TWM545290U - Heat dissipation device with stacked fans - Google Patents

Description

Heat sink with stacked fan

The present invention is a heat dissipating device, especially a heat dissipating device having a stacked fan.

Electronic products have been widely used in people's daily life. When electronic products are used, they generate heat. These increases in thermal energy will seriously affect the normal operation of electronic products and their parts, and even cause damage to electronic products or components. In order for the electronic product to function properly, the electronic product or its components must be cooled down, that is, the thermal energy must be carried out for heat dissipation. As far as the existing heat dissipation technology is generally provided with a heat sink, the electronic product can be cooled by the heat sink to maintain a normal operating temperature.

In various electronic products of different purposes or functions, such as display cards, when the display card is in operation, the integrated circuit provided will generate higher thermal energy, so the heat sink of the heat sink is closely attached to the integrated circuit. By contact, the thermal energy is led to the radiator, and then the air generated by the fan is used to carry the hot air and cool down, and the display card can be normally operated under the continuous heat dissipation. However, due to the advancement of technology and the improvement of display performance requirements, the thermal energy generated by the integrated circuit provided by the technology will increase, and the heat dissipation device of the prior art can no longer be loaded, that is, the heat dissipation and cooling effect is extremely limited, in the case of the existing heat sink. Usually, three fans are installed under a certain volume or length. The three fans are arranged on the heat sink and arranged in the long axial position of the heat sink. Therefore, the heat dissipation effect required for cooling can not fully meet the demand. If the number of fans is to be added to provide heat dissipation efficiency, it is no longer possible to increase the number of fans to solve the heat dissipation problem due to the limitation of the installation space of the heat sink and the volume limitation of the overall heat sink. This is a prior art heat sink. Disadvantages.

The present invention has been recreated in view of the shortcomings of the prior art, that is, a plurality of fan groups are disposed in the length and space of the effective installation, and each fan group can be stacked by two fans, thereby improving the overall heat dissipation effect. .

In order to achieve the foregoing creative purpose, the technical means used in the present invention is to provide a heat dissipating device with a stacked fan, which comprises a cover body, at least one fan set and a heat sink, and each fan set is mounted on the bottom of the cover body. The cover is a hollow casing, and the casing is provided with at least one opening; the fan group includes a first fan and a second fan, wherein the first fan includes a base, a blade and a driving unit, the base is provided with the driving unit, the driving unit is connected to the blade; the second fan comprises a base, a blade and a driving unit, the base is provided with the driving unit, the driving The unit is connected to the fan blade; a detachable coupling unit is disposed between the base of the first fan and the base of the second fan, and the two bases are coupled to each other by the combining unit, and the base of the first fan The base of the second fan and the bottom of the cover are coupled to each other, and the fan group is located at each of the openings facing the cover; the heat sink is fixed to the cover.

The heat dissipating device of the stacked fan, wherein a bottom of the cover body and corresponding to each opening respectively form a duct, the inside of the duct is connected with the corresponding opening, and the fan is located in the duct Inside.

The heat dissipating device of the stacked fan, wherein the air duct is formed with a plurality of notches away from the other end having the opening, and the base of the first fan is combined with the base of the second fan and located at the same Inside the gap of the duct.

The heat dissipating device of the stacked fan, wherein the base of the second fan protrudes from a corresponding position of the notch to form a ring piece, and the ring piece is located at a corresponding notch.

The heat dissipating device of the stacked fan, wherein the bottom of the cover body is provided with a plurality of fixing seats, each of the fixing seats is outside the air duct, and the notch is located corresponding to the fixing seat, and the base of the first fan The base of the second fan has two side portions and two end portions, and the side portions are between the two end portions, and the two ends of the base of the first fan are coupled to each other Both ends of the base of the second fan are positioned in the notch.

The heat dissipating device with a stacking fan, wherein the combining unit is a base disposed on the base of the first fan and the second fan, and at least one side of each side of the base of the first fan is provided Each of the side portions of the base of the second fan is provided with at least one fastening hole, and each of the fastening pieces and each of the fastening holes can be coupled to each other.

The heat dissipating device with a stacking fan, wherein the combining unit is a base disposed on the base of the first fan and the second fan, and at least one side of each side of the base of the first fan is provided Each side of the base of the second fan is provided with at least one buckle, and each of the buckles and each of the fastening holes can be coupled to each other.

The heat dissipating device with a stacking fan, wherein each of the cleats located at a side of the base of the first fan is located at a corresponding position with each of the other side portions; Each of the cleats on the side of the base of the second fan may be positioned corresponding to each of the cleats of the other side.

The heat dissipation device of the stacked fan, wherein each end of the base of the first fan is provided with at least one coupling hole, and each end of the base of the second fan is provided with at least one coupling hole, and The at least two screws are disposed, and the screws can pass through the coupling hole of the base end of the second fan and the coupling hole of the end of the first fan base, and then the fixing seat corresponding to the housing is coupled and fixed.

