300) is 0.4mm, the distance between the main combined piece (200) and the auxiliary combined piece (300) is 2.5mm, and the opening height of the fin groove (250) is not higher than the distance between the main combined piece (200) and the auxiliary combined piece (300).

7. The fin radiator of claim 1, wherein: the depth of the vertical groove (310) is half of the thickness of the auxiliary combined piece (300), and the depth of the branch groove is one third of the thickness of the auxiliary combined piece (300).

8. The fin radiator of claim 1, wherein: the included angle between the branch groove and the vertical groove (310) is 45 degrees.