By using the foregoing technical means, a plurality of fan groups can be installed side by side on a heat sink, and each fan group is composed of two fans to provide a larger amount of air flow to achieve better heat dissipation. The effect and the improvement of the heat dissipation efficiency; in addition, the two fans of the fan group are provided with a fastening unit between the two bases, and the fastening unit can be fastened or separated from each other by the buckles and the fastening holes respectively provided by the two bases. Disassembly is extremely easy and fast.

Referring to FIG. 1 and FIG. 2 , the present invention is a heat dissipating device with a stacked fan, comprising a cover body 10 , at least one fan set and a heat sink 40 , wherein each fan set is mounted on the bottom of the cover body 10 . The cover 10 is mounted on the heat sink 40 such that each fan group is positioned between the cover 10 and the heat sink 40. The specific embodiment shown in the figures is a fan pack with two juxtaposed columns.

Referring to FIG. 3 , the cover body 10 is a hollow casing and at least one opening 11 is defined in the casing 10 , and a duct 12 is formed on the bottom of the cover body 10 corresponding to each opening 11 . The inside of the air duct 12 and the corresponding opening 11 are in communication with each other. In the specific embodiment shown in the figure, the cover 10 is provided with two openings 11.

A plurality of fixing seats 13 are disposed at the bottom of the cover body 10 and outside the air duct 12, wherein at least one fixing seat 13 is respectively disposed on opposite sides of the air duct 12, and the specific embodiment shown in the figure The air duct 12 at the bottom of the cover 10 is provided with two fixing seats 13 on one side and two fixing seats 13 on the other side of the opposite position.

The air duct 12 is formed with a plurality of notches 121 at a distance away from the other end having the opening 11. The position of the notch 121 corresponds to the fixing seat 13. In the specific embodiment shown in the figure, the bottom of the cover 10 is located at The two opposite sides of the air duct 12 are respectively provided with a notch 121.

Furthermore, a plurality of coupling posts 14 are formed at the bottom of the cover body 10, and a coupling hole is recessed in an end surface of each of the coupling posts 14.

Referring to FIG. 4, the fan unit includes a first fan 20 and a second fan 30. The first fan 20 includes a base 21, a blade 22, and a driving unit 23. The base 21 can be a long plate body, the center of the base 21 is connected to one end of the driving unit 23, and the blade 22 is connected to the other end of the driving unit 23. The driving unit 23 can position the blade 22 at the base. The seat 21 is rotated, which is not described in detail in the prior art. The second fan 30 includes a base 31, a blade 32 and a driving unit 33. The driving unit 33 is disposed at the center of the base 31. The blade 32 is connected to the driving unit 33. The blade 32 is The driving unit 33 is driven to rotate, and the portion of the second fan 30 is configured identically to the first fan 20.

A detachable coupling unit is disposed between the base 21 of the first fan 20 and the base 31 of the second fan 30. The base unit 21 of the first fan 20 and the second fan are The bases 31 of the 30 are abutted against each other and fixed to each other. After the fixing of the coupling unit is released, the base 21 of the first fan 20 and the base 31 of the second fan 30 can be separated from each other.

Referring to FIG. 4 and FIG. 5, in a specific embodiment of the combining unit, the base 21 of the first fan 20 has two sides, and each side of the base 21 is provided with at least one cleat 211, wherein Each of the fastening pieces 211 located at one side portion can be positioned corresponding to each of the fastening pieces 211 of the other side portion; the base 31 of the second fan 30 has two side portions, each side portion is provided At least one buttonhole 311, wherein each of the buttonholes 311 located at one side portion can be positioned at a corresponding position with each of the buttonholes 311 of the other side portion. When the base 21 of the first fan 20 and the base 31 of the second fan 30 abut each other, each of the fastening pieces 211 and the fastening holes 311 are coupled to each other, and a specific embodiment of the fastening structure is The buckle 211 has a buckle, and the buckle hole 311 is a long plate body that can receive the buckle and fasten the buckle of the buckle 211 to the base 31. Another embodiment of the fastening structure is that The clasp having the clasp is disposed on the base 31, and the buckle hole is disposed on the base 21. The same can be achieved by fixing the base 21 and the base 31 to each other.

The base 21 of the first fan 20 has two ends, at least one coupling hole 212 is provided at each end, and the base 31 of the second fan 30 has two ends, and at least one combination is provided at each end. The hole 312, when the base 21 of the first fan 20 and the base 31 of the second fan 30 abut each other, the coupling holes 212 of the two ends of the base 21 of the first fan 20 are Each of the coupling holes 312 provided at the two ends of the base 31 of the second fan 30 corresponds to each other; the specific embodiment shown in the figure is provided at each end of the base 21 of the first fan 20; In combination with the hole 212, each end of the base 31 of the second fan 30 is provided with two coupling holes 312.

The pedestal 21 of the first fan 20 and the pedestal 31 of the second fan 30 are coupled to each other and mounted on the cover 10. The fan group is correspondingly located in the air duct 12, and the first fan 20 is The two ends of the base 21 and the base 31 of the second fan 30 are respectively disposed in the notches 21 on opposite sides of the air duct 12, and at least two screws 314 are disposed, and the screws 314 can penetrate the base. The coupling hole 312 at the end of the seat 31 and the coupling hole 212 at the end of the base 21 are combined and fixed to the fixing seat 13 corresponding to the housing 10.

A ring piece 313 is protruded from the two ends of the base 31 of the second fan 30. When the fan unit is assembled in the cover body 10, the first fan 20 and the second fan 30 are located in the air duct 12. The ring piece 313 is located at the corresponding notch 121, and the notch 121 is closed to form a first-class track.

The heat sink 40 includes a plurality of fin sets 41, a plurality of heat pipes 42 and a plurality of fixed fins 43. The fin set 141 is composed of a plurality of parallel fins, and each of the heat pipes 42 is coupled to each of the fin sets 41. Each of the fixing pieces 43 is mounted on each of the fin sets 41. The fixing pieces 43 and the binding posts 14 corresponding to the housing 10 are coupled to each other.

10‧‧‧ cover
11‧‧‧ openings
12‧‧‧ duct
121‧‧‧ gap
13‧‧‧ Fixed seat
14‧‧‧ binding column
20‧‧‧First fan
21‧‧‧Base
211‧‧‧"
212‧‧‧bond hole
22‧‧‧ fan leaves
23‧‧‧ drive unit
30‧‧‧second fan
31‧‧‧ Pedestal
311‧‧‧Bucks
312‧‧‧Combination hole
313‧‧‧ Rings
314‧‧‧ screws
32‧‧‧ fan leaves
33‧‧‧ drive unit
40‧‧‧heatsink
41‧‧‧Fin group
42‧‧‧heat pipe
43‧‧‧Fixed tablets

Figure 1 is a perspective view of the creation of the present invention. Figure 2 is a bottom perspective view of the creation of the present invention. Figure 3 is a perspective exploded view of the creation. FIG. 4 is an exploded perspective view of the creation fan group. Figure 5 is a schematic cross-sectional view of the creation.

10‧‧‧ cover

12‧‧‧ duct

121‧‧‧ gap

13‧‧‧ Fixed seat

14‧‧‧ binding column

20‧‧‧First fan

21‧‧‧Base

30‧‧‧second fan

31‧‧‧ Pedestal

313‧‧‧ Rings

Claims (9)

A heat dissipating device having a stacking fan, comprising a cover body, at least one fan set and a heat sink, each fan set being mounted on a bottom of the cover body; the cover body being a hollow casing on the casing The fan unit includes a first fan and a second fan, wherein the first fan includes a base, a blade and a driving unit, and the base is provided with the driving unit, the driving unit Connecting to the fan blade; the second fan includes a base, a blade and a driving unit, the base is provided with the driving unit, the driving unit is connected to the blade; the base of the first fan and the A detachable coupling unit is disposed between the bases of the second fan, and the two bases are coupled to each other by the coupling unit, and the base of the first fan and the base of the second fan are coupled with the bottom of the cover. Fixedly, each fan group is located at each of the openings opposite to the cover body; and the heat sink is fixedly coupled to the cover body. The heat dissipating device with a stacked fan according to claim 1, wherein a bottom of the cover body and corresponding to each opening respectively form a duct, the inside of the duct and the corresponding opening are connected to each other, the fan group Inside the duct. The heat dissipating device with a stacked fan according to claim 2, wherein the air duct is formed with a plurality of notches away from the other end having the opening, and the base of the first fan is coupled with the base of the second fan. They are located in the gap of the duct. The heat dissipating device with a stacked fan according to claim 3, wherein the base of the second fan protrudes from a corresponding position of the notch to form a ring piece, and the ring piece is located at a corresponding notch. The heat dissipating device with a stacked fan according to any one of claims 1 to 4, wherein the bottom of the cover body is provided with a plurality of fixing seats, each of the fixing seats is outside the air duct, and the position of the notch corresponds to the fixing The base of the first fan has two side portions and two end portions, and the base of the second fan has two side portions and two end portions, and the side portion is coupled between the two end portions Both ends of the base of one fan and both ends of the base of the second fan are positioned in the notch. The heat dissipating device with a stacked fan according to claim 5, wherein the coupling unit is a base disposed on the base of the first fan and the second fan, and each side of the base of the first fan At least one buckle is disposed, and each side of the base of the second fan is provided with at least one fastening hole, and each of the fastening pieces and each of the fastening holes can be coupled to each other. The heat dissipating device with a stacked fan according to claim 5, wherein the coupling unit is a base disposed on the base of the first fan and the second fan, and each side of the base of the first fan Each of the sides of the base of the second fan is provided with at least one buckle, and each of the buckles and each of the fastening holes can be coupled to each other. The heat dissipating device with a stacking fan according to claim 6, wherein each of the cleats located on one side of the base of the first fan can be positioned corresponding to each of the cleats of the other side. Each of the clasps located on one side of the base of the second fan may be positioned corresponding to each of the cleats of the other side. The heat dissipation device with a stacked fan according to claim 8, wherein each end of the base of the first fan is provided with at least one coupling hole, and each end of the base of the second fan is provided with at least one The coupling hole is further provided with at least two screws, each of which can penetrate the coupling hole of the base end of the second fan and the coupling hole of the end of the first fan base, and then the fixing seat corresponding to the housing Combined with fixation.